10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________

FORM 10-K

_________________________

x	Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
	For the fiscal year ended December 31, 2018
	OR
¨	Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from  to

Commission File Number 001-36911

_________________________

ETSY, INC.

(Exact name of registrant as specified in its charter)

_________________________

Delaware	20-4898921
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
117 Adams Street, Brooklyn, NY	11201
(Address of principal executive offices)	(Zip code)

(718) 880-3660

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange on which registered
Common Stock, par value $0.001 per share	The Nasdaq Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes  x    No  ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes  ¨    No  x

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes x No  ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  x    No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.   x

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer x	Accelerated filer ¨
Non-accelerated filer ¨	Smaller reporting company ¨
	Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant as of June 30, 2018 (the last business day of the registrant’s most recently completed second fiscal quarter), was approximately $4,991,820,388.

The number of shares of common stock outstanding as of February 21, 2019 was 119,566,393.

Documents Incorporated By Reference

Portions of the registrant’s Proxy Statement for its 2019 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission no later than 120 days after December 31, 2018, are incorporated by reference in Part III of this Annual Report on Form 10-K.

Etsy, Inc.

Table of Contents

		Page
	Note Regarding Forward-Looking Statements
	Part I	1
Item 1.	Business	1
Item 1A.	Risk Factors	25
Item 1B.	Unresolved Staff Comments	47
Item 2.	Properties	47
Item 3.	Legal Proceedings	47
Item 4.	Mine Safety Disclosures	47
	Part II	48
Item 5.	Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	48
Item 6.	Selected Consolidated Financial and Other Data	50
Item 7.	Management's Discussion and Analysis of Financial Condition and Results of Operations	53
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	89
Item 8.	Financial Statements and Supplementary Data	90
	Report of Independent Registered Public Accounting Firm	91
	Consolidated Balance Sheets as of December 31, 2018 and 2017	93
	Consolidated Statements of Operations for the years ended December 31, 2018, 2017, and 2016	94
	Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2018, 2017, and 2016	95
	Consolidated Statement of Changes in Stockholders' Equity for the years ended December 31, 2018, 2017, and 2016	96
	Consolidated Statements of Cash Flows for the years ended December 31, 2018, 2017, and 2016	97
	Notes to Consolidated Financial Statements	99
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	134
Item 9A.	Controls and Procedures	134
Item 9B.	Other Information	134
	Part III	135
Item 10.	Directors, Executive Officers and Corporate Governance	135
Item 11.	Executive Compensation	135
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	135
Item 13.	Certain Relationships and Related Transactions, and Director Independence	135
Item 14.	Principal Accounting Fees and Services	135
	Part IV	136
Item 15.	Exhibits, Financial Statement Schedules	136
	Exhibit Index	136
Item 16.	Form 10-K Summary	137
	Signatures	138

Unless the context otherwise requires, we use the terms “Etsy,” the “Company,” “we,” “us” and “our” in this Annual Report on Form 10-K, (“Annual Report”), to refer to Etsy, Inc. and, where appropriate, our consolidated subsidiaries.

See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Operating and Financial Metrics” for the definitions of the following terms used in this Annual Report: “active buyer,” “active seller,” “Adjusted EBITDA,” “GMS,” “international GMS,” and “mobile GMS.”

NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Annual Report on Form 10-K contains forward-looking statements within the meaning of the federal securities laws. Forward-looking statements include information relating to our anticipated international growth, the timing of product launches and our cloud migration, the impact of our strategy, marketing and product investments, and cloud migration on future GMS and revenue growth, our economic, social and ecological impact strategy, goals and future plans, expected conversion and visit growth, the impact of mobile web on conversion rates, efforts to optimize the buyer experience, search and discovery effectiveness and overall marketplace optimization, and our anticipated expenses and their impact on our future financial performance. Forward-looking statements include all statements that are not historical facts. In some cases, forward-looking statements can be identified by terms such as “anticipates,” “believes,” “could,” “estimates,” “expects,” “intends,” “may,” “plans,” “potential,” “predicts,” “projects,” “seeks,” “should,” “will,” “would,” or similar expressions and the negatives of those terms.

Forward-looking statements are not guarantees of performance and involve known and unknown risks, uncertainties, and other factors that may cause our actual results, performance, or achievements to be materially different from any future results, performance, or achievements expressed or implied by the forward-looking statements. Those risks include those described in the section titled “Risk Factors” and elsewhere in this Annual Report. Given these uncertainties, you should read this Annual Report in its entirety and not place undue reliance on any forward-looking statements in this Annual Report.

In addition, statements that “we believe” and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date of this Annual Report and, although we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information. These statements are inherently uncertain and investors are cautioned not to unduly rely upon these statements.

Moreover, we operate in a competitive and rapidly changing environment. New risks and uncertainties emerge from time to time and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward-looking statements made in this Annual Report. In light of these risks, uncertainties, and assumptions, the future events and trends discussed in this Annual Report may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements.

Forward-looking statements represent our beliefs and assumptions only as of the date of this Annual Report. We disclaim any obligation to update forward-looking statements.

PART I.

Item 1. Business.

Overview

Etsy is the global two-sided marketplace for unique and creative goods. Our mission is to “Keep Commerce Human,” and we’re committed to using the power of business and technology to strengthen communities and empower people around the world. We connect creative entrepreneurs with thoughtful consumers looking for items that are intended to be special, reflect their sense of style, or represent a meaningful occasion. Etsy was founded in June 2005 in Brooklyn, New York.

Our sellers are the heart and soul of Etsy, and our technology platform allows our sellers to turn their creative passions into economic opportunity. We have a seller-aligned business model: we make money when our sellers make money. We offer our sellers a marketplace with millions of buyers along with a range of seller tools and services that are specifically designed to help our creative entrepreneurs generate more sales and scale their businesses.

We are focused on attracting potential buyers to the Etsy marketplace for “special” purchase occasions throughout the year and deepening engagement with our existing buyers by inspiring purchases across multiple categories and special occasions. These special purchase occasions can occur many times throughout the year and include shopping that reflects an individual's unique style; gifting that demonstrates thought and care; and celebrations that express creativity and fun. Buyers tell us that they come to Etsy because Etsy sellers offer items that they can’t find anywhere else. In fact, in a 2018 survey of Etsy buyers, 78% of buyers agreed that Etsy has items that you can’t find anywhere else.

Special purchase occasions happen throughout the year when a buyer is decorating a home, dressing for an event, celebrating a special moment, or buying a gift for someone special.

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As of December 31, 2018, our marketplace connected 2.1 million active Etsy sellers to 39.4 million active Etsy buyers. Etsy buyers and sellers are located all over the world, and our six core geographic markets are the United States, United Kingdom, Canada, Australia, Germany, and France. We will continue to invest in these markets, as this is where we have our strongest concentration of both buyers and sellers, and continue to evaluate geographies in which to make strategic investments. There are currently more than 60 million items for sale across dozens of retail categories on Etsy.com. In 2018, our marketplace generated $3.9 billion of Gross Merchandise Sales, (“GMS”), of which approximately 55% came from purchases made on mobile devices. In 2018, our top six retail categories were: homewares and home furnishings, jewelry and personal accessories, apparel, craft supplies, paper and party supplies, and beauty and personal care. We are a global company and 35% of our 2018 GMS was generated when the Etsy seller or Etsy buyer, or both, were located outside of the United States.

Our revenue is diversified, generated from a mix of marketplace activities and other optional services we provide to Etsy sellers to help them generate more sales and scale their businesses.

Marketplace revenue is comprised of the fees an Etsy seller pays us for marketplace activities. Marketplace activities include listing an item for sale, completing transactions between a buyer and a seller, and using Etsy Payments to process payments, including foreign currency payments. Fees include the 5% transaction fee that an Etsy seller pays for each completed transaction, inclusive of shipping fees charged, the $0.20 listing fee she pays for each item she lists (for up to four months) on Etsy.com, and fees for Etsy Payments, our payment processing product. On July 16, 2018, we increased our seller transaction fee from 3.5% to 5%, and now apply it to the cost of shipping in addition to the cost of the item. The revised fee structure is intended to support increased investments in the growth and health of the marketplace. Revenue from Etsy Payments, included in Services revenue prior to 2018, is now included in Marketplace revenue because Etsy Payments is required to be used by Etsy sellers in the countries where it is available.

Services revenue, formerly called Seller Services revenue, is comprised of the fees an Etsy seller pays us for our optional services (“Services”). Services include Promoted Listings, our on-site advertising service that allows sellers to pay for prominent placement of their listings in search results; Etsy Shipping Labels, which allows sellers in the United States, Canada, United Kingdom, and Australia to purchase discounted shipping labels; Pattern, a service that allows sellers to build custom websites; and Etsy Plus, a subscription offering that provides sellers with enhanced tools and credits for use on our platform.

We also generate additional revenue through our commercial partnerships, which is classified as other revenue.

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Our Opportunity

We believe that the nature of commerce is continuing to evolve: more people are choosing to purchase goods online and many consumers are looking for unique items as an alternative to mass produced goods. According to estimates by Euromonitor, a market research company, worldwide retail ecommerce will generate double-digit growth each year through 2022, and worldwide retail ecommerce sales will reach $3 trillion by the end of 2022. (Source: Euromonitor — Worldwide Internet Retailing.) We estimate that, in 2018, the online market size across all relevant retail categories within our six core geographic markets; United States, United Kingdom, Canada, Australia, Germany, and France, represents a $249 billion market opportunity, and a $1.7 trillion market opportunity when offline is included.

Our Platform

Etsy leverages technology to connect people around the world through commerce. Our platform includes our marketplace, our seller tools and services, our passionate and engaged sellers and buyers, and our technology. Our commitment to transparency and integrity underpins our platform and establishes trust within our marketplace and our community.

Key Components of Our Platform

Our Marketplace

Our marketplace, Etsy.com, is where thoughtful buyers come to discover a broad selection of unique goods that are hard to find elsewhere. In a world of increasing automation and commoditization, Etsy celebrates creativity and human interaction.

We believe our marketplace is characterized by several unique qualities, including:

• Unique Products: Our marketplace boasts a large assortment of handmade, customized, personalized, vintage, and craft supply products from all of the world. There are currently more than 60 million items listed on our marketplace. We intend to continue to improve the customer experience by investing in our search and discovery capabilities to help buyers efficiently find the special items they are looking for and deliver a brand promise around shipping to align with our buyers’ expectations of when they can expect to receive our unique items.

• Global Reach: Etsy’s six core geographic markets are the United States, United Kingdom, Canada, Australia, Germany, and France, and there are people using our platform to buy and sell in nearly every country around the world. Our platform makes it easy for Etsy buyers and Etsy sellers to interact across borders even if they do not speak the same language and wish to transact in different currencies. We use innovative machine translation technology to translate listings, reviews, Promoted Listings, and conversations between Etsy buyers and Etsy sellers. Our payments platform allows Etsy sellers to offer Etsy buyers a wide range of payment options. In 2018, 37% of Etsy sellers were located outside the United States, and 35% of our GMS was generated between an Etsy seller, Etsy buyer, or both, located outside of the United States.

• Organic Traffic Base: We’ve built a loyal, global base of buyers on the platform without significant investment in acquisition marketing until 2013, eight years after being founded. Unlike many other ecommerce companies, the vast majority of visits to Etsy.com came through organic channels. In fact, approximately, 85% of visits in 2018 were from organic sources, including a large portion from buyers visiting Etsy.com directly as well as from non-paid channels such as search, social, email, and push notifications.

• Connection Between Buyers and Sellers: We believe that human connection is central to buyer engagement. On Etsy, we emphasize that the items listed for sale are brought to life by real people. Additionally, buyers are able to connect directly with sellers in order to ask questions and personalize or customize items to their specifications. We also encourage buyers

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and sellers to connect in a variety of other ways, such as through sharing reviews on social media or connecting off-line through the Etsy Local feature on our mobile app. We believe that meaningful interactions with Etsy sellers differentiates us from other e-commerce platforms, drives buyer engagement, and keeps our buyers coming back.

• Connected Experience Across all Devices: We want to engage Etsy buyers wherever they are and to provide an enjoyable and accessible shopping experience no matter how they come to Etsy. Our mobile website and our “Buy on Etsy” mobile app for Etsy buyers include search and discovery, curation, personalization and social shopping features. Our Etsy.com iOS and Android mobile apps have been downloaded approximately 56 million times as of December 31, 2018. We offer a connected experience through each channel, desktop, mobile web, and mobile app, to help ensure that no matter what device our buyers use they will have the best possible experience. For the year ended December 31, 2018 approximately 55% of our GMS was generated on a mobile device. This is an increase compared with 2017, during which 51% of our GMS was generated on a mobile device. We are focused on increasing conversion rates in general; however, we are particularly focused on mobile web, which continued to be the largest driver of both overall visits growth and mobile GMS growth. Mobile web conversion rate is about half the conversion rate on desktop and the conversion rate on our mobile Buy on Etsy app is about 1.2x the desktop conversion rate. Therefore, if mobile web visits continue to grow as a percentage of overall visits, it could be a headwind to future conversion rate gains.

• Buyer Intent; People Come to Etsy to Browse and be Inspired: Our platform is designed to provide a personalized search experience to Etsy buyers, adjusting in real time based on transaction data and previous browsing history. A large portion of our buyers come to Etsy not in search of a specific item, but to browse and be inspired. We are continuing to build more sophisticated algorithms that allow us to deliver more personalized results to our buyers, utilizing browse and transaction data to surface items they didn’t know they wanted. In 2018, we launched a number of products to enhance search, including adding recommendations to item landing pages and incorporating more attributes to our search algorithm to improve search ranking. All of this helps bring fun to the discovery and shopping experience. We believe we have significant opportunities to further enhance our search and discovery capabilities and plan to leverage our machine learning technology to deliver an even more personalized shopping experience. In addition, our full migration to Google Cloud by the beginning of 2020 is expected to further improve our search and discovery effectiveness.

Etsy sellers are required to pay a fixed listing fee of $0.20 for each item listed on Etsy.com for a period of four months or, if earlier, until a sale occurs. Once a sale is consummated, sellers pay variable transaction fees and Etsy Payments fees. On July 16, 2018, we increased our seller transaction fee from 3.5% to 5%, and now apply it to the cost of shipping in addition to the cost of the item. Etsy Payments processing fees vary between 3% to 4.5% of an item’s total sale price, including shipping, plus a flat fee per order, depending on the country in which a seller’s bank account is located. When a foreign currency payment is processed, an additional 2.5% to 5% fee is applied. As of December 31, 2018, Etsy Payments was available in 36 countries and 12 currencies and nearly all sellers in countries where Etsy Payments is available are required to use the service. In fact, 86% of total GMS was processed through Etsy Payments in 2018, up from 85% in 2017. Our ability to expand Etsy Payments into additional countries is dependent upon the third-party providers we use to support this service.

Our Seller Tools and Services

Seller tools and services help Etsy sellers generate more sales and scale their businesses. In addition to driving incremental revenue streams to Etsy, these offerings play a key role in supporting sellers’ businesses and driving sales. Our optional paid services are (in order of 2018 revenue contribution): Promoted Listings, Etsy Shipping Labels, Pattern, and subscription packages. Services revenue grew42.1%, and represented 26.3% of our total revenue, up from 25.4% in 2017.

• Promoted Listings: Promoted Listings enable Etsy sellers to pay a cost-per-click based fee to feature and promote their goods in our marketplace in search results generated by Etsy buyers. This service allows Etsy sellers to target Etsy buyers who are specifically searching for goods similar to those she offers for sale. During 2018, 15.1% of active sellers used Promoted Listings up from 15.0% in 2017. In 2018, we enhanced Promoted Listings by expanding inventory across all devices and adding context specific search ranking to improve ad relevance and higher click-through rates, which both led to accelerated year-over-year revenue growth for this service. We optimized our sellers’ budgets and generated a positive return on their spend in 2018. We aim for sellers to be ROI positive and often utilize less than their allocated budget.

• Etsy Shipping Labels: This service allows sellers in the United States, Canada, United Kingdom, and Australia to purchase discounted United States Postal Service, FedEx, Canada Post, Royal Mail, and DAI Post shipping labels through our platform. The ability to print the shipping labels at home reduces the cost and time it takes Etsy sellers to ship items to Etsy buyers, reduces the chance for administrative error through features such as auto population of shipping addresses, and automatically provides tracking information when available and shipping notifications to buyers. During 2018, 24.7% of active sellers in regions where Etsy Shipping Labels is offered used this product, down from 28.1% in 2017. The reduction in percentage of active sellers using Etsy Shipping Labels was driven by the expansion of the service in the United

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Kingdom and Australia in late 2018 where adoption could take some time to develop. Despite this, year-over-year revenue growth for this service accelerated compared to 2017 driven by GMS growth.

• Pattern: With Pattern, Etsy sellers can create their own custom websites with unique domain names within minutes. Pattern imports listings and content from Etsy shops, syncs inventory and orders, and utilizes our Etsy Payments and Etsy Shipping Label services. In 2018, we began allowing sellers to sell items or services on their Pattern website that don’t follow the handmade and vintage guidelines within our Etsy.com marketplace. Sellers may use Pattern for free for the first 30 days, then they are charged $15 per month, plus payment processing fees and Etsy Shipping Label fees, if they choose to use this service.

• Subscription Packages: Our subscription packages were launched in July 2018 as a way for us to bundle and simplify our offerings for sellers. The Etsy Plus subscription package, which allows sellers to pay for enhanced tools and credits to use on the Etsy.com platform, is $10 per month and features enhanced tools such as advanced shop customization options, targeted restock notifications, discounts on branded packaging and promotional materials, and free or discounted custom web addresses. Additionally, Etsy Plus includes $5 of Promoted Listing credits and 15 free listing credits per month.

We believe we can grow our optional paid services in three ways: expand the utility of existing services, expand the geographic reach of existing services, and launch new services offerings. In addition to our paid services, we provide a wide range of tools and educational resources to give Etsy sellers the support they need to manage the administrative side of their businesses. According to our bi-annual seller survey, most recently conducted in 2018, for every hour that an Etsy seller spends making her products, she spends almost another hour doing business-related tasks, including inventory management, marketing, shipping, customer service, and accounting. Our tools and educational resources help manage these administrative burdens.

• Seller Tools: We offer a variety of free tools to Etsy sellers, including marketing tools such as our Google Shopping tool. Google Shopping gives our sellers a complementary way to target buyers outside of the Etsy marketplace at key moments when they are searching for items on Google. Sellers set a daily budget and a target country or a number of geographies through their Shop Manager dashboard and we optimize their budget and target a return on their spend. Our Shop Manager dashboard, which we launched in 2017, serves as a centralized hub for Etsy sellers to track orders, manage inventory, view metrics and statistics, and have conversations with their customers across all of their Etsy shops. In 2018, we added a single, easy-to-use interface that streamlines sellers’ bills and payments accounts. Other marketing tools include Targeted Offers, our sales and promotions tool, and our social media tool, which help sellers with their marketing needs and allows them to stand out on and off the Etsy platform. Also, through a partnership with Intuit, sellers in the United States and the United Kingdom can simplify their accounting and bookkeeping.

• Education: We provide extensive educational resources to teach Etsy sellers how to start, manage, and scale their businesses on our platform, including blog posts, video tutorials, the Etsy Seller Handbook (available on Etsy.com), Etsy.com online forums, and insights from Etsy.com support teams. In addition to our resources, Etsy sellers connect through self-organized Etsy Teams to build personal relationships with other Etsy sellers, collaborate, educate, and support each other as they build their independent creative businesses. Currently, over 16,000 Etsy Teams have formed around the world.

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Etsy’s focus on supporting our sellers in starting, managing, and scaling their businesses strengthens our marketplace and positions it for continued growth. When our sellers succeed, Etsy succeeds.

How an Etsy Seller Spends Her Time 2018 seller survey

Key 2018 Investments

Marketing: In July 2018, we revised our fee structure which enabled us to invest more in marketing while maintaining our return on investment. We increased digital marketing spend by 58.5% in 2018 to $112.2 million, and continued to optimize our marketing attribution model. We experimented with offline marketing and television advertising tests in the second half of 2018, and conducted pre- and post-brand awareness research to supplement our quantitative data.

Google Cloud: We made progress and are on track with our migration to Google Cloud, which we expect to complete by the beginning of 2020. Among other anticipated benefits discussed below, we believe the migration will enhance our overall infrastructure by providing faster processing speed, improved page load time and more nimble server capacity on an as needed basis.

Search: We continued investing in our machine learning capabilities in order to help buyers find the right selection of products, from the over 60 million items available in our marketplace. In 2018, we improved search relevance and began localizing search results by using context specific ranking.

Customer Support: Our partnership with Zendesk supported improvements to our customer experience and lower costs. We introduced live chat for our sellers, and dedicated 24x7 phone support for both buyers and sellers.

Shipping: We made progress evolving our search algorithms in order to more prominently promote items that have competitively priced shipping, introduced shipping price notifications for sellers, and launched the ability for sellers to display an expected delivery date. Also, in 2018, we expanded our Etsy Shipping Labels offering to sellers in the United Kingdom and Australia.

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Our Passionate and Engaged Sellers and Buyers

Etsy Sellers

Our sellers are the backbone of Etsy’s business and what matters most to them is our community of over 39 million buyers. In order to continue to support our sellers’ growth, we are focused on making Etsy the best place to start and run a creative business. We serve those creative entrepreneurs around the world who choose to pursue their passions, offering them a global base of millions of buyers and a cohesive suite of tools and services to help them run their business and drive sales. Etsy sellers range from hobbyists to professional merchants, and have a broad range of personal and professional goals. Our 2018 seller survey found that 60% of Etsy sellers are multi-channel sellers and on average Etsy is their primary source of sales.

According to the 2018 seller survey:

• 87% identify as women;

• 75% consider their Etsy shop to be a business;

• 97% run their shops from their homes;

• 82% aspire to grow their sales in the future; and

• 64% started their Etsy shop as a way to supplement income.

Our 2018 seller survey found that 32% of Etsy sellers were pursuing their creative business as their sole occupation. In addition to our 2018 seller survey, we conducted a separate survey of our top decile sellers in 2017. Key findings included that 95% of our top decile sellers intended to remain with Etsy for the next 12 months.

Etsy Sellers

Etsy Buyers

Etsy supports a community of over 39 million buyers, who value self expression, unique items, and buying directly from creative entrepreneurs. In a 2018 survey of Etsy.com buyers, 78% of buyers agreed that Etsy offers products they cannot find anywhere else. Etsy buyers can enjoy a personalized shopping experience and build relationships through direct interactions with Etsy sellers. Etsy buyers can also purchase customized items and craft supplies from Etsy sellers. By shopping on Etsy.com, Etsy buyers are supporting creative entrepreneurs in their local communities and around the world.

We are focused on driving more new buyers to the platform and encouraging existing buyers to purchase more often. New buyers are considered unique buyers that have never made a purchase on Etsy. During 2018, we had 17.5 million new buyers, which represented approximately 18% of overall GMS. GMS from new buyers was up16% year-over-year. GMS from existing buyers grew23% year-over-year in 2018 and represented approximately 82% of overall GMS, an increase compared to last year.

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Repeat buyers represent shoppers who have ever bought on Etsy, regardless of when their first purchase day occurred. We believe repeat purchases demonstrate the loyalty of Etsy buyers. In 2018, approximately 40.1% of our active buyers made purchases on two or more days in the previous 12 months, a slight increase compared to last year. Within that category, we are particularly focused on increasing our number of habitual buyers, or buyers who have spent $200 or more and made purchases on six or more days in the previous 12 months. As of December 31, 2018, habitual buyers grew to 2.0 million, an increase of 21.7% compared to 2017. This is faster than overall active buyer growth, indicating our efforts to convert buyers into more loyal shoppers on the platform are seeing signs of success.

Active Buyers by Purchase Type

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Unlike many other ecommerce companies, the vast majority of visits come to Etsy from organic channels. In 2018, 85% of visits came to Etsy.com from an organic source, including a large portion from buyers visiting Etsy.com directly as well as from non-paid channels such as search, social, email, and push notifications. Paid visits are attributed to visits generated from our marketing efforts. Over the last five years, paid visits have increased as a percentage of total visits as a result of our increased investment in marketing. A visit represents activity from a unique browser or mobile app. A visit ends after 30 minutes of inactivity.

Visits Contribution by Source Type

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Etsy Seller & Buyer Retention

Our active sellers and active buyers typically remain so for multiple years. For example, 33.1% of active sellers and 37.5% of active buyers as of December 31, 2015 continued to be active sellers and active buyers through their fourth year on the platform and 31.8% of active sellers and 38.7% of active buyers as of December 31, 2014 continued to be active sellers and active buyers through their fourth year on the platform. In addition, as of December 31, 2018, 19.6% of active sellers have been selling on Etsy for more than four years. Likewise, as of December 31, 2018, 24.5% of active buyers have been Etsy buyers for more than four years.

AVG GMS	2011	$817	$2,241	$3,314	$4,299	AVG GMS	2011	$103	$177	$186	$195
PER SELLER	2012	$1,079	$2,598	$3,935	$4,557	PER BUYER	2012	$96	$163	$173	$181
	2013	$1,260	$3,110	$4,190	$4,620		2013	$96	$161	$168	$174
	2014	$1,465	$3,325	$4,228	$4,615		2014	$99	$157	$164	$169
	2015	$1,558	$3,296	$4,062	$4,939		2015	$101	$158	$163	$180

Cohorts of 2015, 2014, 2013, 2012, and 2011 Active Sellers and Active Buyers

See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Factors Affecting Our Performance—Growth and Retention of Active Buyers and Active Sellers” for more information.

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Our Technology 

Our widely respected engineering team has built a sophisticated platform that enables millions of Etsy sellers and Etsy buyers to smoothly transact across borders, languages, and devices. We collect and analyze large volumes of data to enhance the performance of our platform. For example, on average, we capture roughly one billion user-generated events every day to produce personalized recommendations, improve our search experience and test features on our website.

Our use of machine learning algorithms creates an engaging shopping experience and also helps Etsy sellers and Etsy buyers connect across our platform. We apply proprietary machine learning to the search and discovery processes, enabling shoppers to more easily browse, filter, and buy that perfect item, even when they may not have something specific in mind.

Machine translation and machine learning also play an important role in making it easy for Etsy sellers and Etsy buyers to connect even if they don’t speak the same language. We translate listings within our Etsy.com market into 10 languages which we believe significantly increases the inventory available to non-English speaking Etsy buyers and gives Etsy sellers access to a truly global audience.

Our technology infrastructure allows us to scale our efforts across the platform. In late 2017, we announced our migration to Google Cloud, which we believe will enable us to focus on growing our core Etsy.com marketplace, prioritize the buyer and seller experience, improve our search and discovery effectiveness, and increase the pace of launching new features. We expect the migration will result in increased engineering efficiency shifting the focus from maintaining on-premise systems to product engineering work that is more strategic. We also believe the migration will enhance our overall infrastructure by providing faster processing speed, improved page load time, and more nimble fulfillment to capacity on an as needed basis. In the third quarter of 2018, we achieved a significant milestone by successfully migrating our website and mobile apps to Google Cloud. We expect to complete the migration by the beginning of 2020.

Commitment to Integrity and Transparency

Members of our community rely on us to maintain a trusted marketplace. Our policies are designed to encourage transparency and clearly outline the rights and responsibilities of Etsy sellers and Etsy buyers participating on our platform. Most fundamentally, we require that goods listed in our marketplace be handmade or unique and assembled with production partners, vintage, or craft supplies.

Transparency within our community helps to support our trustworthiness. For example, we publish an annual report that details progress toward our ideals and shares our hopes for the years to come. We also annually report statistics regarding shops that do not meet our guidelines or which list items that are alleged to infringe third party rights. In 2018, we closed 3,609 Etsy.com shops that were subject to repeat notices of intellectual property infringement and closed 109,473 Etsy.com accounts for non-IP policy violations.

Additionally, we are focused on enhancing customer service for Etsy sellers and Etsy buyers, which we believe bolsters the trustworthiness of our marketplace. In 2018, we migrated our legacy support platform to a new third-party customer service platform, Zendesk, to improve our customer experience. This migration enabled us to introduce live chat for our sellers, and dedicated 24x7 phone support for both buyers and sellers.

We strive to give the Etsy buyer comfort that she is purchasing goods from a shop that adheres to certain principles. Etsy buyers have a high degree of insight into Etsy sellers’ business practices. Our policies ask Etsy sellers to be transparent about themselves, their businesses and the goods they sell. We also have dedicated teams and sophisticated tools to help enforce our policies. For example, our Integrity team uses a combination of machine learning, automated systems, and community-generated flags to review items and shops that may violate our policies. Our Trust and Safety team helps to prevent and detect fraud through human review and automated tools and algorithms. We also recognize that sometimes transactions don’t go as planned. When that happens, our online Case System provides a way for Etsy sellers and Etsy buyers to communicate with each other to resolve disputes. In 2018, 0.3% of orders resulted in a case. We also establish trust by emphasizing the person behind every transaction. We deepen connections between Etsy sellers and Etsy buyers through our direct communication tools, seller stories on our website and apps, and in-person events, highlighting personal relationships as a key part of the Etsy experience. For example, Etsy sellers are encouraged to share their stories to reach Etsy buyers on our platform and on social media. The trustworthiness of our marketplace and the connections among people in our community are cornerstones of our business.

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Our Strategy

Since mid-2017, we have focused our strategy on growing the Etsy.com marketplace in our six core geographies and executing upon four key initiatives to make Etsy a better place to shop and sell. These initiatives involved making investments and improvements in search and discovery, trust and reliability, marketing capabilities, and seller tools and services. Successfully delivering on these initiatives has resulted in significant improvements to and growth of our marketplace.

In order to deliver sustainable long-term growth, we are building upon this strategy to incorporate additional elements that we believe, over time, will make Etsy a best-in-class marketplace. Our investments in product, marketing, and talent will be focused on capitalizing on what we believe are our core competitive advantages; or what we think of as our “Right to Win.”

The foundation of Etsy’s competitive advantage is our collection of unique items, which, we believe, when combined with best-in-class search and discovery, human connections, and a trusted brand, will enable us to continue to stand out among other ecommerce platforms and marketplaces. We will lean into the humanity and vibrancy of our market, increasing the connection between buyers and sellers, establishing strong trust signals for product quality and customer experience, removing barriers to purchase, and giving sellers more ways to generate sales and scale their businesses.

Ultimately, the goal of our long-term strategy is to drive more new buyers to the website, give existing buyers reasons to come back more often, encourage buyers to spend more per order, and fuel success for our sellers, which we believe will drive growth. Etsy has a significant number of habitual buyers (Etsy buyers that have purchased $200 or more on Etsy.com and have made purchases on six or more purchase days in the last 12 months) and we believe we have the ability to attract many more buyers like them to Etsy and convert them into habitual buyers. For example, we believe we can deepen engagement with our existing buyers by inspiring purchases in additional categories and on additional occasions. We also plan to continue supporting our sellers by focusing on enhancing the seller tools and services that will drive buyer demand. We believe that we are just getting started improving this virtuous cycle of growth.

Further expanding on these two primary components of our long-term strategy we will:

1. Focus on the Etsy marketplace in our six core geographies:

The first component and foundation of our growth strategy remains to focus on the Etsy marketplace in our six core geographies (the United States, United Kingdom, Canada, Australia, Germany, and France). These six locations are where we have our largest concentrations of buyers and sellers and, consequently, where we believe we have the most significant opportunities for growth. We are building local marketplaces globally, deepening local Etsy communities around the world, each with its own ecosystem of Etsy sellers and Etsy buyers. A barometer of our local market vibrancy is the performance of our international domestic trade route, by which we mean GMS generated between a non-U.S. buyer and a non-U.S. seller both in the same country. GMS from this trade route grew approximately 36% in 2018 compared with 2017, making it the fastest growing category of international GMS.

In 2018, we announced a referral agreement with DaWanda, a privately held marketplace for gifts and handmade goods based in Germany, encouraging its community of buyers and sellers to migrate to the Etsy platform. This agreement brought meaningful new breadth and depth of inventory to Etsy, helping to make Germany our second largest international market (after the United Kingdom) by domestic activity. While we focus on our six core markets, we will also continue to evaluate additional geographies in which to make strategic investments. For example, we have made initial investments to explore growth opportunities in India.

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We see significant opportunity to deliver a more localized shopping experience to non-U.S. buyers in the future, including investments in the elevation of local products and sellers in search, improving non-English search, and more local specific marketing and campaigns.

2. Build a sustainable competitive advantage:

As described above, the second component of our go-forward strategy is predicated around building a sustainable competitive advantage centered on these four key elements;

Our Collection of Unique Items: The foundation of Etsy’s competitive advantage is our collection of unique items. Our marketplace features over 60 million items listed across dozens of retail categories, and boasts a large assortment of unique, handmade, vintage, and craft supply products from all over the world. This unique inventory is the result of having created a community that attracts, supports, and retains some of the world’s most talented makers. In a 2018 survey of Etsy buyers, 78% agreed that Etsy has items that you can’t find anywhere else - that something “special in a sea of sameness.” We believe our marketplace is the only place where you can find the depth and breadth of one-of-a-kind items, including millions that can be customized and personalized. The breadth and depth of the special items listed in our marketplace is the linchpin of our long-term strategy. However, the unique nature of these items requires that we invest in the other three parts of our long-term strategy: search and discovery, human connections, and our trusted brand in order deliver a best-in-class marketplace experience.

Best-in-class search and discovery: We are focused on continuing to develop a search and discovery experience that unlocks the value of the unique items in our marketplace. With millions of items listed on Etsy.com that don’t map to a catalog or a stock keeping unit (“SKU”), our challenge is delivering world-class search and discovery technology that surfaces the right product to the right buyer at the right time in order to drive sales and buyer satisfaction. We are utilizing artificial intelligence and machine learning to help personalize the search experience and enable buyers to more easily browse, filter and find the item they desire.

In 2018, we significantly enhanced the search and discovery experience in our marketplace. We leveraged Context Specific Search Ranking (“CSR”) by adding even more attributes such as location and shipping prices into our ranking algorithm to deliver more relevant results. We also began to leverage user generated content, introduced a new discovery feed and discovery badges to inspire buyers to explore more products and expand their search beyond their original intent and optimized landing pages by adding more recommendations and notifications, including alerts on listing cards when scarce items appear in other people’s carts.

We will also work to ensure that buyers have more help discovering the perfect item for them. Since our marketplace is built on over two million individual but largely unknown brands, we see significant opportunity to improve how we signal high quality items and deliver a great customer experience to buyers. We believe that by personalizing the Etsy search and discovery experience we can deepen buyer engagement and drive greater visit and purchase frequency. We expect that our transition to cloud-based technology and additional future investments in machine learning and artificial intelligence, among other factors, will enable us to deliver a best-in-class search experience.

The power of human connections: Our mission to “Keep Commerce Human” is a vital part of our strategy.We will continue to emphasize the role that humans play in every aspect of our marketplace. What makes Etsy special isn’t just the items in our marketplace; it’s also the stories of how those items were brought to life by the hands of real people. Our buyer experience highlights the story behind each item, and also allows buyers to create their own stories by working with a seller to personalize or customize items to their exact specifications. In fact, data shows that when a buyer reaches out to a seller with a question they are significantly more likely to purchase a listing from that seller, and conversion rate goes up as response time gets shorter.

In 2018, we began to streamline the purchase flow for orders that are personalized or customized and made it easier for buyers to connect with sellers to design high quality items on the platform. We plan to invest more to make sure that buyers and sellers know that Etsy is the destination for personalized items, and it is our goal to make buying and selling such items intuitive and easy.

We believe that fostering and elevating the quality of these interactions will also enable us to drive buyer engagement, loyalty, and purchase frequency, and continue to differentiate Etsy from other ecommerce platforms. Shifting over time from our current item-first framework to one that highlights shops and sellers is a way to elevate the role of our makers and their creative processes. Our goal is to bring human connections to life through improvements in member support, seller forums

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management, our brand and marketing campaigns, and other ways that we promote our marketplace. Lastly, we plan to deepen loyalty by creating opportunities for buyers to experience Etsy across categories and occasions.

A brand you can trust: We will continue to focus on being a brand that inspires trust in our customers across the buyer journey -- when they search, purchase, anticipate and receive their special items, and all the steps in between. Since our sellers have relatively unknown brands and unbranded items, we aim to ensure that the Etsy brand is recognized and valued for providing an excellent end-to-end experience. There are two key elements to being a trusted brand: standing for something that customers understand and rely on, and delivering a purchasing experience that feels safe and supportive. Our goal is to bolster trust in the Etsy brand, Etsy sellers, the items available in our marketplace, and in the overall Etsy experience. In 2018, we improved buyer confidence with the launch of several new products, including a new iteration of guest checkout on mobile web, an alternative payment option common to German buyers, and an improved purchase path for items that are personalized or customized. We also made significant progress in customer support by partnering with Zendesk, a customer service software company. Our Zendesk partnership has enabled us to launch live chat and dedicated 24x7 phone support, which has improved the support experience for our buyers and sellers.

We plan to continue to optimize the core buyer shopping experience - to make it less fragmented and to remove friction. This will involve making sure that buyers can find what they want, can easily keep exploring for inspiration, and have the right information to make a purchase decision at every step along the way. We see significant room for additional improvements to our landing pages, our ability to surface recommendations so buyers do not hit dead ends, and to make sure we are surfacing relevant purchase information. By focusing on shipping enhancements and transparent delivery and returns we can help buyers better understand what to expect across Etsy.

In addition, we plan to evolve our marketing strategy and investments to reinforce our core brand promise in the hearts and minds of buyers. We believe that we can continue to grow our acquisition marketing efforts. We expect to add new marketing channels, optimize our spend in these channels and work with sellers to help them better understand the impact of marketing on their business (for example, with improved seller analytics tools), and to promote their shops to Etsy buyers.

Our Mission, Guiding Principles, and Team

Mission

Etsy’s mission to “Keep Commerce Human” is rooted in our belief that, although automation and commoditization are parts of modern life, human creativity cannot be automated and human connection cannot be commoditized. This is what makes Etsy and our marketplace distinct from mass retailers. Our mission guides our daily decisions, sets the path for our long-term success and reinforces our commitment to make a positive social, economic, and environmental impact.

Guiding Principles

Our guiding principles define who we strive to be, inform our business decisions, and enable us to achieve our mission. Our guiding principles are:

We commit to our craft. Our work has the power to change lives. That’s why we strive to continuously learn and excel at what we do.

We minimize waste. Time, resources, and energy are precious, so we focus only on what will have the greatest impact.

We embrace differences. Diverse teams are stronger, and inclusive cultures are more resilient. When we seek out different perspectives, we make better decisions and build better products.

We dig deeper. The best solutions to meaningful challenges are rarely easy or obvious. We stay curious, balance our intuition with insights, and decide with confidence.

We lead with optimism. We believe in our mission, and we believe in each other. We see the world as it is, set ambitious goals, and inspire one another with generosity of spirit. Together, we reimagine what’s possible.

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Our Team

We pride ourselves on our action-oriented, values-based, and purpose-driven work culture. Etsy’s employees work hard to bring innovative ideas and energy every day to strengthen the experience for sellers and buyers on Etsy.com. As of December 31, 2018, we had 874 employees worldwide, with 545 employees located in our headquarters in Brooklyn, New York. Of those employees, we had 318 in engineering, 121 in product, 162 in member operations, 112 in marketing, and 161 in facilities, IT, and other corporate teams.

We focus on maximizing our employees’ engagement, and their professional and personal well-being. In July 2018, Etsy conducted an engagement survey of all global employees and seventy percent of respondents reported favorable employee engagement. We believe employee engagement comes from fulfilling work focused on serving the needs of our sellers and buyers and from ample personal and professional growth opportunities. We use the results of our engagement survey guide the development of more dynamic programs that build knowledge and skills and build connectedness between employees.

We also offer our employees paid time off to volunteer so that they can support the causes and organizations they are passionate about. In 2016, we introduced a 26-week gender-blind parental leave policy that is available to all Etsy employees globally. Through this policy we aim to support and enable parents to play equal roles in building successful companies and nurturing their families.

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Our Impact Strategy and Progress

We believe that consumers are demanding more of the businesses they support and that the companies best positioned to succeed will build win-win solutions that are good for people, the planet, and profit. We are committed to growing sustainably by aligning our mission, guiding principles, and business strategy.

We have developed an impact strategy that reflects the positive economic, social, and environmental impact we want to have on the world while advancing and complementing our business strategy. Since announcing our impact strategy in 2017, we have updated some of our goals to be more specific, measurable, and time bound. We expect to continue to evolve our impact strategy in the future as our impact work matures. We are pleased to share our progress as we execute on this strategy, and we will continue to report our results transparently as it relates to our impact goals.

Economic Impact: Make creative entrepreneurship a path to economic security and personal empowerment
2018 GOALS	2018 PROGRESS	2019 GOALS
Ensure the economic opportunities Etsy creates meaningfully benefit a broad swath of our seller community	Commissioned Etsy’s first economic impact study with ECONorthwest, an independent economic consulting firm, to explore the ways Etsy sellers in the United States contribute to the national economic landscape. We found that in 2018, Etsy sellers: - Contributed $5.37 billion to the U.S. economy, more than double their direct business sales; - Created 1.52 million jobs in the independent worker economy, enough jobs to employ the entire city of San Antonio; - Generated more than $1.76 billion in income; and, - Produced $3 billion in additional economic value by harnessing their creativity and bringing unique products to market.	Double U.S. Etsy sellers’ economic output by 2023
Foster economic security and personal empowerment for creative entrepreneurs through charitable and in-kind contributions	Invested $280K in programs and initiatives that enable creative entrepreneurship, and support Etsy sellers on their paths to economic security and personal empowerment. — Collectively, Etsy employees donated over 2,700 hours of volunteer time in their communities through Etsy’s Volunteer Time Off program.	Invest in social programs that foster economic security and personal empowerment for our stakeholders
Advance public policies that increase economic security and reduce administrative burdens for creative entrepreneurs	Continued to prioritize seller issues, including tax burdens, financial security and championing micro-business more broadly in our key markets. — Focused on policy solutions that help to grow the creative economy, advocating for net neutrality and internet sales tax policy. Etsy sellers generated over 140,000 messages to policymakers on these issues.	Advance public policies that increase economic security and reduce administrative burdens for creative entrepreneurs

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Social Impact: Enable equitable access to the opportunities that we create
2018 GOALS	2018 PROGRESS	2019 GOALS
Meaningfully increase representation of underrepresented groups and ensure equity in Etsy’s workforce	Increased our targeted recruiting efforts, created hiring guidelines to ensure that all candidates are evaluated fairly and with objective criteria, and implemented a more formal company-wide performance management process to support consistent and fair evaluations. As a result, female engineers now make up 33.2% of our engineering workforce at Etsy, up 4% from the prior year. — Commissioned a pay equity study using a third party consulting firm which revealed no influence of age, race, or gender in Etsy’s pay practices. — Ramped up our targeted recruitment efforts by focusing on growing our employer brand awareness and maximizing our presence at industry conferences and events. — Focused on growing our strategic and data-driven recruiting efforts, launching employee mentorship and sponsorship programs, tracking our diversity & inclusion efforts through recruiting, hiring, survey, and exit interview data.	Approximately double the percentage of Black and Latinx employees in Etsy’s workforce by 2023
Build a diverse, equitable, and sustainable supply chain to support our operations and bring value to both Etsy and our vendors	Updated Etsy’s supplier code of conduct to highlight the importance of progressive social, environmental, and economic business practices. — Incorporated priority questions into our vendor compliance screening tool in order to develop a comprehensive baseline of our supply chain impact.	Build a diverse, equitable, and sustainable supply chain to support our operations and bring value to both Etsy and our vendors
Increase the presence of underrepresented populations within the Etsy seller community	Undertook research to understand and address barriers and activate opportunities for underrepresented populations within the Etsy seller community. — In 2019, we plan to continue investing in this stream of work, embedding our insights into our product, expanding to focus on both our buyers and our sellers, and building an inviting and inclusive user experience.	Make Etsy a more inclusive and welcoming marketplace for people from underrepresented backgrounds

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Ecological Impact: Build long-term resilience by eliminating our carbon impacts and fostering responsible resource use
2018 GOALS	2018 PROGRESS	2019 GOALS
Utilize and source energy responsibly so that we can power our operations with 100% renewable electricity by 2020 and reduce the intensity of our energy use by 25% by 2025	Procured 58% of our electricity from renewable sources, up from 30% in 2017. — Entered into a virtual power purchase agreement for solar energy to help us meet our goal of powering our operations with 100% renewable electricity by 2020. — Began transition to cloud computing to help reduce our energy consumption and selected Google Cloud Platform, a partner that shares our commitment to 100% renewable electricity. — In 2018, our colocated data centers accounted for 68% of total energy consumed, or 7,330 MWh. Due to data availability challenges, our current energy footprint is not inclusive of cloud computing, but does include our colocated data centers. In 2019, we will continue to explore how to accurately quantify our cloud energy footprint, and how to activate levers of change to drive further efficiencies in computing. — Achieved a 25% reduction in energy intensity (kWh per square foot) across our office operations based on a 2016 baseline, and an associated 15% reduction in carbon intensity across office operations (tCO2e per square foot).	Utilize and source energy responsibly so that we can power our operations with 100% renewable electricity by 2020 and reduce the intensity of our energy use by 25% by 2025
In 2018, develop a plan and set a goal to mitigate the carbon impacts of our marketplace that aligns with business growth	Developed a strategy to mitigate the carbon impacts of our marketplace which includes taking immediate action to balance our footprint: - In February 2019, we announced that we will offset 100% of our emissions from shipping through investment in verified emissions reductions, and, - We plan to activate levers of change that will help to drive carbon reduction in the long term, including policy advocacy, vendor negotiation and peer collaboration.	Mitigate the ecological impact of our marketplace by offering carbon neutral shipping on 100% of transactions by 2020
Run zero waste operations by 2020	Diverted 95% of waste from global operations from landfill or incineration, up from 87% in 2017.	Run zero waste operations by 2020

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Etsy’s mission to “Keep Commerce Human” means that we celebrate the uniqueness, authenticity, and richness of the human experience. Our diversity & inclusion efforts are integral to who we are as a company; namely, one that is in the business of servicing and celebrating the vibrant spectrum of unique and special qualities people possess.

We are committed to reporting transparently on workforce diversity at Etsy. All metrics below are as of December 31 of the stated year. Leadership is defined as Director level and above. Tech employees are defined as those employees who work on Product, Engineering, Analytics and HR Information and Financial Systems Administration teams. Other business roles are defined as those employees who work in roles outside of the Tech definition, and is inclusive of non-tech Leadership positions. Gender and age metrics represent Etsy’s global employee base, while race and ethnicity metrics represent U.S. employees only.

Board Overall Leadership Tech Engineering Other Business Roles

† Etsy commissioned an external third party to perform attest procedures with respect to our diversity metrics for the period from January 1, 2018 to December 31, 2018.

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RACE & ETHNICITY METRICS - U.S. ONLY
	Overall						Leadership						Tech						Engineering						Other Business Roles
	2016		2017		2018†		2016		2017		2018†		2016		2017		2018†		2016		2017		2018†		2016		2017		2018†
American Indian or Alaska Native	—	%	0.2	%	0.1	%	—	%	—	%	—	%	—	%	—	%	—	%	—	%	—	%	—	%	—	%	0.3	%	0.3	%
Asian	13.2	%	13.9	%	16.5	%	11.4	%	16.9	%	19.3	%	18.0	%	20.9	%	22.6	%	17.7	%	20.4	%	21.9	%	9.0	%	7.0	%	8.5	%
Black/African American	3.9	%	4.4	%	3.7	%	2.5	%	3.4	%	3.4	%	3.2	%	3.3	%	2.6	%	3.3	%	4.2	%	3.2	%	4.5	%	5.4	%	5.5	%
Hispanic	4.1	%	4.1	%	4.8	%	1.3	%	1.7	%	—	%	4.4	%	4.5	%	4.7	%	3.9	%	4.2	%	5.1	%	3.6	%	3.8	%	5.2	%
Two or More Races	3.5	%	2.7	%	2.8	%	5.1	%	5.1	%	2.3	%	4.2	%	2.1	%	3.0	%	4.6	%	2.0	%	3.2	%	2.9	%	3.5	%	2.7	%
White	73.9	%	71.8	%	67.0	%	78.5	%	72.9	%	75.0	%	68.4	%	65.6	%	60.8	%	68.9	%	65.0	%	60.8	%	78.6	%	78.1	%	74.8	%
Not Declared	1.4	%	2.9	%	5.1	%	1.2	%	—	%	—	%	1.8	%	3.6	%	6.3	%	1.6	%	4.2	%	5.8	%	1.4	%	1.9	%	3.0	%

AGE METRICS - GLOBAL
	2016		2017		2018†
24 years and younger	5.7	%	4.2	%	5.3	%
25-29 years	29.2	%	28.4	%	27.9	%
30-34 years	35.8	%	34.1	%	32.2	%
35-39 years	19.0	%	21.2	%	20.8	%
40-49 years	8.3	%	9.4	%	11.1	%
50+ years	1.9	%	2.7	%	2.7	%

† Etsy commissioned an external third party to perform attest procedures with respect to our diversity metrics for the period from January 1, 2018 to December 31, 2018.

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SASB Disclosure

The Sustainability Accounting Standards Board’s (SASB) mission is to develop sustainability metrics for public corporations to disclose material, decision-useful information to investors. Etsy supports work that contributes directly to generating comparable and consistent data. We have considered SASB’s Consumer Goods Sector – E-Commerce industry standard and have provided key details below.

SASB Metrics
SASB Code	Metric		2016		2017		2018
CG-EC-000.A	Entity-defined measure of user activity	Active buyers (thousands)	28,566		33,364		39,447
		Active sellers (thousands)	1,748		1,933		2,115
CG-EC-000.B	Data processing capacity	In December 2017, we announced our Google Cloud Partnership, an initiative that will transition our infrastructure to the Google Cloud Platform. We are currently in the process of migrating our colocated data centers to Google Cloud. In 2018, we successfully migrated our website and mobile apps to the platform, and we expect to complete the migration by the beginning of 2020.
	Percentage outsourced		100	%	100	%	100	%
Hardware Infrastructure Energy & Water Management
CG-EC-130a.1	Total energy consumed, MWh		6,155		7,111		7,330
	Percentage renewable energy		—	%	32	%	65	%
	Percentage grid electricity		100	%	100	%	100	%
CG-EC-130.a	Discussion of the integration of environmental considerations into strategic planning for data center needs. Etsy’s goals include powering our operations with 100% renewable electricity by 2020, and reducing the intensity of our energy use by 25% by 2025. These goals are included as key considerations as we plan for our computing needs, and have been a focus of our sustainability efforts. When transitioning to a cloud computing infrastructure, we selected Google Cloud Platform, a partner that shares our commitment to 100% renewable electricity. Their highly efficient data centers are expected to help us save significant energy. Moreover, moving to flexible cloud-based infrastructure should enable us to reduce major idle time and associated energy consumption. In 2018, Etsy entered into a virtual power purchase agreement for solar energy in Virginia. Once operational, this project is expected to provide us with renewable attributes to apply to our operations and computing infrastructure, furthering our goals of creating a cleaner internet and reducing our impact on the planet. We actively monitor and manage energy consumption from our computing infrastructure. In 2018, our colocated data centers accounted for 68% of total energy consumed, or 7330 MWh.
Data Privacy and Advertising Standards
CG-EC-220a.2	Description of the policies and practices relating to behavioral advertising and user privacy. We care deeply about privacy and we’re committed to being upfront about our privacy practices, including how we treat personal information. Etsy’s Privacy Policy provides a detailed explanation of our privacy practices. Among other things, our Privacy Policy covers the user information that Etsy collects or receives, the choices and control that a user has in relation to this data including based on type and sensitivity, the purpose for which Etsy uses such information (including first and third party advertising purposes), our policies relating to our usage and sharing within Etsy and its affiliates, and user controls for sharing and controlling such information with third parties.
Data Security
CG-EC-230a.1	Description of approach to identifying and addressing data security risks. Data security is overseen by our Chief Information Security Officer who reports to our Chief Technical Officer. We strive to protect sensitive information through various means, such as technical safeguards, procedural requirements and policies, an intensive program of monitoring on both our web platform and within our corporate network, continuous testing of aspects of our security posture internally and with outside vendors, a robust incident response program, and regular training for employees.
Employee Recruitment, Inclusion and Performance
CG-EC-330a.1	Employee engagement as a percentage		80	%	60	%	70	%
	Employee engagement as a percentage and discussion of methodology. In July 2018, Etsy conducted an engagement survey of all global employees. Of employees surveyed, 82% submitted a response. The survey was conducted through the Culture Amp platform and consisted of 48 questions - 45 rating questions on which employees were asked to indicate their level of agreement with a statement based on a five-point scale from Strongly Agree to Strongly Disagree, and three free-text questions to which employees were asked to write out a response. The responses were analyzed against the results from a similar survey conducted in 2017, as well as Culture Amp's 2018 New Tech - 500+ Benchmark, which consists of survey results from companies that are primarily internet-based or focused on creating new technologies, and that have between 500 and 5,000 employees.
CG-EC-330a.3	Gender and racial/ethnic group representation for leadership, technical staff and other business functions		See Impact Strategy section for detailed metrics.
	Discussion of diversity and inclusion strategy and performance		See Impact Strategy - Social Impact for details.
CG-EC-330a.4	Percentage of technical employees who are H-1B visa holders						2.5	%

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SASB Metrics
SASB Code	Metric	2016		2017		2018
Product Packaging and Distribution
CG-EC-410a.1	Total greenhouse gas (GHG) footprint of product shipments in metric tons CO2e	103,646	‡	118,153	‡	135,459	†
CG-EC-410a.2	Discussion of strategies to reduce the environmental impact of product delivery. The delivery of products sold on our marketplace represents the majority of Etsy’s carbon footprint. As a peer-to-peer marketplace, Etsy does not directly control seller shipping or the associated logistics networks, however, we are committed to addressing carbon emissions from shipping. We have identified a number of levers that we expect to help to drive carbon reduction in the long term, including policy advocacy, vendor negotiation, and peer collaboration. In the near term, Etsy recognizes the need to act on climate change and we are taking immediate action to help balance our footprint. In 2019, we are committing to offset 100% of our emissions from shipping through investments in verified emissions reductions.

Greenhouse Gas (“GHG”) Emissions Summary (tCO2e)	2016		2017		2018
GHG Emissions by Scope
Scope 1	410	‡	467	‡	372	†
Scope 2 - Market	2,946	‡	2,209	‡	1,213	†
Scope 2 - Location	3,076	‡	3,152	‡	2,923	†
Scope 3	105,295		119,444		137,042
Scope 3 GHG Emissions by Activity Source
Shipping	103,646	‡	118,153	‡	135,459	†
Air Travel	967	‡	550	‡	943	†
Commuting	597		663		544
Remote Workers	49		64		87
Waste	18		7		6
Water	9		4		3
Electricity, Transmission and Distribution Losses	9		3		<1

† Etsy commissioned an external third party to perform attest procedures with respect to our carbon and energy metrics for the period from January 1, 2018 to December 31, 2018. Full details and data methodology are available at investors.etsy.com.

‡ Metrics for which historical data has also been subject to previous attest procedures.

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Competition

We compete for Etsy sellers with both retailers and companies that sell software to small businesses. An Etsy seller can list her goods for sale with online retailers or sell her goods through local consignment and vintage stores and other venues and marketplaces, including through commerce channels on social networks like Facebook and Instagram. She may also sell wholesale directly to traditional retailers, including large national retailers, who discover her goods in our marketplace or otherwise. We also compete with companies that sell software and services to small businesses, enabling an Etsy seller to sell from her own website or otherwise run her business independently of our platform. We are able to compete for Etsy sellers based on our brand awareness, the global scale of our marketplace and the breadth of our online presence, the number and engagement of Etsy buyers, our seller tools and services, our seller education resources, our policies and fees, our mobile apps, the strength of our community, and our values.

We also compete with retailers for the attention of the Etsy buyer. An Etsy buyer has the choice of shopping with any online or offline retailer, whether large marketplaces or national retail chains or local consignment and vintage stores or other venues or marketplaces. We are able to compete for Etsy buyers based on the unique goods that Etsy sellers list in our marketplace, our brand awareness, the person-to-person commerce experience, customer service, our reputation as a trusted marketplace, our mobile apps, the availability of fair and free shipping offered by Etsy sellers, ease of payment, and the availability and reliability of our platform.

Intellectual Property

Protection of our technology and intellectual property is an important component of our success. We rely on intellectual property laws, including patent, trade secret, copyright, and trademark laws, in the United States and abroad. We also use confidentiality procedures, defensive licensing and acquisitions, non-disclosure agreements, invention assignment agreements, and other contractual rights to protect Etsy and our intellectual property.

We file patents and register domain names, trademarks, copyrights, and service marks in the United States and abroad. We rely upon unregistered copyrights and common law protection for certain trademarks. We also use internal and external brand protection mechanisms that are intended to protect Etsy’s brand from misuse by third parties.

Government Regulation

As with any company operating on the internet, we are subject to a growing number of local, national, and international laws and regulations. These laws are often complex, sometimes contradict other laws, and are frequently changing. Laws may be interpreted and enforced in different ways in various locations around the world, posing a significant challenge to our global business. For example, U.S. federal and state laws, E.U. directives, and other national laws govern the processing of payments, consumer protection, and the privacy of consumer information; other laws define and regulate unfair and deceptive trade practices. Still other laws dictate when and how sales or other taxes must be collected. Laws of defamation apply online and vary by country. The growing regulation of e-commerce worldwide could impose additional compliance burdens and costs on us or on Etsy sellers and could subject us to significant liability for any failure to comply. Additionally, because we operate internationally, we need to comply with various laws associated with doing business outside of the United States, including anti-money laundering, sanctions, anti-corruption, and export control laws.

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Available Information

We are subject to the informational requirements of the Securities Exchange Act of 1934, as amended, (“the Exchange Act”), and file or furnish reports, proxy statements and other information with the Securities and Exchange Commission, (the “SEC”). Our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to these reports are available free of charge on our website at investors.etsy.com as soon as reasonably practicable after we have filed or furnished them to the SEC. The information on our website is not incorporated into this Annual Report and investors should not rely on such information in deciding whether to invest in our common stock. Copies of our SEC reports and other documents are also available, without charge, by sending a letter to Investor Relations, Etsy, Inc., 117 Adams Street, Brooklyn, NY 11201, by sending an email to ir@etsy.com or by calling (347) 382-7582.

Our SEC reports are also available on the SEC’s website at www.sec.gov free of charge as soon as reasonably practicable after we have filed or furnished them to the SEC. For information regarding classes of products or services that accounted for 10% or more of consolidated revenue in the last three fiscal years, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Results of Operations.”

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Item 1A. Risk Factors.

Investing in our common stock involves a high degree of risk. You should consider carefully the risks and uncertainties described below, our Consolidated Financial Statements and related notes, and the other information in this Annual Report on Form 10-K. If any of these risks actually occur, our business, financial condition, results of operations, and prospects could be adversely affected. As a result, the price of our common stock could decline and you could lose part or all of your investment.

Risks Related to Our Business and Industry

Our quarterly operating results may fluctuate, which could cause our stock price to decline.

Our quarterly operating results, as well as our key metrics, may fluctuate for a variety of reasons, many of which are beyond our control, including:

• fluctuations in revenue generated from Etsy sellers on our platform, including as a result of the seasonality of market transactions, and Etsy sellers’ use of services;

• our ability to convert visits to Etsy.com into sales for our sellers;

• the amount and timing of our operating expenses;

• our success in attracting and retaining Etsy sellers and Etsy buyers;

• our success in executing on our strategy and the impact of any changes in our strategy;

• the timing and success of product launches, including new services and features we may introduce;

• the success of our marketing efforts;

• economic and market conditions, such as currency fluctuations and global events;

• disruptions or defects in our marketplace, such as privacy or data security breaches or other incidents that impact the reliability of our platform;

• the impact of competitive developments and our response to those developments;

• our ability to manage our existing business and future growth;

• our ability to recruit and retain employees; and

• the impact of our revised global corporate structure that was implemented on January 1, 2015.

Fluctuations in our quarterly operating results and key metrics may cause those results to fall below our financial guidance or other projections, or the expectations of analysts or investors, which could cause the price of our common stock to decline. Fluctuations in our results could also cause a number of other problems. For example, analysts or investors might change their models for valuing our common stock, we could experience short-term liquidity issues, our ability to retain or attract key personnel may diminish, and other unanticipated issues may arise.

In addition, we believe that our quarterly operating results and key metrics may vary in the future and that period-to-period comparisons of our operating results may not be meaningful. For example, our overall historical growth rate may have overshadowed the effect of seasonal variations on our historical operating results. These seasonal effects may become more pronounced over time, which could also cause our operating results and key metrics to fluctuate. You should not rely on the results of one quarter as an indication of future performance.

If we are unable to successfully execute on our business strategy or if our strategy proves to be ineffective, our business, financial performance and growth could be adversely affected. 

Our ability to execute our strategy is dependent on a number of factors, including the ability of our senior management team and key team leaders to execute our strategy, our ability to maintain our pace of product experiments coupled with the success of such initiatives and introduce offerings that meet the changing needs of our sellers and buyers, and the ability of our employees to perform at a high-level. If we are unable to execute our strategy, if our strategy does not drive the growth that we

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anticipate, or if our market opportunity is not as large as we have estimated, it could adversely affect our business, financial performance and growth.

Our business, financial performance and growth depends on our ability to attract and retain an active and engaged community of Etsy buyers and Etsy sellers.

Our financial performance has been and will continue to be significantly determined by our success in attracting and retaining active buyers and active sellers. For example, our revenue is driven by the number of the number of active buyers and buyer engagement, as well as active sellers and seller engagement. We must encourage buyers to return to Etsy and purchase items in our marketplace more frequently. We must also continue to encourage Etsy sellers to list items for sale and use our services.

We believe that many new Etsy buyers and Etsy Sellers find Etsy by word of mouth and other non-paid referrals from existing Etsy buyers and Etsy Sellers. If existing Etsy buyers do not find our platform appealing, whether because of a negative experience, lack of competitive shipping costs, inadequate customer service, lack of buyer-friendly features, declining interest in the nature of the goods offered by Etsy sellers, or other factors, they may make fewer purchases and they may stop referring others to us. Likewise, if existing Etsy sellers are dissatisfied with their experience on our platform, they may stop listing items in our marketplace and using our services and may stop referring others to us. Under any of these circumstances, we may have difficulty attracting new Etsy buyers and Etsy sellers without incurring additional expense.

Our GMS and revenue is concentrated in our most active buyers and sellers. If we lose those buyers and sellers, our financial performance and growth could be harmed. Even if we are able to attract new Etsy buyers and Etsy sellers to replace the ones that we lose, they may not maintain the same level of activity, and the GMS and revenue generated from new Etsy buyers and Etsy sellers may not be as high as the GMS and revenue generated from the ones who leave our marketplace. If we are unable to retain existing Etsy buyers and Etsy sellers and attract new Etsy buyers and Etsy sellers who contribute to an active community, our business, financial performance, and growth would be harmed.

Additionally, the demand for the goods listed in our marketplace is dependent on consumer preferences which can change quickly and may differ across generations and cultures. If demand for the goods that Etsy sellers offer declines, we may not be able to attract and retain Etsy buyers and our business would be harmed. Trends in socially-conscious consumerism and buying unique rather than mass produced goods could also shift or slow which would make it more difficult to attract new Etsy buyers and Etsy sellers. Our growth would also be harmed if the shift to ecommerce does not continue.

We have a history of losses and we may not achieve or maintain profitability in the future.

We generated net income of $77.5 million and $81.8 million and incurred a net loss of $29.9 million for the years ended December 31, 2018, 2017, and 2016, respectively. We may not maintain profitability in the future. Our costs may increase as we continue to invest in the development of our platform, including our services and technological enhancements, and increase our marketing efforts, expand our operations, and hire additional employees. These efforts may be more costly than we expect and our revenue may not increase sufficiently to offset these additional expenses. In addition, our revenue may decline for a number of reasons, including those described elsewhere in these Risk Factors.

Further, our revenue growth rate may decelerate in the future for a number of reasons, including the deceleration of our GMS growth rate. For further information about the rate of revenue and GMS growth, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Results of Operations—Revenue.” You should not rely on growth rates of prior periods as an indication of our future performance.

Our business could be adversely affected by economic downturns, natural disasters, public health crises, political crises or other unexpected events.

Macroeconomic conditions may adversely affect our business. If general economic conditions deteriorate in the United States or other markets where we operate, consumer discretionary spending may decline and demand for the goods and services available in our platform may be reduced. This would cause our Marketplace and Services revenue to decline and adversely impact our business. Conversely, if recent trends supporting self-employment and the desire for supplemental income were to reverse, the number of Etsy sellers offering their goods in our marketplace could decline and the number of goods listed in our marketplace could decline. In addition, currency exchange rates may directly and indirectly impact our business. For example, continued uncertainty around the United Kingdom’s decision to exit the European Union, or E.U., commonly referred to as Brexit, may result in future exchange rate volatility, which may strengthen the U.S. dollar against foreign currencies. If the U.S. dollar strengthens against foreign currencies, our translation of foreign currency denominated GMS and revenue will result in lower U.S. denominated GMS and revenue. Currency exchange rates may also dampen demand from buyers outside the United

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States for goods denominated in U.S. dollars, which could impact GMS and revenue. For the year ended December 31, 2018, approximately 83% of our GMS was denominated in U.S. dollars.

Natural disasters and other adverse weather and climate conditions, public health crises, political instability or crises, terrorist attacks, war, or other unexpected events, could disrupt our operations, internet or mobile networks, or the operations of one or more of our third-party service providers. Certain events, such as hurricanes and other natural disasters and political instability, are likely to impact buyer behavior for discretionary goods and sellers’ ability to run their businesses on our marketplace and ship their goods. These kinds of events may also impact consumer perceptions of well-being and security, which may adversely impact consumer discretionary spending. If any of these events occurs, our business could be adversely affected.

Our ability to recruit and retain employees is important to our success.

Our ability to attract, retain, and motivate employees, including our management team, is important to our success. We strive to attract, retain, and motivate employees, from our office administrators to our management team, who share our dedication to our community and our mission to “Keep Commerce Human.” We cannot guarantee we will continue to attract and retain the number or caliber of employees we need to maintain our competitive position.

Some of the challenges we face in attracting and retaining employees include:

• perceived uncertainties as to our commitment to our mission, guiding principles and culture;

• skepticism regarding our ability to continue to accelerate GMS growth in the future;

• continuing to offer competitive compensation and benefits;

• enhancing engagement levels among existing employees and supporting their work-life balance;

• attracting and retaining qualified employees who support our mission and guiding principles;

• promotion opportunities for employees into leadership positions ;

• hiring employees in multiple locations globally; and

• responding to competitive pressures and changing business conditions in ways that do not divert us from our guiding principles.

Filling engineering, product management, and other technical positions, particularly in New York City and San Francisco, is challenging. Qualified individuals are limited and in high demand, and we may incur significant costs to attract, develop, and motivate them. Even if we were to offer higher compensation and other benefits, people with suitable technical skills may choose not to join us or to continue to work for us. In addition, job candidates and existing employees often consider the value of the stock awards they receive in connection with their employment. If the perceived value of our stock awards declines, it may adversely affect our ability to recruit and retain highly skilled employees.

In general, our employees, including our management team, work for us on an at-will basis. The unexpected loss of or failure to retain one or more of our key employees, such as our Chief Executive Officer, Chief Financial Officer or Chief Technology Officer, or unsuccessful succession planning, could adversely affect our business. Other companies, including our competitors, may be successful in recruiting and hiring our employees, and it may be difficult for us to find suitable replacements on a timely basis or on competitive terms.

If we experience increased voluntary attrition in the future and if we are unable to attract and retain qualified employees, particularly in critical areas of operations such as engineering, we may not achieve our strategic goals and our business and operations could be harmed.

The trustworthiness of our marketplace and the connections within our community are important to our success. If we are unable to maintain them, our ability to attract and retain Etsy sellers and Etsy buyers could suffer.

We have built a trusted marketplace that embodies our values-based culture and continue to focus on ensuring that we deliver trust and reliability throughout the buyer experience on Etsy.com. Our reputation depends upon our Etsy sellers, their unique offerings and their adherence to our policies.

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The trustworthiness of our marketplace and the connections among the members of our community are the cornerstones of our business. Many things could undermine these cornerstones, such as:

• complaints or negative publicity about us, our platform or our policies and guidelines, even if factually incorrect or based on isolated incidents;

• an inability to gain the trust of prospective buyers;

• disruptions or defects in our marketplace, such as the increased pace of product experimentation, privacy or data security breaches, website outages, payment disruptions or other incidents that impact the reliability of our platform;

• lack of awareness of our policies or confusion about how they are applied;

• changes to our policies that members of our community perceive as inconsistent with their best interests or our mission, or that are not clearly articulated;

• inadequacies in our terms of use;

• a failure to enforce our policies effectively, fairly and transparently, including, for example, by allowing the widespread listing of prohibited items in our marketplace;

• inadequate or unsatisfactory customer service experiences;

• a failure to respond to feedback from our community; or

• a failure to operate our business in a way that is consistent with our guiding principles and mission.

In particular, we are focused on enhancing customer service for Etsy sellers and Etsy buyers and have migrated our legacy support platform to a new third-party customer service platform. We plan to introduce new customer service features and tools to support a positive user experience on our platform. If our efforts to enhance customer service are unsuccessful or if our new customer service platform fails to meet our needs, we may need to invest additional resources in customer service and our ability to maintain a trustworthy marketplace could be harmed.

If we are unable to maintain a trustworthy marketplace and encourage connections among members of our community, then our ability to attract and retain Etsy sellers and Etsy buyers could be impaired and our reputation and business could be adversely affected.

If we are not able to keep pace with technological changes and enhance our current offerings and develop new offerings to respond to the changing needs of Etsy sellers and Etsy buyers, our business, financial performance and growth may be harmed.

Our industry is characterized by rapidly changing technology, new service and product introductions, and changing customer demands and we are not able to predict the effect of these changes on our business. The technologies that we currently use to support our platform may become inadequate or obsolete and the cost of incorporating new technologies into our products and services may be substantial. We strive to respond to evolving customer needs and regularly launch new products, features and services including, for example, our recently announced seller subscription packages and tools. Etsy sellers and Etsy buyers, however, may not be satisfied with our enhancements or new offerings or may perceive that these offerings do not respond to their needs or create value for them. Additionally, as we experiment with new offerings or changes to our platform, Etsy sellers and Etsy buyers may find these changes to be disruptive and may perceive them negatively. In addition, developing new services and features is complex, and the timetable for public launch is difficult to predict and may vary from our historical experience. As a result, the introduction of new offerings may occur after anticipated release dates or they may be introduced as pilot programs, which may not be continued for various reasons. In addition, new offerings may not be successful due to defects or errors, negative publicity, or our failure to market them effectively.

New offerings may not drive GMS or revenue growth, may require substantial investment and planning, and may bring us more directly into competition with companies that are better established or have greater resources than we do.

If we do not continue to cost-effectively develop new offerings that satisfy Etsy sellers and Etsy buyers, then our competitive position and growth prospects may be harmed. In addition, new offerings may have lower margins than existing offerings and our revenue from the new offerings may not be enough to offset the cost of developing them, which could adversely affect our business, financial performance and growth.

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Our marketing efforts to help grow our business may not be effective.

Maintaining and promoting awareness of our marketplace and services is important to our ability to attract and retain Etsy sellers and Etsy buyers. One of the key parts of our strategy is to create more habitual buyers by inspiring purchases across multiple categories and special occasions. In addition, one of the primary goals of our 2018 pricing increase was to enable us to make further investments in marketing designed to attract more buyers to Etsy. Generating a meaningful return on our investments in marketing initiatives, however, may be difficult, particularly as we anticipate that our marketing investments will be more speculative in the future. In addition, there can be no assurance that we will deploy additional funds resulting from our 2018 pricing increase effectively.

The marketing efforts we implement may not succeed for a variety of reasons, including our inability to execute and implement our plans. External factors beyond our control may also impact the success of our marketing initiatives. Our primary marketing efforts currently include search engine optimization, search engine marketing, affiliate marketing and display advertising, as well as, social media, mobile push notifications, and email. Additionally, we have begun experimenting with television and digital video advertising. We obtain a significant number of visits via search engines such as Google. Search engines frequently change the algorithms that determine the ranking and display of results of a user’s search and may make other changes to the way results are displayed, which can negatively affect the placement of links to our marketplace and, therefore, reduce the number of visits to our marketplace. In addition, search engines and other third-parties typically require compliance with their policies and procedures, which may be subject to change or new interpretation with limited ability to negotiate, which could negatively impact our marketing capabilities and GMS. The growing use of online ad-blocking software, including on mobile devices, may also impact the success of our marketing efforts because we may reach a smaller audience and fail to bring more Etsy buyers to our platform. In addition, ongoing privacy regulatory changes, such as the E.U. General Data Protection Regulation, may impact the scope and effectiveness of marketing and advertising services generally, including those used on our platform.

We also obtain a significant number of visits through email. If we are unable to successfully deliver emails to Etsy sellers and Etsy buyers, or if Etsy sellers and Etsy buyers do not open our emails, whether by choice, because those emails are marked as low priority or spam, or for other reasons, our business could be adversely affected. Social networking websites, such as Facebook and Pinterest, are another important source of visits to our marketplace. As ecommerce and social networking evolve, we must continue to evolve our marketing tactics accordingly and, if we are unable to do so, our business could be adversely affected.

If the mobile solutions available to Etsy sellers and Etsy buyers are not effective, the use of our marketplace could decline.

Purchases made on mobile devices by consumers, including Etsy buyers, have increased significantly in recent years. The smaller screen size and reduced functionality associated with some mobile devices may make the use of our platform more difficult or less appealing. Etsy sellers are also increasingly using mobile devices to operate their businesses on our platform. If we are not able to deliver a rewarding experience on mobile devices, Etsy sellers’ ability to manage and scale their businesses may be harmed and, consequently, our business may suffer. Further, although we strive to provide engaging mobile experiences for both Etsy sellers and Etsy buyers who visit our mobile website using a browser on their mobile device, we depend on Etsy sellers and Etsy buyers using our mobile apps for the optimal mobile experience. Mobile web conversion rate is about half the conversion rate on desktop and the conversion rate on our mobile Buy on Etsy app is about 1.2x the desktop conversion rate. Therefore, if mobile web visits continue to grow as a percentage of overall visits, it could be a headwind to future conversion rate gains and result in less GMS and revenue for us.

As new mobile devices and mobile platforms are released, we may encounter problems in developing or supporting apps for them. In addition, supporting new devices and mobile device operating systems may require substantial time and resources.

The success of our mobile apps could also be harmed by factors outside our control, such as:

• actions taken by providers of mobile operating systems or mobile app download stores;

• unfavorable treatment received by our mobile apps, especially as compared to competing apps, such as the placement of our mobile apps in a mobile app download store;

• increased costs to distribute or use our mobile apps; or

• changes in mobile operating systems, such as iOS and Android, that degrade the functionality of our mobile website or mobile apps or that give preferential treatment to competitive products.

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If Etsy sellers and Etsy buyers encounter difficulty accessing or using our platform on their mobile devices, or if they choose not to use our platform on their mobile devices, our business, financial performance, and growth may be adversely affected.

Expanding our community outside of the United States is part of our strategy and the growth of our business could be harmed if our expansion efforts do not succeed.

Our vision is both global and local and we are focused on growing our business outside of the United States.Although we have a significant number of Etsy sellers and Etsy buyers outside of the United States, we are a U.S.-based company with less experience developing local markets outside the United States and may not execute our strategy successfully. Operating outside of the United States also requires significant management attention, including managing operations over a broad geographic area with varying cultural norms and customs, and adapting our platform to local markets.

Despite our execution efforts, the goods that Etsy sellers list on Etsy.com may not appeal to non-U.S. consumers in the same way as they do to consumers in the United States. In addition, non-U.S. buyers are not as familiar with the Etsy brand as buyers in the United States and may not perceive us as relevant or trustworthy. Also, visits to Etsy.com from Etsy buyers outside the United States may not convert into sales as often as visits from within the United States, including due to the impact of the strong U.S. dollar relative to other currencies and the fact that most of the goods listed on our platform are denominated in U.S. dollars.

Our ability to grow our international operations may also be adversely affected by any circumstances that reduce or hinder cross-border trade. For example, the shipping of goods cross-border is typically more expensive and slower than domestic shipping and often involves complex customs and duty inspections and the dependency of national postal carrier systems.

Our success outside the United States depends upon our ability to attract Etsy sellers and Etsy buyers from the same countries in order to enable the growth of local markets. If we are not able to expand outside of the United States successfully, our growth prospects could be harmed. An inability to develop Etsy’s community globally or to otherwise grow our business outside of the United States on a cost-effective basis could adversely affect our GMS, revenue, and operating results.

Competition is also likely to intensify outside of the United States, both where we operate now and where we plan to expand our operations. Local companies based outside the United States may have a substantial competitive advantage because of their greater understanding of, and focus on, their local markets. Some of our competitors may also be able to develop and grow internationally more quickly than we will.

Continued expansion outside of the United States may also require significant financial investment. For example, in June 2018, we announced a referral agreement with DaWanda, a German e-commerce marketplace, which encouraged the migration of DaWanda buyers and sellers to Etsy’s marketplace and helped expand Etsy’s presence in Central Europe. Etsy also made initial investments to explore growth opportunities in India, a dynamic market where we have limited operating experience. We plan to invest in seller and buyer acquisition marketing, enhancing our machine translation and machine learning to help sellers and buyers connect even if they do not speak the same language, forming relationships with third-party service providers, supporting operations in multiple countries, and potentially acquiring companies based outside the United States and integrating those companies with our operations. Our investment outside of the United States may be more costly than we expect or unsuccessful.

Further expansion outside of the United States will subject us to risks associated with operations abroad.

Doing business outside of the United States subjects us to increased risks and burdens such as:

• complying with different (and sometimes conflicting) laws and regulatory standards (particularly including those related to the use and disclosure of personal information, online payments and money transmission, intellectual property, consumer protection, online platform liability and taxation of goods and services);

• fluctuations of foreign exchange rates;

• potentially heightened risk of fraudulent or other illegal transactions;

• limitations on the repatriation of funds;

• exposure to liabilities under anti-corruption, anti-money laundering and export control laws, including the U.S. Foreign Corrupt Practices Act of 1977, as amended, the U.K. Bribery Act of 2010, trade controls and sanctions administered by the U.S. Office of Foreign Assets Control, and similar laws and regulations in other jurisdictions;

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• varying levels of internet, e-commerce, and mobile technology adoption and infrastructure;

• our ability to enforce contracts and intellectual property rights in jurisdictions outside the United States;

• geopolitical events such as natural disasters, terrorism and acts of war;

• uncertainties and instability in European markets caused by Brexit; and

• barriers to international trade, such as tariffs, customs or other taxes.

Etsy sellers face similar risks in conducting their businesses across borders. Even if we are successful in managing the risks of conducting our business across borders, if Etsy sellers are not, our business could be adversely affected. In particular, Etsy buyers and sellers seeking to engage in cross-border sales may become subject to an increasing number of barriers to international trade such as tariffs, customs or other taxes.

If we invest substantial time and resources to expand our operations outside of the United States and cannot manage these risks effectively, the costs of doing business in those markets may be prohibitive or our expenses may increase disproportionately to the revenue generated in those markets.

Legal, political and economic uncertainty surrounding the planned exit of the United Kingdom from the European Union may be a source of instability in international markets, create significant currency fluctuations, adversely affect our operations in the United Kingdom and pose additional risks to our business, revenue, financial condition, and results of operations.

On March 29, 2017, the United Kingdom formally notified the European Council of its intention to leave the E.U. It is unclear how long it will take to negotiate a withdrawal agreement, but it appears likely that Brexit will continue to involve a process of lengthy negotiations between the United Kingdom and E.U. member states to determine the future terms of the United Kingdom’s relationship with the E.U.

Lack of clarity about future U.K. laws and regulations as the United Kingdom determines which E.U. rules and regulations to replace or replicate in the event of a withdrawal, including financial laws and regulations, tax and free trade agreements, intellectual property rights, supply chain logistics, environmental, health and safety laws and regulations, immigration laws and employment laws, could decrease foreign direct investment in the United Kingdom, increase costs, depress economic activity, and restrict access to capital. In addition, depending on the terms of the United Kingdom’s withdrawal from the E.U., the United Kingdom could lose the benefits of global trade agreements negotiated by the E.U. on behalf of its members. The long-term effects of Brexit will depend on any agreements (or lack thereof) between the United Kingdom and the E.U. and, in particular, any arrangements for the United Kingdom to retain access to E.U. markets either during a transitional period or more permanently.

Such a withdrawal from the E.U. is unprecedented, and it is unclear how the United Kingdom’s access to the European single market for goods, capital, services and labor within the E.U., or the European single market, and the wider commercial, legal and regulatory environment, will impact our U.K. operations, including our sellers and buyers in the United Kingdom. We may also face new regulatory costs and challenges that could have an adverse effect on our operations. The announcement of Brexit has already created economic uncertainty, and its consequences could adversely impact our business, revenue, financial condition, and results of operations.

Regulation in the areas of privacy and protection of user data could harm our business.

In addition to the actual and potential changes in law described elsewhere in these Risk Factors, global developments in privacy and data security regulations are changing some of the ways we and our vendors collect, use, and share personal information. Compliance with these changing regulations have necessitated some specific product changes for our non-U.S. activities. In May 2018, the General Data Protection Regulation (“GDPR”) went into effect in the E.U., effectively extending the scope of E.U. data protection law to all non-E.U. companies processing data of E.U. persons. The GDPR seeks to harmonize the data protection regulations throughout the entire E.U. The regulation contains numerous requirements and changes from existing E.U. law, including more robust obligations on data processors, greater rights for data subjects (requiring potentially significant changes to both our technology and operations), security and accountability obligations, and significantly heavier documentation and record-keeping requirements for data protection compliance programs. Specifically, the GDPR introduced numerous privacy-related changes for companies operating in the E.U., including greater control over personal data by data subjects (e.g., the “right to be forgotten”), increased data portability, access and redress rights for E.U. consumers, data breach notification requirements, increased rules for online and e-mail marketing, and stronger regulatory enforcement regimes. The

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GDPR requirements apply to some third-party transactions (such as commercial contracts with partners and vendors) and to transfers of information between us and our subsidiaries, including user and employee information. GDPR requirements may also apply, depending on interpretation of its reach, to some users in Etsy’s worldwide community of sellers. We may experience difficulty retaining or obtaining new E.U. sellers or new sellers selling into the E.U. due to the legal requirements, compliance cost, potential risk exposure, and uncertainty for them in respect of their own compliance obligations with respect to GDPR. In addition, although Etsy sellers are independent businesses, it is possible that a privacy authority could deem Etsy jointly and severally liable for actions of Etsy sellers, which would increase our potential liability exposure and costs of compliance, which could negatively impact our business. We could face potential liability, regulatory investigation, and costly litigation, which may not be adequately covered by insurance.

GDPR, the recently passed California Consumer Privacy Act, and similar laws coming into effect in other jurisdictions may continue to change the data protection landscape globally and could result in potentially significant operational costs for internal compliance and risk to our business. Some of these requirements introduce friction into the buying and selling experience on Etsy and may impact the scope and effectiveness of our marketing efforts, which could negatively impact our business and future outlook. Non-compliance with these laws could result in proceedings against us by data protection authorities, other public authorities, third-parties, or individuals. Under GDPR alone, noncompliance could result in fines up to 20 million Euros or up to 4% of the annual global revenue of the noncompliant company, whichever is greater.

In addition, the laws relating to the transfer of personal data outside of the E.U. continue to evolve and remain uncertain.Although we are taking steps to comply and mitigate the potential impact to us, the efficacy and longevity of these steps are uncertain. We may find it necessary to establish systems to maintain personal data originating from the E.U. in the European Economic Area, which may involve substantial expense and distraction from other aspects of our business. In the meantime, the evolving data protection landscape also creates uncertainty as to how to comply with E.U. privacy law, including potentially inconsistent guidance, rulings or requirements from multiple authorities in the E.U., as well as in the U.S. and worldwide. Further, we may not be entirely successful in our compliance efforts due to various factors either within our control (such as limited internal resource allocation) or outside our control (such as a lack of vendor cooperation, new regulatory interpretations, or lack of regulatory guidance in respect of certain GDPR requirements).

Our payments system depends on third-party providers, requires ongoing investment, and is subject to evolving laws, regulations, rules, and standards.

Etsy buyers primarily pay for purchases using Etsy Payments or PayPal. In the United States and other countries where Etsy Payments is available, Etsy Payments enables our sellers to accept various forms of payments such as credit cards, debit cards, PayPal, Google Wallet, Apple Pay, and Etsy Gift Cards.

We rely upon third-party service providers to perform underlying compliance, credit card processing and payment disbursing, currency exchange, identity verification, sanctions screening, and fraud analysis services. If these service providers do not perform adequately or if our relationships with these service providers were to terminate, Etsy sellers’ ability to receive orders or payment could be adversely affected and certain fraud prevention and detection tools may not be effective, which could lead to potential legal liability and negatively impact our business. In addition, Etsy and our third-party service providers may experience service outages from time to time that negatively impact payments on Etsy. We have in the past experienced, and may in the future experience, such service outages and, if we are unable to provide an alternative payment solution, our business could be harmed. In addition, if our third-party providers increase the fees they charge us, our operating expenses could increase. If we respond by increasing the fees we charge to Etsy sellers, some Etsy sellers may stop listing new items for sale or even close their accounts altogether.

The laws and regulations that govern payments are complex, evolving, and subject to change and vary across different jurisdictions in the United States and globally. Moreover, even in regions where such laws have been harmonized, regulatory interpretations of such laws may differ. As a result, we are required to spend significant time and effort to determine whether various laws and licensing regulations relating to payments apply to Etsy and to comply with applicable laws and licensing regulations. Any failure or claim of our failure to comply, or any failure by our third-party service providers to comply, could cost us substantial resources, could result in liabilities, could cause us significant reputational damage, or could force us to stop offering Etsy Payments in certain markets. Additionally, changes in payment regulation may occur that could render our payments systems less profitable. For example, any significant change in credit or debit card interchange rates in the United States or other markets, including as a result of changes in interchange fee limitations, may negatively impact payments on Etsy.

We plan to invest ongoing internal resources into our payments tools in order to maintain its existing availability, expand into additional markets and offer new payment methods and tools to Etsy buyers and sellers. If we fail to invest adequate resources

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into payments on Etsy, or if our investment efforts are unsuccessful or unreliable, payments on Etsy may not function properly or keep pace with competitive offerings, which could negatively impact Etsy Payments usage and our marketplace. Further, our ability to expand Etsy Payments into additional countries is dependent upon the third-party providers we use to support this service. As we expand the availability of Etsy Payments to additional markets or offer new payment methods to Etsy sellers and Etsy buyers in the future, we may become subject to additional regulations, compliance requirements, and exposed to heightened fraud risk, which could lead to an increase in our operating expenses.

Further, through our agreements with our third-party payment processors, we are indirectly subject to payment card association operating rules and certification requirements, including the Payment Card Industry Data Security Standard, which are subject to change. Failure to comply with these rules and certification requirements could impact our ability to meet our contractual obligations with our third-party payment processors and could result in potential fines. We are also subject to rules governing electronic funds transfers. Any change in these rules and requirements, including as a result of a change in our designation by major payment card providers, could make it difficult or impossible for us to comply and could require a change in our business operations. In addition, similar to a potential increase in costs from third-party providers described above, any increased costs associated with compliance with payment card association rules or payment card provider rules could lead to increased fees for Etsy or Etsy sellers, which may negatively impact payments on our platform, usage of Etsy Payments, and our marketplace.

If sensitive information about members of our community or employees is misused or disclosed, or if we or our third-party providers are subject to cyber attacks, members of our community may curtail use of our platform, we may be exposed to liability, and our reputation could suffer.

Like all online services, our platform is vulnerable to power outages, telecommunications failures, and catastrophic events, as well as computer viruses, break-ins, phishing attacks, denial-of-service attacks, and other cyber attacks. Any of these incidents could lead to interruptions or shutdowns of our platform, loss of data or unauthorized disclosure of personal or financial information of our members or employees. Cyber attacks could also result in the theft of our intellectual property. As we grow our business, expand internationally, and gain greater public visibility, we may face a higher risk of being targeted by cyber attacks. Although we rely on a variety of security measures, including security testing, encryption of sensitive information, and authentication technology, we cannot assure you that such measures will provide absolute security, particularly given the increasingly sophisticated tools and methods used by hackers and cyber terrorists. In addition, we have experienced in the past, and may experience in the future, security breaches as a result of non-technical issues, including intentional, inadvertent, or social engineering breaches occurring through our employees or employees of our third-party service providers. In addition, if our employees or employees of our third-party service providers fail to comply with our internal security policies and practices, member or employee data may be improperly accessed, used, or disclosed.

We are also reliant on the security practices of our third party service providers, which may be outside of our direct control. Additionally, some of our third party service providers, such as identity verification and payment processing providers, regularly have access to some confidential and sensitive member data. If these third parties fail to adhere to adequate security practices, or experience a breach of their networks, our members’ data may be improperly accessed, used or disclosed.

Cyber attacks aimed at disrupting our and our third-party service providers’ services have occurred regularly in the past, and we expect they will continue to occur in the future. If we or our third-party service providers experience security breaches that result in marketplace performance or availability problems or the loss or unauthorized disclosure of sensitive information, or if we fail to respond appropriately to any security breaches that we may experience, people may become unwilling to provide us the information necessary to set up an account with us. Existing Etsy sellers and Etsy buyers may stop listing new items for sale, decrease their purchases or close their accounts altogether. We could also face potential liability, regulatory investigation, costly remediation efforts and litigation, which may not be adequately covered by insurance. Any of these results could harm our growth prospects, our business, and our reputation for maintaining a trusted marketplace.

Adherence to our guiding principles and our focus on our mission and long-term sustainability may negatively influence our financial performance. Further, our reputation could be harmed if we fail to meet our impact strategy goals.

We intend to operate in line with our guiding principles, focus on the long-term sustainability of our business, and work toward our mission to “Keep Commerce Human.” We may take actions in line with our mission and guiding principles that we believe will benefit our business and, therefore, our stockholders over a longer period of time, even if those actions do not maximize short- or medium-term financial performance. However, these longer-term benefits may not materialize within the time frame we expect or at all. For example:

• we may choose to prohibit the sale of items in our marketplace that are inconsistent with our policies even though we could benefit financially from the sale of those items; or

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• we may choose to revise our policies in ways that we believe will be beneficial to our community in the long term even though the changes may be perceived unfavorably, such as updates to the way we define “handmade.”

Additionally, we have developed an impact strategy that focuses on leveraging Etsy’s core business to generate value for our community and stakeholders through positive economic, social and environmental efforts. Our impact strategy aims to create more economic opportunity for sellers, greater diversity in our workforce and build long-term resilience by reducing our carbon footprint. If we don’t demonstrate progress against our impact strategy or if our impact strategy is not perceived to be adequate, our reputation could be harmed.

Failure to deal effectively with fraud or other illegal activity could harm our business.

Although we have measures in place to detect and limit the occurrence of fraudulent and other illegal activity in our marketplace, those measures may not always be effective.

For example, Etsy sellers occasionally receive orders placed with fraudulent or stolen credit card data. Under current credit card chargeback rules, we could be held liable for orders placed through Etsy Payments with fraudulent credit card data even if the associated financial institution approved the credit card transaction. Although we attempt to detect or challenge fraudulent transactions, we may not be able to do so effectively. As a result, our business could be adversely affected. We could also incur significant fines or lose our ability to give the option of paying with credit cards if we fail to follow payment card industry data security standards or payment card association rules or fail to limit fraudulent transactions conducted in our marketplace.

We have adopted policies and procedures that are intended to ensure compliance with anti-corruption, anti-money laundering, export controls, and trade sanctions requirements. In addition, as stated elsewhere in these Risk Factors, we rely upon third-party service providers to perform certain underlying compliance, credit card processing identity verification, and fraud analysis services. If we or our service providers do not perform adequately, certain of our fraud prevention and detection tools may not be effective, which could lead to potential legal liability and negatively impact our business.

Negative publicity and sentiment resulting from fraudulent, illegal, or deceptive conduct by members of our community or the perception that our levels of responsiveness and support for Etsy sellers and Etsy buyers are inadequate could reduce our ability to attract and retain Etsy sellers and Etsy buyers and damage our reputation.

We are subject to risks related to our corporate social responsibility metrics.

We voluntarily report certain corporate social responsibility metrics. This transparency is consistent with our commitment to executing on a strategy that reflects the positive economic, social, and environmental impact we want to have on the world while advancing and complementing our business strategy. These metrics, whether it be the standards we set for ourselves and/or our failure to meet such metrics, may influence our reputation and the value of our brand. For example, the perception held by Etsy buyers or sellers, our partners or vendors, other key stakeholders, or the communities in which we do business may depend, in part, on the metrics we have chosen to aspire to and whether or not we meet these metrics on a timely basis, if at all. While selected metrics receive limited assurance from an independent third party, this is inherently a less rigorous process than reasonable assurance sought in a typical auditing engagement. Our failure to achieve progress on our metrics on a timely basis, or at all, could adversely affect our business, financial performance, or growth.

By electing to set and share publicly these corporate social responsibility metrics, our business may also face increased scrutiny related to environmental, social, and governance activities. As a result, we could damage our reputation and the value of our brand if we fail to act responsibly in the areas in which we report, such as economic security and personal empowerment, diversity and inclusion, energy and water management, carbon footprint, and data privacy or if we are perceived not to have rigorously measured our achievement against such metrics. Any harm to our reputation resulting from setting these metrics or our failure or perceived failure to meet such metrics could impact: employee engagement and retention; the willingness of Etsy buyers and sellers and our partners and vendors to do business with us; or investors willingness to purchase or hold shares of our common stock, any of which could adversely affect our business, financial performance, and growth.

We face intense competition and may not be able to compete effectively.

Our industry is highly competitive and we expect competition to increase in the future. To be successful, we need to attract and retain Etsy sellers and Etsy buyers. As a result, we face competition from a wide range of online and offline competitors.

We compete for Etsy sellers with both retailers and companies that sell software and services to small businesses. In addition to listing her goods for sale on Etsy, an Etsy seller can list her goods with other online retailers, such as Amazon, eBay, or Alibaba, or sell her goods through local consignment and vintage stores and other venues or marketplaces, including through

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commerce channels on social networks like Facebook and Instagram. She may also sell wholesale directly to traditional retailers, including large national retailers, who discover her goods in our marketplace or otherwise. We also compete with companies that sell software and services to small businesses, enabling an Etsy seller to sell from her own website or otherwise run her business independently of our platform, such as Bigcommerce, and Shopify.

We compete to attract, engage, and retain Etsy sellers based on many factors, including:

• our brand awareness;

• the extent to which our tools and services can ease the administrative tasks that an Etsy seller might encounter in running her business;

• the global scale of our marketplace and the breadth of our online presence;

• the number and engagement of Etsy buyers;

• our seller education resources and tools;

• our policies and fees;

• the ability to scale her business, including through Pattern or with a production partner;

• our mobile apps;

• the strength of our community; and

• our mission.

In addition, we compete with retailers for the attention of the Etsy buyer. An Etsy buyer has the choice of shopping with any online or offline retailer, including large e-commerce marketplaces, such as Amazon, eBay or Alibaba, national retail chains, such as West Elm or Target, local consignment and vintage stores, social commerce channels like Instagram, event-driven platforms and vertical experiences like Zola and Wayfair, and other venues or marketplaces. Many of these competitors offer low-cost or free shipping, fast shipping times, favorable return policies, and other features that may be difficult or impossible for Etsy sellers to match.

We compete to attract, engage, and retain Etsy buyers based on many factors, including:

• the breadth of unique goods that Etsy sellers list in our marketplace;

• the ease of finding the special item a buyer is looking for;

• our brand awareness;

• the person-to-person commerce experience;

• customer service;

• our reputation for trustworthiness;

• our mobile apps;

• the availability of fair and free shipping offered by Etsy sellers;

• ease of payment; and

• the availability and reliability of our platform.

Many of our competitors and potential competitors have longer operating histories, greater resources, better name recognition, or more customers than we do.

They may invest more to develop and promote their services than we do, and they may offer lower fees to sellers than we do. Additionally, we believe that it is relatively easy for new businesses to create online commerce offerings or tools or services that enable entrepreneurship.

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Local companies or more established companies based in markets where we operate outside of the United States may also have a better understanding of local customs, providing them a competitive advantage. For example, in certain markets outside the United States, we compete with smaller, but similar, local online marketplaces with a focus on unique goods that are attempting to attract sellers and buyers in those markets.

If we are unable to compete successfully, or if competing successfully requires us to expend significant resources in response to our competitors’ actions, our business could be adversely affected.

We rely on Etsy sellers to provide a fulfilling experience to Etsy buyers.

A small portion of Etsy buyers complain to us about their experience with our platform. For example, Etsy buyers may report that they have not received the items that they purchased, that the items received were not as represented by an Etsy seller or that an Etsy seller has not been responsive to their questions.

Negative publicity and sentiment generated as a result of these types of complaints could reduce our ability to attract and retain Etsy sellers and Etsy buyers or damage our reputation. A perception that our levels of responsiveness and support for Etsy sellers and Etsy buyers are inadequate could have similar results. In some situations, we may choose to reimburse Etsy buyers for their purchases to help avoid harm to our reputation, but we may not be able to recover the funds we expend for those reimbursements. Although we are focused on enhancing customer service, our efforts may be unsuccessful and Etsy sellers and Etsy buyers may be disappointed in their Etsy experience and not return.

Anything that prevents the timely processing of orders or delivery of goods to Etsy buyers could harm Etsy sellers. Service interruptions and delivery delays may be caused by events that are beyond the control of Etsy sellers, such as interruptions in order or payment processing, transportation disruptions, natural disasters, inclement weather, terrorism, public health crises, or political unrest. Disruptions in the operations of a substantial number of Etsy sellers could also result in negative experiences for a substantial number of Etsy buyers, which could harm our reputation and adversely affect our business.

Our reputation may be harmed if members of our community use illegal or unethical business practices.

Our emphasis on our mission and guiding principles makes our reputation particularly sensitive to allegations of illegal or unethical business practices by Etsy sellers or other members of our community. Our policies promote legal and ethical business practices, such as encouraging Etsy sellers to work only with manufacturers who do not use child or involuntary labor, who do not discriminate, and who promote sustainability and humane working conditions. However, we do not control Etsy sellers or other members of our community or their business practices and cannot ensure that they comply with our policies. If members of our community engage in illegal or unethical business practices or are perceived to do so, we may receive negative publicity and our reputation may be harmed.

Our business depends on network and mobile infrastructure provided by third parties and on our ability to maintain and scale the technology underlying our platform.

The reliability of our platform is important to our reputation and our ability to attract and retain Etsy sellers and Etsy buyers. As the number of Etsy sellers and Etsy buyers, volume of traffic, number of transactions, and the amount of information shared on our platform grow, our need for additional network capacity and computing power will also grow. The operation of the technology underlying our platform is expensive and complex, and we could experience operational failures. If we fail to accurately predict the rate or timing of the growth of our platform, we may be required to incur significant additional costs to maintain reliability. The investments we make in our platform are designed to grow our business and to improve our operating results in the long term, but these investments could also delay our ability to achieve profitability or reduce profitability in the near term.

We also depend on the development and maintenance of the internet, cloud and mobile infrastructure, and increasingly rely on the availability, features, cost, and reliability of third-party service providers and platforms. For example, this includes maintenance of reliable internet and mobile networks with the necessary speed, data capacity, and security, as well as timely development of complementary products.

Third-party providers host much of our technology infrastructure and are likely to host more in the future. Any disruption in their services, or any failure of our providers to handle the demands of our marketplace could significantly harm our business. We exercise little control over these providers, which increases our vulnerability to their financial conditions and to problems with the services they provide, such as security concerns. Our efforts to update our infrastructure may not be successful or may take longer than anticipated. If we experience failures in our technology infrastructure or do not expand our technology

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infrastructure successfully, then our ability to attract and retain Etsy sellers and Etsy buyers could be adversely affected, which could harm our growth prospects and our business.

We will rely on Google Cloud for a substantial portion of our computing, storage, data processing, networking, and other services. Any disruption of or interference with our use of the Google Cloud operation would adversely affect our business, financial performance, and growth.

Google Cloud Platform provides a distributed computing infrastructure as a service platform for business operations, and we are in the process of migrating our data centers to Google Cloud, increasing our reliance on cloud infrastructure. As we implement the transition to the cloud, there will be occasional planned or unplanned downtime for our websites and apps and potential site delays, all of which will impact our sellers’ ability to conduct transactions and our buyers’ ability to purchase items. We may also need to divert engineering resources away from other important business operations, which could significantly harm our business and growth. Additionally, if the costs to migrate to Google Cloud are greater than we expect or take significantly more time than we anticipate, our business could be harmed.

Any transition of the cloud services currently provided by Google Cloud to another cloud provider would be difficult to implement and will cause us to incur significant time and expense. Any significant disruption of, or interference with, our use of Google Cloud would negatively impact our operations and our business would be seriously harmed. In addition, if hosting costs increase over time and if we require more computing or storage capacity, our costs could increase disproportionately. If we are unable to grow our revenues faster than the cost of utilizing the services of Google or similar providers, our business and financial condition could be adversely affected.

We may be subject to claims that items listed in our marketplace are counterfeit, infringing or illegal.

Although we do not create or take possession of the items listed in our marketplace by Etsy sellers, we frequently receive communications alleging that items listed in our marketplace infringe third-party copyrights, trademarks, patents, or other intellectual property rights. We have intellectual property complaint and take-down procedures in place to address these communications, and we believe such procedures are important to promote confidence in our marketplace. We follow these procedures to review complaints and relevant facts to determine the appropriate action, which may include removal of the item from our marketplace and, in certain cases, closing the shops of Etsy sellers who repeatedly violate our policies.

Our procedures may not effectively reduce or eliminate our liability. In particular, we may be subject to civil or criminal liability for activities carried out by Etsy sellers on our platform, especially outside the United States where laws may offer less protection for intermediaries and platforms than the United States. Under current U.S. copyright law and the Communications Decency Act, we may benefit from statutory safe harbor provisions that protect us from copyright liability for content posted on our platform by Etsy sellers and Etsy buyers. However, trademark and patent laws do not include similar statutory provisions, and liability for these forms of intellectual property is often determined by court decisions. These safe harbors and court rulings may change unfavorably. In that event, we may be held secondarily liable for the intellectual property infringement of Etsy sellers.

Regardless of the validity of any claims made against us, we may incur significant costs and efforts to defend against or settle them. If a governmental authority determines that we have aided and abetted the infringement or sale of counterfeit goods or if legal changes result in us potentially being liable for actions by Etsy sellers on our platform, we could face regulatory, civil, or criminal penalties. Successful claims by third-party rights owners could require us to pay substantial damages or refrain from permitting any further listing of the relevant items. These types of claims could force us to modify our business practices, which could lower our revenue, increase our costs or make our platform less user-friendly. Moreover, public perception that counterfeit or other unauthorized items are common in our marketplace, even if factually incorrect, could result in negative publicity and damage to our reputation.

Our business and our Etsy sellers and Etsy buyers may be subject to sales and other taxes.

The application of indirect taxes, such as sales and use tax, value-added tax, provincial taxes, goods and services tax, business tax, withholding tax, digital service tax, and gross receipt tax, to businesses like ours and to Etsy sellers and Etsy buyers is a complex and evolving issue. Significant judgment is required to evaluate applicable tax obligations and as a result amounts recorded are estimates and are subject to adjustments. In many cases, the ultimate tax determination is uncertain because it is not clear when and how new and existing statutes might apply to our business or to Etsy sellers’ businesses. If Etsy is found to be deficient in how it has addressed its tax obligations, our business could be adversely impacted.

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One or more states, the federal government, or other countries are seeking to, or have recently imposed additional reporting, record-keeping, or indirect tax collection and remittance obligations on businesses like ours that facilitate online commerce. If requirements like these become applicable in additional jurisdictions, our business could be harmed. For example, taxing authorities in certain U.S. states and in other countries have identified e-commerce platforms as a means to calculate, collect, and remit indirect taxes for transactions taking place over the internet, and are considering related legislation. Additionally, the Supreme Court’s recent decision in South Dakota v. Wayfair, Inc. et al overturned existing law that sellers are not required to collect sales and use tax unless they have a physical presence in the buyer’s state. As a result of the Wayfair decision, states or the federal government may adopt, or begin to enforce laws requiring Etsy sellers to calculate, collect, and remit taxes on their sales. Such changes to current law or new legislation could adversely affect our business if the requirement of tax to be charged on items sold on Etsy causes our marketplace to be less attractive to current and prospective Etsy buyers, which could materially impact our business, financial performance, and growth. Additionally, new legislation could require us or Etsy sellers to incur substantial costs in order to comply, including costs associated with tax calculation, collection, remittance, and audit requirements, which could make selling in our marketplace less attractive.

Our business is subject to a large number of U.S. and non-U.S. laws, many of which are evolving.

We are subject to a variety of laws and regulations in the United States and around the world, including those relating to traditional businesses, such as employment laws and taxation, and laws and regulations focused on ecommerce and online marketplaces, such as online payments, privacy, anti-spam, data security and protection, online platform liability, intellectual property, and consumer protection. In light of our international operations, we need to comply with various laws associated with doing business outside of the United States, including anti-money laundering, sanctions, anti-corruption, and export control laws. In some cases, non-U.S. privacy, data security, consumer protection, e-commerce, and other laws and regulations are more detailed than those in the United States and, in some countries, are actively enforced.

These laws and regulations are continuously evolving, and compliance is costly and can require changes to our business practices and significant management time and effort.

Additionally, it is not always clear how existing laws apply to online marketplaces as many of these laws do not address the unique issues raised by online marketplaces or ecommerce. For example, as described elsewhere in these Risk Factors, laws relating to privacy are evolving differently in different jurisdictions. Federal, state, and non-U.S. governmental authorities, as well as courts interpreting the laws, continue to evaluate and assess the privacy requirements that are applicable to Etsy.

Some providers of consumer devices and web browsers have implemented, or have announced plans to implement, ways to block tracking technologies which, if widely adopted, could also result in online tracking methods becoming significantly less effective. Any reduction in our ability to make effective use of such technologies could harm our ability to personalize the experience of Etsy buyers, increase our costs and limit our ability to attract and retain Etsy sellers and Etsy buyers on cost-effective terms. As a result, our business could be adversely affected.

Existing and future laws and regulations enacted by federal, state, or non-U.S. governments or the inconsistent enforcement of such laws and regulations could impede the growth of ecommerce or online marketplaces, which could have a negative impact on our business and operations. Examples include data localization requirements, limitation on marketplace scope or ownership, intellectual property intermediary liability rules, regulation of online speech, limits on network neutrality, and rules related to security, privacy, or national security, which may impede Etsy or our users. We could also face regulatory challenges or be subject to discriminatory or anti-competitive practices that could impede both our and Etsy sellers’ growth prospects, increase our costs, and harm our business.

We strive to comply with all applicable laws, but they may conflict with each other, and by complying with the laws or regulations of one jurisdiction, we may find that we are violating the laws or regulations of another jurisdiction. Despite our efforts, we may not have fully complied in the past and may not in the future. If we become liable under laws or regulations applicable to us, we could be required to pay significant fines and penalties, our reputation may be harmed and we may be forced to change the way we operate. That could require us to incur significant expenses or to discontinue certain services, which could negatively affect our business.

Additionally, if third parties with whom we work violate applicable laws or our policies, those violations could result in other liabilities for us and could harm our business. Furthermore, the circumstances in which we may be held liable for the acts, omissions or responsibilities of our sellers is uncertain, complex, and evolving. For example, certain laws have recently been enacted seeking to hold marketplaces like ours responsible for certain compliance obligations for which sellers have traditionally been responsible. If an increasing number of such laws are passed, the resulting compliance costs and potential liability risk could negatively impact our business.

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Our software is highly complex and may contain undetected errors.

The software underlying our platform is highly interconnected and complex and may contain undetected errors or vulnerabilities, some of which may only be discovered after the code has been released. We rely heavily on a software engineering practice known as “continuous deployment,” meaning that we typically release software code many times per day. This practice may result in the more frequent introduction of errors or vulnerabilities into the software underlying our platform, which can impact the user experience on Etsy.com. Additionally, due to the interconnected nature of the software underlying our platform, updates to certain parts of our code, including changes to Etsy or third party APIs on which Etsy relies, could have an unintended impact on other sections of our code, which may result in errors or vulnerabilities to our platform that negatively impact the user experience and functionality of our marketplace. Any errors or vulnerabilities discovered in our code after release could result in damage to our reputation, loss of our community members, loss of revenue or liability for damages, any of which could adversely affect our growth prospects and our business.

Our business depends on continued and unimpeded access to the internet and mobile networks.

Etsy sellers and Etsy buyers rely on access to the internet or mobile networks to access our marketplace. Internet service providers may choose to disrupt or degrade access to our platform or increase the cost of such access. Mobile network operators or operating system providers could block or place onerous restrictions on the ability to download and use our mobile apps.

Internet service providers or mobile network operators could also attempt to charge us for providing access to our platform. In addition, we could face discriminatory or anticompetitive practices that could impede both our and Etsy sellers’ growth prospects, increase our costs, and harm our business. In 2015, rules approved by the Federal Communications Commission (“FCC”) went into effect that prohibited internet service providers from charging content providers higher rates in order to deliver their content over certain “fast traffic” lanes; however, those rules were repealed in June 2018. This repeal may make it more difficult or costly for many small businesses such as our community of sellers, as well as our buyers, to access our platform and may result in increased costs for us, which could significantly harm our business, and the millions of microbusinesses that utilize our platform. We, along with other companies and public interest groups, are challenging this repeal in the courts, but these efforts may not be successful and may be costly.

Outside of the United States, it is possible that governments of one or more countries may seek to censor content available on our platform or may even attempt to block access to our platform. If we are restricted from operating in one or more countries, our ability to attract and retain Etsy sellers and Etsy buyers may be adversely affected and we may not be able to grow our business as we anticipate.

Our business could be negatively affected as a result of actions of activist stockholders.

The actions of activist stockholders could adversely affect our business. Specifically, responding to common actions of an activist stockholder, such as requests for special meetings, potential nominations of candidates for election to our Board of Directors, requests to pursue a strategic combination, or other transaction or other special requests, could disrupt our operations, be costly and time-consuming, or divert the attention of our management and employees. In addition, perceived uncertainties as to our future direction in relation to the actions of an activist stockholder may result in the loss of potential business opportunities or the perception that we are unstable as a company, which may make it more difficult to attract and retain qualified employees. Actions of an activist stockholder may also cause fluctuations in our stock price based on speculative market perceptions or other factors that do not necessarily reflect the underlying fundamentals and prospects of our business.

We may be subject to intellectual property claims, which are extremely costly to defend, could require us to pay significant damages, and could limit our ability to use certain technologies in the future.

Companies in the internet and technology industries are frequently subject to litigation based on allegations of infringement or other violations of intellectual property rights. We periodically receive communications that claim we have infringed, misappropriated, or misused others’ intellectual property rights. To the extent we gain greater public recognition, we may face a higher risk of being the subject of intellectual property claims. Third-parties may have intellectual property rights that cover significant aspects of our technologies or business methods and prevent us from expanding our offerings. Third parties may also allege a company is secondarily liable for intellectual property infringement, or that it is a joint infringer with another party. Any intellectual property claim against us, with or without merit, could be time consuming and expensive to settle or litigate and could divert the attention of our management. Litigation regarding intellectual property rights is inherently uncertain due to the complex issues involved, and we may not be successful in defending ourselves in such matters. In addition,

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some of our competitors have extensive portfolios of issued patents. Many potential litigants, including some of our competitors and patent holding companies, have the ability to dedicate substantial resources to enforcing their intellectual property rights. Any claims successfully brought against us could subject us to significant liability for damages and we may be required to stop using technology or other intellectual property alleged to be in violation of a third party’s rights in one or more jurisdictions where Etsy does business. We also might be required to seek a license for third-party intellectual property. Even if a license is available, we could be required to pay significant royalties or submit to unreasonable terms, which would increase our operating expenses. We may also be required to develop alternative non-infringing technology, which could require significant time and expense. If we cannot license or develop technology for any allegedly infringing aspect of our business, we would be forced to limit our service and may be unable to compete effectively. Any of these results could harm our business.

We may be unable to protect our intellectual property adequately.

Our intellectual property is an essential asset of our business. To establish and protect our intellectual property rights, we rely on a combination of trade secret, copyright, trademark, and patent laws, as well as confidentiality procedures and contractual provisions. The efforts we have taken to protect our intellectual property may not be sufficient or effective. We generally do not elect to register our copyrights, relying instead on the laws protecting unregistered intellectual property, which may not be sufficient. We rely on both registered and unregistered trademarks, which may not always be comprehensive in scope. In addition, our copyrights and trademarks, whether or not registered, and patents may be held invalid or unenforceable if challenged, and may be of limited territorial reach. While we have obtained or applied for patent protection with respect to some of our intellectual property, we generally do not rely on patents as a principal means of protecting intellectual property. To the extent we do seek patent protection, any U.S. or other patents issued to us may not be sufficiently broad to protect our proprietary technologies.

In addition, we may not be effective in policing unauthorized use of our intellectual property and authorized uses may not have the intended effect. Even if we do detect violations, we may need to engage in litigation to enforce our intellectual property rights. Any enforcement efforts we undertake, including litigation, could be time-consuming and expensive and could divert our management’s attention. In addition, our efforts may be met with defenses and counterclaims challenging the validity and enforceability of our intellectual property rights or may result in a court determining that our intellectual property rights are unenforceable. The legal framework surrounding protection of intellectual property changes frequently throughout the world, and these changes may impact our ability to protect our intellectual property and defend against third party claims. If we are unable to cost-effectively protect our intellectual property rights, then our business could be harmed.

We are subject to the terms of open source licenses because our platform incorporates open source software.

The software powering our marketplace incorporates software covered by open source licenses. In addition, we regularly contribute source code to open source software projects and release internal software projects under open source licenses, and we anticipate doing so in the future. The terms of many open source licenses relied upon by Etsy and the internet and technology industries have been interpreted by only a few court decisions and there is a risk that the licenses could be construed in a manner that imposes unanticipated conditions or restrictions on our ability to operate our marketplace. Under certain open source licenses, if certain conditions were met, we could be required to publicly release aspects of the source code of our software or to make our software available under open source licenses. To avoid the public release of the affected portions of our source code, we could be required to expend substantial time and resources to re-engineer some or all of our software. In addition, use of open source software can lead to greater risks than use of third-party commercial software because open source licensors generally do not provide warranties or controls on the origin of the software. Use of open source software may also present additional security risks because the public availability of such software may make it easier for hackers and other third parties to determine how to compromise our platform. Additionally, because any software source code we contribute to open source projects is publicly available, while we may benefit from the contributions of others, our ability to protect our intellectual property rights in such software source code may be limited or lost entirely, and we will be unable to prevent our competitors or others from using such contributed software source code. Any of these risks could be difficult to eliminate or manage and, if not addressed, could adversely affect our business, financial performance and growth.

We may experience fluctuations in our tax obligations and effective tax rate.

We are subject to taxation in the United States and in numerous other jurisdictions. We record tax expense based on current tax payments and our estimates of future tax payments, which may include reserves for estimates of probable settlements of tax audits. At any one time, multiple tax years could be subject to audit by various taxing jurisdictions. As a result, we could be subject to higher than anticipated tax liabilities as well as ongoing variability in our quarterly tax rates as audits close and exposures are re-evaluated. Further, our effective tax rate in a given financial statement period may be adversely impacted by

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changes in tax laws, changes in the mix of revenue among different jurisdictions, changes to accounting rules, and changes to our ownership or capital structure. Fluctuations in our tax obligations and effective tax rate could adversely affect our business.

In December 2017, the U.S. government enacted comprehensive tax legislation that includes significant changes to the taxation of business entities. These changes include, among others, (1) a permanent reduction to the corporate income tax rate, (2) a partial limitation on the deductibility of business interest expense, (3) a shift of the U.S. taxation of multinational corporations from a tax on worldwide income to a quasi-territorial system (along with certain rules designed to prevent erosion of the U.S. income tax base), and (4) a one-time tax on accumulated offshore earnings held in cash and illiquid assets, with the latter taxed at a lower rate. Notwithstanding the reduction in the corporate income tax rate, the overall impact of this tax reform is uncertain, and our business and financial condition could be adversely affected.

In January 2015, we implemented a revised corporate structure to more closely align our structure with our global operations and future expansion plans outside of the United States. Our new corporate structure changed how we use our intellectual property and implemented certain intercompany arrangements. We believe this may result in a reduction in our overall effective tax rate over the long term and other operational efficiencies; however, the tax laws of the jurisdictions in which we operate are subject to interpretation, and their application may depend on our ability to operate our business in a manner consistent with our corporate structure. Moreover, these tax laws are subject to change. Tax authorities may disagree with our position as to the tax treatment of our transfer of intangible assets or determine that the manner in which we operate our business does not achieve the intended tax consequences. If our new corporate structure does not achieve our expectations for any of these or other reasons, we may be subject to a higher overall effective tax rate and our business may be adversely affected.

We may be involved in litigation matters that are expensive and time consuming.

In addition to intellectual property claims, we may become involved in other litigation matters, including class action lawsuits. For example, as described further in “Note 14—Commitments and Contingencies—Legal Proceedings” in the Notes to Consolidated Financial Statements, a purported securities class action lawsuit was recently dismissed that named Etsy and certain of our officers and/or directors as defendants. Under certain circumstances, we have contractual and other legal obligations to indemnify and to incur legal expenses on behalf of current and former directors, officers, and underwriters. Any lawsuit to which we are a party, with or without merit, may result in an unfavorable judgment. We also may decide to settle lawsuits on unfavorable terms. Any such negative outcome could result in payments of substantial damages or fines, damage to our reputation, or adverse changes to our offerings or business practices. Any of these results could adversely affect our business. In addition, defending claims is costly and can impose a significant burden on our management.

We may expand our business through acquisitions of other businesses, which may divert management’s attention and/or prove to be unsuccessful.

We have acquired a number of other businesses in the past and may acquire additional businesses or technologies in the future. Acquisitions may divert management’s time and focus from operating our business. Acquisitions also may require us to spend a substantial portion of our available cash, issue stock, incur debt or other liabilities, amortize expenses related to intangible assets, or incur write-offs of goodwill or other assets. In addition, integrating an acquired business or technology is risky. Completed and future acquisitions may result in unforeseen operational difficulties and expenditures associated with:

• integrating new businesses and technologies into our infrastructure;

• consolidating operational and administrative functions;

• coordinating outreach to our community;

• maintaining morale and culture and retaining and integrating key employees;

• maintaining or developing controls, procedures and policies (including effective internal control over financial reporting and disclosure controls and procedures); and

• assuming liabilities related to the activities of the acquired business before and after the acquisition, including liabilities for violations of laws and regulations, commercial disputes, cyber attacks, taxes, and other matters.

Moreover, we may not benefit from our acquisitions as we expect, or in the time frame we expect. We also may issue additional equity securities in connection with an acquisition, which could cause dilution to our stockholders. Finally, acquisitions could be viewed negatively by analysts, investors or the members of our community.

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If our insurance coverage is insufficient or our insurers are unable to meet their obligations, our insurance may not mitigate the risks facing our business.

Our insurance policies cover a number of risks and potential liabilities, such as general liability, property coverage, errors, and omissions liability, employment liability, business interruptions, data breaches, crime, product liability, and directors’ and officers’ liability. For certain types of business risk, we may not be able to, or may choose not to, acquire insurance. In addition, our insurance may not adequately mitigate the risks we face or we may have to pay high premiums and/or deductibles for the coverage we do obtain. Additionally, if any of our insurers becomes insolvent, it would be unable to pay any claims that we make.

The growth of our business may strain our management team and our operational and financial infrastructure.

We have experienced rapid growth in our business, in the number of Etsy sellers and the number of countries in which we have Etsy sellers and Etsy buyers, and we plan to continue to grow in the future, both in the United States and abroad. The growth of our business places significant demands on our management team and pressure to expand our operational and financial infrastructure. For example, we may need to continue to develop and improve our operational, financial, and management controls and enhance our reporting systems and procedures. If we do not manage our growth effectively, the increases in our operating expenses could outpace any increases in our revenue and our business could be harmed.

Operating as a public company requires us to incur substantial costs and requires substantial management attention.

As a public company, we incur substantial legal, accounting, and other expenses that we did not incur as a private company. For example, we are subject to the reporting requirements of the Exchange Act, the applicable requirements of the Sarbanes-Oxley Act of 2002, (“the Sarbanes-Oxley Act”), and the Dodd-Frank Wall Street Reform and Consumer Protection Act and the rules and regulations of the Securities and Exchange Commission (“SEC”). The rules and regulations of the Nasdaq Global Select Market (“Nasdaq”) also apply to us. As part of these requirements, we have established and maintained effective disclosure and financial controls and made changes to our corporate governance practices. Continued compliance with these requirements may increase our legal and financial compliance costs in the future and may make some activities more time-consuming. In addition, as described elsewhere in these Risk Factors, as a public company, we may be subject to stockholder activism, which can lead to additional substantial costs, distract management, and impact the manner in which we operate our business in ways we cannot currently anticipate.

If we are unable to maintain effective internal control over financial reporting, investors may lose confidence in the accuracy of our financial reports.

As a public company, we are required to maintain internal control over financial reporting and to report any material weaknesses in such internal controls. Section 404 of the Sarbanes-Oxley Act requires that we evaluate and determine the effectiveness of our internal control over financial reporting. It also requires our independent registered public accounting firm to attest to our evaluation of our internal controls over financial reporting. Although our management has determined, and our independent registered public accounting firm has attested, that our internal control over financial reporting was effective as of December 31, 2018, we cannot assure you that we or our independent registered public accounting firm will not identify a material weakness in our internal control in the future.

If we have a material weakness in our internal control over financial reporting in the future, we may not detect errors on a timely basis. If we are not able to comply with the requirements of Section 404 of the Sarbanes-Oxley Act, or if we identify a material weakness in our internal control over financial reporting in the future, it could harm our operating results, cause us to fail to meet our SEC reporting obligations or Nasdaq listing requirements, adversely affect our reputation, cause our stock price to decline, or result in inaccurate financial reporting or material misstatements in our annual or interim financial statements. Further, if there are material weaknesses or failures in our ability to meet any of the requirements related to the maintenance and reporting of our internal controls, such as Section 404 of the Sarbanes-Oxley Act, investors may lose confidence in the accuracy and completeness of our financial reports and that could cause the price of our common stock to decline. We could become subject to investigations by Nasdaq, the SEC or other regulatory authorities, which could require additional management attention and which could adversely affect our business.

In addition, our internal control over financial reporting will not prevent or detect all errors and fraud. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud will be detected.

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We have a significant amount of debt and may incur additional debt in the future. We may not have sufficient cash flow from our business to pay our substantial debt when due.

Our ability to pay our debt when due or to refinance our indebtedness, including the 0% Convertible Senior Notes due 2023 we issued in March 2018, (the “Notes”), depends on our future performance, which is subject to economic, financial, competitive, and other factors beyond our control. Our business may not continue to generate cash flow from operations in the future sufficient to service our debt and make necessary capital expenditures. In addition, any required repurchase of the Notes for cash as a result of a fundamental change would lower our current cash on hand such that we would not have those funds available for us in our business. If we are unable to generate such cash flow, we may be required to adopt one or more alternatives, such as selling assets, restructuring debt or obtaining additional equity capital on terms that may be onerous or highly dilutive. Our ability to refinance our indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in any of these activities or engage in these activities on desirable terms, which could result in a default on our debt obligations. 

In addition, we and our subsidiaries may be able to incur substantial additional debt in the future, subject to the restrictions contained in our debt instruments, some of which may be secured debt. If, for example, we incur additional debt, secure existing or future debt or recapitalize our debt, these actions may diminish our ability to make payments on our substantial debt when due.

The accounting method for convertible debt securities that may be settled in cash, such as the Notes, could have a material effect on our reported financial results.

In May 2008, the Financial Accounting Standards Board (“FASB”) issued FASB Staff Position No. APB 14-1, Accounting for Convertible Debt Instruments That May Be Settled in Cash Upon Conversion (Including Partial Cash Settlement), which has subsequently been codified as Accounting Standards Codification 470-20—Debt with Conversion and Other Options, (“ASC 470-20”). Under ASC 470-20, an entity must separately account for the liability and equity components of the convertible debt instruments (such as the Notes) that may be settled entirely or partially in cash upon conversion in a manner that reflects the issuer’s economic interest cost. The effect of ASC 470-20 on the accounting for the Notes is that the equity component is required to be included in the additional paid-in capital section of stockholders’ equity on our Consolidated Balance Sheet, and the value of the equity component would be treated as original issue discount for purposes of accounting for the debt component of the Notes. As a result, we will be required to record a greater amount of non-cash interest expense in current periods presented as a result of the amortization of the discounted carrying value of the Notes to their face amount over the term of the Notes. We will report lower net income in our financial results because ASC 470-20 will require interest to include both the current period’s amortization of the debt discount and the instrument’s coupon interest, which could adversely affect our reported or future financial results, the trading price of our common stock and the trading price of the Notes.

In addition, under certain circumstances, convertible debt instruments (such as the Notes) that may be settled entirely or partly in cash are currently accounted for utilizing the treasury stock method, the effect of which is that the shares issuable upon conversion of the Notes are not included in the calculation of diluted earnings per share except to the extent that the conversion value of the Notes exceeds their principal amount. Under the treasury stock method, for diluted earnings per share purposes, the transaction is accounted for as if the number of shares of common stock that would be necessary to settle such excess, if we elected to settle such excess in shares, are issued. We cannot be sure that the accounting standards in the future will continue to permit the use of the treasury stock method. If we are unable to use the treasury stock method in accounting for the shares issuable upon conversion of the Notes, then our diluted earnings per share would be adversely affected.

The terms of our debt instruments may restrict our ability to pursue our business strategies.

We do not currently have any obligations outstanding under our credit facility. However, our credit facility requires us to comply with various covenants that limit our ability to take actions such as:

• disposing of assets;

• completing mergers or acquisitions;

• incurring additional indebtedness;

• encumbering our properties or assets;

• paying dividends or making other distributions;

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• making specified investments; and

• engaging in transactions with our affiliates.

These restrictions could limit our ability to pursue our business strategies. If we default under our credit facility and if the default is not cured or waived, the lenders could terminate their commitments to lend to us and cause any amounts outstanding to be payable immediately. Such a default could also result in cross defaults under other debt instruments. Moreover, any such default would limit our ability to obtain additional financing, which may have an adverse effect on our cash flow and liquidity.

We may need additional capital, which may not be available to us on acceptable terms or at all.

We believe that our existing cash and cash equivalents and short-term investments, together with cash generated from operations will be enough to meet our anticipated cash needs for at least the next 12 months. However, we may require additional cash resources due to changes in business conditions or other developments, such as acquisitions or investments we may decide to pursue. We may seek to borrow funds under our credit facility or sell additional equity or debt securities. The sale of additional equity or convertible debt securities could result in dilution to our existing stockholders. Any debt financing that we may secure in the future could result in additional operating and financial covenants that would limit or restrict our ability to take certain actions, such as incurring additional debt, making capital expenditures or declaring dividends. It is also possible that financing may not be available to us in amounts or on terms acceptable to us, if at all.

Risks Related to Ownership of Our Common Stock

The price of our common stock has been and will likely continue to be volatile and declines in the price of common stock could subject us to litigation.

The price of our common stock has been and is likely to continue to be volatile. For example, since January 1, 2018, our common stock’s daily closing price on Nasdaq has ranged from a low of $17.73 to a high of $57.43 through February 21, 2019. The price of our common stock may fluctuate significantly for numerous reasons, many of which are beyond our control, such as:

• variations in our operating results and other financial and operational metrics, including the key financial and operating metrics disclosed in this Annual Report, as well as how those results and metrics compare to analyst and investor expectations;

• forward-looking statements related to our financial guidance or projections, our failure to meet or exceed our financial guidance or projections or changes in our financial guidance or projections;

• failure of analysts to initiate or maintain coverage of our company, changes in their estimates of our operating results or changes in recommendations by analysts that follow our common stock or a negative view of our financial guidance or projections and our failure to meet or exceed the estimates of such analysts;

• announcements of new services or enhancements, strategic alliances or significant agreements or other developments by us or our competitors;

• announcements by us or our competitors of mergers or acquisitions or rumors of such transactions involving us or our competitors;

• the amount and timing of our operating expenses and the success of any cost-savings actions we take;

• changes in our Board of Directors or senior management team;

• disruptions in our marketplace due to hardware, software or network problems, security breaches, or other issues;

• the strength of the global economy or the economy in the jurisdictions in which we operate, currency fluctuations, and market conditions in our industry and those affecting members of our community;

• the trading activity of our largest stockholders;

• the number of shares of our common stock that are available for public trading;

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• litigation or other claims against us;

• stockholder activism;

• the performance of the equity markets in general and in our industry;

• the operating performance of other similar companies;

• changes in legal requirements relating to our business; and

• any other factors discussed in this Annual Report.

In addition, if the market for technology stocks or the stock market in general experiences a loss of investor confidence, the price of our common stock could decline for reasons unrelated to our business, financial performance, or growth. Stock prices of many internet and technology companies have historically been highly volatile. Some companies that have experienced volatility in the trading price of their stock have been the subject of securities class action litigation. We have experienced securities class action lawsuits in the past and may experience more such litigation following future periods of volatility or declines in our stock price. Any securities litigation, could result in substantial costs and divert our management’s attention and resources, which could adversely affect our business.

If analysts do not publish research about our business, or if they publish inaccurate or unfavorable research, our stock price and trading volume could decline.

The trading market for our common stock depends in part on the research and reports that analysts publish about our business. We do not have any control over these analysts. If one or more of the analysts who cover us downgrade our common stock or publish inaccurate or unfavorable research about our business, the price of our common stock would likely decline. If few analysts cover us, demand for our common stock could decrease and our common stock price and trading volume may decline. Similar results may occur if one or more of these analysts stop covering us in the future or fail to publish reports on us regularly.

Our stock repurchases may not achieve the desired objectives.

In November 2018, our Board of Directors approved a stock repurchase program authorizing us to repurchase up to $200 million of our common stock. Previously, in November 2017, our Board of Directors approved a stock repurchase program authorizing us to repurchase up to $100 million of our common stock, which we completed in the second quarter of 2018. There can be no assurance that these stock repurchases will enhance stockholder value because the market price of our common stock may decline below the levels at which we repurchased such shares. In addition, there is no guarantee that our stock repurchases in the past or in the future will be able to successfully mitigate the dilutive effect of recent and future employee stock option exercises and restricted stock vesting.

We do not intend to pay dividends on our capital stock, so any returns will be limited to increases in the value of our common stock.

We have never declared or paid any cash dividends on our capital stock. We currently anticipate that we will retain future earnings for the operation and expansion of our business and do not anticipate declaring any dividends in the foreseeable future. In addition, our ability to pay cash dividends on our capital stock is restricted by the terms of our credit facility. As a result, stockholders will not receive dividends or other distributions and may only receive a return on their investment if the trading price of our common stock increases.

Future sales and issuances of our common stock or rights to purchase common stock could result in additional dilution to our stockholders and could cause the price of our common stock to decline.

We may issue additional common stock, convertible securities, or other equity in the future. We also issue common stock to our employees, directors, and other service providers pursuant to our equity incentive plans. Such issuances could be dilutive to investors and could cause the price of our common stock to decline. New investors in such issuances could also receive rights senior to those of current stockholders.

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Anti-takeover provisions in our charter documents and under Delaware law could make an acquisition of our company more difficult, could limit attempts to make changes in our management and could depress the price of our common stock.

Provisions in our certificate of incorporation and bylaws may have the effect of delaying or preventing a change in control of our company or limiting changes in our management. Among other things, these provisions:

• provide for a classified board of directors so that not all members of our Board of Directors are elected at one time;

• permit our Board of Directors to establish the number of directors and fill any vacancies and newly created directorships;

• provide that directors may only be removed for cause;

• require super-majority voting to amend some provisions in our certificate of incorporation and bylaws;

• authorize the issuance of “blank check” preferred stock that our Board of Directors could use to implement a stockholder rights plan;

• eliminate the ability of our stockholders to call special meetings of stockholders;

• prohibit stockholder action by written consent, which means all stockholder actions must be taken at a meeting of our stockholders;

• provide that our Board of Directors is expressly authorized to amend or repeal any provision of our bylaws;

• restrict the forum for certain litigation against us to Delaware; and

• require advance notice for nominations for election to our Board of Directors or for proposing matters that can be acted upon by stockholders at annual stockholder meetings.

These provisions may delay or prevent attempts by our stockholders to replace members of our management by making it more difficult for stockholders to replace members of our Board of Directors, which is responsible for appointing the members of our management. In addition, Section 203 of the Delaware General Corporation Law (“DGCL”) may delay or prevent a change in control of our company. Section 203 of the DGCL imposes certain restrictions on mergers, business combinations and other transactions between us and holders of 15% or more of our common stock. Anti-takeover provisions could depress the price of our common stock by acting to delay or prevent a change in control of our company.

Our certificate of incorporation provides that the Court of Chancery of the State of Delaware is the exclusive forum for substantially all disputes between us and our stockholders, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers or employees.

Our certificate of incorporation provides that the Court of Chancery of the State of Delaware is the exclusive forum for any derivative action or proceeding brought on our behalf, any action asserting a breach of fiduciary duty, any action asserting a claim against us arising pursuant to the DGCL, our certificate of incorporation or our bylaws or any action asserting a claim against us that is governed by the internal affairs doctrine. This choice of forum provision may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or our directors, officers or other employees and may discourage these types of lawsuits. Alternatively, if a court were to find the choice of forum provision contained in our certificate of incorporation to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions.

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Item 1B. Unresolved Staff Comments.

None.

Item 2. Properties.

Our headquarters are located in Brooklyn, New York where we occupy approximately 198,635 square feet under a lease that expires in 2026. We use these facilities for our principal administration, technology and development and engineering activities. Our European headquarters are located in Dublin, Ireland.

We believe that our current facilities are suitable and adequate to meet our ongoing needs and that, if we require additional space, we will be able to obtain additional facilities.

Item 3. Legal Proceedings.

See “Note 14—Commitments and Contingencies—Legal Proceedings” in the Notes to Consolidated Financial Statements.

Item 4. Mine Safety Disclosures.

Not applicable.

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PART II.

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.

Market for Etsy’s Common Stock

Our common stock has been listed on the Nasdaq Global Select Market under the symbol “ETSY” since April 16, 2015. Prior to that date, there was no public trading market for our common stock.

Holders of Record

As of the close of business on February 21, 2019, there were approximately 168 stockholders of record of our common stock. The number of stockholders of record is based upon the actual number of holders registered on this date and does not include holders of common stock in “street name” by brokers or other entities on behalf of stockholders.

Dividend Policy

We have never declared or paid cash dividends on our capital stock. We intend to retain all available funds and future earnings and do not anticipate paying cash dividends in the foreseeable future. Any future decision to declare cash dividends will be made at the discretion of our Board of Directors, subject to applicable laws and will depend on a number of factors, including our financial condition, results of operations, capital requirements, contractual restrictions, general business conditions, and other factors that our Board of Directors thinks are relevant.

Unregistered Sales of Equity Securities

On September 19, 2016, we issued 685,749 shares of our common stock to the former stockholders of Blackbird Technologies, Inc. (“Blackbird”), a machine learning company, in connection with the acquisition of Blackbird. This transaction was exempt from registration under the Securities Act pursuant to Section 4(a)(2) of the Securities Act and Regulation D.

On May 5, 2016, we issued and sold an aggregate of 80,011 shares of our common stock upon the net exercise of warrants to purchase 97,931 shares of our common stock. The shares of common stock were issued pursuant to Section 3(a)(9) of the Securities Act.

Issuer Purchases of Equity Securities

The table below provides information with respect to repurchases of shares of our common stock during the three months ended December 31, 2018:

Period	Total Number of Shares Purchased	Average Price Paid per Share(2)		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(3)(4)	Approximate Dollar Value of Shares that May Yet be Purchased under the Plans or Programs (in thousands)(3)
October 1 - 31, 2018 (1)	138,695	$	49.96	—	$	—
November 1 - 30, 2018	676,955	47.27		676,955	168,000
December 1 - 31, 2018	239,128	54.37		239,128	155,000
Total	1,054,778	$	49.23	916,083	$	155,000

(1) The total number of shares purchased includes 138,695 shares withheld to satisfy tax withholding obligations in connection with the vesting of employee restricted stock units (“RSUs”).

(2) Average price paid per share excludes broker commissions.

(3) On November 6, 2018, we announced that our Board of Directors had approved a stock repurchase program for the repurchase of up to $200 million of our common stock. The stock repurchase program has no expiration date.

(4) A portion of these shares were purchased pursuant to a 10b5-1 trading plan.

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Performance Graph

The following graph shows a comparison from April 16, 2015 (the date our common stock commenced trading on Nasdaq) through December 31, 2018, of the cumulative total returns for our common stock, the Nasdaq Composite Index and the Russell 2000 Index. The graph assumes $100 was invested at the market close on April 16, 2015 in the common stock of Etsy, Inc. Such returns are based on historical results and are not intended to suggest future performance. The Nasdaq Composite Index and Russell 2000 Index assume reinvestment of any dividends.

This performance graph shall not be deemed “filed” with the SEC for purposes of Section 18 of the Exchange Act, or incorporated by reference into any of our other filings under the Securities Act or the Exchange Act.

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Item 6. Selected Consolidated Financial and Other Data.

The following tables show selected consolidated financial data. The selected Consolidated Statements of Operations data for the years ended December 31, 2018, 2017, and 2016, and the selected Consolidated Balance Sheet data as of December 31, 2018 and 2017, are derived from our audited Consolidated Financial Statements and related notes included elsewhere in this Annual Report on Form 10-K. The selected Consolidated Statement of Operations data for the years ended December 31, 2015 and 2014, and the selected Consolidated Balance Sheets data as of December 31, 2016, 2015, and 2014 is derived from our audited Consolidated Financial Statements and related notes not included in this Annual Report.

The following tables also show certain unaudited operational and non-GAAP financial measures as well as a reconciliation between certain GAAP and non-GAAP measures. The selected consolidated financial data and key metrics should be read together with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our Consolidated Financial Statements and related notes included elsewhere in this Annual Report. See “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Operating and Financial Metrics” for the definitions of the following terms: “active buyer,” “active seller,” “Adjusted EBITDA,” “GMS,” “international GMS,” and “mobile GMS.”

Our historical results and key metrics are not necessarily indicative of future results.

	Year Ended December 31,
	2018			2017		2016			2015			2014
	(in thousands except share and per share amounts)
Consolidated Statements of Operations Data:
Revenue:
Marketplace (1)	$	440,740		$	326,076	$	269,628		$	204,333		$	156,821
Services (1)	158,928			111,869		89,433			64,923			34,413
Other	4,025			3,286		5,906			4,243			4,357
Total revenue	603,693			441,231		364,967			273,499			195,591
Cost of revenue (2)(3)	190,762			150,986		123,328			96,979			73,633
Gross profit	412,931			290,245		241,639			176,520			121,958
Operating expenses:
Marketing (2)(3)	158,013			109,085		82,248			66,771			39,655
Product development (2)(3)	97,249			74,616		55,083			42,694			36,634
General and administrative (2)(3)	82,883			91,486		86,180			68,939			51,920
Asset impairment charges	—			3,162		551			—			—
Total operating expenses	338,145			278,349		224,062			178,404			128,209
Income (loss) from operations	74,786			11,896		17,577			(1,884		)	(6,251		)
Other (expense) income, net	(19,708		)	20,369		(20,453		)	(26,110		)	(4,009		)
Income (loss) before income taxes	55,078			32,265		(2,876		)	(27,994		)	(10,260		)
Benefit (provision) for income taxes (4)	22,413			49,535		(27,025		)	(26,069		)	(4,983		)
Net income (loss)	$	77,491		$	81,800	$	(29,901	)	$	(54,063	)	$	(15,243	)
Net income (loss) per share attributable to common stockholders:
Basic	$	0.64		$	0.69	$	(0.26	)	$	(0.59	)	$	(0.38	)
Diluted	$	0.61		$	0.68	$	(0.26	)	$	(0.59	)	$	(0.38	)
Weighted average common shares outstanding:
Basic	120,146,076			118,538,687		113,562,738			91,122,291			40,246,663
Diluted	127,084,785			122,267,673		113,562,738			91,122,291			40,246,663

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(1) In connection with the adoption of ASU 2014-09—Revenue from Contracts with Customers (“ASC 606”) in the first quarter of 2018, we renamed our revenue categories Marketplace and Services revenue. In addition, we reclassified Etsy Payments from Services to Marketplace revenue as described in “Note 2—Revenue.” The following table provides our Marketplace and Services revenue under our previous and current presentation:

	Year-to-Date Period Ended
	Previous Presentation				Updated Presentation
	Marketplace Revenue		Services Revenue		Marketplace Revenue		Services Revenue
	(in thousands)
December 31, 2017	$	179,492	$	258,453	$	326,076	$	111,869
December 31, 2016	158,204		200,857		269,628		89,433
December 31, 2015	132,648		136,608		204,333		64,923
December 31, 2014	108,732		82,502		156,821		34,413

(2) Includes total stock-based compensation expense as follows:

	Year Ended December 31,
	2018		2017		2016		2015		2014
	(in thousands)
Cost of revenue	$	3,357	$	1,739	$	1,057	$	871	$	1,113
Marketing	2,507		1,933		971		560		216
Product development	21,234		8,274		5,079		2,860		1,461
General and administrative	11,133		14,613		8,794		6,550		7,260
Total stock-based compensation expense	$	38,231	$	26,559	$	15,901	$	10,841	$	10,050

(3) Includes the impact of $0.2 million in restructuring and other exit income recognized in the year ended December 31, 2018 and $13.9 million in restructuring and other exit costs recognized in the year ended December 31, 2017. For a summary of restructuring and other exit costs (income), see “Note 17—Restructuring and Other Exit Costs (Income)” in the Notes to Consolidated Financial Statements.

(4) In the year ended December 31, 2018, we recognized an income tax benefit associated with the release of a valuation allowance on certain deferred tax assets. The valuation allowance release resulted in a non-recurring benefit for income taxes of $23.4 million for the year ended December 31, 2018. In the year ended December 31, 2017, we recognized an income tax benefit associated with the enactment of the Tax Cuts and Jobs Act (the “TCJA”). As a result of the TCJA, our deferred taxes at December 31, 2017 have been revalued at the reduced 21% corporate income tax rate. The revaluation resulted in a non-recurring benefit for income taxes of approximately $31.1 million for the year ended December 31, 2017.

	Year Ended December 31,
	2018			2017			2016			2015			2014
	(in thousands except percentages)
Other Operational and Non-GAAP Financial Data:
GMS	$	3,931,745		$	3,253,609		$	2,841,985		$	2,388,387		$	1,931,981
Adjusted EBITDA	$	139,510		$	80,009		$	57,124		$	31,007		$	23,081
Active sellers	2,115			1,933			1,748			1,563			1,353
Active buyers	39,447			33,364			28,566			24,046			19,810
Percent mobile GMS	55		%	51		%	48		%	43		%	37		%
Percent international GMS	35		%	33		%	30		%	30		%	31		%

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	Year Ended December 31,
	2018			2017			2016			2015			2014
	(in thousands)
Net income (loss)	$	77,491		$	81,800		$	(29,901	)	$	(54,063	)	$	(15,243	)
Excluding:
Interest and other non-operating expense, net	13,221			8,736			5,502			1,202			549
(Benefit) provision for income taxes	(22,413		)	(49,535		)	27,025			26,069			4,983
Depreciation and amortization	26,742			27,197			22,525			18,550			17,223
Stock-based compensation expense (1)	34,477			19,953			13,168			8,981			5,920
Stock-based compensation expense—acquisitions	3,754			3,904			2,733			1,860			4,130
Foreign exchange loss (gain)	6,487			(29,105		)	14,951			21,775			3,049
Restructuring and other exit costs (income)	(249		)	13,897			—			—			—
Asset impairment charges	—			3,162			551			—			—
Acquisition-related expenses	—			—			570			—			2,059
Net unrealized loss on warrant and other liabilities	—			—			—			3,133			411
Contribution to Good Work Institute (formerly Etsy.org)	—			—			—			3,500			—
Adjusted EBITDA	$	139,510		$	80,009		$	57,124		$	31,007		$	23,081

(1) $2.7 million of restructuring-related stock-based compensation expense has been excluded from the year ended December 31, 2017, and is included in the restructuring and other exit costs (income) line.

	As of December 31,
	2018		2017		2016		2015		2014
	(in thousands)
Consolidated Balance Sheet Data:
Cash, cash equivalents and short-term investments	$	624,287	$	340,550	$	282,086	$	292,864	$	88,843
Net working capital	568,227		336,787		287,024		278,932		85,608
Total assets	901,851		605,583		581,193		553,061		246,203
Deferred revenue	7,478		6,262		5,648		4,712		3,452
Long-term debt, net (1)	276,486		—		—		—		—
Long-term liabilities	388,891		106,212		152,428		142,441		57,450
Convertible preferred stock	—		—		—		—		80,212
Total stockholders’ equity	400,898		396,894		344,757		330,498		67,088

(1) In March 2018, we issued $345.0 million aggregate principal amount of 0% Convertible Senior Notes due 2023 in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. For more information on the Notes, see “Note 13—Debt” in the Notes to Consolidated Financial Statements.

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

You should read the following discussion and analysis of our financial condition and results of operations together with our Consolidated Financial Statements and related notes and other financial information included elsewhere in this Annual Report on Form 10-K. This discussion, particularly information with respect to our outlook, our plans and strategy for our business and our performance and future success, includes forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those discussed below. Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Annual Report, particularly in the “Risk Factors” section. For more information regarding key factors affecting our performance, see “Key Factors Affecting Our Performance” below.

Overview

Business

Etsy is the global two-sided marketplace for unique and creative goods. Our mission is to “Keep Commerce Human,” and we’re committed to using the power of business and technology to strengthen communities and empower people around the world. We connect creative entrepreneurs with thoughtful consumers looking for items that are intended to be special, reflect their sense of style, or represent a meaningful occasion.

Our sellers are the heart and soul of Etsy, and our technology platform allows our sellers to turn their creative passions into economic opportunity. We have a seller-aligned business model: we make money when our sellers make money. We offer our sellers a marketplace with millions of buyers along with a range of seller tools and services that are specifically designed to help our creative entrepreneurs generate more sales and scale their businesses.

We are focused on attracting potential buyers to the Etsy marketplace for “special” purchase occasions throughout the year and deepening engagement with our existing buyers by inspiring purchases across multiple categories and special occasions. These special purchase occasions can occur many times throughout the year and include shopping that reflects an individual's unique style; gifting that demonstrates thought and care; and celebrations that express creativity and fun. Buyers tell us that they come to Etsy because Etsy sellers offer items that they can’t find anywhere else. Special purchase occasions happen throughout the year when a buyer is decorating a home, dressing for an event, celebrating a special moment, or buying a gift for someone special.

Our revenue is diversified, generated from a mix of marketplace activities and other optional services we provide to Etsy sellers to help them generate more sales and scale their businesses.

Marketplace revenue is comprised of the fees an Etsy seller pays us for marketplace activities. Marketplace activities include listing an item for sale, completing transactions between a buyer and a seller, and using Etsy Payments to process payments, including foreign currency payments. Revenue from Etsy Payments, our payment processing product, included in Services revenue prior to 2018, is now included in Marketplace revenue because Etsy Payments is required to be used by Etsy sellers in the countries where it is available.

Services revenue, called Seller Services revenue prior to 2018, is comprised of the fees an Etsy seller pays us for our optional other services (“Services”). Services include Promoted Listings, our on-site advertising service that allows sellers to pay for prominent placement of their listings in search results; Etsy Shipping Labels, which allows sellers in the United States, Canada, United Kingdom, and Australia to purchase discounted shipping labels; Pattern, a service that allows sellers to build custom websites; and Etsy Plus, a subscription offering that provides sellers with enhanced tools and credits for use on our platform.

We also generate additional revenue through our commercial partnerships, which is classified as other revenue.

Our strategy is focused on growing our Etsy.com marketplace in our six core geographies and building a sustainable competitive advantage around four areas of our business that we believe differentiate us from our competitors, or what we call our “Right to Win.”

The foundation of Etsy’s competitive advantage is our collection of unique items, which, we believe, when combined with best-in-class search and discovery, human connections, and a trusted brand, will enable us to continue to stand out among other ecommerce platforms and marketplaces. Our investments in product, marketing, and talent will be focused on capitalizing on these four areas of our business. Ultimately, the goal of our long-term strategy is to drive more new buyers to the website, give existing buyers reasons to come back more often, and fuel success for our sellers.

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Year Highlights

Total revenue was $603.7 million in the year ended December 31, 2018, driven by growth in both Marketplace and Services revenue. In the year ended December 31, 2018, we recorded net income of $77.5 million, and non-GAAP Adjusted EBITDA of $139.5 million. See “Non-GAAP Financial Measures” for more information and for a reconciliation of Adjusted EBITDA to net income (loss), the most directly comparable financial measure calculated in accordance with GAAP.

As of December 31, 2018, our marketplace connected 2.1 million active Etsy sellers and 39.4 million active Etsy buyers, in nearly every country in the world. In the year ended December 31, 2018, Etsy sellers generated GMS of $3.9 billion, of which approximately 55% came from purchases made on mobile devices. We are a global company and 35% of our GMS in the year ended December 31, 2018 came from transactions where either an Etsy seller or an Etsy buyer was located outside of the United States.

2018 Pricing Updates

Effective July 16, 2018, we increased our seller transaction fee from 3.5% to 5%, and now apply it to the cost of shipping in addition to the cost of the item. The revised fee structure is intended to support increased investments in the growth and health of the marketplace. We believe these pricing updates will continue to have a positive effect on revenue.

We also announced new subscription packages and enhanced tools that are intended to support global sellers at different stages of their business life cycles. In mid-July, we launched Etsy Plus, which sellers can opt into for $10 per month. Sellers may also choose Etsy Standard and continue to have access to the same tools and services that are already available on Etsy without an additional monthly fee. Given that our learnings on subscription packages are still nascent, we are continuing to evaluate and learn from the recent launch of Etsy Plus and will evaluate the best strategy for our current and planned subscription packages going forward as we optimize for seller success.

Other Operational Highlights

In 2018 we focused on growing our Etsy.com marketplace in our core geographies, and owning special purchase occasions – style, gifting, and celebrations – throughout the year. Below are key operational highlights:

• We continued to launch new product enhancements and build upon prior launches to help buyers find the right product at the right time, or discover inspiration among the items in our marketplace. We improved search relevance using context specific ranking (“CSR”), optimized landing pages by adding more recommendations and notifications, including alerts on listing cards when scarce items appear in other people’s carts, and reduced friction in the search and discovery experience by accelerating home and search page load times.

• We launched several product enhancements aimed at bolstering trust in the Etsy brand, Etsy sellers, the items available in our marketplace, and the overall Etsy experience. We made customer support improvements by introducing live chat for our sellers and inbound phone support for both buyers and sellers. We improved our checkout experience to make it easier for buyers to provide information for personalization and customization details on the listing and cart pages, enhanced guest checkout on mobile web and introduced Klarna, a pay later option for buyers in Germany. We also added trust signals to give more confidence in making a purchase decision, including best-seller badges on listing cards and shop review ratings on the cart page.

• We continued to focus on utilizing our marketing efforts to drive new and existing buyers to Etsy. We made structural improvements to Search Engine Optimization, one of our largest channels, to drive incremental traffic to Etsy. We began sending on-site and email notifications to inform buyers when one of their recently favorited items goes on sale. Additionally, following the increase in our marketplace transaction fee, we were able to invest a portion of our incremental revenue into marketing. We ran our first-ever television advertising campaign in the U.S and also began to test offline marketing campaigns.

• We continued to enhance, expand and introduce new product offerings and seller tools. We optimized Promoted Listings by using context specific ranking to surface more relevant ads, and launched a tool to better utilize seller’s budgets. We focused on shipping improvements, including the expansion of the Etsy Shipping Labels offering to our sellers in the United Kingdom and Australia through our new agreements with Royal Mail and DAI Post. We also launched Etsy Plus and Targeted Offers, new products and tools designed to give sellers more ways to grow their businesses and brands. Additionally, we launched a redesigned payment account intended to make it easier to manage

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all seller shop finances in one place, and have begun to process charges in the seller’s ledger currency and automatically deduct fees and applicable taxes from the seller’s money earned through sales using Etsy Payments.

We have also focused on growth investments, such as our migration to Google Cloud. In 2018, we achieved a significant milestone in the process by successfully migrating our website and mobile apps to Google Cloud. We expect to complete the migration by the beginning of 2020, and anticipate spending approximately $25 million on cloud migration in 2019. Additionally, during the migration we will maintain some of our existing data center infrastructure to ensure the reliability of our platform. We believe that moving to Google Cloud is positioning us well for growth by allowing us to focus on strategic initiatives, enhance site performance, and improve engineering efficiency.

Reclassification of Revenue Categories

In connection with the adoption of ASU 2014-09—Revenue from Contracts with Customers (“ASC 606”) in the first quarter of 2018, we renamed our revenue categories Marketplace and Services revenue. In addition, we reclassified Etsy Payments from Services to Marketplace revenue as described in “Business” above.

The following table provides our Marketplace and Services revenue under our previous and current presentation for the years ended December 31, 2017 and 2016:

	Year-to-Date Period Ended
	Previous Presentation				Updated Presentation
	Marketplace Revenue		Services Revenue		Marketplace Revenue		Services Revenue
	(in thousands)
December 31, 2017	$	179,492	$	258,453	$	326,076	$	111,869
December 31, 2016	158,204		200,857		269,628		89,433

Key Operating and Financial Metrics

We collect and analyze operating and financial data to evaluate the health and performance of our business and allocate our resources (such as capital, people and technology investments). The unaudited non-GAAP financial measure and key operating and financial metrics we use are:

	Year Ended December 31,						% Growth (Decline) Y/Y		Year Ended December 31,			% Growth Y/Y
	2018			2017					2016
	(in thousands except percentages)
GMS	$	3,931,745		$	3,253,609		20.8	%	$	2,841,985		14.5	%
Revenue	$	603,693		$	441,231		36.8	%	$	364,967		20.9	%
Marketplace revenue	$	440,740		$	326,076		35.2	%	$	269,628		20.9	%
Services revenue	$	158,928		$	111,869		42.1	%	$	89,433		25.1	%
Net income (loss)	$	77,491		$	81,800		(5.3	)%	$	(29,901	)	373.6	%
Adjusted EBITDA	$	139,510		$	80,009		74.4	%	$	57,124		40.1	%
Active sellers	2,115			1,933			9.4	%	1,748			10.6	%
Active buyers	39,447			33,364			18.2	%	28,566			16.8	%
Percent mobile GMS	55		%	51		%	400	bps	48		%	300	bps
Percent international GMS	35		%	33		%	200	bps	30		%	300	bps

GMS

Gross merchandise sales (“GMS”) is the dollar value of items sold in our marketplace within the applicable period, excluding shipping fees and net of refunds associated with canceled transactions. GMS does not represent revenue earned by Etsy. GMS is largely driven by transactions in our marketplace and is not directly impacted by Services activity. However, because our revenue and cost of revenue depend significantly on the dollar value of items sold in our marketplace, we believe that GMS is an indicator of the success of Etsy sellers, the satisfaction of Etsy buyers, and the health, scale, and growth of our business.

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Adjusted EBITDA

Adjusted EBITDA represents our net income (loss) adjusted to exclude: interest and other non-operating expense, net; (benefit) provision for income taxes; depreciation and amortization; stock-based compensation expense; foreign exchange loss (gain); restructuring and other exit costs (income) related to the Actions discussed in “Non-GAAP Financial Measures;” asset impairment charges; acquisition-related expenses; net unrealized loss on warrant and other liabilities; and contributions to Good Work Institute (formerly Etsy.org). See “Non-GAAP Financial Measures” for more information regarding our use of Adjusted EBITDA, including its limitations as a financial measure, and for a reconciliation of Adjusted EBITDA to net income (loss), the most directly comparable financial measure calculated in accordance with GAAP.

Active Sellers

An active seller is an Etsy seller who has incurred at least one charge from us in the last 12 months. Charges include Marketplace, Services, and Other Revenue fees discussed in “Note 1—Basis of Presentation and Summary of Significant Accounting Policies —Revenue Recognition” in the Notes to Consolidated Financial Statements. An Etsy seller is identified by a unique e-mail address; a single person can have multiple Etsy seller accounts. We succeed when Etsy sellers succeed, so we view the number of active sellers as a key indicator of the awareness of our brand, the reach of our platform, the potential for growth in GMS and revenue, and the health of our business.

Active Buyers

An active buyer is an Etsy buyer who has made at least one purchase in the last 12 months. An Etsy buyer is identified by a unique e-mail address; a single person can have multiple Etsy buyer accounts. We generate revenue when Etsy buyers order items from Etsy sellers, so we view the number of active buyers as a key indicator of our potential for growth in GMS and revenue, the reach of our platform, awareness of our brand, the engagement and loyalty of Etsy buyers, and the health of our business.

Mobile GMS

Mobile GMS is GMS that results from a transaction completed on a mobile device, such as a tablet or a smartphone. Mobile GMS excludes A Little Market (“ALM”) and Etsy Wholesale and orders initiated on mobile devices but ultimately completed on a desktop. When calculating percent mobile GMS, we do not take into account refunds associated with canceled transactions. We believe that mobile GMS indicates our success in converting mobile activity into mobile purchases and demonstrates our ability to grow GMS and revenue.

International GMS

International GMS is GMS from transactions where either the billing address for the Etsy seller or the shipping address for the Etsy buyer at the time of sale is outside of the United States. When calculating percent international GMS, we do not take into account refunds associated with canceled transactions. We believe that international GMS shows the level of engagement of our community outside the United States and demonstrates our ability to grow GMS and revenue.

Currency-Neutral GMS Growth

We calculate currency-neutral GMS growth by translating current period GMS for goods sold that were listed in non-U.S. dollar currencies into U.S. dollars using prior year foreign currency exchange rates.

As reported and currency-neutral GMS growth for the periods presented below is as follows:

	Year-to-Date Period Ended
	As Reported		Currency-Neutral		FX Impact
December 31, 2018	20.8	%	20.4	%	0.4	%
December 31, 2017	14.5	%	14.3	%	0.2	%
December 31, 2016	19.0	%	20.0	%	(1.0	)%

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Non-GAAP Financial Measures

Adjusted EBITDA

In this Annual Report on Form 10-K, we provide Adjusted EBITDA, a non-GAAP financial measure that represents our net income (loss) adjusted to exclude: interest and other non-operating expense, net; (benefit) provision for income taxes; depreciation and amortization; stock-based compensation expense; foreign exchange loss (gain); restructuring and other exit costs (income) related to the Actions as defined below; asset impairment charges; and acquisition-related expenses. Below is a reconciliation of Adjusted EBITDA to net income (loss), the most directly comparable GAAP financial measure.

We have included Adjusted EBITDA because it is a key measure used by our management and Board of Directors to evaluate our operating performance and trends, allocate internal resources, prepare and approve our annual budget, develop short- and long-term operating plans, determine incentive compensation, and assess the health of our business. As our Adjusted EBITDA increases, we are able to invest more in our platform.

We believe that Adjusted EBITDA can provide a useful measure for period-to-period comparisons of our business as it removes the impact of certain non-cash items and certain variable charges.

Adjusted EBITDA has limitations as an analytical tool, and you should not consider it in isolation or as a substitute for analysis of our results as reported under GAAP. Some of these limitations are:

• Adjusted EBITDA does not reflect other non-operating expenses, net of other non-operating income, including net interest expense;

• Adjusted EBITDA does not reflect tax payments that may represent a reduction in cash available to us;

• although depreciation and amortization are non-cash charges, the assets being depreciated and amortized may have to be replaced in the future, and Adjusted EBITDA does not reflect cash capital expenditure requirements for such replacements or for new capital expenditure requirements;

• Adjusted EBITDA does not consider the impact of stock-based compensation expense;

• Adjusted EBITDA does not consider the impact of foreign exchange loss (gain);

• Adjusted EBITDA does not consider the impact of restructuring and other exit costs (income) related to the Actions as described below;

• Adjusted EBITDA does not consider the impact of asset impairment charges;

• Adjusted EBITDA does not reflect acquisition-related expenses; and

• other companies, including companies in our industry, may calculate Adjusted EBITDA differently, which reduces its usefulness as a comparative measure.

Because of these limitations, you should consider Adjusted EBITDA alongside other financial performance measures, including net income (loss) and our other GAAP results.

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The following table reflects the reconciliation of net income (loss) to Adjusted EBITDA for each of the periods indicated:

	Year Ended December 31,
	2018			2017			2016
	(in thousands)
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Excluding:
Interest and other non-operating expense, net (1)	13,221			8,736			5,502
(Benefit) provision for income taxes	(22,413		)	(49,535		)	27,025
Depreciation and amortization (1)	26,742			27,197			22,525
Stock-based compensation expense (2)	34,477			19,953			13,168
Stock-based compensation expense—acquisitions	3,754			3,904			2,733
Foreign exchange loss (gain) (3)	6,487			(29,105		)	14,951
Restructuring and other exit costs (income) (4)	(249		)	13,897			—
Asset impairment charges (5)	—			3,162			551
Acquisition-related expenses	—			—			570
Adjusted EBITDA	$	139,510		$	80,009		$	57,124

(1) Included in interest and depreciation expense amounts above are interest and depreciation expense related to our headquarters under build-to-suit accounting requirements, which commenced in May 2016. For the years ended December 31, 2018, 2017, and 2016 those amounts are as follows:

	Year Ended December 31,
	2018		2017		2016
	(in thousands)
Interest expense	$	8,996	$	9,000	$	5,337
Depreciation	3,276		3,276		2,186

(2) $2.7 million of restructuring-related stock-based compensation expense has been excluded from the year ended December 31, 2017 and is included in the restructuring and other exit costs (income) line. See footnote (4) below. Total stock-based compensation expense included in the Consolidated Statements of Operations is as follows:

	Year Ended December 31,
	2018		2017		2016
	(in thousands)
Cost of revenue	$	3,357	$	1,739	$	1,057
Marketing	2,507		1,933		971
Product development	21,234		8,274		5,079
General and administrative	11,133		14,613		8,794
Total stock-based compensation expense	$	38,231	$	26,559	$	15,901

(3) See “Results of Operations—Other (Expense) Income, net” for more information on the fluctuation in foreign exchange loss (gain) in the years ended December 31, 2018, 2017, and 2016.

(4)    Total restructuring and other exit costs (income) included in the Consolidated Statements of Operations are as follows:

	Year Ended December 31,
	2018			2017		2016
	(in thousands)
Cost of revenue	$	(19	)	$	738	$	—
Marketing	(82		)	2,950		—
Product development	(110		)	3,232		—
General and administrative	(38		)	6,977		—
Total restructuring and other exit costs (income)	$	(249	)	$	13,897	$	—

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(5) In the fourth quarter of 2017, we made the decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing, which resulted in the recognition of a $3.2 million impairment charge to write the related capitalized web development and internal-use software assets down to zero. This decision was based on our strategy to focus on the growth of the Etsy.com marketplace.

Consolidated Statement of Operations Line Items Excluding Restructuring and Other Exit Costs (Income)

In the second quarter of 2017, the Board of Directors approved plans to increase efficiency and streamline our cost structure and improve focus on key strategic growth opportunities (the “Actions”). In this Annual Report, we discuss certain financial statement line items excluding restructuring and other exit costs (income), each non-GAAP financial measure that represents the income statement line item adjusted to exclude restructuring and other exit costs (income) incurred in the years ended December 31, 2018 and 2017.

We have included these financial statement line items excluding restructuring and other exit costs (income) because the Actions were unusual and do not necessarily reflect the ongoing trends in these financial statement line items. We believe that these non-GAAP measures can provide a useful measure for period-to-period comparisons of our business as they remove the impact of the Actions.

These non-GAAP measures have limitations as analytical tools, and you should not consider them in isolation or as a substitute for analysis of our results as reported under GAAP. Some of these limitations are:

• many of these costs were settled in cash;

• there is no certainty that restructuring and other exit costs (income) will not recur; and

• other companies, including companies in our industry, may adjust for similar items in a different manner, or may not exclude such charges, which reduces its usefulness as a comparative measure.

Because of these limitations, you should consider these non-GAAP measures alongside other financial performance measures, including the GAAP financial statement line items.

Reconciliation of GAAP Consolidated Statement of Operations Line Items to Non-GAAP Line Items Excluding Restructuring and Other Exit Costs (Income)

The following table reflects the reconciliation of each affected GAAP line item of the Consolidated Statement of Operations to the non-GAAP line item excluding restructuring and other exit costs (income) for each of the periods indicated:

	Year Ended December 31, 2018
	As Reported		Restructuring and Other Exit Costs (Income)			Excluding Restructuring and Other Exit Costs (Income)
	(in thousands)
Revenue	$	603,693	$	—		$	603,693
Cost of revenue	190,762		(19		)	190,781
Gross profit	412,931		(19		)	412,912
Operating expenses:
Marketing	158,013		(82		)	158,095
Product development	97,249		(110		)	97,359
General and administrative	82,883		(38		)	82,921
Total operating expenses	338,145		(230		)	338,375
Income from operations	$	74,786	$	(249	)	$	74,537

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	Year Ended December 31, 2017
	As Reported		Restructuring and Other Exit Costs (Income)		Excluding Restructuring and Other Exit Costs (Income)
	(in thousands)
Revenue	$	441,231	$	—	$	441,231
Cost of revenue	150,986		738		150,248
Gross profit	290,245		738		290,983
Operating expenses:
Marketing	109,085		2,950		106,135
Product development	74,616		3,232		71,384
General and administrative	91,486		6,977		84,509
Asset impairment charges	3,162		—		3,162
Total operating expenses	278,349		13,159		265,190
Income from operations	$	11,896	$	13,897	$	25,793

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Key Factors Affecting Our Performance

We believe that our performance and future success depend on a number of factors that present significant opportunities for us but also pose risks and challenges, including those discussed in the section titled “Risk Factors.”

Growth and Retention of Active Buyers and Active Sellers

Our success depends in part on the growth and retention of our active buyers and active sellers. Our revenue is driven by the number of active buyers, buyer engagement, active sellers, seller engagement, and our ability to maintain a trusted marketplace. As of December 31, 2018, our marketplace had grown to 39.4 million active buyers and 2.1 million active sellers, up from 33.4 million active buyers and 1.9 million active sellers as of December 31, 2017. We believe two of our most significant opportunities to drive growth in our marketplace are to bring new buyers to Etsy and encourage repeat buyers to purchase more frequently. We are particularly focused on increasing our number of habitual buyers, or buyers who have spent $200 or more and made purchases on six or more purchase days in the year. We are also focused on keeping our best sellers on the platform and helping them grow their businesses by enhancing the seller tools and services that help drive buyer demand.

During 2018, Etsy had 17.5 million new buyers, or buyers who made their first-ever purchase on Etsy. GMS from new buyers was up16% year-over-year and represented approximately 18% of overall GMS, a slight decrease compared to last year. GMS from existing buyers grew23% year-over-year in 2018 and represented approximately 82% of overall GMS, an increase compared to last year. Repeat purchases demonstrate the loyalty of Etsy buyers. In 2018, approximately 40.1% of our active buyers made purchases on two or more days in the previous 12 months, up from 39.6% in 2017.

Habitual buyers, are approximately 5.2% of our active buyers as of December 31, 2018. Habitual buyers grew to 2.0 million as of December 31, 2018, an increase of 21.7% compared to 2017. We aim to increase repeat purchases and habitual buyers by inspiring purchases in additional categories and on additional occasions, building trust in the Etsy brand, and removing friction from the buying experience to improve conversion rates.

To analyze our retention rates, we measure repeat activity by Active Buyers (buyers who have made at least one purchase through Etsy in the last 12 months) and Active Sellers (sellers who have incurred at least one charge in the last 12 months).

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Cohort of 2015, 2014, 2013, 2012 and 2011 Active Buyers

We refer to active buyers as of December 31, 2015 as “2015 Active Buyers,” as of December 31, 2014 as “2014 Active Buyers,” as of December 31, 2013 as “2013 Active Buyers,” as of December 31, 2012 as “2012 Active Buyers,” and as of December 31, 2011 as “2011 Active Buyers.” Of total 2015 Active Buyers, 37.5% remained active buyers through their fourth year on the platform, compared to 38.7% for 2014 Active Buyers, 41.1% for 2013 Active Buyers, 42.5% for 2012 Active Buyers, and 44.7% for 2011 Active Buyers. The average annual GMS per 2015 Active Buyer during their fourth year on the platform was 78% higher than their first year, compared to 70% for 2014 Active Buyers, 81% for 2013 Active Buyers, 88% for 2012 Active Buyers, and 89% for 2011 Active Buyers. We note that 2013 was the first year we started to significantly invest in our paid acquisition marketing efforts to grow our buyer base.

AVG GMS	2011	$103	$177	$186	$195
PER BUYER	2012	$96	$163	$173	$181
	2013	$96	$161	$168	$174
	2014	$99	$157	$164	$169
	2015	$101	$158	$163	$180

Cohort of 2015, 2014, 2013, 2012, and 2011 Active Buyers

These cohort data demonstrate our ability to consistently retain buyers over a multi-year period and reflects the loyalty of our buyer base. We have identified our ability to increase purchase frequency among these long-term and habitual buyers as one of our significant opportunities for growth and we are focused on improving search and recommendations to better match our buyers with the 60 million items listed on Etsy.com, driving buyer growth and retention.

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Cohort of 2015, 2014, 2013, 2012 and 2011 Active Sellers

We refer to active sellers as of December 31, 2015 as “2015 Active Sellers,” as of December 31, 2014 as “2014 Active Sellers,” as of December 31, 2013 as “2013 Active Sellers,” as of December 31, 2012 as “2012 Active Sellers” and December 31, 2011 as “2011 Active Sellers.” Of the 2015 Active Sellers, 33.1% remained active through their fourth year on the platform, compared to 31.8% for 2014 Active Sellers, 31.5% for 2013 Active Sellers, 32.3% for 2012 Active Sellers, and 32.3% for 2011 Active Sellers. The average annual GMS per 2015 Active Seller during their fourth year on the platform was over three times higher than their first year, compared to over three times higher for 2014 Active Sellers, almost four times higher for 2013 Active Sellers, over four times higher for 2012 Active Sellers, and over five times higher for 2011 Active Sellers.

AVG GMS	2011	$817	$2,241	$3,314	$4,299
PER SELLER	2012	$1,079	$2,598	$3,935	$4,557
	2013	$1,260	$3,110	$4,190	$4,620
	2014	$1,465	$3,325	$4,228	$4,615
	2015	$1,558	$3,296	$4,062	$4,939

Cohort of 2015, 2014, 2013, 2012, and 2011 Active Sellers

These cohort data demonstrate our success in retaining sellers over a multi-year period, with the sellers that remain on our platform maintaining consistent GMS growth. We believe there is significant opportunity for growth by fueling seller success through continued investment in paid services and tools to help Etsy sellers generate more sales on our platform.

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Services Growth

We have a seller-aligned business model: we make money when Etsy sellers make money. Our goal is to enhance the seller tools and services that will drive buyer demand. To achieve this, we continue to invest our resources in developing a cohesive platform of paid services and free tools specifically designed to help our creative entrepreneurs generate more sales and scale their businesses. We believe we can grow our optional paid services in three ways: expand the utility of existing services, expand the geographic reach of existing services, and launch new services offerings. For December 31, 2018, 15.1% of active sellers used Promoted Listings, and 24.7% of active sellers in the United States, Canada, United Kingdom, and Australia used Etsy Shipping Labels.

Investment in Marketing

We are focusing on initiatives to drive traffic to Etsy.com and shape perceptions of our marketplace as the go-to shopping destination for special purchase occasions by investing primarily in digital and other marketing initiatives, such as search engine optimization and television channels, and in our team to support marketing activities. We believe that we can continue to grow our acquisition marketing efforts, both in scaling and improving our current efforts and by expanding into new marketing channels. In 2018, paid GMS attributable to our marketing efforts was 17% of GMS and grew 53% compared to 2017. Additionally, following the increase in our marketplace transaction fee, we were able to invest a portion of our incremental revenue into marketing. In 2018, we ran our first-ever television advertising campaign in the United States and also began to test offline marketing campaigns. We believe these campaigns can increase brand awareness, visits, and purchase intent. In 2018, we spent $158.0 million on marketing expenses, or 26.2% of revenue, up44.9% over 2017. In 2017, we spent $109.1 million on marketing expenses, or 24.7% of revenue, up32.6% over 2016.

Investment in Technology

Our engineering team has built a sophisticated platform that enables millions of Etsy sellers and Etsy buyers to smoothly transact across borders, languages and devices. We have made, and will continue to make, significant investments in our platform to attract buyers and sellers to our marketplace and enhance their experience.

In September 2016, we acquired Blackbird Technologies, Inc., (“Blackbird”), a machine learning company, and, during 2017, fully integrated it into our search team. During 2017, we launched CSR, which leverages our internal data to create a more personalized search experience. We continued to improve the search experience using CSR throughout 2018 and will continue to leverage artificial intelligence and machine learning to enable shoppers to more easily browse, filter and transact, even when they may not have something specific in mind.

Our technology infrastructure allows us to scale our efforts across the platform. In the fourth quarter of 2017, we began working on an initiative to migrate our data centers to the cloud. We believe that moving to Google Cloud will enable us to focus on growing our core Etsy.com marketplace, prioritizing the buyer and seller experience, improving our search and discovery effectiveness, and increasing the pace of launching new features. In the third quarter of 2018, we achieved a significant milestone in the process by successfully migrating our website and mobile apps to Google Cloud. While this initiative is underway, we will incur implementation costs in addition to costs associated with maintaining our current infrastructure. We expect to complete the migration by the beginning of 2020.

In 2018, we spent $97.2 million on product development expenses, or 16.1% of revenue, up30.3% over 2017 and in 2017, we spent $74.6 million on product development expenses, or 16.9% of revenue, up35.5% over 2016. In addition, we capitalized website development and internal-use software costs, including stock-based compensation, of $22.1 million and $10.8 million in 2018 and 2017, respectively. We plan to continue to invest in innovation to address the needs of our community and increase our efforts to recruit and hire employees to work on our engineering teams.

Investment in Connected Experience—Mobile and Desktop

We want to engage Etsy buyers wherever they are and to provide an enjoyable and accessible shopping experience no matter what device they use to access our marketplace. Mobile is integrated into everything that we do, and expanding our mobile capabilities is an important focus area. Our mobile website and our “Buy on Etsy” mobile apps for Etsy buyers include search, discovery, curation, personalization, and social shopping features, optimized for a personal mobile experience. Our Etsy.com iOS and Android mobile apps have been downloaded approximately 56 million times as of December 31, 2018. Mobile GMS was 55% of total GMS in 2018, up from 51% of total GMS in 2017. We are focused on increasing conversion rates in general; however, we are particularly focused on mobile web, which continued to be the largest driver of both overall visits growth and mobile GMS growth. Mobile web conversion rate is about half the conversion rate on desktop and the conversion rate on our

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mobile Buy on Etsy app is about 1.2x the desktop conversion rate. Therefore, if mobile web visits continue to grow as a percentage of overall visits, it could be a headwind to future conversion rate gains. We are focused on continuing to enhance the buyer experience through mobile offering improvements in 2019.

International Growth

Our growth will depend in part on international Etsy sellers and international Etsy buyers constituting an increasing portion of our community. Our vision is global and local. Etsy.com is available in 10 languages and supports buyers and sellers in nearly every country in the world. In 2018, we entered into a referral agreement with DaWanda GmbH (“DaWanda”), a privately held Germany-based marketplace for gifts and handmade items. As part of this agreement, DaWanda agreed to encourage its community of buyers and sellers to migrate to the Etsy platform. The referral agreement with DaWanda allowed us to grow our international business by expanding our footprint in Central Europe, particularly in Germany, one of our core geographic markets. International GMS was 35% of total GMS in 2018 compared to 33% in 2017. We expect international GMS to grow faster than U.S. GMS in 2019, assuming that currency rates remain stable compared to average levels in December 2018, driven by our efforts to build local communities and foster local connections. In 2018, 37.5% of Etsy sellers were located outside the United States. Cross-border transactions is the largest component of international GMS and we remain committed to reducing barriers such as language and currency so that sellers and buyers from different countries can easily connect and transact. GMS generated between a non-U.S. buyer and a non-U.S. seller both in the same country grew approximately 36% in 2018 compared with 2017, making it the fastest growing category of international GMS. We are also focused on building local marketplaces globally, and deepening local Etsy communities around the world, each with its own ecosystem of Etsy sellers and Etsy buyers. To execute on our international strategy, we plan to continue to invest in local marketing and other locally-relevant tools and enhancements, such as local search boost, to encourage these connections around the world.

Our Company Culture

Our success depends, in part, on our ability to attract, retain, and motivate exceptional employees who share our dedication to our community and our mission to “Keep Commerce Human.” We believe that our action-oriented, values-based and purpose-driven work culture is a competitive advantage in attracting and retaining top talent.

We are focused on employee engagement, which is linked with high performance, retention, innovation, and growth. Each year, Etsy conducts an internal survey to measure employee engagement. In 2018, our overall engagement score was 70% favorable, up 10% from the prior year. We are also committed to fostering a diverse and inclusive workplace because we firmly believe that diverse backgrounds, thoughts, and experiences are beneficial to innovation, decision making, and our business as a whole. We are proud that as of December 31, 2018, our Board of Directors and leadership were at least 50% female.

Components of Our Results of Operations

Revenue

Our revenue consists of Marketplace revenue, Services revenue, and Other revenue.

Marketplace revenue.  Marketplace revenue is primarily comprised of the 5% transaction fee that an Etsy seller pays for each completed transaction, inclusive of shipping fees charged, the listing fee of $0.20 she pays for each item she lists (for up to four months) on Etsy.com, and Etsy Payments, our payment processing service. On July 16, 2018, we increased our seller transaction fee from 3.5% to 5%, and now apply it to the cost of shipping in addition to the cost of the item.

Services revenue.  Services revenue is derived from optional services offered to Etsy sellers, which include Promoted Listings, Etsy Shipping Labels, Pattern, and Etsy Plus.

• Revenue from Promoted Listings, our on-site advertising service, consists of cost-per-click fees an Etsy seller pays us for prominent placement of her listings in search results in our marketplace.

• Revenue from Etsy Shipping Labels consists of fees an Etsy seller pays us when she purchases shipping labels directly through our platform, net of the cost we incur in purchasing those shipping labels. We are able to provide our sellers shipping labels from the United States Postal Service, FedEx, Canada Post, Royal Mail, and DAI Post at discounted pricing due to the volume of purchases through our platform.

• Revenue from Pattern consists of monthly subscription fees an Etsy seller pays to use our custom website services.

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• Revenue from Etsy Plus consists of monthly subscription fees an Etsy seller pays for enhanced tools and credits for use on our platform.

Other revenue.  Other revenue includes the fees we receive from commercial partnerships.

Our revenue recognition policies are discussed under “Critical Accounting Policies and Significant Judgments and Estimates.”

Cost of Revenue

Cost of revenue primarily consists of the cost of interchange and other fees for credit card processing services, credit card verification service fees, and credit card chargebacks to support Etsy Payments revenue, and costs of refunds made to Etsy buyers that we are not able to collect from Etsy sellers. Cost of revenue also includes expenses associated with the operation and maintenance of our platform and our data centers, including employee-related costs, hosting and bandwidth costs, and depreciation and amortization. Our cost of revenue as a percentage of revenue may change over time as our revenue mix changes; for example, to the extent that Etsy Payments revenue increases as a percentage of revenue, there may be a dampening effect on our gross margin, as Etsy Payments is a lower margin product compared to our other offerings.

Operating Expenses

Operating expenses consist of marketing, product development, general and administrative expenses, and asset impairment charges. Direct and indirect employee-related expenses are the most significant component of the product development and general and administrative expense categories. We include stock-based compensation expense in the applicable operating expense category based on the respective equity award recipient’s function. We include restructuring and other exit costs (income) related to the Actions in the applicable operating expense category of the impacted function.

Marketing:  Marketing expenses largely consist of direct marketing and indirect employee-related expenses to support our marketing initiatives. Direct marketing includes digital marketing, brand marketing and television, seller lifecycle and growth activities, public relations, communications, and marketing partnerships. Digital marketing, also referred to as performance marketing, primarily consists of targeted promotional campaigns through electronic channels, such as product listing ads, search engine marketing, affiliate programs, and display advertising which are focused on buyer acquisition and brand marketing.

Product development:  Product development expenses consist primarily of employee-related expenses for our engineering, product management, product design, and product research activities. Additional expenses include consulting costs related to the development, quality assurance, and testing of new technology and enhancement of our existing technology.

General and administrative.  General and administrative expenses consist primarily of employee-related expenses for our general corporate functions. General and administrative expenses also include costs associated with the use of facilities and equipment, including depreciation and amortization and office overhead, and certain professional services expenses.

Asset impairment charges: Asset impairment charges consist primarily of non-cash charges related to our decisions to discontinue certain product offerings and the impairment of the related capitalized web development and internal-use software costs.

Other (Expense) Income, net

Other (expense) income, net consists of interest expense, interest and other income, and foreign exchange (loss) gain. Interest expense consists primarily of non-cash interest and amortization of debt issuance costs related to our Convertible Senior Notes due 2023, interest associated with the build-to-suit accounting treatment of our Brooklyn headquarters lease, and, to a lesser extent, interest on our capital lease obligations. Interest and other income is primarily comprised of interest and dividend income from our investment accounts.

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Results of Operations

The following tables show our results of operations for the periods presented and express the relationship of certain line items as a percentage of revenue for those periods. The period-to-period comparison of financial results is not necessarily indicative of future results.

	Year Ended   December 31,
	2018			2017			2016
	(in thousands)
Revenue:
Marketplace	$	440,740		$	326,076		$	269,628
Services	158,928			111,869			89,433
Other	4,025			3,286			5,906
Total revenue	603,693			441,231			364,967
Cost of revenue	190,762			150,986			123,328
Gross profit	412,931			290,245			241,639
Operating expenses:
Marketing	158,013			109,085			82,248
Product development	97,249			74,616			55,083
General and administrative	82,883			91,486			86,180
Asset impairment charges	—			3,162			551
Total operating expenses	338,145			278,349			224,062
Income from operations	74,786			11,896			17,577
Other (expense) income, net	(19,708		)	20,369			(20,453		)
Income (loss) before income taxes	55,078			32,265			(2,876		)
Benefit (provision) for income taxes	22,413			49,535			(27,025		)
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
	Year Ended   December 31,
	2018			2017			2016
Revenue:
Marketplace	73.0		%	73.9		%	73.9		%
Services	26.3			25.4			24.5
Other	0.7			0.7			1.6
Total revenue	100.0			100.0			100.0
Cost of revenue	31.6			34.2			33.8
Gross profit	68.4			65.8			66.2
Operating expenses:
Marketing	26.2			24.7			22.5
Product development	16.1			16.9			15.1
General and administrative	13.7			20.7			23.6
Asset impairment charges	—			0.7			0.2
Total operating expenses	56.0			63.1			61.4
Income from operations	12.4			2.7			4.8
Other (expense) income, net	(3.3		)	4.6			(5.6		)
Income (loss) before income taxes	9.1			7.3			(0.8		)
Benefit (provision) for income taxes	3.7			11.2			(7.4		)
Net income (loss)	12.8		%	18.5		%	(8.2		)%

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Comparison of Years Ended December 31, 2018 and 2017

Revenue

	Year Ended   December 31,						Change
	2018			2017			$		%
	(in thousands except percentages)
Revenue:
Marketplace	$	440,740		$	326,076		$	114,664	35.2	%
Percentage of total revenue	73.0		%	73.9		%
Services	$	158,928		$	111,869		$	47,059	42.1	%
Percentage of total revenue	26.3		%	25.4		%
Other	$	4,025		$	3,286		$	739	22.5	%
Percentage of total revenue	0.7		%	0.7		%
Total revenue	$	603,693		$	441,231		$	162,462	36.8	%

GMS increased $678.1 million, or 20.8%, to $3.9 billion in the year ended December 31, 2018 compared to the year ended December 31, 2017. On a currency-neutral basis (excluding the direct impact of currency translation on GMS from goods that are not listed in U.S. dollars) GMS growth for the year ended December 31, 2018 would have been 20.4%, or approximately 40 basis points lower than the reported 20.8% growth. Supporting this growth in GMS, active sellers increased9.4% to 2.1 million and active buyers increased18.2% to 39.4 million at December 31, 2018 compared to December 31, 2017. In the year ended December 31, 2018, GMS from new buyers grew16% year-over-year and represented approximately 18% of overall GMS, a decrease compared to last year. In the year ended December 31, 2018, GMS from existing buyers grew23% year-over-year and represented approximately 82% of overall GMS, an increase compared to last year. We anticipate continued visit growth and improved conversion in 2019. We believe conversion improvements will be driven primarily by product launches enhancing the buyer experience.

During the year ended December 31, 2018, mobile GMS increased as a percentage of total GMS to approximately 55%, up from approximately 51% for the year ended December 31, 2017. We believe this increase was a result of increased mobile traffic, and, to a lesser extent, continued improvements in our mobile offerings for Etsy buyers. Mobile GMS growth during the year ended December 31, 2018 was approximately 30%, with mobile web and mobile app GMS each continuing to grow faster than desktop GMS during the year.

For the year ended December 31, 2018, international GMS increased as a percentage of total GMS to 35%, up from approximately 33% for the year ended December 31, 2017. International GMS was up approximately 28% in the year ended December 31, 2018 compared to the year ended December 31, 2017, driven by GMS between U.S. buyers and international sellers and by our fastest growing international trade route, international domestic, which is GMS generated between a non-U.S. buyer and a non-U.S. seller both in the same country. International domestic GMS grew approximately 36% in 2018 compared with 2017. On a currency-neutral basis international GMS growth for the year ended December 31, 2018 would have been 27%. We expect international GMS to continue to grow faster than U.S. GMS, assuming that currency rates remain stable compared to average levels in December 2018, driven by our global product enhancements and marketing.

Revenue increased $162.5 million, or 36.8%, to $603.7 million in the year ended December 31, 2018 compared to the year ended December 31, 2017, of which 73.0% consisted of Marketplace revenue and 26.3% consisted of Services revenue.

Marketplace revenue increased $114.7 million, or 35.2%, to $440.7 million in the year ended December 31, 2018 compared to the year ended December 31, 2017. This growth corresponded with a 20.8%increase in GMS to a total of $3.9 billion for the year ended December 31, 2018. Marketplace revenue increased at a faster rate than GMS primarily due to the increase in transaction revenue and Etsy Payments revenue for the year ended December 31, 2018 compared to the year ended December 31, 2017. Transaction revenue increased59.6% year-over-year, primarily driven by our 2018 pricing updates, which drove approximately 41% of the 59.6%increase. Etsy Payments revenue increased24.4%, largely driven by overall GMS growth trends and increased seller adoption. The share of GMS processed through our Etsy Payments platform was 86% for the year ended December 31, 2018, up from 85% for the year ended December 31, 2017, primarily due to the transition of sellers in eligible countries to the platform. During the second quarter of 2018, we reached the anniversary of the Etsy Payments adoption requirement, which has been a substantial driver of year-over-year Etsy Payments revenue growth, and therefore, we expect Etsy Payments to grow more closely in-line with year-over-year GMS growth in future quarters. Listing fee revenue grew17.0%, driven by an increase in charged listings year-over-year corresponding with the increase in overall GMS growth.

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Listing fee revenue increased at a slower rate than GMS primarily due to the issuance of free listings in our international markets, including France and Germany.

Services revenue increased $47.1 million, or 42.1%, to $158.9 million in the year ended December 31, 2018 compared to the year ended December 31, 2017. The growth in Services revenue was primarily driven by an increase in Promoted Listings, up41.4%, and, to a lesser extent, Etsy Shipping Labels, up39.9%. The increase in Promoted Listings revenue was due to higher click volume and overall product enhancements, including expansion of Promoted Listing budgets and context specific ranking on Promoted Listings, which increased the relevance of promoted ads in our search results. The increase in Etsy Shipping Label revenue was primarily driven by a combination of an increase in label volume and an increase in average margin per label. Additionally, Etsy Shipping Label revenue reflects a one-time adjustment to recognize prior period revenue which drove $2.8 million of the increase. At December 31, 2018, 15.1% of active sellers used Promoted Listings, and 24.7% of active sellers in the United States, Canada, United Kingdom, and Australia used Etsy Shipping Labels.

Cost of Revenue

	Year Ended   December 31,						Change
	2018			2017			$		%
	(in thousands except percentages)
Cost of revenue	$	190,762		$	150,986		$	39,776	26.3	%
Percentage of total revenue	31.6		%	34.2		%

Cost of revenue increased$39.8 million, or 26.3%, to $190.8 million in the year ended December 31, 2018 compared to the year ended December 31, 2017, primarily driven by additional costs as a result of the increase in transactions and related revenue generated on the Etsy platform. The remaining increase was driven by hosting and bandwidth costs incurred as a result of our migration to the cloud while also maintaining our current infrastructure, and, to a lesser extent, increases in employee-related and professional services expenses. Cost of revenue decreased as a percentage of revenue largely due to 2018 changes in our pricing.

Operating Expenses

There were a total of 874 employees on December 31, 2018, compared with 744 on December 31, 2017.

Marketing

	Year Ended   December 31,						Change
	2018			2017			$		%
	(in thousands except percentages)
Marketing	$	158,013		$	109,085		$	48,928	44.9	%
Percentage of total revenue	26.2		%	24.7		%

Marketing expenses increased$48.9 million, or 44.9%, to $158.0 million in the year ended December 31, 2018 compared to the year ended December 31, 2017, primarily as a result of increased spend on digital marketing related to buyer acquisition, and, to a lesser extent, increased direct marketing expenses associated with our television ad campaigns. These increases were offset by decreases in employee-related expenses due to a reduction in average headcount and $3.0 million of restructuring and other exit costs associated with the Actions included in marketing expense for the year ended December 31, 2017 that did not recur in 2018. Excluding the impact of restructuring and other exit costs, non-GAAP marketing expenses increased $52.0 million, or 49.0%. In 2019, we expect to increase our investment in marketing, including into channels such as television.

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Product development

	Year Ended   December 31,						Change
	2018			2017			$		%
	(in thousands except percentages)
Product development	$	97,249		$	74,616		$	22,633	30.3	%
Percentage of total revenue	16.1		%	16.9		%

Product development expenses increased$22.6 million, or 30.3%, to $97.2 million in the year ended December 31, 2018 compared to the year ended December 31, 2017, primarily as a result of an increase in employee-related expenses, including stock-based compensation, and professional services expenses for consultants working on our product and engineering teams. The increase in employee-related expenses includes approximately $8.5 million of expense in connection with certain employee departures, including $7.0 million in expense resulting from the modification of stock options and RSUs. Additionally, $3.2 million of restructuring and other exit costs associated with the Actions is included in product development expenses for the year ended December 31, 2017. Excluding the impact of restructuring and other exit costs, non-GAAP product development expenses increased $26.0 million, or 36.4%.

General and administrative

	Year Ended   December 31,						Change
	2018			2017			$			%
	(in thousands except percentages)
General and administrative	$	82,883		$	91,486		$	(8,603	)	(9.4	)%
Percentage of total revenue	13.7		%	20.7		%

General and administrative expenses decreased$8.6 million, or 9.4%, to $82.9 million in the year ended December 31, 2018 compared to the year ended December 31, 2017, primarily due to decreased employee-related expenses, including stock-based compensation, mainly the result of a reduction in average headcount and $7.0 million of restructuring and other exit costs associated with the Actions included in general and administrative expenses for the year ended December 31, 2017 that did not recur in 2018. Excluding the impact of restructuring and other exit costs, non-GAAP general and administrative expenses decreased $1.6 million, or 1.9%. Upon adoption of ASU 2016-02, Leases in 2019, we expect to recognize additional depreciation and amortization expense compared to the year ended December 31, 2018 related to the accounting treatment for our Brooklyn headquarters lease.

Asset impairment charges

	Year Ended   December 31,						Change
	2018			2017			$			%
	(in thousands except percentages)
Asset impairment charges	$	—		$	3,162		$	(3,162	)	(100.0	)%
Percentage of total revenue	—		%	0.7		%

There were no asset impairment charges in the year ended December 31, 2018. Asset impairment charges were $3.2 million in the year ended December 31, 2017. In the fourth quarter of 2017, we made the decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing, which resulted in the recognition of a $3.2 million impairment charge to write the related capitalized web development and internal-use software assets down to zero. This decision was based on our strategy to focus on the growth of the Etsy.com marketplace.

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Other (Expense) Income, net

	Year Ended   December 31,						Change
	2018			2017			$			%
	(in thousands except percentages)
Other (expense) income, net:
Interest expense	$	(22,178	)	$	(11,130	)	$	(11,048	)	99.3	%
Percentage of total revenue	(3.7		)%	(2.5		)%
Interest and other income	$	8,957		$	2,394		$	6,563		274.1	%
Percentage of total revenue	1.5		%	0.5		%
Foreign exchange (loss) gain	$	(6,487	)	$	29,105		$	(35,592	)	(122.3	)%
Percentage of total revenue	(1.1		)%	6.6		%
Other (expense) income, net	$	(19,708	)	$	20,369		$	(40,077	)	(196.8	)%
Percentage of total revenue	(3.3		)%	4.6		%

Other expense, net was $19.7 million in the year ended December 31, 2018, which increased $40.1 million from other income, net of $20.4 million in the year ended December 31, 2017. The increase in expense was primarily driven by the change in U.S. Dollar to Euro exchange rates on our intercompany and other non-functional currency balances, and higher interest expense, mainly non-cash interest related to our convertible debt issued in the first quarter of 2018, partially offset by increased interest and dividend income related to our investment accounts. Interest expense also includes non-cash interest expense associated with the build-to-suit lease accounting related to our corporate headquarters, which remained flat year-over-year. Upon adoption of ASU 2016-02, Leases in 2019, we expect to recognize decreased interest expense compared to the year ended December 31, 2018 related to the accounting treatment for our Brooklyn headquarters lease.

Benefit for Income Taxes

	Year Ended   December 31,						Change
	2018			2017			$			%
	(in thousands except percentages)
Benefit for income taxes	$	22,413		$	49,535		$	(27,122	)	(54.8	)%
Percentage of total revenue	3.7		%	11.2		%

Our income tax benefit for the years ended December 31, 2018 and 2017 was $22.4 million and $49.5 million, respectively.

The primary drivers of our income tax benefit for the year ended December 31, 2018 were tax benefit related to valuation allowance of $28.7 million, stock-based compensation of $11.7 million, and our research and development tax credit of $4.1 million. These were partially offset by tax expense related to income before income taxes of $11.3 million, state and local tax expense of $3.8 million, and the inclusion of additional taxes of $3.9 million due to certain provisions of the Tax Cuts and Jobs Act of 2017, as enacted by the U.S. Federal Government on December 22, 2017, (the “TCJA”).

The primary driver of our income tax benefit for the year ended December 31, 2017 was the impact on deferred taxes from the reduction in the U.S. federal corporate tax rate beginning in 2018. As a result of the TCJA, which reduced the corporate income tax rate from 35% to 21%, our deferred taxes and certain unrecognized tax benefits at December 31, 2017 have been revalued at the reduced 21% rate. The revaluation resulted in a benefit for income taxes of approximately $31.1 million for the year ended December 31, 2017.

The secondary driver of the income tax benefit for the year ended December 31, 2017 was the recognition of excess tax benefits from stock-based compensation as a result of the adoption of ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting in the first quarter of 2017. As a result of this updated guidance, we recorded $12.8 million of excess tax benefits, rather than additional paid-in capital, for the year ended December 31, 2017.

For both periods, other drivers include the mix of income and losses in jurisdictions with a wide range of tax rates, the disallowance of the benefit of losses in certain foreign jurisdictions and the amount of non-deductible stock-based compensation expense.

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Comparison of Years Ended December 31,2017and 2016

Revenue

	Year Ended   December 31,						Change
	2017			2016			$			%
	(in thousands except percentages)
Revenue:
Marketplace	$	326,076		$	269,628		$	56,448		20.9	%
Percentage of total revenue	73.9		%	73.9		%
Services	$	111,869		$	89,433		$	22,436		25.1	%
Percentage of total revenue	25.4		%	24.5		%
Other	$	3,286		$	5,906		$	(2,620	)	(44.4	)%
Percentage of total revenue	0.7		%	1.6		%
Total revenue	$	441,231		$	364,967		$	76,264		20.9	%

GMS increased$411.6 million, or 14.5%, to $3.3 billion in the year ended December 31, 2017 compared to the year ended December 31, 2016. On a currency-neutral basis (excluding the direct impact of currency translation on GMS from goods that are not listed in U.S. dollars) GMS growth for the year ended December 31, 2017 would have been 14.3%, or approximately 20 basis points lower than the reported 14.5% growth. Supporting this growth in GMS, active sellers increased10.6% to 1.9 million and active buyers increased16.8% to 33.4 million at December 31, 2017 compared to December 31, 2016. In the year ended December 31, 2017, GMS from new buyers increased13% year-over-year and represented approximately 19% of overall GMS, a slight decrease compared to last year. In the year ended December 31, 2017, GMS from existing buyers increased16% year-over-year and represented approximately 81% of overall GMS, a slight increase compared to last year.

During the year ended December 31, 2017, mobile GMS increased as a percentage of total GMS to approximately 51%, up from approximately 48% for the year ended December 31, 2016. We believe this increase was a result of increased mobile traffic, and, to a lesser extent, continued improvements in our mobile offerings for Etsy buyers. Mobile web continued to be the largest driver of mobile GMS growth. Mobile GMS growth during the year ended December 31, 2017 was approximately 22%, with mobile web and mobile app GMS each continuing to grow faster than desktop GMS during the year. Year-over-year, mobile conversion rates continued to grow faster than desktop conversion rates.

For the year ended December 31, 2017, international GMS increased as a percentage of total GMS to 33%, from 30% for the year ended December 31, 2016, largely driven by continued GMS growth between U.S. buyers and international sellers, and buyers and sellers outside of the U.S., both in the same country and cross-border. GMS growth between international buyers and sellers in the same country was the fastest growing category of international GMS, up approximately 45% year-over-year during the year ended December 31, 2017 compared to the year ended December 31, 2016. International GMS was up approximately 23% in the year ended December 31, 2017 compared to the year ended December 31, 2016, growing faster than overall GMS.

Revenue increased$76.3 million, or 20.9%, to $441.2 million in the year ended December 31, 2017 compared to the year ended December 31, 2016, of which 73.9% consisted of Marketplace revenue and 25.4% consisted of Services revenue.

Marketplace revenue increased$56.4 million, or 20.9%, to $326.1 million in the year ended December 31, 2017 compared to the year ended December 31, 2016. This growth corresponded with a 14.5%increase in GMS to a total of $3.3 billion in the year ended December 31, 2017. Marketplace grew at a faster rate than GMS primarily due to the increase in Etsy Payments, up31.6%, largely driven by overall GMS growth trends and increased seller adoption. The share of GMS processed through our Etsy Payments platform was 85%, for the year ended December 31, 2017, up from 78% in the year ended December 31, 2016, primarily due to the transition of nearly all sellers in eligible countries to the platform. Transaction fee revenue grew14.1% and listing fee revenue grew12.3%, driven by overall GMS trends. Listing fee revenue grew at a slower rate than GMS primarily due to the issuance of free listings for promotional activities focused on driving growth in our international markets in the second half of 2017, including listings granted for the transition of our ALM sellers to the Etsy marketplace.

Services revenue increased $22.4 million, or 25.1%, to $111.9 million in the year ended December 31, 2017 compared to the year ended December 31, 2016. The growth in Services revenue was primarily driven by an increase in revenue from Promoted Listings, up 25.0%, and, to a lesser extent, Etsy Shipping Labels, up16.7%, and Pattern, up 84.8%. The increase in Promoted Listings revenue was due to higher click volume and overall product enhancements. The increase in Etsy Shipping Label

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revenue reflects a combination of an increase in label volume and average margin per label. The increase in Pattern revenue was primarily due to the incremental monthly paid subscription periods in 2017, as the product launched in April 2016, with the first paid subscriptions beginning in May 2016. At December 31, 2017, 15.0% of active sellers used Promoted Listings, and 28.1% of active sellers in the United States and Canada used Etsy Shipping Labels.

Other revenue decreased$2.6 million, or 44.4%, to $3.3 million in the year ended December 31, 2017 compared to the year ended December 31, 2016, mainly due to a decrease in revenue from accumulated unused gift card funds received from our third-party service provider, down 73.4%. In the year ended December 31, 2016, we recognized $1.7 million in revenue from accumulated unused gift cards, which represented the three-year cumulative value of gift cards that the third-party service provider has concluded are not likely to be redeemed. In 2017, unused gift card revenue was recognized monthly as earned and is not anticipated to be significant in future periods. In addition, processing fees from PayPal, a third-party payment processor, decreased 30.2% as a result of the transition of nearly all sellers in eligible countries to Etsy Payments in 2017.

Cost of Revenue

	Year Ended   December 31,						Change
	2017			2016			$		%
	(in thousands except percentages)
Cost of revenue	$	150,986		$	123,328		$	27,658	22.4	%
Percentage of total revenue	34.2		%	33.8		%

Cost of revenue increased$27.7 million, or 22.4%, to $151.0 million in the year ended December 31, 2017 compared to the year ended December 31, 2016, primarily as a result of additional costs to support the increase in Etsy Payments revenue and, to a lesser extent, an increase in employee-related costs. Cost of revenue increased as a percentage of revenue primarily due to an increase in professional services expenses related to customer service support. Restructuring and other exit costs of $0.7 million associated with the Actions were included in cost of revenue for the year ended December 31, 2017.

Operating Expenses

There were a total of 744 employees on December 31, 2017, compared with 1,043 on December 31, 2016, reflecting headcount reductions associated with the Actions.

Marketing

	Year Ended   December 31,						Change
	2017			2016			$		%
	(in thousands except percentages)
Marketing	$	109,085		$	82,248		$	26,837	32.6	%
Percentage of total revenue	24.7		%	22.5		%

Marketing expenses increased$26.8 million, or 32.6%, to $109.1 million in the year ended December 31, 2017 compared to the year ended December 31, 2016, primarily as a result of increased spend on digital marketing related to buyer acquisition, and an increase in employee-related expenses in our marketing team, including $3.0 million of restructuring and other exit costs associated with the Actions.

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Product development

	Year Ended   December 31,						Change
	2017			2016			$		%
	(in thousands except percentages)
Product development	$	74,616		$	55,083		$	19,533	35.5	%
Percentage of total revenue	16.9		%	15.1		%

Product development expenses increased$19.5 million, or 35.5%, to $74.6 million in the year ended December 31, 2017 compared to the year ended December 31, 2016, primarily as a result of an increase in employee-related expenses in our product and engineering teams, up $10.3 million, including $3.2 million of restructuring and other exit costs associated with the Actions, and $6.2 million of additional expenses resulting from the acquisition of Blackbird in September 2016.

General and administrative

	Year Ended   December 31,						Change
	2017			2016			$		%
	(in thousands except percentages)
General and administrative	$	91,486		$	86,180		$	5,306	6.2	%
Percentage of total revenue	20.7		%	23.6		%

General and administrative expenses increased$5.3 million, or 6.2%, to $91.5 million in the year ended December 31, 2017 compared to the year ended December 31, 2016, primarily driven by an increase in employee-related expenses, including $7.0 million of restructuring and other exit costs associated with the Actions. This increase was partially offset by decreases in professional services and office overhead expenses.

Asset impairment charges

	Year Ended   December 31,						Change
	2017			2016			$		%
	(in thousands except percentages)
Asset impairment charges	$	3,162		$	551		$	2,611	473.9	%
Percentage of total revenue	0.7		%	0.2		%

Asset impairment charges increased$2.6 million, or 473.9%, to $3.2 million in the year ended December 31, 2017, compared to the year ended December 31, 2016. In the fourth quarter of 2017, we made the decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing, which resulted in the recognition of a $3.2 million impairment charge to write the related capitalized web development and internal-use software assets down to zero. This decision was based on our strategy to focus on the growth of the Etsy.com marketplace. This compares to $0.6 million in the year ended December 31, 2016, related to the impairment of nonrecoverable intangible assets acquired in the ALM and Jarvis Labs, Inc. acquisitions for customer relationships and trademarks.

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Other Income (Expense), net

	Year Ended   December 31,						Change
	2017			2016			$			%
	(in thousands except percentages)
Other income (expense), net:
Interest expense	$	(11,130	)	$	(7,204	)	$	(3,926	)	54.5	%
Percentage of total revenue	(2.5		)%	(2.0		)%
Interest and other income	$	2,394		$	1,702		$	692		40.7	%
Percentage of total revenue	0.5		%	0.5		%
Foreign exchange gain (loss)	$	29,105		$	(14,951	)	$	44,056		(294.7	)%
Percentage of total revenue	6.6		%	(4.1		)%
Other income (expense), net	$	20,369		$	(20,453	)	$	40,822		(199.6	)%
Percentage of total revenue	4.6		%	(5.6		)%

Other income, net was $20.4 million in the year ended December 31, 2017, which increased $40.8 million from other expense, net of $20.5 million in the year ended December 31, 2016. The increase in income was primarily driven by the change in U.S. Dollar to Euro exchange rates on our intercompany and other non-functional currency balances, partially offset by an increase in interest expense, largely associated with the build-to-suit lease accounting related to our corporate headquarters. In the fourth quarter of 2017, we established a new legal entity based in Ireland with a U.S. dollar functional currency to help mitigate the currency rate risk on our intercompany debt.

Benefit (Provision) for Income Taxes

	Year Ended   December 31,						Change
	2017			2016			$		%
	(in thousands except percentages)
Benefit (provision) for income taxes	$	49,535		$	(27,025	)	$	76,560	283.3	%
Percentage of total revenue	11.2		%	(7.4		)%

Our income tax benefit and provision for the years ended December 31, 2017 and 2016 was $49.5 million and $27.0 million, respectively.

The primary driver of the income tax benefit for the year ended December 31, 2017 was the impact on deferred taxes from the reduction in the U.S. federal corporate tax rate beginning in 2018. On December 22, 2017 the TCJA was signed into law, which, among other items, reduced the corporate income tax rate from 35% to 21%. As a result, our deferred taxes and certain unrecognized tax benefits at December 31, 2017 have been revalued at the reduced 21% rate. The revaluation resulted in a benefit for income taxes of approximately $31.1 million for the year ended December 31, 2017.

The secondary driver of the income tax benefit for the year ended December 31, 2017 was the recognition of excess tax benefits from stock-based compensation as a result of the adoption of ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting in the first quarter of 2017. As a result of this updated guidance, we recorded $12.8 million of excess tax benefits, rather than additional paid-in capital, for the year ended December 31, 2017.

The primary driver of the income tax provision for the year ended December 31, 2016 was tax expense related to our updated corporate structure of $17.1 million.

For both periods, other drivers include the mix of income and losses in jurisdictions with a wide range of tax rates, the disallowance of the benefit of losses in certain foreign jurisdictions and the amount of non-deductible stock-based compensation expense.

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Quarterly Results of Operations

The following tables show selected unaudited quarterly results of operations and other unaudited operational and non-GAAP financial data for the eight quarters ended December 31, 2018 and the percentage that each line item in the following results of operations data represents of revenue. The results of operations data for each of these quarters have been prepared on the same basis as the audited annual Consolidated Financial Statements included elsewhere in this Annual Report on Form 10-K and includes all adjustments, which include only normal recurring adjustments, necessary for the fair statement of our results of operations for these periods. This data should be read in conjunction with our Consolidated Financial Statements and related notes included elsewhere in this Annual Report. Our quarterly results of operations and operational and non-GAAP financial data will vary in the future. These quarterly operating results are not necessarily indicative of our operating results for any future quarter or year.

	Three Months Ended
	Dec. 31, 2018 (1)			Sept. 30, 2018			June 30, 2018			Mar. 31, 2018			Dec. 31, 2017			Sept. 30, 2017		June 30, 2017			Mar. 31, 2017
	(in thousands except share and per share amounts)
Revenue:
Marketplace (2)	$	150,540		$	110,927		$	91,306		$	87,967		$	102,261		$	77,808	$	75,445		$	70,562
Services (2)	48,622			38,194			39,507			32,605			34,309			27,976		25,440			24,144
Other	866			1,245			1,574			340			(302		)	596		807			2,185
Total revenue	200,028			150,366			132,387			120,912			136,268			106,380		101,692			96,891
Cost of revenue (3)(4)	57,111			46,947			45,409			41,295			44,220			36,383		35,724			34,659
Gross profit	142,917			103,419			86,978			79,617			92,048			69,997		65,968			62,232
Operating expenses:
Marketing (3)(4)	63,362			39,516			28,941			26,194			34,590			23,520		27,521			23,454
Product development (3)(4)	28,542			24,418			23,568			20,721			17,788			16,958		21,754			18,116
General and administrative (3)(4)	21,524			20,748			21,707			18,904			18,218			22,094		28,411			22,763
Asset impairment charges	—			—			—			—			3,162			—		—			—
Total operating expenses	113,428			84,682			74,216			65,819			73,758			62,572		77,686			64,333
Income (loss) from operations	29,489			18,737			12,762			13,798			18,290			7,425		(11,718		)	(2,101		)
Other (expense) income, net	(6,613		)	(4,141		)	(8,137		)	(817		)	(24		)	5,815		13,950			628
Income (loss) before income taxes	22,876			14,596			4,625			12,981			18,266			13,240		2,232			(1,473		)
Benefit (provision) for income taxes (5)	18,375			5,298			(1,246		)	(14		)	26,484			12,562		9,437			1,052
Net income (loss)	$	41,251		$	19,894		$	3,379		$	12,967		$	44,750		$	25,802	$	11,669		$	(421	)
Net income (loss) per share attributable to common stockholders:
Basic	$	0.34		$	0.17		$	0.03		$	0.11		$	0.37		$	0.22	$	0.10		$	0.00
Diluted	$	0.32		$	0.15		$	0.03		$	0.10		$	0.36		$	0.21	$	0.10		$	0.00
Weighted average common shares outstanding:
Basic	120,192,912			119,870,711			119,450,194			121,267,092			121,586,991			119,592,191		116,933,216			115,696,024
Diluted	129,012,508			129,086,137			125,551,759			125,772,315			124,818,322			123,224,559		120,723,938			115,696,024

(1) During the three months ended December 31, 2018, we recorded adjustments to correct errors in the years ended December 31, 2018 and 2017 that increased income before income taxes by $1.6 million in the current quarter and decreased net income by $1.8 million in the current quarter. The Company has concluded that the errors and their correction were not material to the Consolidated Financial Statements for any of the periods impacted nor are they material for results in the fourth quarter of 2018.

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(2) In connection with the adoption of ASU 2014-09—Revenue from Contracts with Customers (“ASC 606”) in the first quarter of 2018, we renamed our revenue categories Marketplace and Services revenue. In addition, we reclassified Etsy Payments from Services to Marketplace revenue as described in “Note 2—Revenue.” The following table provides our Marketplace and Services revenue under our previous and current presentation:

	Quarter-to-Date Period Ended
	Previous Presentation				Updated Presentation
	Marketplace Revenue		Services Revenue		Marketplace Revenue		Services Revenue
	(in thousands)
December 31, 2017	$	54,251	$	82,319	$	102,261	$	34,309
September 30, 2017	42,413		63,371		77,808		27,976
June 30, 2017	42,069		58,816		75,445		25,440
March 31, 2017	40,759		53,947		70,562		24,144

(3) Includes total stock-based compensation expense as follows:

	Three Months Ended
	Dec. 31, 2018		Sept. 30, 2018		June 30, 2018		Mar. 31, 2018		Dec. 31, 2017		Sept. 30, 2017		June 30, 2017		Mar. 31, 2017
	(in thousands)
Cost of revenue	$	990	$	894	$	927	$	546	$	508	$	469	$	398	$	364
Marketing	688		642		699		478		514		447		528		444
Product development (a)	9,873		4,697		4,025		2,639		2,021		2,180		2,053		2,020
General and administrative	2,693		2,683		2,966		2,791		2,948		4,425		5,183		2,057
Total stock-based compensation expense	$	14,244	$	8,916	$	8,617	$	6,454	$	5,991	$	7,521	$	8,162	$	4,885

(a) Product development includes $6.0 million and $1.0 million of expense resulting from the modification of stock options and RSUs in the three months ended December 31, 2018 and September 30, 2018, respectively, in connection with certain employee departures See “Note 16—Stock-based Compensation” in the Notes to Consolidated Financial Statements for additional information.

(4) Includes restructuring and other exit costs (income), as shown in the quarterly reconciliation of net income (loss) to Adjusted EBITDA below. For a summary of restructuring and other exit costs (income) see “Note 17—Restructuring and Other Exit Costs (Income)” in the Notes to Consolidated Financial Statements.

(5) In the year ended December 31, 2018, we recognized an income tax benefit associated with the release of a valuation allowance on certain deferred tax assets. The valuation allowance release resulted in a non-recurring benefit for income taxes of $23.4 million for the year ended December 31, 2018. In the quarter ended December 31, 2017, we recognized an income tax benefit associated with the enactment of the TCJA as defined above. As a result of the TCJA, our deferred taxes at December 31, 2017 have been revalued at the reduced 21% corporate income tax rate. The revaluation resulted in a non-recurring benefit for income taxes of approximately $31.1 million for the quarter ended December 31, 2017.

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	Three Months Ended
	Dec. 31, 2018		Sept. 30, 2018		June 30, 2018		Mar. 31, 2018		Dec. 31, 2017		Sept. 30, 2017		June 30, 2017		Mar. 31, 2017
Revenue:
Marketplace	75.3	%	73.8	%	69.0	%	72.8	%	75.0	%	73.1	%	74.2	%	72.8	%
Services	24.3		25.4		29.8		27.0		25.2		26.3		25.0		24.9
Other	0.4		0.8		1.2		0.3		(0.2	)	0.6		0.8		2.3
Total revenue	100.0		100.0		100.0		100.0		100.0		100.0		100.0		100.0
Cost of revenue	28.6		31.2		34.3		34.2		32.5		34.2		35.1		35.8
Gross profit	71.4		68.8		65.7		65.8		67.5		65.8		64.9		64.2
Operating expenses:
Marketing	31.7		26.3		21.9		21.7		25.4		22.1		27.1		24.2
Product development	14.3		16.2		17.8		17.1		13.1		15.9		21.4		18.7
General and administrative	10.8		13.8		16.4		15.6		13.4		20.8		27.9		23.5
Asset impairment charges	—		—		—		—		2.3		—		—		—
Total operating expenses	56.7		56.3		56.1		54.4		54.1		58.8		76.4		66.4
Income (loss) from operations	14.7		12.5		9.6		11.4		13.4		7.0		(11.5	)	(2.2	)
Other (expense) income, net	(3.3	)	(2.8	)	(6.1	)	(0.7	)	—		5.5		13.7		0.6
Income (loss) before income taxes	11.4		9.7		3.5		10.7		13.4		12.4		2.2		(1.5	)
Benefit (provision) for income taxes	9.2		3.5		(0.9	)	—		19.4		11.8		9.3		1.1
Net income (loss)	20.6	%	13.2	%	2.6	%	10.7	%	32.8	%	24.3	%	11.5	%	(0.4	)%

	Three Months Ended
	Dec. 31, 2018			Sept. 30, 2018			June 30, 2018			Mar. 31, 2018			Dec. 31, 2017			Sept. 30, 2017			June 30, 2017			Mar. 31, 2017
	(in thousands except percentages)
Other financial and operations data (1):
GMS	$	1,246,472		$	922,513		$	901,685		$	861,075		$	1,019,452		$	766,354		$	748,762		$	719,041
GMS growth	22.3		%	20.4		%	20.4		%	19.8		%	17.8		%	13.2		%	11.8		%	14.2		%
Currency-neutral GMS growth	23.1		%	20.8		%	19.3		%	17.6		%	16.5		%	12.6		%	12.6		%	15.2		%
Adjusted EBITDA	$	51,359		$	34,035		$	27,695		$	26,421		$	34,822		$	22,769		$	12,696		$	9,722
Active sellers	2,115			2,043			1,983			1,970			1,933			1,891			1,834			1,801
Active buyers	39,447			37,134			35,830			34,693			33,364			31,680			30,584			29,669
Percent mobile GMS	56		%	56		%	55		%	54		%	52		%	52		%	51		%	51		%
Percent international GMS	36		%	35		%	34		%	35		%	33		%	34		%	32		%	32		%

(1) See “Key Operating and Financial Metrics” for the definitions of the following terms: “active buyer,” “active seller,” “Adjusted EBITDA,” “GMS,” “international GMS,” and “mobile GMS.”

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The following table reflects the reconciliation of net income (loss) to Adjusted EBITDA for each of the periods indicated:

	Three Months Ended
	Dec. 31, 2018			Sept. 30, 2018			June 30, 2018			Mar. 31, 2018			Dec. 31, 2017			Sept. 30, 2017			June 30, 2017			Mar. 31, 2017
	(in thousands)
Net income (loss)	$	41,251		$	19,894		$	3,379		$	12,967		$	44,750		$	25,802		$	11,669		$	(421	)
Excluding:
Interest and other non-operating expense, net	3,099			3,768			3,687			2,667			2,177			2,254			2,153			2,152
(Benefit) provision for income taxes	(18,375		)	(5,298		)	1,246			14			(26,484		)	(12,562		)	(9,437		)	(1,052		)
Depreciation and amortization	7,626			6,439			6,357			6,320			6,577			7,022			6,660			6,938
Stock-based compensation expense(1)	12,648			8,191			7,898			5,740			5,197			5,832			4,881			4,043
Stock-based compensation expense—acquisitions	1,596			725			719			714			725			724			1,613			842
Foreign exchange loss (gain)	3,514			373			4,450			(1,850		)	(2,153		)	(8,069		)	(16,103		)	(2,780		)
Restructuring and other exit costs (income)	—			(57		)	(41		)	(151		)	871			1,766			11,260			—
Asset impairment charges (2)	—			—			—			—			3,162			—			—			—
Adjusted EBITDA	$	51,359		$	34,035		$	27,695		$	26,421		$	34,822		$	22,769		$	12,696		$	9,722

(1) $0.1 million, $1.0 million, and $1.7 million of restructuring-related stock-based compensation expense has been excluded from the three months ended December 31, 2017, September 30, 2017, and June 30, 2017, respectively, and is included in the restructuring and other exit costs (income) line.

(2) In the fourth quarter of 2017, we made the decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing, which resulted in the recognition of a $3.2 million impairment charge to write the related capitalized web development and internal-use software assets down to zero. This decision was based on our strategy to focus on the growth of the Etsy.com marketplace.

Seasonality

Etsy sellers experience increased sales and use more Services during the fourth-quarter holiday shopping season. This has resulted in increased GMS and revenue for us during the fourth quarter of each fiscal year, which can compare to lower GMS and revenue in the first quarter of the following fiscal year. For example, revenue in the first quarter of 2018 decreased when compared with revenue in the fourth quarter of 2017. We expect this seasonality to continue in future years. Our cost of revenue and marketing expenses also follow this trend, with the highest costs corresponding with the fourth quarter and lower costs in the first quarter of each fiscal year. As our growth rates moderate, the impact of these seasonality trends on our results of operations may become more pronounced.

Our quarterly revenue increased sequentially quarter-to-quarter for all periods presented above, other than the first quarter of 2018, corresponding to our GMS performance in the same periods. We cannot assure you that this pattern of sequential revenue and GMS growth will continue. We believe that it is generally more meaningful to compare year-over-year results than sequential quarter-over-quarter results.

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Liquidity and Capital Resources

The following tables show our cash and cash equivalents, short-term investments, accounts receivable and net working capital as of the dates indicated:

	As of December 31,
	2018		2017
	(in thousands)
Cash and cash equivalents	$	366,985	$	315,442
Short-term investments	257,302		25,108
Accounts receivable, net	12,244		33,677
Net working capital	568,227		336,787

As of December 31, 2018, our cash and cash equivalents, a majority of which were held in cash deposits and money market funds, were held in the United States for future investments, working capital funding, and general corporate purposes.

We invest in short-term instruments, including fixed-income funds and U.S. Government and agency securities aligned with our investment strategy. These investments are intended to allow us to preserve our principal, maintain the ability to meet our liquidity needs, deliver positive yields across a balanced portfolio, and continue to provide us with direct fiduciary control. In accordance with our investment policy, all investments have maturities no longer than 36 months, with the average maturity of these investments maintained at 12 months or less.

Sources of Liquidity

In March 2018, we issued $345.0 million aggregate principal amount of 0% Convertible Senior Notes due 2023 (the “Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. The initial conversion price of the Notes represented a premium of approximately 37.5% over the price of Etsy’s common stock. The net proceeds from the sale of the Notes were $335.0 million after deducting initial purchasers’ discount and offering expenses. As of December 31, 2018, we had not received any conversion notices, and, as such, the Notes are not currently redeemable for cash and are therefore classified as long-term debt. For more information on the Notes, see “Note 13—Debt” in the Notes to Consolidated Financial Statements.

We believe that our existing cash and cash equivalents and short-term investments, together with cash generated from operations, will be sufficient to meet our anticipated cash needs for at least the next 12 months. Our future capital requirements and the adequacy of available funds will depend on many factors, including those described in “Key Factors Affecting Our Performance” above and in our “Risk Factors” in this Annual Report on Form 10-K.

Subsequent Event

On February 25, 2019, we entered into a $200.0 million senior secured revolving credit facility pursuant to a Credit Agreement with several lenders (the “2019 Credit Agreement”). The 2019 Credit Agreement will mature in February 2024. The 2019 Credit Agreement includes a letter of credit sublimit of $30.0 million and a swingline loan sublimit of $10.0 million. See “Note 13—Debt—Subsequent Event” in the Notes to Consolidated Financial Statements for additional information.

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Historical Cash Flows

	Year Ended December 31,
	2018			2017		2016
	(in thousands)
Cash provided by (used in):
Operating activities	$	198,925		$	69,101	$	47,964
Investing activities	(285,393		)	61,836		(135,430		)
Financing activities	144,006			6,555		(524		)

See “Note 1—Basis of Presentation and Summary of Significant Accounting Policies—Revisions” in the Notes to Consolidated Financial Statements for information on revisions to our Consolidated Statements of Cash Flows for the years ended December 31, 2017 and 2016.

Net Cash Provided by Operating Activities

Our cash flows from operations are largely dependent on the amount of revenue generated on our platform, as well as associated cost of revenue and other operating expenses. Our primary source of cash from operating activities is cash collections from our customers. Net cash provided by operating activities in each period presented has been influenced by changes in accounts receivable, prepaid expenses and other current assets, accounts payable, and accrued liabilities.

Net cash provided by operating activities was $198.9 million in the year ended December 31, 2018, primarily driven by cash net income of $139.6 million as a result of increased revenue generated on our platform, and changes in our operating assets and liabilities that provided$59.3 million in cash, largely driven by timing of collections of accounts receivable due to the launch of our redesigned payment account in the fourth quarter of 2018, which now automatically deducts our fees and applicable taxes from the seller’s funds earned through sales using Etsy Payments prior to settlement of those funds to the seller’s bank account and payment timing of payables.

Net cash provided by operating activities was $69.1 million in the year ended December 31, 2017, primarily driven by cash net income of $68.8 million as a result of increased revenue generated on our platform and changes in our operating assets and liabilities that provided$0.3 million in cash.

Net cash provided by operating activities was $48.0 million in the year ended December 31, 2016, as a result of the cash net income of $58.4 million as a result of increased revenue generated on our platform, partially offset by changes in our operating assets and liabilities that used$10.5 million in cash.

Net Cash (Used in) Provided by Investing Activities

Our primary investing activities consist of sales, maturities, and purchases of short-term marketable securities, cash paid to purchase intangible assets, and capital expenditures, including investments in capitalized website development and internal-use software and purchases of property and equipment to support our overall business growth.

Net cash used in investing activities was $285.4 million in the year ended December 31, 2018. This was primarily attributable to net purchases of marketable securities of $229.3 million, $35.3 million in cash paid for the DaWanda intangible asset acquisition, and $20.6 million in capital expenditures, including $19.5 million for website development and internal-use software as we continued to invest in projects adding new features and functionality to the Etsy platform and focused on growth investments, such as our migration to Google Cloud.

Net cash provided by investing activities was $61.8 million in the year ended December 31, 2017. This was primarily attributable to net sales of marketable securities of $75.0 million, offset by $13.2 million in capital expenditures, including $9.2 million for capitalized website development and internal-use software and $4.0 million for purchases of property and equipment.

Net cash used in investing activities was $135.4 million in the year ended December 31, 2016. This was primarily attributable to net purchases of marketable securities of $79.8 million, capital expenditures of $47.7 million, including $36.0 million for purchases of property and equipment, $11.7 million for capitalized website development and internal-use software, and $7.9 million in cash paid to acquire Blackbird.

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Net Cash Provided by (Used in) Financing Activities

Our primary financing activities include proceeds from the issuance of the Notes, repurchase of common stock under share repurchase programs, payments related to capped call transactions (“Capped Call Transactions”) with the initial purchasers and/or their respective affiliates in connection with the Notes, shares withheld to satisfy tax withholding obligations in connection with the vesting of employee RSUs, proceeds from exercise of stock options, payments on our facility financing obligation related to the build-to-suit accounting treatment of our Brooklyn headquarters lease, and financing of capital leases for computer and hosting equipment.

Net cash provided by financing activities was $144.0 million in the year ended December 31, 2018. This was primarily attributable to proceeds from the issuance of the Notes of $345.0 million and proceeds from the exercise of stock options of $18.3 million, partially offset by stock repurchases under share repurchase programs of $134.6 million, payments of $34.2 million for the Capped Call Transactions, stock repurchases of vested RSUs withheld to satisfy tax obligations of $24.1 million, payments on our facility financing obligation of $10.2 million, related to our Brooklyn headquarters lease, and $10.0 million of debt issuance cost payments.

Net cash provided by financing activities was $6.6 million in the year ended December 31, 2017. This was primarily attributable to proceeds from the exercise of stock options of $33.8 million and proceeds from other financing activities of $3.1 million, partially offset by repurchase of stock under the share repurchase program of $10.3 million, payments on capital lease obligations of $7.8 million, stock repurchases of vested RSUs withheld to satisfy tax obligations of $6.4 million, and payments on our facility financing obligation of $5.9 million, related to our Brooklyn headquarters lease.

Net cash used in financing activities was $0.5 million in the year ended December 31, 2016. This was primarily attributable to payments on capital lease obligations of $6.1 million, outflows from other financing activities of $3.1 million, stock repurchases of vested RSUs withheld to satisfy tax obligations of $1.3 million and a deferred payment related to the acquisition of ALM of $0.6 million, offset by proceeds from the exercise of stock options of $10.6 million.

Off-Balance Sheet Arrangements

We did not have any off-balance sheet arrangements, as defined in Item 303(a)(4)(ii) of Regulation S-K, in 2018, 2017, or 2016.

Contractual Obligations

The following table summarizes our future fixed contractual obligations as of December 31, 2018:

	Total		Less than 1 Year		1–3 Years		3–5 Years		More than 5 Years
	(in thousands)
Capital lease obligations	$	5,979	$	3,884	$	2,095	$	—	$	—
Operating lease obligations	32,017		4,904		8,968		8,385		9,760
Long-term obligations	345,223		132		91		345,000		—
Interest payments	648		504		144		—		—
Facility financing obligations	78,161		9,451		19,876		21,119		27,715
Purchase obligations	61,070		10,696		33,374		17,000		—
Total contractual obligations	$	523,098	$	29,571	$	64,548	$	391,504	$	37,475

Capital lease obligations consist of obligations under capital leases for computer and hosting equipment.

Operating lease obligations consist of obligations under non-cancelable operating leases for our headquarters in Brooklyn, New York and for our offices in San Francisco, Hudson (New York), London, Dublin, Toronto, and New Delhi.

Long-term obligations consist of the issuance of Convertible Senior Notes in 2018, which will mature on March 1, 2023, unless earlier converted or repurchased and commitments we assumed in connection with our 2014 acquisition of ALM.

Interest payments consist of interest due in connection with our capital leases.

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Facility financing obligations consist of the portion of our obligations for our headquarters in Brooklyn, New York that is accounted for as a build-to-suit lease.

Purchase obligations consist of commitments related to the migration of our data centers to the cloud, the related ongoing service fees, and other support services. For those agreements with variable terms, we do not estimate what the total obligation may be beyond any minimum quantities and/or pricing.

In addition, we have uncertain tax positions of $18.8 million and non-income tax related contingency reserves of $0.9 million, which are not reflected in the table as the ultimate resolution and timing are uncertain.

Critical Accounting Policies and Significant Judgments and Estimates

Our management’s discussion and analysis of our financial condition and results of operations is based on our Consolidated Financial Statements, which have been prepared in accordance with GAAP. The preparation of these Consolidated Financial Statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, equity, revenue, expenses, and related disclosures. We evaluate our estimates and assumptions on an ongoing basis. Our estimates are based on historical experience and various other assumptions that we believe to be reasonable under the circumstances. Our actual results could differ from these estimates.

We believe that the assumptions and estimates associated with revenue recognition, determining the nature and timing of satisfaction of performance obligations and stand-alone selling price for use in allocating the subscription price; stock-based compensation, income taxes, including the assessment of valuation allowances and the accounting for uncertain tax positions; website development costs and internal-use software, purchase price allocations for business combinations, valuation of goodwill and intangible assets, leases, restructuring and other exit costs (income), and fair value of financial instruments have the greatest potential impact on our Consolidated Financial Statements. Therefore, we consider these to be our critical accounting policies and estimates. For further information on all of our significant accounting policies, see “Note 1—Basis of Presentation and Summary of Significant Accounting Policies” in the Notes to Consolidated Financial Statements.

Revenue Recognition

Our revenue is diversified; generated from a mix of marketplace activities and other optional services to help Etsy sellers to generate more sales and scale their businesses. We recognize revenue as we transfer control of promised goods or services to Etsy sellers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. We evaluate whether it is appropriate to recognize revenue on a gross or net basis based upon our evaluation of whether we obtain control of the specified goods or services by considering if we are primarily responsible for fulfillment of the promise, have inventory risk, and have latitude in establishing pricing and selecting suppliers, among other factors. Based on our evaluation of these factors, revenue is recorded either gross or net of costs associated with the transaction. With the exception of Etsy Shipping Labels, our revenues are recognized on a gross basis. Sales and usage-based taxes are excluded from revenues.

Marketplace revenue: As members of the Etsy marketplace, Etsy sellers receive the benefit of marketplace activities, including listing items for sale, completing sales transactions, and payments processing, which represents a single stand-ready performance obligation. Etsy sellers pay a fixed listing fee of $0.20 for each item listed on Etsy.com for a period of four months or, if earlier, until a sale occurs. Variable fees include the 5% transaction fee that an Etsy seller pays for each completed transaction, inclusive of shipping fees charged and Etsy Payments fees for processing payments, including foreign currency payments. On July 16, 2018, we increased our seller transaction fee from 3.5% to 5%, and now apply it to the cost of shipping in addition to the cost of the item. Etsy Payments processing fees vary between 3% to 4.5% of an item’s total sale price, including shipping, plus a flat fee per order, depending on the country in which a seller’s bank account is located. When a foreign currency payment is processed, an additional 2.5% to 5% transaction fee is applied.

The listing fee is recognized ratably over a four-month listing period, unless the item is sold or the seller re-lists it, at which time any remaining listing fee is recognized. The transaction fee and Etsy Payments fees are recognized when the corresponding transaction is consummated. Listing fees are nonrefundable while transaction fees and Etsy Payments fees are recorded net of refunds.

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Services revenue: Services revenue is derived from optional services we offer to Etsy sellers, which include Promoted Listings, Etsy Shipping Labels, Pattern, and Etsy Plus. Each service below represents an individual obligation that we must perform when an Etsy seller chooses to use the service.

• Revenue from Promoted Listings, our on-site advertising service, consists of cost-per-click fees an Etsy seller pays us for prominent placement of the seller’s listings in search results in our marketplace. Promoted Listings fees are based on an auction system, which utilizes the budget that each Etsy seller sets when using Promoted Listings to determine the cost-per-click fee. Promoted Listing fees are nonrefundable and are charged to a seller’s Etsy bill when the Promoted Listing is clicked; at which time revenue is recognized.

• Revenue from Etsy Shipping Labels consists of fees an Etsy seller pays us when she purchases shipping labels through our platform, net of the cost we incur in purchasing those shipping labels. We provide our sellers access to purchase shipping labels from the United States Postal Service, FedEx, Canada Post, Royal Mail and DAI Post at discounted pricing due to the volume of purchases through its platform. We recognize Etsy Shipping Label revenue when an Etsy seller purchases a shipping label. We recognize Etsy Shipping Label revenue on a net basis as we are an agent in this arrangement and do not take control of shipping labels prior to transferring the labels to the Etsy Seller. Etsy Shipping Label revenue is recorded net of refunds.

• Revenue from Pattern consists of monthly subscription fees an Etsy seller pays to use our custom website services. We recognize revenue from Pattern ratably over the term of the subscription. The Pattern subscription fee is $15 per month and is nonrefundable.

• Revenue from Etsy Plus consists of monthly subscription fees an Etsy seller pays for enhanced tools and credits for use on our platform. The Etsy Plus subscription fee is $10 per month and is nonrefundable. Each feature represents its own distinct performance obligation. We allocate subscription revenue based on the relative actual or estimated stand-alone selling price of the features included in the Etsy Plus offering. Enhanced tools include advanced shop customization options, targeted restock notifications, discounts on branded packaging and promotional materials, and free or discounted custom web addresses, all of which are recognized ratably over the 30-day subscription period. Additionally, the subscription includes $5 of Promoted Listing credits and 15 free listing credits per month. The allocated value of Promoted Listing credits is recognized when the Promoted Listing is clicked, or when the 30-day subscription period expires. The allocated value of listing credits is deferred until the option is used, and once used, allocated over the four-month listing period. Any unused listing credits are recognized when the 30-day subscription period expires.

Other revenue: Other revenue typically includes revenue generated from commercial partnerships, which are recognized as the customer in each contract consumes the benefit of the service we provide in each arrangement.

Stock-Based Compensation

We account for our stock-based compensation awards in accordance with Accounting Standards Codification (“ASC”) Topic 718—Compensation—Stock Compensation (“ASC 718”). Stock options and RSUs are awarded to employees and members of our Board of Directors and are measured at fair value at each grant date. For both options and RSUs, vesting is typically over a four-year period and is contingent upon continued employment on each vesting date. In general, options granted to newly-hired employees prior to July 2018 vest 25% after the first year of service and ratably each month over the remaining 36-month period. In general, RSUs granted to newly-hired employees prior to July 2018 vest 25% after the first year following the vesting commencement date, which is the first day of the fiscal quarter closest to the date of grant, and then vest ratably each quarter over the remaining 12-quarter period. In general, for current employees who received an additional grant prior to March 2018, options vest ratably each month over a 48-month period. In general, for current employees who received an additional grant prior to March 2018, RSUs vest ratably each quarter over a 16-quarter period following the vesting commencement date, which is the first day of the fiscal quarter closest to the date of grant.

Beginning in July 2018, in general, for newly-hired employees, both options and RSUs vest 25% after the first year of service and ratably each six-month period over a four-year period following the vesting commencement date, which is the first day of the month closest to the date of grant. Beginning in March 2018, in general, for current employees who receive an additional grant, both options and RSUs vest ratably each six-month period over a four-year period following the vesting commencement date.

Stock-based compensation cost is measured on the grant date, based on the estimated fair value of the award using a Black-Scholes pricing model and recognized as an expense over the employee’s or director’s requisite service period on a straight-line basis. The fair value of RSUs is determined based on the closing price of our common stock on Nasdaq on the grant date. In the first quarter of 2017, we made an accounting policy election to recognize forfeitures as they occur upon adoption of guidance in ASU 2016-09—Compensation—Stock Compensation: Scope of Modification Accounting. In reporting periods prior to 2017, we

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estimated forfeitures at the time of grant and revised in subsequent periods as necessary if actual forfeitures differed from estimates. We expect to continue to grant stock options and RSUs in the future, and, to the extent that we do, our stock-based compensation expense recognized in future periods will likely increase.

Key Assumptions

Our Black-Scholes option-pricing model requires the input of subjective assumptions, including the fair value of the underlying common stock, the expected volatility of the price of our common stock, risk-free interest rates, the expected term of the option, and the expected dividend yield of our common stock. These estimates involve inherent uncertainties and the application of management’s judgment. If factors change and different assumptions are used, our stock-based compensation expense could be materially different in the future.

• Fair Value of Our Common Stock:  Prior to our initial public offering in April 2015, our Board of Directors considered numerous objective and subjective factors to determine the fair value of our common stock at each meeting at which awards were approved. The factors included: contemporaneous third-party valuations of our common stock; the prices, rights, preferences, and privileges of our preferred stock relative to those of our common stock; the prices of preferred stock sold by us to third-party investors in arms-length transactions; the prices of common stock sold to third-party investors by us and in secondary transactions or repurchased by us in arms-length transactions; the lack of marketability of our common stock; our operating and financial results; current business conditions and projections; and the likelihood of achieving a liquidity event, such as an initial public offering or sale of our company, given then prevailing market conditions. Since our initial public offering, we have used the market closing price for our common stock as reported on the Nasdaq to determine the fair value of our common stock.

• Expected Volatility:  As we do not have a sufficient trading history for our common stock, the expected stock price volatility for our common stock is estimated by taking the average historical price volatility for Etsy and certain industry peers based on daily price observations over a period equivalent to the expected term of the stock option grants. Industry peers, which we have selected, consist of several public companies in the industry similar in size, stage of life cycle, and financial leverage. We intend to continue to consistently apply this process using the same or similar public companies until a sufficient amount of historical information regarding the volatility of our own common stock share price becomes available, or unless circumstances change such that the identified companies are no longer similar to us, in which case more suitable companies whose share prices are publicly available would be used in the calculation.

• Risk-free Interest Rate:  The risk-free interest rate is based on the yields of U.S. Treasury securities with maturities similar to the expected term of the options for each option group.

• Expected Term:  The expected term represents the period that our stock-based awards are expected to be outstanding. We base our expected term for awards issued to employees or members of our Board of Directors on the simplified method, which represents the average period from vesting to the expiration of the stock option.

• Expected Dividend Yield:  We have never declared or paid any cash dividends to common stockholders and do not presently plan to pay cash dividends in the foreseeable future. Consequently, we use an expected dividend yield of zero.

In determining the fair value of stock options granted, the following weighted-average assumptions were used in the Black-Scholes option-pricing model for awards granted in the periods indicated:

	Year Ended December 31,
	2018	2017	2016
Expected volatility	38.6% - 47.8%	41.7% - 44.2%	38.6% - 44.6%
Risk-free interest rate	2.6% - 2.9%	1.9% - 2.2%	1.1% - 2.1%
Expected term (in years)	5.5 - 6.3	5.5 - 6.3	5.5 - 6.3
Dividend rate	—%	—%	—%

Income Taxes

We account for the income tax (provision) benefit based on income (loss) before income taxes using the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to settle. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as income or expense in the period that includes the enactment date. We assess the need for a valuation allowance on a quarterly basis to reduce deferred tax assets to the amounts we expect to be realized.

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On December 22, 2017 the TCJA was signed into law. The TCJA requires us to make an accounting policy election of either (1) treating taxes due on future U.S. inclusions in taxable income related to Global Intangible Low Taxed Income ("GILTI") as a current period expense when incurred (the “period cost method”) or (2) factoring such amounts into our measurement of our deferred taxes (the “deferred method”). We recorded tax expense related to GILTI in our effective tax rate for 2018, and have elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI using the period cost method.

We account for uncertainty in income taxes using a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by the taxing authorities. The amount recognized is measured as the largest amount of benefit that has a greater than 50% likelihood of being realized upon ultimate audit settlement.

We recognize interest and penalties, if any, associated with tax matters as part of the income tax provision and include accrued interest and penalties with the related tax liability in our Consolidated Balance Sheet.

Website Development and Internal-use Software Costs

Costs incurred to develop our website and software for internal-use are capitalized and amortized over the estimated useful life of the software, generally three to five years. In accordance with authoritative accounting guidance, we begin to capitalize our costs to develop software when preliminary development efforts are successfully completed, management has authorized and committed project funding, and it is probable that the project will be completed and the software will be used as intended. We also capitalize costs related to upgrades and enhancements when it is probable the expenditures will result in additional functionality or will extend the useful life of existing functionality. Costs related to the design or maintenance of website development and internal-use software are expensed as incurred. We periodically review these capitalized website development and internal-use software costs to determine whether the projects will be completed, placed in service, removed from service, or replaced by other internally-developed or third-party software. If an asset is not expected to provide any future use, the asset is retired and any unamortized cost is expensed.

If an asset will continue to be used, but the net book value is not expected to be fully recoverable, the asset is impaired to its fair value. When events or changes in circumstances require, we assess the likelihood of recovering the cost of website development and internal-use software costs based on its expectations of future profitability, undiscounted cash flows, and our plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value.

Asset Acquisitions

We have completed asset acquisitions and may complete additional asset acquisitions in the future. In an asset acquisition, we initially determine whether we acquired a single or group of assets. Acquired assets are recognized based on the purchase price, which is presumed to equal the fair value of the net assets acquired and amortized in the period over which the asset is expected to contribute directly or indirectly to the future cash flows of that entity. When circumstances indicate that the carrying value of these assets may not be recoverable, we review our identifiable amortizable intangible assets for impairment. We accrue for contingent consideration when payout becomes probable and is reasonably estimable.

Business Combinations, Intangible Assets and Goodwill

We have completed a number of acquisitions of other businesses in the past and may acquire additional businesses or technologies in the future. In an acquisition, we first review if substantially all of the fair value of the assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets, in which case the set is not considered a business and is accounted for as an asset acquisition.

The results of businesses acquired in a business combination are included in our Consolidated Financial Statements from the date of acquisition. We allocate the purchase price, which is the sum of the consideration provided and may consist of cash, equity, or a combination of the two, in a business combination to the identifiable assets and liabilities of the acquired business at their acquisition date fair values. The excess of the purchase price over the amount allocated to the identifiable assets and liabilities, if any, is recorded as goodwill. Determining the fair value of assets acquired and liabilities assumed requires management to use significant judgment and estimates, including the selection of valuation methodologies, estimates of future revenue and cash flows, discount rates, and selection of comparable companies.

When we issue stock-based or cash awards to an acquired company’s stockholders, we evaluate whether the awards are contingent consideration or compensation for post-combination services. The evaluation includes, among other things, whether

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the vesting of the awards is contingent on the continued employment of the acquired company’s stockholder beyond the acquisition date. If continued employment is required for vesting, the awards are treated as compensation for post-combination services and recognized as expense over the requisite service period.

We initially recognize intangible assets at fair value, and we amortize them on a straight-line basis over their estimated useful lives. When circumstances indicate that the carrying value of these assets may not be recoverable, we review our identifiable amortizable intangible assets for impairment.

Goodwill represents the excess of the aggregate fair value of the consideration transferred in a business combination over the fair value of the assets acquired, net of liabilities assumed. Goodwill is not amortized, but is subject to an annual impairment test. We have determined that we have a single reporting unit and we perform our annual goodwill impairment test during the fourth quarter or more frequently if events or changes in circumstances indicate that the goodwill may be impaired.

We have the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of the reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, we determine it is not more likely than not that the fair value of the reporting unit is less than its carrying amount, then additional impairment testing is not required. However, if we conclude otherwise, we are then required to perform a quantitative assessment for impairment.

The quantitative assessment involves comparing the estimated fair value of the reporting unit with its respective book value, including goodwill. If we determine that the estimated fair value exceeds book value, goodwill is considered not to be impaired and no additional steps are necessary. If, however, we determine that the book value of the reporting unit exceeds the fair value, we would recognize an impairment loss in an amount equal to the excess, not to exceed the total amount of goodwill allocated to that reporting unit.

Leases

We lease office space and certain computer equipment in multiple locations under non-cancelable lease agreements. The leases are reviewed for classification as operating, capital, or build-to-suit leases. For operating leases, rent is recognized on a straight-line basis over the lease period. For capital leases, we record the leased asset with a corresponding liability. Payments are recorded as reductions to the liability with an appropriate interest charge recorded based on the then-outstanding remaining liability. Upon adoption of ASU 2016-02—Leases, we will recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases.

We consider the nature of the renovations and our involvement during the construction period of newly-leased office space to determine if we are considered, for accounting purposes only, to be the owner of the construction project during the construction period. If we determine that we are the owner of the construction project, we are required to capitalize the fair value of the building as well as the construction costs incurred on our Consolidated Balance Sheet along with a corresponding financing liability (“build-to-suit accounting”). Upon occupancy for build-to-suit leases, we assess whether the circumstances qualify for sales recognition under the sale-leaseback accounting guidance. If the lease meets the sale-leaseback criteria, we will remove the asset and related financial obligation from the balance sheet and treat the building lease as an operating lease. If upon completion of construction, the project does not meet the sale-leaseback criteria, the leased property will be treated as a capital lease for financial reporting purposes.

In May 2016, we took possession of our corporate headquarters in Brooklyn, New York upon substantial completion of the construction phase of the build-out. Upon completion of the project, we performed a sale-leaseback analysis pursuant to Accounting Standards Codification (“ASC”) 840—Leases, to determine the appropriateness of removing the previously capitalized assets from the Consolidated Balance Sheets. We concluded that components of “continuing involvement” were evident as a result of this review, precluding the derecognition of the related assets from the Consolidated Balance Sheets. In conjunction with the initiation of the lease in May 2014, we also recorded a facility financing obligation equal to the fair market value of the assets received from the landlord. We do not report rent expense for the lease. Rather, rental payments under the lease are recognized as a reduction of the financing obligation and interest expense, and the associated asset capitalized throughout the construction project is depreciated over its estimated useful life. Upon adoption of ASU 2016-02—Leases, we will derecognize the facility financing obligation and any gains or losses associated with this change in accounting will be recognized through a cumulative-effect adjustment to accumulated deficit as of January 1, 2019. Additionally, a new right-of-use asset and lease liability will be recognized on the Consolidated Balance Sheet for the associated lease. See “Note 1—Basis of Presentation and Summary of Significant Accounting Policies—Recently Issued Accounting Pronouncements” for additional information on the impact of ASU 2016-02—Leases.

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Restructuring and Other Exit Costs (Income)

Under certain circumstances, such as the Actions described in “Non-GAAP Financial Measures,” we establish restructuring accruals for estimated employee severance and other exit costs. These accruals require the use of estimates, and though we believe the estimates and assumptions are reasonable, they may differ materially from actual costs. We include restructuring and other exit costs (income) in the applicable operating expense category of the impacted function in the Consolidated Statements of Operations. See “Note 17—Restructuring and Other Exit Costs (Income)” in the Notes to Consolidated Financial Statements for additional information.

Fair Value of Financial Instruments

In accounting for the issuance of the Notes discussed in “Liquidity and Capital Resources—Sources of Liquidity,” we used estimates and assumptions to calculate the carrying amounts of the liability and equity components by measuring the fair value of similar securities. See “Note 13—Debt” in the Notes to Consolidated Financial Statements for additional information.

Recent Accounting Pronouncements

For information regarding our recently issued accounting pronouncements and recently adopted accounting pronouncements, please see “Note 1—Basis of Presentation and Summary of Significant Accounting Policies” in the Notes to Consolidated Financial Statements.

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Item 7A. Quantitative and Qualitative Disclosures About Market Risk.

We have operations both within the United States and internationally and we are exposed to market risks in the ordinary course of our business, including the effects of interest rate changes and foreign currency fluctuations. Information relating to quantitative and qualitative disclosures about these market risks is described below.

Interest Rate Sensitivity

As of December 31, 2018 and December 31, 2017, the majority of our cash and cash equivalents and short-term investments were held in cash deposits, money market funds, fixed-income funds and U.S. Government and agency securities. The fair value of our cash, cash equivalents and short-term investments would not be significantly affected by either an increase or decrease in interest rates due mainly to the short-term nature of these instruments. The majority of our current interest expense is attributable to our facility financing obligation related to our build-to-suit lease and debt discount related to our Notes and is not impacted by external factors on interest rates. A 10% increase or decrease in our current interest rate would not have a significant impact on our interest expense.

Currency Risk

We are a global marketplace. Our revenues are denominated in the currencies of our seller’s ledger currencies, and our operating expenses are denominated in the currencies of the countries in which our operations are located. In addition, in the fourth quarter of 2018, we launched a redesigned payment account and began processing seller charges in our seller’s ledger currencies. Prior to this launch, only Etsy Payments revenues were processed in our seller’s ledger currencies. As a result of transacting business in multiple foreign currencies, primarily the Euro and Pound Sterling, we are subject to the risk of fluctuations in foreign currency exchange rates against the U.S. dollar.

In the year ended December 31, 2018, approximately 17% of GMS was from goods that were not listed in U.S. dollars and, therefore, subject to currency exchange fluctuations. On a currency-neutral basis, GMS growth for the year ended December 31, 2018 would have been 20.4%, or approximately 40 basis pointslower than the reported 20.8% growth. On a currency-neutral basis, GMS growth for the three months ended December 31, 2018 would have been 23.1% compared with the reported 22.3% growth.

In the year ended December 31, 2017, approximately 15% of GMS was from goods that were not listed in U.S. dollars and, therefore, subject to currency exchange fluctuations. On a currency-neutral basis, GMS growth for the year ended December 31, 2017 would have been 14.3%, or approximately 20 basis points lower than the reported 14.5% growth.

On January 1, 2015, we implemented a revised corporate structure to more closely align our structure with our global operations and future expansion plans outside of the United States, which resulted in a U.S. dollar-denominated intercompany debt on a Euro-denominated ledger that was subject to continued currency exchange rate risk through the middle of the fourth quarter of 2017. In the fourth quarter of 2017, we established a new legal entity based in Ireland with a U.S. dollar functional currency to help mitigate the currency rate risk on our intercompany debt.

For the purpose of analyzing foreign currency exchange risk, we considered the historical trends in foreign currency exchange rates and determined that it was reasonably possible that adverse changes in exchange rates of 10% could be experience in the near term. An adverse 10% foreign currency exchange rate would have resulted in a decrease to revenue of $7.5 million or approximately 1.2% of total revenue and a currency exchange loss of $17.0 million for the year ended December 31, 2018. This compares to a revenue decrease of $3.7 million or 0.8% of total revenue and currency exchange loss of $22.5 million based on the same analysis performed for the year ended December 31, 2017.

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Item 8. Financial Statements and Supplementary Data.

The supplementary financial information required by this item is included in “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

Etsy, Inc.

Index to the Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm	91
Consolidated Balance Sheets as of December 31, 2018 and 2017	93
Consolidated Statements of Operations for the years ended December 31, 2018, 2017, and 2016	94
Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2018, 2017, and 2016	95
Consolidated Statement of Changes in Stockholders' Equity for the years ended December 31, 2018, 2017, and 2016	96
Consolidated Statements of Cash Flows for the years ended December 31, 2018, 2017, and 2016	97
Notes to Consolidated Financial Statements	99

90

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors of Etsy, Inc.

Opinions on the Financial Statements and Internal Control over Financial Reporting

We have audited the accompanying consolidated balance sheets of Etsy, Inc. and its subsidiaries(the “Company”) as of December 31, 2018 and 2017,and the related consolidated statements of operations, comprehensive income (loss), changes in stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2018, including the related notes (collectively referred to as the “consolidated financial statements”).We also have audited the Company's internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control - Integrated Framework(2013)issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO).

In our opinion, the consolidatedfinancial statements referred to above present fairly, in all material respects, the financial position of the Company as of December 31, 2018and 2017, and the results of itsoperations and itscash flows for each of the three years in the period ended December 31, 2018in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control - Integrated Framework(2013)issued by the COSO.

Basis for Opinions

The Company's management is responsible for these consolidated financial statements, for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting, included in Management’s Report on Internal Control Over Financial Reporting appearing under Item 9A. Our responsibility is to express opinions on the Company’s consolidatedfinancial statements and on the Company's internal control over financial reporting based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidatedfinancial statements are free of material misstatement, whether due to error or fraud, and whether effective internal control over financial reporting was maintained in all material respects.

Our audits of the consolidatedfinancial statements included performing procedures to assess the risks of material misstatement of the consolidatedfinancial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidatedfinancial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidatedfinancial statements. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and

91

dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ PricewaterhouseCoopers LLP

New York, New York

February 28, 2019

We have served as the Company’s auditor since 2012.

92

Etsy, Inc.

Consolidated Balance Sheets

(In thousands except share and per share amounts)

	As of December 31,
	2018			2017
ASSETS
Current assets:
Cash and cash equivalents	$	366,985		$	315,442
Short-term investments	257,302			25,108
Accounts receivable, net	12,244			33,677
Prepaid and other current assets	22,686			20,379
Funds receivable and seller accounts	21,072			44,658
Total current assets	680,289			439,264
Restricted cash	5,341			5,341
Property and equipment, net	120,179			117,617
Goodwill	37,482			38,541
Intangible assets, net	34,589			4,100
Deferred tax assets	23,464			159
Other assets	507			561
Total assets	$	901,851		$	605,583
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	26,545		$	13,622
Accrued expenses	49,158			28,743
Capital lease obligations—current	3,884			5,798
Funds payable and amounts due to sellers	21,072			44,658
Deferred revenue	7,478			6,262
Other current liabilities	3,925			3,394
Total current liabilities	112,062			102,477
Capital lease obligations—net of current portion	2,095			4,115
Deferred tax liabilities	30,455			23,786
Facility financing obligation	59,991			60,049
Long-term debt, net	276,486			—
Other liabilities	19,864			18,262
Total liabilities	500,953			208,689
Commitments and contingencies (Note 14)
Stockholders’ equity:
Common stock ($0.001 par value, 1,400,000,000 shares authorized as of December 31, 2018 and 2017; 119,771,702 and 121,769,238 shares issued and outstanding as of December 31, 2018 and 2017, respectively)	120			122
Preferred stock ($0.001 par value, 25,000,000 shares authorized as of December 31, 2018 and 2017)	—			—
Additional paid-in capital	562,033			499,441
Accumulated deficit	(153,442		)	(96,290		)
Accumulated other comprehensive loss	(7,813		)	(6,379		)
Total stockholders’ equity	400,898			396,894
Total liabilities and stockholders’ equity	$	901,851		$	605,583

The accompanying notes are an integral part of these Consolidated Financial Statements

93

Etsy, Inc.

Consolidated Statements of Operations

(In thousands except share and per share amounts)

	Year Ended   December 31,
	2018			2017			2016
Revenue	$	603,693		$	441,231		$	364,967
Cost of revenue	190,762			150,986			123,328
Gross profit	412,931			290,245			241,639
Operating expenses:
Marketing	158,013			109,085			82,248
Product development	97,249			74,616			55,083
General and administrative	82,883			91,486			86,180
Asset impairment charges	—			3,162			551
Total operating expenses	338,145			278,349			224,062
Income from operations	74,786			11,896			17,577
Other (expense) income:
Interest expense	(22,178		)	(11,130		)	(7,204		)
Interest and other income	8,957			2,394			1,702
Foreign exchange (loss) gain	(6,487		)	29,105			(14,951		)
Total other (expense) income	(19,708		)	20,369			(20,453		)
Income (loss) before income taxes	55,078			32,265			(2,876		)
Benefit (provision) for income taxes	22,413			49,535			(27,025		)
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Net income (loss) per share attributable to common stockholders:
Basic	$	0.64		$	0.69		$	(0.26	)
Diluted	$	0.61		$	0.68		$	(0.26	)
Weighted average common shares outstanding:
Basic	120,146,076			118,538,687			113,562,738
Diluted	127,084,785			122,267,673			113,562,738

The accompanying notes are an integral part of these Consolidated Financial Statements

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Etsy, Inc.

Consolidated Statements of Comprehensive Income (Loss)

(In thousands)

	Year Ended   December 31,
	2018			2017			2016
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Other comprehensive (loss) income:
Cumulative translation adjustment	(1,399		)	(24,898		)	7,675
Unrealized (losses) gains on marketable securities, net of tax of $0, $15, and $5, respectively	(35		)	47			(8		)
Total other comprehensive (loss) income	(1,434		)	(24,851		)	7,667
Comprehensive income (loss)	$	76,057		$	56,949		$	(22,234	)

The accompanying notes are an integral part of these Consolidated Financial Statements

95

Etsy, Inc.

Consolidated Statements of Changes in Stockholders’ Equity

(In thousands except share amounts)

	Common Stock					Additional Paid-in Capital			Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)			Total
	Shares		Amount
Balance as of December 31, 2015	112,563,354		$	113		$	406,020		$	(86,440	)	$	10,805		$	330,498
Stock-based compensation	—		—			13,960			—			—			13,960
Exercise of vested options	2,535,620		3			10,565			—			—			10,568
Vesting of restricted stock units, net of shares withheld	144,651		—			(1,258		)	—			—			(1,258		)
Exercise of warrants, net of shares withheld	80,011		—			—			—			—			—
Retirement of restricted shares	(36,346	)	—			—			—			—			—
Issuance of common stock at acquisition date	685,749		—			6,966			—			—			6,966
Stock-based compensation—acquisitions	—		—			1,080			—			—			1,080
Conversion of liability-classified restricted shares upon vesting	—		—			1,942			—			—			1,942
Excess tax benefit from the exercise of options	—		—			3,235			—			—			3,235
Other comprehensive income	—		—			—			—			7,667			7,667
Net loss	—		—			—			(29,901		)	—			(29,901		)
Balance as of December 31, 2016	115,973,039		116			442,510			(116,341		)	18,472			344,757
Stock-based compensation	—		—			23,462			—			—			23,462
Exercise of vested options	5,760,263		6			33,832			—			—			33,838
Vesting of restricted stock units, net of shares withheld	622,167		1			(6,418		)	—			—			(6,417		)
Stock repurchase	(586,231	)	(1		)	—			(10,300		)	—			(10,301		)
Stock-based compensation—acquisitions	—		—			3,132			—			—			3,132
Conversion of liability-classified restricted shares upon vesting	—		—			2,838			—			—			2,838
Cumulative effect adjustment	—		—			85			(51,449		)	—			(51,364		)
Other comprehensive loss	—		—			—			—			(24,851		)	(24,851		)
Net income	—		—			—			81,800			—			81,800
Balance as of December 31, 2017	121,769,238		122			499,441			(96,290		)	(6,379		)	396,894
Stock-based compensation	—		—			36,729									36,729
Exercise of vested options	1,588,779		1			18,252			—			—			18,253
Issuance of convertible senior notes, net of issuance costs and taxes	—		—			53,323			—			—			53,323
Purchase of capped call, net of taxes	—		—			(25,400		)	—			—			(25,400		)
Vesting of restricted stock units, net of shares withheld	860,102		1			(24,066		)	—			—			(24,065		)
Stock repurchase	(4,446,417	)	(4		)	—			(134,643		)	—			(134,647		)
Stock-based compensation—acquisitions	—		—			3,754			—			—			3,754
Other comprehensive loss	—		—			—			—			(1,434		)	(1,434		)
Net income	—		—			—			77,491			—			77,491
Balance as of December 31, 2018	119,771,702		$	120		$	562,033		$	(153,442	)	$	(7,813	)	$	400,898

 The accompanying notes are an integral part of these Consolidated Financial Statements

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Etsy, Inc.

Consolidated Statements of Cash Flows

(In thousands)

	Year Ended   December 31,
	2018			2017			2016
Cash flows from operating activities
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation expense	34,477			22,655			13,168
Stock-based compensation expense—acquisitions	3,754			3,904			2,733
Depreciation and amortization expense	26,742			27,197			22,525
Bad debt expense	4,124			2,497			1,770
Foreign exchange loss (gain)	5,997			(27,424		)	12,921
Amortization of debt issuance costs	1,191			463			184
Non-cash interest expense	10,968			3,117			5,337
Interest on marketable securities	(2,887		)	426			914
Loss on disposal of assets	136			520			1,143
Asset impairment charges	—			3,162			551
Deferred income taxes	(22,414		)	(49,535		)	9,969
Amortization of deferred tax charge	—			—			17,132
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	17,215			(8,826		)	(8,192		)
Funds receivable and seller accounts	23,436			(13,477		)	(10,910		)
Prepaid expenses and other current assets	(4,785		)	3,024			(1,384		)
Other assets	43			(28		)	438
Accounts payable	13,364			2,837			(3,585		)
Accrued and other current liabilities	23,079			(2,659		)	795
Funds payable and amounts due to sellers	(23,436		)	13,477			10,910
Deferred revenue	1,331			434			964
Other liabilities	9,099			5,537			482
Net cash provided by operating activities	198,925			69,101			47,964
Cash flows from investing activities
Cash paid for asset acquisition and intangible assets	(35,494		)	—			—
Acquisition of businesses, net of cash acquired	—			—			(7,880		)
Purchases of property and equipment	(1,019		)	(3,948		)	(35,981		)
Development of internal-use software	(19,537		)	(9,208		)	(11,769		)
Purchases of marketable securities	(514,286		)	(62,348		)	(160,504		)
Sales of marketable securities	284,943			137,340			80,704
Net cash (used in) provided by investing activities	(285,393		)	61,836			(135,430		)
Cash flows from financing activities
Payment of tax obligations on vested equity awards	(24,065		)	(6,417		)	(1,258		)
Repurchase of stock	(134,647		)	(10,301		)	—
Proceeds from exercise of stock options	18,253			33,838			10,568
Proceeds from issuance of convertible senior notes	345,000			—			—
Payment of debt issuance costs	(9,962		)	—			—
Purchase of capped call	(34,224		)	—			—
Payments on capital lease obligations	(6,057		)	(7,798		)	(6,086		)
Deferred payments on acquisition of business	—			—			(649		)
Payments on facility financing obligation	(10,164		)	(5,883		)	—
Other financing, net	(128		)	3,116			(3,099		)
Net cash provided by (used in) financing activities	144,006			6,555			(524		)
Effect of exchange rate changes on cash	(5,995		)	(3,642		)	(1,662		)
Net increase (decrease) in cash, cash equivalents, and restricted cash	51,543			133,850			(89,652		)
Cash, cash equivalents, and restricted cash at beginning of period	320,783			186,933			276,585
Cash, cash equivalents, and restricted cash at end of period	$	372,326		$	320,783		$	186,933

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Etsy, Inc.

Consolidated Statements of Cash Flows

(In thousands)

	Year Ended   December 31,
	2018		2017		2016
Supplemental cash flow disclosures:
Cash paid for interest	$	10,002	$	7,555	$	2,000
Cash paid for income taxes	$	966	$	1,003	$	10,559
Supplemental non-cash disclosures:
Equipment acquired under capital lease obligations	$	2,122	$	5,586	$	5,030
Stock-based compensation capitalized in development of capitalized software	$	2,252	$	807	$	792
Additions to development of internal-use software and property and equipment included in accounts payable and accrued expenses	$	1,211	$	956	$	2,239
Fair value of common stock issued in acquisition	$	—	$	—	$	6,966

The accompanying notes are an integral part of these Consolidated Financial Statements

98

Etsy, Inc.

Notes to Consolidated Financial Statements

Note 1—Basis of Presentation and Summary of Significant Accounting Policies

Description of Business

Etsy, Inc. (the “Company” or “Etsy”) was incorporated in Delaware in February 2006. Etsy is the global marketplace for unique and creative goods. The Company generates revenue primarily from transaction and listing fees, Etsy Payments fees, Promoted Listing fees, Etsy Shipping Label sales, Pattern fees, and Etsy Plus subscription fees.

Basis of Consolidation

The Consolidated Financial Statements include the accounts of Etsy and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Reclassifications

Certain items in the prior years’ Consolidated Financial Statements have been reclassified to conform to the current year presentation reflected in the Consolidated Financial Statements. Specifically, the Company reclassified $0.2 million previously included in other assets to deferred tax assets on the Consolidated Balance Sheet for the year ended December 31, 2017 to conform to the current year presentation.

Additionally, the Company reclassified $146.6 million and $111.4 million previously included in Services revenue to Marketplace revenue (see “Note 2—Revenue”) for the years ended December 31, 2017 and 2016, respectively, to conform to the current year presentation in connection with the adoption of Accounting Standards Codification (“ASC”) 606—Revenue from Contracts with Customers.

The Company also reclassified $5.3 million on the Consolidated Statement of Cash Flows in the years ended December 31, 2017 and 2016 to include restricted cash in the beginning and ending cash, cash equivalents, and restricted cash balances to conform to the current year presentation upon adoption of Accounting Standards Update (“ASU”) 2016-18—Statement of Cash Flows: Restricted Cash.

The Company also reclassified $1.6 million and $7.8 million previously included in changes in prepaid expenses and other current assets, accrued and other current liabilities, and other liabilities to deferred income taxes on the Consolidated Statements of Cash Flows for the years ended December 31, 2017 and 2016, respectively, to conform to the current year presentation.

Revisions

The Company revised the Consolidated Statement of Cash Flows for the years ended December 31, 2017 and 2016 to correct the presentation of the effect of exchange rate changes on cash. This revision resulted in an increase (decrease) of $1.7 million in cash flows from operating activities, $3.1 million in cash flows from financing activities, and $(4.8) million in effect of exchange rate changes on cash in the year ended December 31, 2017 and an increase (decrease) of $(2.0) million in cash flows from operating activities, $(3.1) million in cash flows from financing activities, and $5.1 million in effect of exchange rate changes on cash in the year ended December 31, 2016.

Additionally, the 2018 quarterly periods will also be revised in connection with our future 2019 unaudited interim condensed Consolidated Financial Statement filings in Quarterly Reports on Form 10-Q. The Company will revise the Consolidated Statements of Cash Flows for the year-to-date periods ended September 30, 2018, June 30, 2018 and March 31, 2018 to correct the presentation of the effect of exchange rate changes on cash. This revision will result in an increase (decrease) of $(0.3) million in cash flows from operating activities, $4.0 million in cash flows from financing activities, and $(3.7) million in effect of exchange rate changes on cash in the nine months ended September 30, 2018, an increase (decrease) of $0.3 million in cash flows from operating activities, $1.0 million in cash flows from financing activities, and $(1.3) million in effect of exchange rate changes on cash in the six months ended June 30, 2018, and an increase (decrease) of $(0.3) million in cash flows from operating activities, $(2.7) million in cash flows from financing activities, and $3.0 million in effect of exchange rate changes on cash in the three months ended March 31, 2018.

99

Etsy, Inc.

Notes to Consolidated Financial Statements

These revisions do not impact the Consolidated Statements of Operations, the Consolidated Statements of Comprehensive Income (Loss), or the Consolidated Balance Sheets. The Company has concluded that the effect of this revision is not material to any of our previously issued financial statements.

Correction of Errors

During the year ended December 31, 2018, the Company recorded adjustments to correct errors in the years ended December 31, 2018, 2017 and 2016 that increased income before income taxes by $1.5 million in the current year and decreased net income by $1.3 million in the current year. The Company has concluded that the errors and their correction were not material to the Consolidated Financial Statements for any of the periods impacted nor are they material for the 2018 results.

Use of Estimates

The preparation of the Company’s Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and disclosure of contingent assets, liabilities and equity at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. The accounting estimates that require management’s most difficult and subjective judgments include: for revenue recognition, determining the nature and timing of satisfaction of performance obligations and stand-alone selling price for use in allocating the subscription price; income taxes, including the assessment of valuation allowances and the accounting for uncertain tax positions; website development costs and internal-use software; purchase price allocations for business combinations; valuation of goodwill and intangible assets; leases; stock-based compensation; restructuring and other exit costs (income); and fair value of financial instruments. The Company evaluates its estimates and judgments on an ongoing basis and revises them when necessary. Actual results may differ from the original or revised estimates.

Revenue Recognition

The Company’s revenue is diversified; generated from a mix of marketplace activities and other optional services to help Etsy sellers to generate more sales and scale their businesses. Revenues are recognized as the Company transfers control of promised goods or services to Etsy sellers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The Company evaluates whether it is appropriate to recognize revenue on a gross or net basis based upon its evaluation of whether the Company obtains control of the specified goods or services by considering if it is primarily responsible for fulfillment of the promise, has inventory risk, and has the latitude in establishing pricing and selecting suppliers, among other factors. Based on its evaluation of these factors, revenue is recorded either gross or net of costs associated with the transaction. With the exception of Etsy Shipping Labels, the Company’s revenues are recognized on a gross basis. Sales and usage-based taxes are excluded from revenues.

Marketplace revenue:  As members of the Etsy marketplace, Etsy sellers receive the benefit of marketplace activities, including listing items for sale, completing sales transactions, and payments processing, which represents a single stand-ready performance obligation. Etsy sellers pay a fixed listing fee of $0.20 for each item listed on Etsy.com for a period of four months or, if earlier, until a sale occurs. Variable fees include the 5% transaction fee that an Etsy seller pays for each completed transaction, inclusive of shipping fees charged, and Etsy Payments fees for processing payments, including foreign currency payments. On July 16, 2018, the Company increased the seller transaction fee from 3.5% to 5% of each completed transaction, and now applies it to the cost of shipping in addition to the cost of the item. Etsy Payments processing fees vary between 3–4.5% of an item’s total sale price, including shipping, plus a flat fee per order, depending on the country in which a seller’s bank account is located. When a foreign currency payment is processed, an additional 2.5–5% transaction fee is applied.

The listing fee is recognized ratably over a four-month listing period, unless the item is sold or the seller re-lists it, at which time any remaining listing fee is recognized. The transaction fee and Etsy Payments fees are recognized when the corresponding transaction is consummated. Listing fees are nonrefundable while transaction fees and Etsy Payments fees are recorded net of refunds.

100

Etsy, Inc.

Notes to Consolidated Financial Statements

Services revenue: Services revenue is derived from optional services offered to Etsy sellers, which include Promoted Listings, Etsy Shipping Labels, Pattern, and Etsy Plus. Each service below represents an individual obligation that the Company must perform when an Etsy seller chooses to use the service.

• Revenue from Promoted Listings, the Company’s on-site advertising service, consists of cost-per-click fees an Etsy seller pays for prominent placement of the seller’s listings in search results in the Company’s marketplace. Promoted Listings fees are based on an auction system, which utilizes the budget that each Etsy seller sets when using Promoted Listings to determine the cost-per-click fee. Promoted Listing fees are nonrefundable and are charged to a seller’s Etsy bill when the Promoted Listing is clicked; at which time revenue is recognized.

• Revenue from Etsy Shipping Labels consists of fees an Etsy seller pays the Company when she purchases shipping labels through its platform, net of the cost the Company incurs in purchasing those shipping labels. The Company provides its sellers access to purchase shipping labels from the United States Postal Service, FedEx, Canada Post, Royal Mail, and DAI Post at discounted pricing due to the volume of purchases through its platform. The Company recognizes Etsy Shipping Label revenue when an Etsy seller purchases a shipping label. The Company recognizes Etsy Shipping Label revenue on a net basis as it is an agent in this arrangement and does not take control of shipping labels prior to transferring the labels to the Etsy Seller. Etsy Shipping Label revenue is recorded net of refunds.

• Revenue from Pattern consists of monthly subscription fees an Etsy seller pays to use the Company’s custom website services. The Company recognizes revenue from Pattern ratably over the term of the subscription. The Pattern subscription fee is $15 per month and is nonrefundable.

• Revenue from Etsy Plus consists of monthly subscription fees an Etsy seller pays for enhanced tools and credits for use on the Company’s platform. The Etsy Plus subscription fee is $10 per month and is nonrefundable. Each feature represents its own distinct performance obligation. The Company allocates subscription revenue based on the relative actual or estimated stand-alone selling price of the features included in the Etsy Plus offering. Enhanced tools include advanced shop customization options, targeted restock notifications, discounts on branded packaging and promotional materials, and free or discounted custom web addresses, all of which are recognized ratably over the 30-day subscription period. Additionally, the subscription includes $5 of Promoted Listing credits and 15 free listing credits per month. The allocated value of Promoted Listing credits is recognized when the Promoted Listing is clicked, or when the 30-day subscription period expires. The allocated value of listing credits is deferred until the option is used, and once used, allocated over the four-month listing period. Any unused listing credits are recognized when the 30-day subscription period expires.

Other revenue: Other revenue typically includes revenue generated from commercial partnerships, which are recognized as the customer in each contract consumes the benefit of the service Etsy provides in each arrangement.

Cost of Revenue

Cost of revenue primarily consists of the cost of interchange and other fees for credit card processing services, credit card verification service fees, and credit card chargebacks to support Etsy Payments revenue, and costs of refunds made to Etsy buyers that the Company is not able to collect from Etsy sellers. Cost of revenue also includes expenses associated with the operation and maintenance of the Company’s platform and its data centers, including employee-related costs, hosting and bandwidth costs, and depreciation and amortization.

Marketing

Marketing expenses largely consist of direct marketing and indirect employee-related expenses to support our marketing initiatives. Direct marketing includes digital marketing, brand marketing and television, seller lifecycle and growth activities, public relations, communications, and marketing partnerships. Digital marketing, also referred to as performance marketing, primarily consists of targeted promotional campaigns through electronic channels, such as product listing ads, search engine marketing, affiliate programs, and display advertising which are focused on buyer acquisition and brand marketing. Advertising expenses are recognized as incurred, with the exception of certain production expenses related to television and display advertising which are deferred until the first time an advertisement airs or is published. If such advertising is not expected to occur, costs are expensed immediately. Advertising expenses related to direct marketing, included in marketing expenses on the Consolidated Statements of Operations, were $129.1 million, $78.4 million, and $55.5 million in the years ended December 31, 2018, 2017, and 2016, respectively.

101

Etsy, Inc.

Notes to Consolidated Financial Statements

Product Development

Product development expenses consist primarily of employee-related expenses for engineering, product management, product design, and product research activities. Additional expenses include consulting costs related to the development, quality assurance, and testing of new technology and enhancement of our existing technology.

Stock-Based Compensation

The Company accounts for its stock-based compensation awards in accordance with ASC Topic 718—Compensation—Stock Compensation (“ASC 718”). Stock options and restricted stock units (“RSUs”) are awarded to employees and members of the Company’s Board of Directors and are measured at fair value at each grant date. The Company calculates the fair value of stock options on the date of grant using the Black-Scholes option-pricing model and the expense is recognized over the requisite service period. Prior to the IPO, the Company utilized equity valuations based on comparable publicly-traded companies, discounted free cash flows, an analysis of the Company’s enterprise value, and other factors deemed relevant in estimating the fair value of its common stock. Subsequent to the IPO, the Company has used the closing price of its common stock on Nasdaq as the fair value of its common stock. The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant. Expected volatilities are based on implied volatilities from market comparisons of Etsy and certain publicly traded companies, and other factors. The expected term of stock options granted has been determined using the simplified method, which uses the midpoint between the vesting date and the contractual term. The fair value of RSUs is determined based on the closing price of the Company’s common stock on Nasdaq on the grant date. The requisite service period for stock options and RSUs is generally four years from the date of grant.

In the first quarter of 2017, the Company made an accounting policy election to recognize forfeitures as they occur upon adoption of guidance in ASU 2016-09—Compensation—Stock Compensation: Scope of Modification Accounting. In reporting periods prior to 2017, the Company estimated forfeitures at the time of grant and revised in subsequent periods as necessary if actual forfeitures differed from estimates.

The Company accounted for stock-based compensation arrangements related to the A Little Market (“ALM”) acquisition in restricted shares, subject to a put option that allows the holder of the shares to put the shares back to the Company for cash, as liability-classified stock awards. These awards were re-measured at fair value each reporting period, with changes in fair value being charged to the Consolidated Statement of Operations. Compensation expense was recognized using a graded vesting methodology for each separately vesting tranche as though the award were, in substance, multiple awards. Unless the put option was exercised, the restricted shares were to be reclassified from a liability to an equity classified award upon the termination of the put option at the vesting of each separate tranche. In 2017, all outstanding restricted shares subject to a put option became fully vested and the Company is no longer required to remeasure these awards at fair value going forward.

Foreign Currency

The Company has determined that the functional currency for each of its foreign operations is the currency of the primary cash flow of the operations, which is generally the local currency in which the operation is located. All assets and liabilities are translated into U.S. dollars using exchange rates in effect at the balance sheet date. Revenue and expenses are translated using average exchange rates during the period. Foreign currency translation adjustments are reflected in stockholders’ equity as a component of other comprehensive income (loss). Transaction gains and losses including intercompany balances denominated in a currency other than the functional currency of the entity involved are included in foreign exchange gain (loss) within other income (expense) in the Consolidated Statement of Operations.

Income Taxes

The income tax (provision) benefit is based on income (loss) before income taxes and is accounted for under the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to settle. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as income or expense in the period that includes the enactment date. Management assesses the need for a valuation allowance on a quarterly basis to reduce deferred tax assets to the amounts expected to be realized.

102

Etsy, Inc.

Notes to Consolidated Financial Statements

On December 22, 2017 the Tax Cuts and Jobs Act of 2017 (the “TCJA”) was signed into law. The TCJA requires the Company to make an accounting policy election of either (1) treating taxes due on future U.S. inclusions in taxable income related to Global Intangible Low Taxed Income ("GILTI") as a current period expense when incurred (the “period cost method”) or (2) factoring such amounts into the Company’s measurement of its deferred taxes (the “deferred method”). The Company has recorded tax expense related to GILTI in its effective tax rate for 2018, and has elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI as a current period expense when incurred using the period cost method.

The Company accounts for uncertainty in income taxes using a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by the taxing authorities. The amount recognized is measured as the largest amount of benefit that has a greater than 50% likelihood of being realized upon ultimate audit settlement.

The Company recognizes interest and penalties, if any, associated with income tax matters as part of the income tax provision and includes accrued interest and penalties with the related income tax liability in the Consolidated Balance Sheet.

Excess Tax Benefits from Exercise of Stock Options

As of the first quarter of 2017, the Company adopted ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting, for share-based payment transactions that require a reporting entity to recognize excess tax benefits and deficiencies as income tax expense or benefit in the income statement. Prior to this adoption, including the year ended December 31, 2016, the Company used the “with and without” approach in determining the order in which tax attributes were utilized. As a result, the Company recognized a tax benefit from stock-based awards (“windfall”) in additional paid-in capital only if an incremental tax benefit was realized after all other tax attributes available to the Company had been utilized. When tax deductions from stock-based awards were less than the cumulative book compensation expense, the tax effect of the resulting difference (“shortfall”) was charged first to additional paid-in capital, to the extent of the Company’s pool of windfall tax benefits, with any remainder recognized in income tax expense.

Net Income (Loss) Per Share

Basic net income (loss) per share attributable to common stockholders is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted net income (loss) per share is computed by dividing net income (loss) for the period by the weighted-average number of shares of common stock and potentially dilutive common stock outstanding during the period. Net income in the diluted net income per share calculation is adjusted for income or loss from fair value adjustments on instruments accounted for as liabilities, but which may be settled in shares. The dilutive effect of outstanding options and stock-based compensation awards is reflected in diluted net income (loss) per share by application of the treasury stock method. Since the Company expects to settle in cash the principal outstanding under the 0% Convertible Senior Notes due 2023 the Company issued in March 2018 (the “Notes,” see “Note 13—Debt”), it uses the treasury stock method when calculating the potential dilutive effect of the conversion spread on diluted net income per share, if applicable. The conversion spread will have a dilutive impact on diluted net income per share of common stock when the average market price of the Company’s common stock for a given period exceeds the conversion price of $36.27 per share.

The calculation of diluted net income (loss) per share excludes all anti-dilutive common shares. For periods in which the Company has reported net losses, diluted net loss per share attributable to common stockholders is the same as basic net loss per share attributable to common stockholders, because dilutive common shares are not assumed to have been issued if their effect is anti-dilutive.

103

Etsy, Inc.

Notes to Consolidated Financial Statements

Segment Data

The Company identifies operating segments as components of an entity for which discrete financial information is available and is regularly reviewed by the chief operating decision maker, or decision-making group, in making decisions regarding resource allocation and performance assessment. The Company defines the term “chief operating decision maker” to be its chief executive officer. The Company has determined it operates in one operating segment and one reportable segment, as its chief operating decision maker reviews financial information presented on only a consolidated basis for purposes of allocating resources and evaluating financial performance.

Cash, Cash Equivalents, and Short-term Investments

The Company considers all investments with an original maturity of three months or less at time of purchase to be cash equivalents. Cash restricted by third parties is not considered cash and cash equivalents. Short-term investments, consisting primarily of commercial paper, U.S. Government and agency securities, and corporate bonds with original maturities of greater than three months but less than one year when purchased, are classified as available-for-sale and are reported at fair value using the specific identification method. Unrealized gains and losses are excluded from earnings and reported as a component of other comprehensive income (loss), net of related estimated income tax provisions or benefits.

The following table provides cash, cash equivalents, and short-term investments within the Consolidated Balance Sheets as of the dates indicated (in thousands):

	As of December 31,
	2018		2017
Cash and cash equivalents	$	366,985	$	315,442
Short-term investments	257,302		25,108
Total cash, cash equivalents, and short-term investments	$	624,287	$	340,550

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash and cash equivalents, short-term investments, and funds receivable and seller accounts. The Company reduces credit risk by placing its cash and cash equivalents with major financial institutions with high credit ratings. At times, such amounts may exceed federally insured limits. In addition, funds receivable are generated primarily with credit card and payment processing companies which management believes are of high credit quality.

Fair Value of Financial Instruments

Management believes that the fair value of financial instruments, consisting of cash and cash equivalents, short-term investments, accounts receivable, funds receivable and seller accounts, accounts payable, and funds payable and seller accounts approximates carrying value due to the immediate or short-term maturity associated with these instruments.

In accounting for the issuance of the Notes discussed in “Note 13—Debt,” management used estimates and assumptions to calculate the carrying amounts of the liability and equity components by measuring the fair value of similar securities.

Accounts Receivable and Allowance for Doubtful Accounts

The Company’s trade accounts receivable are recorded at amounts billed to Etsy sellers and are presented on the Consolidated Balance Sheet net of the allowance for doubtful accounts. The allowance is determined by a number of factors, including age of the receivable, current economic conditions, historical losses, and management’s assessment of the financial condition of Etsy sellers. Receivables are written off once they are deemed uncollectible, which may arise when Etsy sellers file for bankruptcy or are otherwise deemed unable to repay the amounts owed to the Company. Estimates of uncollectible accounts receivable are recorded to general and administrative expense. See “Note 2—Revenue” for additional information on payment terms related to the Company’s accounts receivable balances.

104

Etsy, Inc.

Notes to Consolidated Financial Statements

The following table summarizes the allowance activity during the periods indicated (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Balance as of the beginning of period	$	2,687		$	1,999		$	2,071
Bad debt expense	4,124			2,497			1,770
Write-offs, net of recoveries and other adjustments	(2,091		)	(1,809		)	(1,842		)
Balance as of the end of period	$	4,720		$	2,687		$	1,999

Funds Receivable and Seller Accounts and Funds Payable and Amounts due to Sellers

The Company records funds receivable and seller accounts and funds payable and amounts due to sellers as current assets and liabilities, respectively, on the Consolidated Balance Sheet. Funds receivable and seller accounts represent amounts received or expected to be received from Etsy buyers via third-party credit card processors, which flow through an Etsy bank account for payment to Etsy sellers. This cash and related receivable represent the total amount due to sellers, and as such a liability for the same amount is recorded to funds payable and amounts due to Etsy sellers.

Property and Equipment

Property and equipment, consisting principally of building, capitalized website development and internal-use software, leasehold improvements, and computer equipment, are recorded at cost. The Company capitalizes construction in progress for build-to-suit lease agreements where we are the owner, for accounting purposes only, during the construction period. Depreciation and amortization begin at the time the asset is placed into service and are recognized using the straight-line method in amounts sufficient to relate the cost of depreciable and amortizable assets to the Consolidated Statements of Operations over their estimated useful lives. Repairs and maintenance are charged to the Consolidated Statements of Operations as incurred. Upon sale or retirement of assets, the cost and related accumulated depreciation or amortization are removed from the balance sheet and the resulting gain or loss is reflected in the Consolidated Statements of Operations.

When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of tangible long-lived assets based on its expectations of future profitability, undiscounted cash flows, and management’s plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. See “Recently Issued Accounting Pronouncements” below for information on the impact of ASU 2016-02—Leases on property and equipment balances.

Website Development and Internal-use Software Costs

Costs incurred to develop the Company’s website and software for internal-use are capitalized and amortized over the estimated useful life of the software, generally three to five years. In accordance with authoritative accounting guidance, capitalization of costs to develop software begin when preliminary development efforts are successfully completed, management has authorized and committed project funding, and it is probable that the project will be completed and the software will be used as intended. The Company also capitalizes costs related to upgrades and enhancements when it is probable the expenditures will result in additional functionality or will extend the useful life of existing functionality. Costs related to the design or maintenance of website development and internal-use software are expensed as incurred. The Company periodically reviews capitalized website development and internal-use software costs to determine whether the projects will be completed, placed in service, removed from service, or replaced by other internally-developed or third-party software. If an asset is not expected to provide any future use, the asset is retired and any unamortized cost is expensed.

If an asset will continue to be used, but the net book value is not expected to be fully recoverable, the asset is impaired to its fair value. When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of website development and internal-use software costs based on its expectations of future profitability, undiscounted cash flows, and our plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. No impairment of capitalized website development and internal-use software assets was recorded during the years ended December 31, 2018 and 2016. The Company

105

Etsy, Inc.

Notes to Consolidated Financial Statements

recognized an asset impairment charge of $3.2 million related to capitalized web development and internal-use software assets in the year ended December 31, 2017 as a result of its decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing.

Capitalized website development and internal-use software costs are included in property and equipment within the Consolidated Balance Sheets.

Asset Acquisitions

The Company has completed asset acquisitions and may complete additional asset acquisitions in the future. In an asset acquisition, the Company initially determines whether it acquired a single or group of assets. Acquired assets are recognized based on the purchase price, which is presumed to equal the fair value of the net assets acquired and amortized in the period over which the asset is expected to contribute directly or indirectly to the future cash flows of that entity. When circumstances indicate that the carrying value of these assets may not be recoverable, the Company reviews its identifiable amortizable intangible assets for impairment. The Company accrues for contingent consideration when payout becomes probable and is reasonably estimable.

Business Combinations

The Company has completed a number of acquisitions of other businesses in the past and may acquire additional businesses or technologies in the future. In an acquisition, the Company first reviews if substantially all of the fair value of the assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets, in which case the set is not considered a business and is accounted for as an asset acquisition.

The results of businesses acquired in a business combination are included in the Company’s Consolidated Financial Statements from the date of acquisition. The Company allocates the purchase price, which is the sum of the consideration provided and may consist of cash, equity, or a combination of the two, in a business combination to the identifiable assets and liabilities of the acquired business at their acquisition date fair values. The excess of the purchase price over the amount allocated to the identifiable assets and liabilities, if any, is recorded as goodwill. Determining the fair value of assets acquired and liabilities assumed requires management to use significant judgment and estimates, including the selection of valuation methodologies, estimates of future revenue and cash flows, discount rates, and selection of comparable companies.

When the Company issues stock-based or cash awards to an acquired company’s stockholders, the Company evaluates whether the awards are contingent consideration or compensation for post-combination services. The evaluation includes, among other things, whether the vesting of the awards is contingent on the continued employment of the acquired company’s stockholder beyond the acquisition date. If continued employment is required for vesting, the awards are treated as compensation for post-combination services and recognized as expense over the requisite service period.

The Company initially recognizes intangible assets at fair value, and amortizes them on a straight-line basis over their estimated useful lives. When circumstances indicate that the carrying value of these assets may not be recoverable, the Company reviews its identifiable amortizable intangible assets for impairment.

To date, the assets acquired and liabilities assumed in the Company’s business combinations have primarily consisted of goodwill and finite-lived intangible assets, consisting primarily of developed technologies, customer relationships, and trademarks. The estimated fair values and useful lives of identifiable intangible assets are based on many factors, including estimates and assumptions of future operating performance and cash flows of the acquired business, the nature of the business acquired, and the specific characteristics of the identified intangible assets. The estimates and assumptions used to determine the fair values and useful lives of identified intangible assets could change due to numerous factors, including market conditions, technological developments, economic conditions, and competition. In connection with determination of fair values, the Company may engage independent appraisal firms to assist with the valuation of intangible and certain tangible assets acquired and certain assumed obligations.

Acquisition-related transaction costs incurred by the Company are not included as a component of consideration transferred, but are accounted for as an expense in the period in which the costs are incurred.

106

Etsy, Inc.

Notes to Consolidated Financial Statements

Goodwill

Goodwill represents the excess of the aggregate fair value of the consideration transferred in a business combination over the fair value of the assets acquired, net of liabilities assumed. Goodwill is not amortized, but is subject to an annual impairment test. Management has determined that the Company has a single reporting unit and performs its annual goodwill impairment test during the fourth quarter or more frequently if events or changes in circumstances indicate that the goodwill may be impaired.

Events or changes in circumstances which could trigger an impairment review include significant changes in the manner of the Company’s use of the acquired assets or the strategy for the Company’s overall business, significant negative industry or economic trends, significant underperformance relative to historical or projected future results of operations, a significant adverse change in the business climate, cost factors that have a negative effect on earnings and cash flows, an adverse action or assessment by a regulator, a sustained decrease in share price, unanticipated competition, or a loss of key personnel.

The Company has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of the reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, the Company determines it is not more likely than not that the fair value of the reporting unit is less than its carrying amount, then additional impairment testing is not required. However, if the Company concludes otherwise, then it is required to perform a quantitative assessment for impairment.

The quantitative assessment involves comparing the estimated fair value of the reporting unit with its respective book value, including goodwill. If the estimated fair value exceeds book value, goodwill is considered not to be impaired and no additional steps are necessary. If, however, the book value of the reporting unit exceeds the fair value, an impairment loss is recognized in an amount equal to the excess, not to exceed the total amount of goodwill allocated to that reporting unit.

The Company completed a qualitative analysis during the fourth quarter of 2018. No impairment of goodwill was recorded during the three years ended December 31, 2018, 2017, and 2016.

Intangible Assets

Intangible assets are amortized over the estimated useful life of the asset. The estimated useful lives of acquired technology, customer relationships, and trademarks are generally three years and the estimated useful life of the referral agreement is ten years. When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of intangible assets based on its expectations of future profitability, undiscounted cash flows, and management’s plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. No impairment of intangible assets was recorded during the two years ended December 31, 2018 and 2017. The Company recognized an asset impairment charge of $0.6 million in the year ended December 31, 2016, related to the impairment of nonrecoverable intangible assets acquired in the ALM and Jarvis Labs, Inc. acquisitions for customer relationships and trademarks.

Leases

The Company leases office space and certain computer equipment in multiple locations under non-cancelable lease agreements. The leases are reviewed for classification as operating, capital, or build-to-suit leases. For operating leases, rent is recognized on a straight-line basis over the lease period. For capital leases, the Company records the leased asset with a corresponding liability. Payments are recorded as reductions to the liability with an appropriate interest charge recorded based on the then-outstanding remaining liability. Upon adoption of ASU 2016-02—Leases, the Company will recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases.

The Company considers the nature of the renovations and the Company’s involvement during the construction period of newly-leased office space to determine if it is considered, for accounting purposes only, to be the owner of the construction project during the construction period. If the Company determines that it is the owner of the construction project, it is required to capitalize the fair value of the building as well as the construction costs incurred on its Consolidated Balance Sheet along with a corresponding financing liability (“build-to-suit accounting”). Upon occupancy for build-to-suit leases, the Company assesses

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Notes to Consolidated Financial Statements

whether the circumstances qualify for sales recognition under the sale-leaseback accounting guidance. If the lease meets the sale-leaseback criteria, the Company will remove the asset and related financial obligation from the balance sheet and treat the building lease as an operating lease. If upon completion of construction, the project does not meet the sale-leaseback criteria, the leased property will be treated as a capital lease for financial reporting purposes.

In May 2016, the Company took possession of its corporate headquarters in Brooklyn, New York upon substantial completion of the construction phase of the build-out. Upon completion of the project, the Company performed a sale-leaseback analysis pursuant to Accounting Standards Codification (“ASC”) 840—Leases, to determine the appropriateness of removing the previously capitalized assets from the Consolidated Balance Sheets. The Company concluded that components of “continuing involvement” were evident as a result of this review, precluding the derecognition of the related assets from the Consolidated Balance Sheets. In conjunction with the initiation of the lease in May 2014, the Company also recorded a facility financing obligation equal to the fair market value of the assets received from the landlord. As of December 31, 2018, the facility financing obligation outstanding was $60.0 million. The Company does not report rent expense for the lease. Rather, rental payments under the lease are recognized as a reduction of the financing obligation and interest expense, and the associated asset capitalized throughout the construction project is depreciated over its estimated useful life. Upon adoption of ASU 2016-02—Leases, the Company will derecognize the facility financing obligation and any gains or losses associated with this change in accounting will be recognized through a cumulative-effect adjustment to accumulated deficit as of January 1, 2019. Additionally, a new right-of-use asset and lease liability will be recognized on the Consolidated Balance Sheet for the associated lease. See “Recently Issued Accounting Pronouncements” below for additional information on the impact of ASU 2016-02—Leases.

Contingencies

The Company accrues for loss contingencies when losses become probable and are reasonably estimable. If the reasonable estimate of the loss is a range and no amount within the range is a better estimate, the minimum amount of the range is recorded as a liability. The Company does not accrue for contingent losses that, in its judgment, are considered to be reasonably possible, but not probable; however, it discloses the range of such reasonably possible losses.

Recently Issued Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board (“FASB”) issued ASU 2016-02—Leases, and additional changes, modifications, clarifications, or interpretations related to this guidance thereafter, which require a reporting entity to recognize right-of-use assets and lease liabilities on the balance sheet for operating leases to increase transparency and comparability. The new guidance is effective for annual and interim periods beginning after December 15, 2018, and early adoption is permitted. The Company will adopt this guidance on a modified retrospective basis as of January 1, 2019, utilizing transition guidance introduced in ASU 2018-11—Leases: Targeted Improvements and expects to elect the ‘package of practical expedients,’ which permits the Company not to reassess prior conclusions about lease identification, classification and initial direct costs. The Company does not expect to elect the use-of-hindsight or the practical expedient pertaining to land easements; the latter not being applicable.

The Company has not yet finalized the review, however, the Company is expecting that this standard will have a material effect on the Company’s Consolidated Financial Statements. The most significant effects relate to the recognition of new right-of-use assets and lease liabilities on the Consolidated Balance Sheet for real estate operating leases; the derecognition of existing assets and liabilities for a sale-leaseback transaction (arising from a build-to-suit lease arrangement on our Brooklyn headquarters for which construction is complete and the Company is leasing the constructed asset) that currently does not qualify for sale accounting; and providing significant new disclosures about leasing activities. However, the Company does not expect adoption to have a material impact on its results of operations or liquidity. The accounting for capital leases is expected to remain substantially unchanged. Upon adoption, the Company will:

• recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases;

• derecognize existing facility financing obligations and the related existing building asset for our corporate headquarters. Any gains or losses associated with this change in accounting will be recognized through a cumulative-effect adjustment to accumulated deficit as of January 1, 2019. Additionally, a new right-of-use asset and lease liability

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will be recognized on the Consolidated Balance Sheet for the associated lease, which will be classified as a financing lease.

The new standard also provides practical expedients for an entity’s ongoing accounting. The Company will elect the short-term lease recognition exemption for all leases that qualify. Accordingly, we will not recognize right-of-use assets or lease liabilities for leases that qualify, including leases for existing short-term leases in effect at transition and will recognize those payments on the Consolidated Statements of Operations on a straight-line basis over the lease term. The Company will elect the practical expedient to not separate lease and non-lease components for all its leases.

In January 2016, the FASB issued ASU 2016-13—Financial Instruments—Credit Losses, and additional changes, modifications, clarifications or interpretations related to this guidance thereafter, which require a reporting entity to estimate credit losses on certain types of financial instruments, and present assets held at amortized cost and available-for-sale debt securities at the amount expected to be collected. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impact of the new guidance on its Consolidated Financial Statements.

In July 2018, FASB issued ASU 2018-09—Codification Improvements, which clarifies, corrects, and makes minor improvements across multiple topics in the codification. The transition and effective dates are based on the facts and circumstances of each amendment, with some amendments becoming effective upon issuance of the update, and others becoming effective for annual periods beginning after December 15, 2018. The amendments that were effective upon issuance of the update did not have an impact on the Company’s Consolidated Financial Statements. The Company is currently evaluating the impact of the adoption of the other amendments on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU 2018-15—Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new guidance on its Consolidated Financial Statements.

Recently Adopted Accounting Pronouncements

In May 2014, the FASB issued ASU 2014-09—Revenue from Contracts with Customers, and additional changes, modifications, clarifications, or interpretations related to this guidance thereafter, which replaces existing revenue recognition guidance. The new guidance was effective for the annual and interim periods beginning after December 15, 2017. Among other things, the updated guidance requires companies to recognize revenue in a way that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The Company adopted the requirements of the new guidance as of January 1, 2018, utilizing the full retrospective method of transition. In connection with the adoption, the company reclassified Etsy Payments revenue from Services revenue to Marketplace revenue in the Consolidated Statements of Operations. Aside from this presentation reclassification, adoption of the new guidance did not result in changes to the prior year or current year Consolidated Financial Statements. See“Revenue Recognition” above and Note 2—Revenue” for additional information regarding revenue recognition.

In November 2016, the FASB issued ASU 2016-18—Statement of Cash Flows: Restricted Cash, which requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. The new guidance is effective for the annual and interim periods beginning after December 15, 2017. The Company adopted this standard in the first quarter of 2018 utilizing the full retrospective method of transition. As a result of this guidance, the Company reclassified $5.3 million on the Consolidated Statement of Cash Flows in the year ended December 31, 2018, 2017, and 2016 to include restricted cash in the beginning and ending cash, cash equivalents, and restricted cash balances.

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Notes to Consolidated Financial Statements

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statement of Cash Flows (in thousands):

	Year Ended December 31,
	2018		2017		2016
Beginning balance:
Cash and cash equivalents	$	315,442	$	181,592	$	271,244
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	320,783	$	186,933	$	276,585
Ending balance:
Cash and cash equivalents	$	366,985	$	315,442	$	181,592
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	372,326	$	320,783	$	186,933

The balances included in restricted cash represent amounts held as collateral associated with the lease of the Company’s Brooklyn, New York headquarters. This standard had no other impact to the Consolidated Financial Statements.

In June 2018, the FASB issued ASU 2018-07—Improvements to Nonemployee Share-Based Payment Accounting, which expands the scope of ASC Topic 718—Compensation—Stock Compensation, to include share-based payment transactions for acquiring goods and services from non-employees. The new guidance is effective for annual and interim periods beginning after December 15, 2018, and early adoption is permitted. The Company adopted this standard in the third quarter of 2018 noting that the adoption of the standard had no material impact on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU 2018-13—Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement, which adds, modifies, and removes various disclosure requirements for fair value measurements. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company adopted this standard in the third quarter of 2018 noting that the adoption of the standard had no impact on its fair value measurement disclosures.

Note 2—Revenue

The following table summarizes revenue by type of service for the periods presented (in thousands):

	Year Ended December 31,
	2018		2017		2016
Marketplace revenue (1)	$	440,740	$	326,076	$	269,628
Services revenue	158,928		111,869		89,433
Other revenue	4,025		3,286		5,906
Revenue	$	603,693	$	441,231	$	364,967

(1) Etsy Payments revenue for the years ended December 31, 2018, 2017, and 2016 has been reclassified and presented within Marketplace revenue. Comparative periods have been reclassified to conform to current period presentation.

See “Note 1—Basis of Presentation and Summary of Significant Accounting Policies —Revenue Recognition” for additional information on recognition.

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Notes to Consolidated Financial Statements

Payment terms

As of November 13, 2018, for Etsy sellers using Etsy Payments, all charges, including listing fees, transaction fees, Etsy Payments fees, Promoted Listings fees, Etsy Shipping Labels fees, Pattern fees, Etsy Plus fees, are deducted from the funds credited to the seller’s shop payment account in the seller’s ledger currency prior to settlement of those funds to the seller’s bank account. Etsy sellers receive a statement electronically on the first day of each month outlining the previous month’s charges and any remaining amount due after the Company’s fees are deducted from the seller’s shop payment account. Etsy sellers that do not use Etsy Payments receive a statement electronically on the first day of each month for the previous month’s charges in U.S. Dollars, including all listing fees, transactions fees, Promoted Listing fees, Etsy Shipping Labels fees, Pattern fees, and Etsy Plus fees. Payment is due by the 15th of every month.

Prior to November 13, 2018, Etsy sellers would receive a statement electronically on the first day of each month for the previous month’s charges in U.S. Dollars, including all listing fees, transactions fees, Promoted Listing fees, Etsy Shipping Labels fees, Pattern fees, and Etsy Plus fees. Payment was due by the 15th of every month. Prior to November 13, 2018 only Etsy Payments fees were deducted from the funds credited to the seller’s shop payment account in the seller’s ledger currency prior to settlement of those funds to the seller’s bank account.

Contract balances

Deferred revenues

The Company records deferred revenues when cash payments are received or due in advance of the completion of the listing or subscription period, which represents the value of the Company’s unsatisfied performance obligations. Deferred listing revenue is recognized ratably over the remainder of the four-month listing period, unless the item is sold or the seller re-lists it, at which time any remaining listing fee is recognized.

Deferred Etsy Plus subscription revenues related to the enhanced features described in “Note 1—Basis of Presentation and Summary of Significant Accounting Policies —Revenue Recognition” are recognized ratably over the 30-day subscription period. Credits for Promoted Listings are recognized when used, or when the 30-day subscription period expires. Credits for listing fees are recognized over the four-month listing period when used, and any unused credits are recognized when the 30-day subscription period expires. The amount of revenue recognized in the year ended December 31, 2018 that was included in the deferred balance at the beginning of the period was $6.3 million.

Significant judgments

Judgment is required to assess the nature of the services that the Company promises to its customers and the timing of satisfaction of those promised services.

For services that are refundable, the Company accounts for the right of return as a refund liability and reduction of revenue recognized in the amount of refunds that are expected to be issued.Refunds are estimated monthly, are based on historical refund patterns, and are updated at the end of each reporting period as additional information becomes available.

Note 3—Income Taxes

The following are the domestic and foreign components of the Company’s income (loss) before income taxes (in thousands):

	Year Ended   December 31,
	2018		2017			2016
Domestic	$	36,157	$	(16,583	)	$	25,910
Foreign	18,921		48,848			(28,786		)
Income (loss) before income taxes	$	55,078	$	32,265		$	(2,876	)

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Etsy, Inc.

Notes to Consolidated Financial Statements

The income tax (benefit) provision is comprised of the following (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Current:
Federal	$	709		$	(6,397	)	$	22,084
State	(578		)	79			2,623
Foreign	600			476			580
Total current	731			(5,842		)	25,287
Deferred:
Federal	(3,343		)	(34,948		)	2,008
State	3,496			(8,778		)	(247		)
Foreign	(23,297		)	33			(23		)
Total deferred	(23,144		)	(43,693		)	1,738
Total income tax (benefit) provision	$	(22,413	)	$	(49,535	)	$	27,025

Beginning in the first quarter of 2017, the Company adopted ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting, and subsequently recorded excess tax deductions on share-based compensation as income tax benefit in its income statement. The current tax expense listed above does not reflect income tax benefits of $3.2 million for the year ended December 31, 2016 related to excess tax deductions on share-based compensation because these benefits were recorded directly to additional paid-in capital. Please refer to “Note 1—Basis of Presentation and Summary of Significant Accounting Policies—Excess Tax Benefits from Exercise of Stock Options” for additional detail regarding the adoption of this accounting standard and its impact on the Consolidated Financial Statements.

A reconciliation of the income tax (benefit) provision at the U.S. federal statutory income tax rate of 21% in 2018 and 35% in 2017 and 2016 to the Company’s total income tax (benefit) provision is as follows (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Income tax provision (benefit) at federal statutory rate	$	11,566		$	11,308		$	(1,007	)
State and local taxes net of federal benefit	3,839			(691		)	1,545
Foreign income tax rate differential	(298		)	(11,878		)	5,849
Stock-based compensation	(11,717		)	(12,584		)	1,412
Non-deductible items	(329		)	168			267
Uncertain tax positions	382			789			4,033
Return to provision adjustment	3,293			167			(498		)
Non-deductible acquisition costs	—			—			199
Change in valuation allowance	(28,733		)	(4,673		)	4,911
Research and development credit	(4,115		)	(1,098		)	(2,170		)
Deferred charge on restructuring	—			—			12,168
U.S. tax reform	3,897			(31,063		)	—
Other	(198		)	20			316
Total income tax (benefit) provision	$	(22,413	)	$	(49,535	)	$	27,025

On December 22, 2017, the U.S. government enacted the TCJA, as described above, which includes significant changes to the taxation of business entities. These changes include, among others, (1) a permanent reduction to the corporate income tax rate, (2) a partial limitation on the deductibility of business interest expense (“163(j) Interest Limitation”), and (3) a shift of the U.S. taxation of multinational corporations from a tax on worldwide income to a quasiterritorial system (along with certain rules designed to prevent erosion of the U.S. income tax base).

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Etsy, Inc.

Notes to Consolidated Financial Statements

Effective January 1, 2018, the Company is subject to several provisions of the TCJA including computations under GILTI and Foreign Derived Intangible Income (“FDII”). The Company does not currently meet the revenue threshold for the Base Erosion and Anti-Abuse Tax (“BEAT”). For the GILTI and FDII computations, the Company recorded tax expense using the current available regulations and technical guidance on the interpretations of the TCJA. As required by SEC Staff Accounting Bulletin 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act, we have finalized our accounting analysis based on the guidance and regulations available as of December 31, 2018. We have recorded the impacts of the TCJA in our effective tax rate and have elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI using the period cost method. The Company will continue to monitor the forthcoming regulations and additional guidance of the GILTI, FDII, and BEAT provisions under the TCJA, which are complex and subject to continuing regulatory interpretation by the IRS.

A secondary driver of the income tax provision for the year ended December 31, 2018 and December 31, 2017 was the recognition of excess tax benefits from stock-based compensation as a result of the adoption of ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting in the first quarter of 2017. As a result of this updated guidance, we recorded $12.0 million and 12.8 million of excess tax benefits, rather than additional paid-in capital, for the years ended December 31, 2018 and 2017.

The primary driver of the income tax benefit for the year ended December 31, 2017 was the impact on deferred taxes from the reduction in the U.S. federal corporate tax rate beginning in 2018. On December 22, 2017, the TCJA was signed into law, which, among other items, reduced the corporate income tax rate from 35% to 21%. As a result, our deferred taxes and certain unrecognized tax benefits at December 31, 2017 have been revalued at the reduced 21% rate. The revaluation resulted in a benefit for income taxes of approximately $31.1 million for the year ended December 31, 2017.

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax assets (liabilities) are as follows (in thousands):

	As of December 31,
	2018			2017
Deferred tax assets:
Net operating loss carryforwards	$	13,347		$	24,625
Amortization of acquired intangibles	12,109			15,631
Research and development credit carryforwards	7,567			3,597
Stock-based compensation expense	6,623			3,776
Accrued VAT liability	43			42
Alternative minimum tax credit	274			274
Allowance for doubtful accounts	545			384
Deferred rent	529			573
Accrued vacation	744			623
Unrealized loss on foreign currency	—			527
Other, net	1,301			300
Total deferred tax assets	43,082			50,352
Less valuation allowance	1,673			32,455
Total net deferred tax asset	41,409			17,897
Deferred tax liabilities:
Depreciation	(6,933		)	(6,850		)
Global corporate restructuring liability	(33,730		)	(33,783		)
Convertible debt	(7,283		)	—
Unrealized gain on foreign currency	(92		)	—
Other liabilities	(362		)	(891		)
Total deferred tax liabilities	(48,400		)	(41,524		)
Net deferred tax liabilities	$	(6,991	)	$	(23,627	)

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Etsy, Inc.

Notes to Consolidated Financial Statements

The 2017 deferred tax balances have been revised to correct the Company’s disclosures related to the adoption of ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory. The revision increases both the deferred tax assets and valuation allowance by $21.4 million resulting in no change to the net deferred tax asset. The Company has concluded that this disclosure omission was not material to the 2017 Consolidated Financial Statements.

The Company anticipates utilizing federal and state income tax NOL carryforwards as a result of its 2018 activity. The NOL deferred tax asset balance additionally includes losses in certain foreign jurisdictions that are currently subject to a valuation allowance.

As of December 31, 2018 and 2017, the Company had $7.6 million and $3.6 million, respectively, of federal research and development tax credit carryforwards which will begin to expire in 2035 if unused.

The Company assesses the likelihood of its ability to realize the benefit of its deferred tax assets in each jurisdiction by evaluating all relevant positive and negative evidence at each reporting date. To the extent the Company determines that some or all of its deferred tax assets are not more likely than not to be realized, it establishes a valuation allowance. For the year ended December 31, 2018, in part because in the current year, the Company achieved three years of cumulative pre-tax income in certain of its foreign jurisdictions, management determined that sufficient positive evidence exists as of December 31, 2018, to conclude that is is more likely than not that deferred tax assets of $23.4 million will be utilized in those jurisdictions. Additionally, the Company determined that the existence of a three-year cumulative loss incurred in certain other foreign jurisdictions, inclusive of 2018, constituted sufficiently strong negative evidence to warrant the maintenance of a valuation allowance. As a result, a valuation allowance of $1.7 million as of December 31, 2018 has been recorded against certain of the Company’s deferred tax assets. The amount of the deferred tax assets considered realizable is $41.4 million.

The following table summarizes the valuation allowance activity for the periods indicated (in thousands). It has been revised to reflect the Company’s adoption of ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory:

	Year Ended   December 31,
	2018			2017		2016
Balance as of the beginning of period	$	32,455		$	13,839	$	9,540
Additions charged to expense	—			16,743		4,886
Deletions credited to expense	(28,733		)	—		—
Currency translation	(2,049		)	1,873		(587		)
Balance as of the end of period	$	1,673		$	32,455	$	13,839

The Company has not recorded deferred income taxes and withholding taxes with respect to undistributed earnings from its non-U.S. subsidiaries as such earnings are intended to be reinvested indefinitely. The amount of undistributed earnings of non-U.S. subsidiaries at December 31, 2018, as well as the related deferred income tax, if any, is not material.

The following table summarizes the unrecognized tax benefit activity for the periods indicated (in thousands):

	As of December 31,
	2018			2017			2016
Balance as of the beginning of period	$	17,013		$	23,574		$	22,229
Additions based on tax positions related to the current year	921			732			1,071
Additions for tax positions of prior years	946			118			274
Reductions for tax provisions of prior years	(61		)	(7,411		)	—
Balance as of the end of period	$	18,819		$	17,013		$	23,574

The amount of unrecognized tax benefits included on the Consolidated Balance Sheets as of December 31, 2018, 2017, and 2016 are $18.8 million, $17.0 million, and $23.6 million, respectively. The total amount of unrecognized tax benefits that, if recognized, would favorably affect the effective tax rate is $18.8 million at December 31, 2018.

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Etsy, Inc.

Notes to Consolidated Financial Statements

We recognize interest and/or penalties related to uncertain tax positions in income tax expense. In 2018, $0.3 million was included in tax expense for interest and penalties. The amount of interest and penalties accrued as of December 31, 2018 and 2017 was approximately $0.5 million and $0.2 million, respectively.

In January 2015, the Company implemented an updated global corporate structure to more closely align with its global operations and future expansion plans outside of the United States. The new structure changed how the Company uses its intellectual property and implemented certain intercompany arrangements. The Company believes this may eventually result in a reduction in its overall effective tax rate and other operational efficiencies. The revised structure resulted in the setup of a deferred tax liability in the amount of $66.0 million on the taxable gain created in the transaction. Concurrently, the Company recorded an asset of $66.0 million for the deferred tax charge representing the future income tax on the gain, which would have been amortized into income tax expense through 2019. During the first quarter of 2017, the Company adopted ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory, resulting in a cumulative adjustment to retained earnings for the unamortized balance of the deferred tax charge at December 31, 2016.

The Company is subject to taxation in the United States, New York, and various other states and foreign jurisdictions. As of December 31, 2018, tax year 2014 and later remain open to examination.

Note 4—Net Income (Loss) Per Share

The following table presents the calculation of basic and diluted net income (loss) per share for periods presented (in thousands except share and per share amounts):

	Year Ended   December 31,
	2018			2017			2016
Numerator:
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Net income (loss) allocated to participating securities under the two-class method	(37		)	(80		)	—
Net income (loss) applicable to common stockholders—basic	77,454			81,720			(29,901		)
Dilutive effect of net income allocated to participating securities under the two-class method	37			80			—
Change in fair value of liability classified restricted stock	—			771			—
Net income (loss) applicable to common stockholders—diluted	$	77,491		$	82,571		$	(29,901	)
Denominator:
Weighted average common shares outstanding—basic (1)	120,146,076			118,538,687			113,562,738
Dilutive effect of assumed conversion of options to purchase common stock	4,238,622			2,498,448			—
Dilutive effect of assumed conversion of restricted stock units	1,721,658			1,177,799			—
Dilutive effect of assumed conversion of convertible debt	900,580			—			—
Diluted effective of assumed conversion of restricted stock from acquisition	77,849			52,739			—
Weighted average common shares outstanding—diluted	127,084,785			122,267,673			113,562,738
Net income (loss) per share applicable to common stockholders—basic	$	0.64		$	0.69		$	(0.26	)
Net income (loss) per share applicable to common stockholders—diluted	$	0.61		$	0.68		$	(0.26	)

(1) 57,482 shares of unvested stock are considered participating securities and are excluded from basic shares outstanding for the year ended December 31, 2018.

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Etsy, Inc.

Notes to Consolidated Financial Statements

The following potential common shares were excluded from the calculation of diluted net income (loss) per share attributable to common stockholders because their effect would have been anti-dilutive for the periods presented:

	Year Ended   December 31,
	2018	2017	2016
Stock options	475,238	4,902,664	10,041,403
Restricted stock units	136,998	435,358	2,043,544
Warrants	—	—	33,447
Total anti-dilutive securities	612,236	5,338,022	12,118,394

Note 5—Business Combinations

On September 19, 2016, the Company acquired all of the outstanding common stock of Blackbird Technologies Inc (“Blackbird”), a machine learning company, for $32.5 million. The Company completed this acquisition to improve the quality and relevance of search on Etsy.com. Total consideration for the acquisition was approximately $15.0 million, consisting of $8.1 million in cash and 513,304 shares of the Company’s common stock with a fair value of $6.9 million on the acquisition date. Additionally, the Company issued 184,230 shares of restricted stock and restricted stock units (“RSUs”) on the acquisition date with a fair value of $2.5 million which are tied to continuous service with the Company as an employee and are being accounted for as post-combination stock-based compensation expense over up to a three-year vesting period. The Company agreed to pay up to an additional $8.8 million in cash and issue an aggregate of up to 460,575 shares of RSUs post-close with a fair value of $6.2 million, both of which are also tied to continuous service with the Company as an employee and are being accounted for as post-combination stock-based and other compensation expense over up to a three-year vesting period. A portion of the consideration and post-combination compensation is subject to indemnification provisions.

The below table summarizes the components of the Blackbird purchase price and allocation of the purchase price at fair value (in thousands):

Cash paid	$	8,050
Common shares	6,966
Total purchase consideration	$	15,016
Net working capital	$	81
Developed technology	7,200
Customer relationships	1,250
Goodwill	8,660
Deferred tax liability	(2,175		)
Net assets acquired	$	15,016

Included in working capital is approximately $0.2 million of cash acquired.

The amounts allocated to developed technology and customer relationships (the acquired intangible assets) total $8.5 million. The acquired identifiable intangible assets are being amortized on a straight-line basis approximating the pattern in which the assets are utilized. Acquired technology intangible assets will amortize over three years and acquired customer relationships were amortized over six months from the acquisition date. The fair value assigned to developed technology was determined primarily by using the cost approach, which estimates the cost to reproduce the asset, adjusted for loss due to functional and economic obsolescence. The fair value of the Company’s customer relationships was determined primarily by using the income approach, which discounts expected future cash flows to present value using estimates and assumptions determined by management. Goodwill recorded in connection with the Blackbird acquisition is primarily attributed to the value of the acquired workforce and their future contribution to Etsy. None of the resulting goodwill is deductible for tax purposes.

The Company incurred approximately $0.6 million in acquisition-related costs in the Blackbird acquisition in the year ended December 31, 2016, included in general and administrative expenses. This acquisition contributed $2.4 million to the Company’s consolidated net loss in the year ended December 31, 2016.

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The following unaudited pro forma financial information presents the combined operating results of the Company and Blackbird as if the acquisition had occurred on January 1, 2015. The unaudited pro forma financial information includes the accounting effects of the business combination, including adjustments to the amortization of intangible assets, stock-based and other compensation expenses, and professional fees associated with the acquisition. The unaudited pro forma information does not necessarily reflect the actual results that would have been achieved, nor is it necessarily indicative of our future consolidated results.

The unaudited pro forma financial information is presented in the table below for the year ended December 31, 2016 (in thousands except per share amounts):

	Year Ended December 31,
	2016
Revenue	$	365,786
Net loss	(35,401		)
Basic and diluted net loss per share	(0.31		)

Note 6—Goodwill and Intangible Assets

The following table summarizes the changes in the carrying amount of goodwill for the periods indicated (in thousands):

	Year Ended   December 31,
	2018			2017
Balance as of the beginning of the period	$	38,541		$	35,657
Foreign currency translation adjustments	(1,059		)	2,884
Balance as of the end of the period	$	37,482		$	38,541

The Company did not recognize any goodwill impairments during the years ended December 31, 2018, 2017, and 2016.

At December 31, 2018 and 2017, the gross book value and accumulated amortization of intangible assets were as follows (in thousands):

	As of December 31, 2018							As of December 31, 2017
	Gross book value		Accumulated amortization			Net book value		Gross book value		Accumulated amortization			Net book value
Technology	$	7,200	$	(5,500	)	$	1,700	$	7,200	$	(3,100	)	$	4,100
Referral agreement	34,595		(1,874		)	32,721		—		—			—
Patent licenses	172		(4		)	168		—		—			—
Intangible assets, net	$	41,967	$	(7,378	)	$	34,589	$	7,200	$	(3,100	)	$	4,100

On June 15, 2018, the Company entered into a referral agreement with DaWanda GmbH (“DaWanda”), a privately held Germany-based marketplace for gifts and handmade items. As part of this agreement, DaWanda agreed to encourage its community of buyers and sellers to migrate to the Etsy platform. DaWanda wound down its operations and shut down its site on August 30, 2018. Etsy did not acquire any of DaWanda’s assets, liabilities, or employees as part of this agreement. The Company accounted for the agreement as an asset acquisition and the referral agreement intangible asset will be amortized on a straight-line basis over a period of 10 years.

The Company acquired intangible assets valued at $8.5 million in the Blackbird acquisition on September 19, 2016.

Amortization expense for the years ended December 31, 2018, 2017, and 2016 was $4.3 million, $3.4 million, and $3.3 million, respectively.

The Company did not recognize any intangible asset impairment losses in the years ended December 31, 2018 and 2017. The Company recognized a $0.6 million intangible asset impairment loss during the year ended December 31, 2016, included in

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asset impairment charges. During the fourth quarter of 2016, the Company determined that there were indicators present that the carrying amount of intangible assets acquired in the ALM and Jarvis Labs, Inc. (“Grand St.”) acquisitions may not be recoverable. The Company prepared an undiscounted cash flow analysis and determined that intangible assets for customer relationships and trademarks acquired in the ALM and Grand St. acquisitions were not recoverable. The Company used the income approach to determine the fair value of intangible assets and concluded that these assets were fully impaired.

Based on amounts recorded at December 31, 2018, the Company estimates intangible asset amortization expense in each of the years ending December 31 as follows (in thousands):

2019	$	5,178
2020	3,477
2021	3,477
2022	3,477
2023	3,477
Thereafter	15,503
Total amortization expense	$	34,589

Note 7—Segment and Geographic Information

The Company has determined it operates as one operating and reportable segment for purposes of allocating resources and evaluating financial performance.

Revenue by country is based on the billing address of the seller. The following table summarizes revenue, income (loss) before income taxes and net income (loss) by geographic area (in thousands):

	Year Ended   December 31,
	2018		2017			2016
United States	$	425,841	$	317,755		$	276,537
International	177,852		123,476			88,430
Revenue	$	603,693	$	441,231		$	364,967
United States (1)	$	10,778	$	(43,014	)	$	9,123
International (2)	44,300		75,279			(11,999		)
Income (loss) before income taxes	$	55,078	$	32,265		$	(2,876	)
United States (3)	$	10,493	$	7,029		$	(17,345	)
International (2)	66,998		74,771			(12,556		)
Net income (loss)	$	77,491	$	81,800		$	(29,901	)

(1) The United States loss before income taxes in the year ended December 31, 2017 was primarily driven by a foreign exchange loss, interest associated with the build-to-suit lease accounting related to our corporate headquarters, restructuring and other exit costs, and asset impairment charges. See “Note 17—Restructuring and Other Exit Costs (Income)” and “Note 6—Goodwill and Intangible Assets” for additional information on restructuring and other exit costs and asset impairment charges.

(2) The international loss before income taxes and net loss in the year ended December 31, 2016 was primarily driven by a foreign exchange loss related to the U.S. Dollar to Euro exchange rate fluctuations on the Company's intercompany and other non-functional currency balances.

(3) The United States net loss in the year ended December 31, 2016 was primarily driven by an income tax provision recorded in the period, mainly attributable to tax expense related to the updated corporate structure. See “Note 3—Income Taxes” for additional information.

No individual international country’s revenue exceeded 10% of total revenue. All significant long-lived assets are located in the United States.

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Note 8—Fair Value Measurements

The Company has characterized its investments in marketable securities, based on the priority of the inputs used to value the investments, into a three-level fair value hierarchy. The fair value hierarchy gives the highest priority to quoted prices in active markets for identical assets or liabilities (Level 1), and lowest priority to unobservable inputs (Level 3). If the inputs used to measure the investments fall within different levels of the hierarchy, the categorization is based on the lowest level input that is significant to the fair value measurement of the investment. Investments recorded in the accompanying Consolidated Balance Sheet are categorized based on the inputs to valuation techniques as follows:

Level 1—These are investments where values are based on unadjusted quoted prices for identical assets in an active market that the Company has the ability to access.

Level 2—These are investments where values are based on quoted market prices in markets that are not active or model derived valuations in which all significant inputs are observable in active markets.

Level 3—These are liabilities where values are derived from techniques in which one or more significant inputs are unobservable.

The following are the major categories of assets and liabilities measured at fair value on a recurring basis as of the dates indicated (in thousands):

	As of December 31, 2018
	Level 1		Level 2		Level 3		Total
Asset
Cash equivalents:
Commercial paper	$	—	$	7,775	$	—	$	7,775
Money market funds	244,856		—		—		244,856
	244,856		7,775		—		252,631
Short-term investments:
Commercial paper	—		147,860		—		147,860
Corporate bonds	—		46,801		—		46,801
U.S. Government and agency securities	62,641		—		—		62,641
	62,641		194,661		—		257,302
Funds receivable and seller accounts:
Money market funds	9,229		—		—		9,229
	9,229		—		—		9,229
	$	316,726	$	202,436	$	—	$	519,162

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	As of December 31, 2017
	Level 1		Level 2		Level 3		Total
Asset
Cash equivalents:
Commercial paper	$	—	$	11,290	$	—	$	11,290
Money market funds	204,867		—		—		204,867
U.S. Government and agency securities	24,989		—		—		24,989
	229,856		11,290		—		241,146
Short-term investments:
Commercial paper	—		2,998		—		2,998
Corporate bonds	—		12,748		—		12,748
U.S. Government and agency securities	9,362		—		—		9,362
	9,362		15,746		—		25,108
Funds receivable and seller accounts:
Money market funds	14,144		—		—		14,144
	14,144		—		—		14,144
	$	253,362	$	27,036	$	—	$	280,398

Level 1 instruments include investments in debt securities including money market funds and U.S. Government and agency securities, which are valued based on inputs including quotes from broker-dealers or recently executed transactions in the same or similar securities.

Level 2 instruments include investments in debt securities, including fixed-income funds consisting of investments in commercial paper and corporate bonds, which are valued based on quoted market prices in markets that are not active or model derived valuations in which all significant inputs are observable in active markets.

Level 3 instruments historically included post-combination compensation classified as a liability in connection with the acquisition of ALM. The post-combination compensation was classified as a liability due to its affiliation with a related put option, which expired upon vesting of the underlying consideration in the second quarter of 2017, and its fair value was previously determined based on the fair value of the Company’s common stock at the period-end reporting date, with adjustments included in general and administrative expenses.

See “Note 9—Marketable Securities” for additional information on the Company’s marketable securities measured at fair value.

Disclosure of Fair Values

Our financial instruments that are not remeasured at fair value include the Notes (see “Note 13—Debt”). The Company estimates the fair value of the Notes through consideration of quoted market prices of similar instruments, classified as Level 2 as described above. The estimated fair value of the Notes was $279.1 million as of December 31, 2018.

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Note 9—Marketable Securities

Short-term investments and certain cash equivalents consist of investments in debt securities that are available-for-sale. The cost and fair value of available-for-sale securities were as follows as of the dates indicated (in thousands):

	Cost		Gross Unrealized Holding Loss			Gross Unrealized Holding Gain		Fair Value
December 31, 2018
Cash equivalents:
Commercial paper	$	7,775	$	—		$	—	$	7,775
	7,775		—			—		7,775
Short-term investments:
Commercial paper	147,860		—			—		147,860
Corporate bonds	46,836		(35		)	—		46,801
U.S. Government and agency securities	62,638		(9		)	12		62,641
	257,334		(44		)	12		257,302
	$	265,109	$	(44	)	$	12	$	265,077
December 31, 2017
Cash equivalents:
Commercial paper	$	11,290	$	—		$	—	$	11,290
U.S. Government and agency securities	24,990		(1		)	—		24,989
	36,280		(1		)	—		36,279
Short-term investments:
Commercial paper	2,998		—			—		2,998
Corporate bonds	12,754		(6		)	—		12,748
U.S. Government and agency securities	9,352		(1		)	11		9,362
	25,104		(7		)	11		25,108
	$	61,384	$	(8	)	$	11	$	61,387

The Company’s investments in marketable securities consist primarily of investments debt securities, including fixed-income funds and U.S. Government and agency securities. When evaluating investments for other-than-temporary impairment, the Company reviews factors such as length of time and extent to which fair value has been below cost basis, the financial condition of the issuer and the Company’s ability, and intent to hold the investment for a period of time, which may be sufficient for anticipated recovery in market value. The Company evaluates fair values for each individual security in the investment portfolio.

See “Note 8—Fair Value Measurements” for additional information on the Company’s marketable securities measured at fair value.

Note 10—Warrants

As of December 31, 2018, 2017, and 2016, the Company did not have any outstanding warrants.

In May 2016, the Company issued 80,011 shares of common stock upon the net exercise of warrants to purchase 97,931 shares of common stock with a weighted-average exercise price of $1.62 per share and a weighted-average fair market value of common stock at the date of exercise of $8.88. The warrant holders exercised this warrant in a cashless transaction and 17,920 shares were forfeited to the Company as payment of the exercise price.

The Company did not record any unrealized gains or losses from the remeasurement of the warrants to fair value in the years ended December 31, 2018, 2017, and 2016.

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Note 11—Property and Equipment

Property and equipment consisted of the following as of the dates indicated (in thousands):

		As of December 31,
	Estimated useful lives	2018		2017
Computer equipment	3 years	$	36,670	$	35,587
Furniture and equipment	2 - 4 years	6,574		6,194
Software	1 - 3 years	—		908
Leasehold improvements	Shorter of life of asset or lease term	10,731		10,929
Construction in progress	Not applicable	551		—
Building	25 years	81,892		81,892
Website development and internal-use software	Shorter of life of asset or contract term	69,201		48,333
		205,619		183,843
Less: Accumulated depreciation and amortization		85,440		66,226
		$	120,179	$	117,617

Depreciation and amortization expense on property and equipment was $22.4 million, $23.8 million, and $19.2 million for the years ended December 31, 2018, 2017, and 2016, respectively, which includes amortization expense for equipment acquired under capital leases of $5.9 million, $7.7 million, and $6.3 million for the years ended December 31, 2018, 2017, and 2016, respectively. The gross balance of leased equipment as of December 31, 2018 and 2017 was $29.7 million and $27.7 million, respectively. The related accumulated amortization of equipment under capital leases was $24.4 million and $18.6 million at December 31, 2018 and 2017, respectively.

The following table summarizes capitalized website development and internal-use software activities during the periods indicated (in thousands):

	Year Ended   December 31,
	2018		2017
Balance as of the beginning of the period	$	48,333	$	43,294
Additions to website development, excluding stock-based compensation	19,816		10,028
Additions to website development—stock-based compensation	2,252		807
Less: Retirements	1,200		625
Less: Impairments	—		5,171
	69,201		48,333
Less:
Accumulated amortization balance as of the beginning of the period	29,991		24,155
Amortization Expense	9,519		8,209
Less: Retirements	1,092		364
Less: Impairments	—		2,009
Accumulated amortization balance as of the end of the period	38,418		29,991
	$	30,783	$	18,342

For the years ended December 31, 2018, 2017, and 2016, the Company recorded amortization expense relating to capitalized website development and internal-use software of $9.5 million, $8.2 million, and $6.3 million, respectively. The loss on write-off for capitalized website development and internal-use software assets that were retired during the years ended December 31, 2018, 2017, and 2016 was $0.1 million, $0.3 million, and $0.9 million, respectively.

The Company recognized a $3.2 million impairment loss related to capitalized website development and internal-use software during the year ended December 31, 2017, included in asset impairment charges. During the fourth quarter of 2017, the Company made the decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing, which was

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an indicator that the carrying amount of certain capitalized website development and internal-use software assets may not be recoverable. The Company prepared an undiscounted cash flow analysis and determined that the values for these assets exceeded the expected future cash flows and impaired the remaining book values based on a negative present value of projected undiscounted cash flows.

Note 12—Accrued Expenses

Accrued expenses consisted of the following as of the dates indicated (in thousands):

	As of December 31,
	2018		2017
Vendor accruals	$	17,817	$	14,576
Accrued bonus	12,906		4,364
Sales and use tax payable	12,232		3,682
Accrued vacation	3,787		3,136
Payroll-related liabilities	2,406		2,920
Other	10		65
Total accrued expenses	$	49,158	$	28,743

Note 13—Debt

Convertible Debt

In March 2018, the Company issued $345.0 million aggregate principal amount of 0% Convertible Senior Notes due 2023 (the “Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). The net proceeds from the sale of the Notes were $335.0 million after deducting the initial purchasers’ discount and offering expenses.

The Notes are convertible based upon an initial conversion rate of 27.5691 shares of the Company’s common stock per $1,000 principal amount of Notes (equivalent to an initial conversion price of approximately $36.27 per share). The conversion rate will be subject to adjustment upon the occurrence of certain specified events, including certain distributions and dividends to all or substantially all of the holders of the Company’s common stock. The Company will settle any conversions of the Notes in cash, shares of the Company’s common stock, or a combination thereof, with the form of consideration determined at the Company’s election.

The Notes will mature on March 1, 2023, unless earlier converted or repurchased. Prior to the close of business on the business day immediately preceding November 1, 2022, holders may convert all or a portion of their Notes only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2018 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the 5 business day period after any 10 consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate on each such trading day; (3) with respect to any or all of the Notes called for redemption by the Company prior to the close of business on the business day immediately preceding November 1, 2022, holders may convert all or any portion of their Notes at any time prior to the close of business on the second scheduled trading day prior to the redemption date, even if the Notes are not otherwise convertible at such time; (4) upon the occurrence of specified corporate events. On and after November 1, 2022 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert their Notes at any time, regardless of the foregoing circumstances.

If a fundamental change occurs prior to the maturity date, holders may require the Company to repurchase all or a portion of their Notes for cash at a price equal to 100% of the principal amount of the Notes to be repurchased. Holders of Notes who convert their Notes in connection with a notice of a redemption or a make-whole fundamental change may be entitled to a

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premium in the form of an increase in the conversion rate of the Notes. During the fourth quarter of 2018, the closing price of the Company’s common stock exceeded 130% of the applicable conversion price of the Notes on at least 20 of the last 30 consecutive trading days of the quarter; therefore, holders of the Notes may convert their Notes during the first quarter of 2019. As of December 31, 2018, the Company had not received any conversion notices, and, as such, the Notes are not currently redeemable for cash and are therefore classified as long-term debt. As of December 31, 2018, the if-converted value of the Notes was approximately $107.5 million higher than the aggregate principal amount, or $452.5 million, offset in entirety by the capped call transactions described below.

The Notes are general unsecured obligations of the Company. The Notes rank senior in right of payment to all of the Company’s future indebtedness that is expressly subordinated in right of payment to the Notes; rank equal in right of payment with all of our liabilities that are not so subordinated; are effectively junior to any of the Company’s secured indebtedness; and are structurally junior to all indebtedness and liabilities (including trade payables) of the Company’s subsidiaries.

In accounting for the issuance of the Notes, the Company separated the Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar liability that does not have an associated convertible feature. The carrying amount of the equity component, representing the conversion option, which does not meet the criteria for separate accounting as a derivative as it is indexed to the Company’s own stock, was determined by deducting the fair value of the liability component from the par value of the Notes. The difference between the principal amount of the Notes and the liability component represents the debt discount, which is recorded as a direct deduction from the related debt liability in the Consolidated Balance Sheet and accreted over the period from the date of issuance to the contractual maturity date, resulting in the recognition of non-cash interest expense. The equity component of the Notes of approximately $72.8 million is included in additional paid-in capital in the Consolidated Balance Sheet and is not remeasured as long as it continues to meet the conditions for equity classification. Transaction costs were allocated to the liability and equity components in the same proportion as the allocation of the proceeds. Transaction costs attributable to the liability component were recorded as a direct deduction from the related debt liability in the Consolidated Balance Sheet and are amortized to interest expense using the effective interest method over the term of the Notes, and transaction costs attributable to the equity component were netted with the equity component in stockholders’ equity.

Non-cash interest expense related to the Notes for the year ended December 31, 2018 was $12.2 million. Total unamortized debt issuance costs were $6.7 million as of December 31, 2018.

The estimated fair value of the Notes was $279.1 million as of December 31, 2018. The estimated fair value of the Notes was determined through consideration of quoted market prices for similar instruments. The fair value is classified as Level 2, as defined in “Note 8—Fair Value Measurements.”

Capped Call Transactions

The Company used $34.2 million of the net proceeds from the Notes offering to enter into separate capped call transactions (“Capped Call Transactions”) with the initial purchasers and/or their respective affiliates. The Capped Call Transactions are expected generally to reduce the potential dilution and/or offset the cash payments the Company is required to make in excess of the principal amount of the Notes upon conversion of the Notes in the event that the market price per share of the Company’s common stock is greater than the strike price of the Capped Call Transactions with such reduction and/or offset subject to a cap. The Capped Call Transactions have an initial cap price of $52.76 per share of the Company’s common stock, which represents a premium of 100% over the last reported sale price of the Company’s common stock on March 8, 2018, and is subject to certain adjustments under the terms of the Capped Call Transactions. Collectively, the Capped Call Transactions cover, initially, the number of shares of the Company’s common stock underlying the Notes, subject to anti-dilution adjustments substantially similar to those applicable to the Notes.

The Capped Call Transactions do not meet the criteria for separate accounting as a derivative as they are indexed to the Company’s stock. The premiums paid for the Capped Call Transactions have been included as a net reduction to additional paid-in capital within stockholders’ equity.

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Credit Agreement

The Company terminated the senior secured revolving credit facility pursuant to a Revolving Credit and Guaranty Agreement with several lenders (the “2014 Credit Agreement”) effective as of November 21, 2017. As of the date of termination, there were no borrowings outstanding under the 2014 Credit Agreement and we incurred no additional fees as a result of early termination. In May 2014, the Company entered into a $35.0 million Credit Agreement. In March 2015, the Company amended the 2014 Credit Agreement to increase the credit facility to $50.0 million. In December 2015, the Company amended the 2014 Credit Agreement to clarify certain provisions relating to permitted investments and to make other immaterial updates. The amended 2014 Credit Agreement included a letter of credit sublimit of $10.0 million and a swingline loan sublimit of $15.0 million. The 2014 Credit Agreement, as amended, would have expired in May 2019.

Subsequent Event

On February 25, 2019, the Company entered into a $200.0 million senior secured revolving credit facility pursuant to a Credit Agreement (the “2019 Credit Agreement”) with lenders party thereto from time to time, and Citibank N.A., as administrative Agent. The 2019 Credit Agreement will mature in February 2024. The 2019 Credit Agreement includes a letter of credit sublimit of $30.0 million and a swingline loan sublimit of $10.0 million.

Borrowings under the 2019 Credit Agreement (other than swingline loans) bear interest, at the Company’s option, at (i) a base rate equal to the highest of (a) the prime rate, (b) the federal funds rate plus 0.50%, and (c) an adjusted LIBOR rate for a one-month interest period plus 1.00%, in each case plus a margin ranging from 0.25% to 0.875% or (ii) an adjusted LIBOR rate plus a margin ranging from 1.25% to 1.875%. Swingline loans under the 2019 Credit Agreement bear interest at the same base rate (plus the margin applicable to borrowings bearing interest at the base rate). These margins are determined based on the senior secured net leverage ratio (defined as secured funded debt, net of unrestricted cash up to $100 million, to EBITDA) for the preceding four fiscal quarter period. The Company is also obligated to pay other customary fees for a credit facility of this size and type, including an unused commitment fee, ranging from 0.20% to 0.35% depending on the Company’s senior secured net leverage ratio, and fees associated with letters of credit. The 2019 Credit Agreement also permits the Company, in certain circumstances, to request an increase in the facility by an amount of up to $100.0 million at the same maturity, pricing and other terms and to request an extension of the maturity date for the facility. In connection with the 2019 Credit Agreement, the Company also paid the lenders certain upfront fees.

The 2019 Credit Agreement contains customary representations and warranties applicable to the Company and its subsidiaries and customary affirmative and negative covenants applicable to the Company and its restricted subsidiaries. The negative covenants include restrictions on, among other things, indebtedness, liens, certain fundamental changes (including mergers), investments, dispositions, restricted payments (including dividends and stock repurchases), prepayments of junior debt, and transactions with affiliates. These restrictions do not prohibit a subsidiary of the Company from making pro rata payments to the Company or any other person that owns an equity interest in such subsidiary. The 2019 Credit Agreement contains financial covenants, that require the Company and its subsidiaries to maintain (i) a secured net leverage ratio not to exceed 3.00 to 1.00, subject to an increase, at the option of the Company, to 3.50 to 1.00 for a specified period of time in the event of certain material acquisitions, tested as of the last day of each fiscal quarter and (ii) an interest coverage ratio (defined as the ratio of EBITDA to cash interest expense) of not less than 2.50 to 1.00, tested for each fiscal quarter.

The 2019 Credit Agreement includes customary events of default, including, but not limited to, nonpayment of principal or interest, breaches of representations and warranties, failure to perform or observe covenants, cross-defaults with certain other indebtedness, final judgments or orders, certain change of control events, and certain bankruptcy-related events or proceedings. Upon the occurrence of an event of default (subject to notice and grace periods), obligations under the 2019 Credit Agreement could be accelerated.

Subject to certain exceptions, to the extent the Company has any material domestic subsidiaries, the obligations under the 2019 Credit Agreement would be required to be guaranteed by such material domestic subsidiaries. The obligations under the 2019 Credit Agreement are secured by all or substantially all of the assets of the Company and any such subsidiary guarantors.

At February 28, 2018, the Company did not have any borrowings under the 2019 Credit Agreement.

125

Etsy, Inc.

Notes to Consolidated Financial Statements

Note 14—Commitments and Contingencies

Lease Commitments

Capital Leases

The Company entered into a credit agreement with Dell Financial Services, LLC. (“DFS”) on February 17, 2016, which provided the Company with a credit line of up to $6.0 million for hosting equipment leases (the “DFS Line”), which was increased to $9.0 million during 2017. This credit line expired in December 2018. The DFS Line allowed the Company to lease hosting equipment from DFS. The leases have a 36-month term, zero interest and are payable in equal monthly installments with a buy-out option of $1 at the end of the lease term. As of December 31, 2018, the Company has lease obligations of approximately $2.9 million related to leased hosting equipment using the previously active DFS Line.

The Company entered into a credit agreement with ePlus Group, Inc. (“ePlus”) on January 3, 2014, which provided the Company with a credit line of up to $8.0 million for computer equipment leases (the “ePlus Line”), which was increased to $18.0 million during 2015. The ePlus Line allows the Company to order equipment from any approved vendor. ePlus purchases the equipment on behalf of the Company and leases it back to the Company. The leases have a 36-month term, interest rate of 3.71-6.93% and are payable in equal monthly installments with a fair market value or a $1 buy-out option at the end of the lease term depending on the equipment. As of December 31, 2018, the Company has lease obligations of approximately $3.1 million related to leased computer equipment using the ePlus Line.

For the years ended December 31, 2018, 2017, and 2016, the accompanying Consolidated Statement of Operations includes charges of approximately $1.0 million, $1.6 million, and $1.6 million for interest expense, respectively, related to the equipment leased using the DFS and ePlus Lines.

Operating Leases

The Company did not enter into any material operating leases or extensions in 2018, 2017, or 2016. Rent expense for the Company’s operating leases is recognized over the term of each respective lease on a straight-line basis. In addition, the Company leases other office facilities under shorter terms and cancelable leases.

Total rent expense for the years ended December 31, 2018, 2017, and 2016 was $3.8 million, $4.1 million, and $6.0 million, respectively.

Build-to-Suit Lease

In May 2014, the Company entered into a 10-year lease agreement for approximately 199,000 rentable square feet of office space in Brooklyn, New York for the Company’s headquarters, which commenced in 2015. Of the total office space, approximately 172,000 rentable square feet is being accounted for as a build-to-suit lease and approximately 27,000 rentable square feet located in an adjacent building is being accounted for as an operating lease. In connection with the lease agreement, the Company established a $5.3 million collateral account, reflected in the restricted cash balance on the Consolidated Balance Sheet.

Purchase Obligations

The Company has $61.1 million of non-cancelable contractual commitments as of December 31, 2018, primarily related to the initiative to migrate its data centers to the cloud, as well as other support services. These commitments are primarily due within four years.

126

Etsy, Inc.

Notes to Consolidated Financial Statements

The following table represents the Company’s commitments under its current capital, operating and build-to-suit lease agreements and purchase obligations as of December 31, 2018 (in thousands):

	Capital Lease Obligations		Operating Leases		Build-to-Suit Lease		Purchase Obligations
Periods ending
2019	$	4,392	$	4,904	$	9,451	$	10,696
2020	1,754		4,783		9,522		17,374
2021	481		4,185		10,354		16,000
2022	—		4,180		10,520		17,000
2023	—		4,205		10,599		—
Thereafter	—		9,760		27,715		—
Total minimum payments required	$	6,627	$	32,017	$	78,161	$	61,070
Amounts representing interest	648
Present value of net minimum payments	5,979
Current maturities	3,884
Long-term payment obligations	$	2,095

Long-Term Debt

In March 2018, the Company issued $345.0 million aggregate principal amount of 0% Convertible Senior Notes due 2023 (the “Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. The Notes will mature on March 1, 2023, unless earlier converted or repurchased, and there are no contractual payments required until maturity. For more information on the Notes, see “Note 13—Debt.”

Non-Income Tax Contingencies

The Company had reserves of $0.9 million and $0.4 million at December 31, 2018 and 2017, respectively, for certain non-income tax obligations, representing management’s best estimate of its potential liability. The Company could also be subject to examination in various jurisdictions related to income tax and non-income tax matters. The resolution of these types of matters, if in excess of the recorded reserve, could have an adverse impact on the Company’s business.

Legal Proceedings

Cervantes and Weiss Cases

On July 21, 2015, a purported securities class action complaint (Cervantes v. Dickerson, et.al., Case No. CIV 534768) was filed in the Superior Court of State of California, County of San Mateo against the Company, certain officers, directors, and underwriters. The complaint asserted violations of Sections 11 and 15 of the Securities Act. The complaint alleged misrepresentations in the Company’s Registration Statement on Form S-1 and Prospectus with respect to, among other things, merchandise for sale on the Company’s website that may be counterfeit or constitute trademark or copyright infringement. The complaint sought certification as a class action and unspecified compensatory damages plus interest and attorneys’ fees. On December 7, 2015, the Company and the underwriter defendants moved to stay the Cervantes action on the grounds of forum non conveniens.

On November 5, 2015, another purported securities class action complaint (Weiss v. Etsy et al., No. CIV 536123) was filed in the Superior Court of State of California, County of San Mateo. The Weiss complaint named as defendants the Company and the same officers, directors, and underwriters named in the Cervantes complaint, and also asserts violations of Sections 11 and 15 of the Securities Act based on allegedly false or misleading statements or omissions with respect to, among other things, merchandise for sale on the Company’s website that may be counterfeit or constitute trademark or copyright infringement. On December 24, 2015, the court consolidated the Cervantes and Weiss actions. On February 3, 2016, the court granted the Company’s motion to stay the consolidated actions.  On September 19, 2018, the court granted plaintiffs’ request to dismiss the consolidated Cervantes and Weiss actions with prejudice.

127

Etsy, Inc.

Notes to Consolidated Financial Statements

In addition, from time to time in the normal course of business, various other claims and litigation have been asserted or commenced against the Company. Due to uncertainties inherent in litigation and other claims, the Company can give no assurance that it will prevail in any such matters, which could subject the Company to significant liability for damages. Any claims or litigation, regardless of their success, could have an adverse effect on the Company’s Consolidated Results of Operations or Cash Flows in the period the claims or litigation are resolved. Although the results of litigation and claims cannot be predicted with certainty, we currently believe that the final outcome of these ordinary course matters will not have a material adverse effect on our business.

Note 15—Stockholders’ Equity

At December 31, 2018 and 2017, the authorized capital stock of the Company included 1,400,000,000 shares of common stock. At December 31, 2018 and 2017 there were 25,000,000 shares of preferred stock authorized.

Common Stock

At December 31, 2018 and 2017 there were 119,771,702 and 121,769,238 shares of common stock issued and outstanding, respectively. Holders of common stock are entitled to one vote per share. Holders of common stock are not entitled to receive dividends unless declared by the Board of Directors. No dividends have been declared through December 31, 2018. The common stock has a $0.001 par value.

Convertible Preferred Stock

Upon the closing of the IPO on April 21, 2015, all outstanding shares of convertible preferred stock were converted into 53,448,243 shares of common stock. As of December 31, 2018, 2017, and 2016, there was no convertible preferred stock outstanding.

Common Stock Issuances

In the year ended December 31, 2016, the Company issued a total of 685,749 shares of common stock in connection with the acquisition of Blackbird, of which 513,304 shares with an aggregate fair value of $6.9 million on the applicable acquisition date is included in the purchase price and 172,445 shares with an aggregate fair value of $2.3 million on the applicable acquisition date is tied to continued employment with the Company and is being accounted for as post-combination compensation expense. 

Share Repurchase Program

On November 1, 2018, the Board of Directors approved a stock repurchase program that enables the Company to repurchase up to $200 million of its common stock. The program does not have a time limit and may be modified, suspended, or terminated at any time by the Board of Directors. The number of shares repurchased and the timing of repurchases will depend on a number of factors, including, but not limited to, stock price, trading volume and general market conditions, along with Etsy’s working capital requirements, general business conditions and other factors.

In November 2017, the Board of Directors approved a stock repurchase program that enabled the Company to repurchase up to $100 million of its common stock. The program was completed in the second quarter of 2018.

Under the stock repurchase program, the Company may purchase shares of its common stock through various means, including open market transactions, privately negotiated transactions, tender offers or any combination thereof. In addition, open market repurchases of common stock may be made pursuant to trading plans established pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, which would permit common stock to be repurchased at a time that the Company might otherwise be precluded from doing so under insider trading laws or self-imposed trading restrictions.

128

Etsy, Inc.

Notes to Consolidated Financial Statements

The following table summarizes the Company’s share repurchase activity, excluding shares withheld to satisfy tax withholding obligations in connection with the vesting of employee restricted stock units (in thousands except share and per share amounts):

	Shares Repurchased	Average Price Paid per Share (1)		Value of Shares Repurchased		Remaining Amount Authorized
New Authorization on November 17, 2017 of $100 million	—	$	—	$	—	$	100,000
Repurchases of common stock for the three months ended:
December 31, 2017	586,231	17.57		10,301		(10,301		)
Balance as of December 31, 2017	586,231	$	17.57	$	10,301	$	89,699
Repurchases of common stock for the three months ended:
March 31, 2018	2,807,393	24.43		68,586		(68,586		)
June 30, 2018	722,941	29.15		21,113		(21,113		)
September 30, 2018	—	—		—		—
New Authorization on November 1, 2018 of $200 million	—	—		—		200,000
Repurchases of common stock for the three months ended:
December 31, 2018	916,083	49.11		45,000		(45,000		)
Balance as of December 31, 2018	5,032,648	$	28.80	$	145,000	$	155,000

(1) Average price paid per share excludes broker commissions.

All repurchases were made using cash resources.

Note 16—Stock-based Compensation

The Company’s 2015 Equity Incentive Plan (the “2015 Plan”) was adopted by its Board of Directors and approved by stockholders in March 2015. The 2015 Plan became effective immediately upon adoption although no awards were made under it until the effective date of the IPO. The 2015 Plan replaced the 2006 Stock Plan, and no further grants were made under the 2006 Stock Plan as of the effective date of the IPO.

Under the 2006 Stock Plan, incentive and nonqualified stock options or rights to purchase common stock were granted to eligible participants. Options were generally granted for a term of 10 years and generally vested 25% after the first year of service and ratably each month over the remaining 36-month period contingent on continued employment with the Company on each vesting date.

The 2015 Plan provides for the grant of incentive stock options, non-statutory stock options, stock appreciation rights, restricted stock, restricted stock units (“RSUs”), and performance cash awards to employees, directors, and consultants. Beginning in 2016, the number of shares available for issuance under the 2015 Plan may be increased annually by an amount equal to the lesser of 7,050,000 shares of common stock, 5% of the outstanding shares of common stock as of the last day of the immediately preceding fiscal year, or such other amount as determined by the Company’s Board of Directors. The Board of Directors approved an increase of 2,395,434, 6,088,461, and 5,798,651 shares available for issuance under the 2015 Plan as of January 2, 2019, January 2, 2018, and January 3, 2017, respectively. Any awards issued under the 2015 Plan that are forfeited by the participant will become available for future grant under the 2015 Plan. The number of shares of the Company’s common stock initially reserved for issuance under the 2015 Plan equaled the sum of 14,100,000 shares plus up to 12,653,075 shares reserved for issuance or subject to outstanding awards under the 2006 Stock Plan. At December 31, 2018, 29,436,374 shares were authorized under the 2015 Plan and 18,645,783 shares were available for future grant.

In the first quarter of 2017, the Company made an accounting policy election to recognize forfeitures as they occur upon adoption of guidance in ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting. In reporting periods prior to 2017, the Company estimated forfeitures at the time of grant and revised in subsequent periods as necessary if actual forfeitures differed from estimates.

In the year ended December 31, 2018, the Company granted nonqualified stock options and RSUs to eligible participants. Options were generally granted for a term of 10 years. For both options and RSUs, vesting is typically over a four-year period

129

Etsy, Inc.

Notes to Consolidated Financial Statements

and is contingent upon continued employment with the Company on each vesting date. In general, options granted to newly-hired employees prior to July 2018 vest 25% after the first year of service and ratably each month over the remaining 36-month period. In general, RSUs granted to newly-hired employees prior to July 2018 vest 25% after the first year following the vesting commencement date, which is the first day of the fiscal quarter closest to the date of grant, and then vest ratably each quarter over the remaining 12-quarter period. In general, for current employees who received an additional grant prior to March 2018, options vest ratably each month over a 48-month period. In general, for current employees who received an additional grant prior to March 2018, RSUs vest ratably each quarter over a 16-quarter period following the vesting commencement date, which is the first day of the fiscal quarter closest to the date of grant.

Beginning in July 2018, in general, for newly-hired employees, both options and RSUs vest 25% after the first year of service and ratably each six-month period over a four-year period following the vesting commencement date, which is the first day of the month closest to the date of grant. Beginning in March 2018, in general, for current employees who receive an additional grant, both options and RSUs vest ratably each six-month period over a four-year period following the vesting commencement date.

The fair value of each option award is estimated on the date of grant using the Black-Scholes option-pricing model using the inputs below. Prior to the IPO, the Company utilized equity valuations based on comparable publicly-traded companies, discounted free cash flows, an analysis of the Company’s enterprise value, and other factors deemed relevant in estimating the fair value of its common stock. Subsequent to the IPO, the Company has used the closing price of its common stock on Nasdaq as the fair value of its common stock. The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant for time periods that approximate the expected life of the option awards. Expected volatilities are based on implied volatilities from Etsy and market comparisons of certain publicly traded companies and other factors. The expected term of stock options granted has been determined using the simplified method, which uses the midpoint between the vesting date and the contractual term. The requisite service period is generally four years from the date of grant. The fair value of RSUs is determined based on the closing price of the Company’s common stock on Nasdaq on the grant date.

The fair value of options granted in each year using the Black-Scholes pricing model has been based on the following assumptions:

	Year Ended   December 31,
	2018	2017	2016
Volatility	38.6% - 47.8%	41.7% - 44.2%	38.6% - 44.6%
Risk-free interest rate	2.6% - 2.9%	1.9% - 2.2%	1.1% - 2.1%
Expected term (in years)	5.5 - 6.3	5.5 - 6.3	5.5 - 6.3
Dividend rate	—%	—%	—%

130

Etsy, Inc.

Notes to Consolidated Financial Statements

The following table summarizes the activity for the Company’s options (in thousands except share and per share amounts):

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contract Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2015	11,068,859		$	6.94	7.01	$	31,932
Granted	1,700,234		9.35
Exercised	(2,535,620	)	4.17
Forfeited/Canceled	(893,906	)	9.51
Outstanding at December 31, 2016	9,339,567		7.89		6.64	43,613
Granted	5,887,183		11.04
Exercised	(5,760,263	)	5.87
Forfeited/Canceled	(1,518,548	)	11.36
Outstanding at December 31, 2017	7,947,939		11.02		7.93	74,996
Granted	797,201		29.87
Exercised	(1,588,779	)	11.49
Forfeited/Canceled	(265,367	)	15.68
Outstanding at December 31, 2018	6,890,994		12.91		7.94	239,177
Total exercisable at December 31, 2018	3,032,251		10.94		7.28	111,071

The following table summarizes the weighted-average grant date fair value of options granted, intrinsic value of options exercised and fair value of awards vested in periods indicated (in thousands except per share amounts):

	Year Ended December 31,
	2018		2017		2016
Weighted average grant date fair value of options granted	$	13.33	$	4.85	$	4.03
Intrinsic value of options exercised	34,268		52,693		19,130
Fair value of awards vested	32,717		19,826		9,533

The total unrecognized compensation expense at December 31, 2018 was $22.9 million, which will be recognized over a weighted-average period of 2.59 years.

The following table summarizes the activity for the Company’s unvested RSUs:

	Shares		Weighted-Average Fair Value
Unvested at December 31, 2015	395,846		$	13.70
Granted	3,200,297		10.29
Vested	(255,868	)	10.64
Forfeited/Canceled	(205,094	)	10.15
Unvested at December 31, 2016	3,135,181		10.70
Granted	2,360,315		12.17
Vested	(1,072,321	)	10.44
Forfeited/Canceled	(1,348,928	)	10.56
Unvested at December 31, 2017	3,074,247		11.98
Granted	2,448,169		28.22
Vested	(1,496,906	)	13.80
Forfeited/Canceled	(545,142	)	18.47
Unvested at December 31, 2018	3,480,368		22.87

The total unrecognized compensation at December 31, 2018 was $70.5 million, which will be recognized over a weighted-average period of 3.03 years.

131

Etsy, Inc.

Notes to Consolidated Financial Statements

Total stock-based compensation expense included in the Consolidated Statements of Operations is as follows (in thousands):

	Year Ended   December 31,
	2018		2017		2016
Cost of revenue	$	3,357	$	1,739	$	1,057
Marketing	2,507		1,933		971
Product development	21,234		8,274		5,079
General and administrative	11,133		14,613		8,794
Total stock-based compensation expense	$	38,231	$	26,559	$	15,901

The total stock-based compensation expense in the years ended December 31, 2018, 2017, and 2016 includes $3.8 million, $3.9 million, and $2.7 million, in acquisition-related stock-based compensation expense, respectively.

During the year ended December 31, 2018, the Company incurred non-cash stock-based compensation expense of $7.0 million resulting from the modification of stock options and RSUs to accelerate vesting of certain stock-based compensation in connection with the departure of two employees. See “Note 17—Restructuring and Other Exit Costs (Income)” for information on stock modifications incurred in 2017 related to restructuring.

Note 17—Restructuring and Other Exit Costs (Income)

On April 30, 2017, the Board of Directors approved a plan to increase efficiency and streamline the Company’s cost structure through headcount reductions and a reduction in internal program expenses (the “May Actions”). On June 16, 2017, the Board of Directors approved additional initiatives designed to improve focus on key strategic growth opportunities (together with the May Actions, the “Actions”). The Actions included total headcount reductions of 245 positions or 23% of the total workforce as of December 31, 2016, closing ALM, a marketplace in France, and closing or consolidating certain international offices.

In connection with the Actions, the Company incurred $13.9 million of restructuring and other exit costs in the year ended December 31, 2017, comprised of employee severance, stock compensation modifications, and other exit costs, largely made up of cash expenditures. The Company generated $0.2 million of income in the year ended December 31, 2018 due to changes in estimated severance costs.

132

Etsy, Inc.

Notes to Consolidated Financial Statements

The following table displays restructuring and other exit costs (income) recorded related to the Actions and a rollforward of the charges to the accrued expenses balance as of December 31, 2018 (in thousands):

	Severance Charge			Stock-Based Compensation			Other Exit Costs			Total
Balance, December 31, 2016	$	—		$	—		$	—		$	—
Total restructuring and other exit costs	8,972			1,668			620			11,260
Costs charged against equity/assets	—			(1,668		)	—			(1,668		)
Cash payments	(2,110		)	—			(278		)	(2,388		)
Balance, June 30, 2017	6,862			—			342			7,204
Total restructuring and other exit costs	871			965			(70		)	1,766
Costs charged against equity/assets	—			(965		)	—			(965		)
Cash payments	(4,385		)	—			(180		)	(4,565		)
Balance, September 30, 2017	3,348			—			92			3,440
Total restructuring and other exit costs	361			68			442			871
Costs charged against equity/assets	—			(68		)	(286		)	(354		)
Cash payments	(2,401		)	—			(214		)	(2,615		)
Balance, December 31, 2017	1,308			—			34			1,342
Total restructuring and other exit costs (income)	(156		)	—			5			(151		)
Cash payments	(793		)	—			—			(793		)
Balance, March 31, 2018	359			—			39			398
Total restructuring and other exit costs (income)	(43		)	—			2			(41		)
Cash payments	(271		)	—			(16		)	(287		)
Balance, June 30, 2018	45			—			25			70
Total restructuring and other exit costs (income)	(45		)	—			(12		)	(57		)
Cash payments	—			—			(13		)	(13		)
Balance, September 30, 2018	—			—			—			—
Balance, December 31, 2018	$	—		$	—		$	—		$	—

Total restructuring and other exit costs (income) included in the Consolidated Statements of Operations are as follows (in thousands):

	Year Ended   December 31,
	2018			2017		2016
Cost of revenue	$	(19	)	$	738	$	—
Marketing	(82		)	2,950		—
Product development	(110		)	3,232		—
General and administrative	(38		)	6,977		—
Total restructuring and other exit costs (income)	$	(249	)	$	13,897	$	—

133

Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.

None.

Item 9A. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of December 31, 2018. “Disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is (i) recorded, processed, summarized, and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms and (ii) accumulated and communicated to the company’s management, including its principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure. Based on the evaluation of our disclosure controls and procedures, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of December 31, 2018 at the reasonable assurance level.

Management’s Report on Internal Controls Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rule 13a-15(f) and 15d-15(f) under the Exchange Act. Our management conducted an assessment of the effectiveness of our internal control over financial reporting as of December 31, 2018 based on the criteria set forth in Internal Control-Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on the assessment, our management has concluded that its internal control over financial reporting was effective as of December 31, 2018 to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements in accordance with GAAP.

Our independent registered public accounting firm, PricewaterhouseCoopers LLP, has issued an audit report with respect to the effectiveness of our internal control over financial reporting as of December 31, 2018, which appears in Part II, Item 8 of this Annual Report on Form 10-K.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting identified during the fourth quarter ended December, 31, 2018 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Limitations on Controls

Our disclosure controls and procedures and internal control over financial reporting are designed to provide reasonable assurance of achieving the desired control objectives. Our management recognizes that any control system, no matter how well designed and operated, is based upon certain judgments and assumptions and cannot provide absolute assurance that its objectives will be met. Similarly, an evaluation of controls cannot provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, have been detected.

Item 9B. Other Information.

None.

134

PART III.

Item 10. Directors, Executive Officers and Corporate Governance.

The information required by this item is incorporated by reference to our Proxy Statement for the 2019 Annual Meeting of Stockholders (“Proxy Statement”) to be filed with the SEC within 120 days of the fiscal year ended December 31, 2018.

Our Board of Directors has adopted a Code of Conduct applicable to all officers, directors, and employees, which is available on our website (investors.etsy.com) under “Governance—Governance Documents.” We intend to satisfy the disclosure requirement under Item 5.05 of Form 8-K regarding amendments and waivers of our Code of Conduct by posting information on the website address specified above.

Item 11. Executive Compensation.

The information required by this item is incorporated by reference to our Proxy Statement.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

The information required by this item is incorporated by reference to our Proxy Statement.

Item 13. Certain Relationships and Related Transactions, and Director Independence.

The information required by this item is incorporated by reference to our Proxy Statement.

Item 14. Principal Accounting Fees and Services.

The information required by this item is incorporated by reference to our Proxy Statement.

135

PART IV.

Item 15. Exhibits, Financial Statement Schedules.

(a) The following documents are filed as part of this report:

(1) Financial Statements.

Our Consolidated Financial Statements are listed in the “Index to Consolidated Financial Statements” under Part II, Item 8

of this Annual Report on Form 10-K.

(2) Financial Statement Schedules.

All schedules are omitted because they are not applicable or because the required information is shown in the Consolidated Financial Statements and Notes.

(3) Exhibits.

Exhibit Index

Exhibit Number		Incorporated by Reference				Filed Herewith
	Exhibit Description	Form	File No.	Exhibit	Filing Date
3.1	Amended and Restated Certificate of Incorporation of Etsy, Inc.	8-K	001-36911	3.1	4/21/2015
3.2	Amended and Restated Bylaws of Etsy, Inc.	8-K	001-36911	3.2	4/21/2015
10.1	Form of Indemnification Agreement between Etsy, Inc. and each of its directors and executive officers	S-1/A	333-202497	10.1	3/31/2015
10.2.1*	2006 Stock Plan, as amended, and forms of agreements thereunder	S-1	333-202497	10.2.1	3/4/2015
10.3*	2015 Equity Incentive Plan	S-1/A	333-202497	10.3	4/14/2015
10.3.1*	Forms of agreements under 2015 Equity Incentive Plan					X
10.4*	2015 Employee Stock Purchase Plan	S-1/A	333-202497	10.4	3/31/2015
10.5	Agreement of Lease, dated May 12, 2014, among Etsy, Inc., 117 Adams Owner LLC and 55 Prospect Owner LLC	S-1	333-202497	10.6	3/4/2015
10.6*	Employment offer letter between Etsy, Inc. and Linda Kozlowski dated April 5, 2016	10-K	001-36911	10.15	2/28/2017
10.6.1*	Letter Agreement between Etsy, Inc. and Linda Kozlowski effective as of September 11, 2018	10-Q	001-36911	10.1	11/7/2018
10.7*	Letter Agreement between Etsy, Inc. and Josh Silverman, dated May 2, 2017	10-Q	001-36911	10.1	8/7/2017
10.8.1*	Letter Agreement between Etsy, Inc. and Rachel Glaser, dated April 2, 2017	8-K	001-36911	10.1	4/3/2017
10.8.2*	Amendment to Letter Agreement between Etsy, Inc. and Rachel Glaser, dated May 4, 2017	10-Q	001-36911	10.2.2	8/7/2017
10.9*	Employment offer letter between Etsy, Inc. and Michael Fisher, dated July 27, 2017	10-K	001-36911	10.11	3/1/2018
10.10*	Employment offer letter between Etsy, Inc. and Jill Simeone, dated January 6, 2017	10-K	001-36911	10.12	3/1/2018
10.11*	Executive Severance Plan					X
10.12.1*	Management Cash Incentive Plan	S-1	333-202497	10.14	3/4/2015
10.12.2*	Amendment No. 1 to the Etsy, Inc. Management Cash Incentive Plan	10-Q	001-36911	10.1	8/4/2016

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10.13	Amended and Restated Compensation Program for Non-Employee Directors, effective January 1, 2018	10-K	001-36911	10.19.3	3/1/2018
21.1	List of Subsidiaries of Etsy, Inc.					X
23.1	Consent of PricewaterhouseCoopers LLP, Independent Registered Public Accounting Firm					X
24.1	Power of Attorney (contained in the signature page to this Annual Report on Form 10-K)					X
31.1	Certification of Principal Executive Officer Required Under Rule 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, as amended					X
31.2	Certification of Principal Financial Officer Required Under Rule 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, as amended					X
32.1†	Certification of Chief Executive Officer Required Under Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended, and 18 U.S.C. §1350					X
32.2†	Certification of Chief Financial Officer Required Under Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended, and 18 U.S.C. §1350					X
101.INS	XBRL Instance Document					X
101.SCH	XBRL Taxonomy Schema Linkbase Document					X
101.CAL	XBRL Taxonomy Calculation Linkbase Document					X
101.DEF	XBRL Taxonomy Definition Linkbase Document					X
101.LAB	XBRL Taxonomy Labels Linkbase Document					X
101.PRE	XBRL Taxonomy Presentation Linkbase Document’					X

* Indicates a management contract or compensatory plan.

† These certifications are not deemed to be filed with the SEC and are not to be incorporated by reference into any filing of Etsy, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.

Item 16. Form 10-K Summary

None.

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Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

ETSY, INC.
Date: February 28, 2019	/s/ Rachel Glaser
	Rachel Glaser Chief Financial Officer
	(Principal Financial and Accounting Officer)

Power of Attorney

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Josh Silverman and Rachel Glaser, and each of them, as his or her true and lawful attorney-in-fact and agent with full power of substitution, for him or her in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully for all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his or her substitute, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signature	Title	Date
/s/ Josh Silverman Josh Silverman	President, Chief Executive Officer, and Director (Principal Executive Officer)	February 28, 2019
/s/ Rachel Glaser Rachel Glaser	Chief Financial Officer (Principal Financial and Accounting Officer)	February 28, 2019
/s/ Fred Wilson Fred Wilson	Chair	February 28, 2019
/s/ Gary Briggs Gary Briggs	Director	February 28, 2019
/s/ M. Michele Burns M. Michele Burns	Director	February 28, 2019
/s/ Edith Cooper Edith Cooper	Director	February 28, 2019
/s/ Jonathan D. Klein Jonathan D. Klein	Director	February 28, 2019
/s/ Melissa Reiff Melissa Reiff	Director	February 28, 2019
/s/ Margaret M. Smyth Margaret M. Smyth	Director	February 28, 2019

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EX-10.11

EXHIBIT 10.11

ETSY, INC. EXECUTIVE SEVERANCE PLAN

(Amended and Restated, effective as of January 1, 2019)

The Etsy, Inc. (the “Company”) Executive Severance Plan (the “Plan”) is designed to provide separation pay to eligible executives of the Company whose employment terminates in a Qualifying Termination (as defined in the Plan). The Plan is an unfunded welfare plan maintained primarily for the purpose of providing severance benefits to a select group of management and highly compensated employees.

This Plan is governed by the laws of the State of Delaware, without regard to conflicts of law principles that might otherwise point to the law of a different jurisdiction.

I.ELIGIBILITY FOR BENEFITS

1.Participation. The Company’s Board of Directors (the “Board”) or its Compensation Committee (the “Committee”) will select the Company executives who are eligible to participate in the Plan. The Plan Administrator (as defined below) will deliver a notice to each such executive, substantially in the form attached hereto as the “Participation Notice,” informing the executive that he or she is eligible to participate in the Plan. Each executive of the Company who receives a Participation Notice is a “Participant” in the Plan.

2.Conditions to Receive Benefits

A.In order to receive benefits under the Plan, a Participant must:

(i)Experience a Qualifying Termination;

(ii)Execute, and not revoke, a general release of all claims (the “Release”) in the form provided by the Company;

(iii)Return all Company Property to the Company; and

(iv)Comply with all agreements between the Company and the Participant relating to confidentiality, non-competition, non-solicitation and non-interference.

The Company shall deliver the Release to the Participant no later than fivedays after his or her Qualifying Termination. The Release will specify a deadline for executing the Release, which date shall be no later than 50 days after the Participant’s Qualifying Termination. If the Release is not executed, effective, and irrevocable by the 60th day after the Participant’s Qualifying Termination, the Participant will cease to be eligible for benefits under this Plan.

B.In addition to the conditions in Section I.2.A, a Participant shall not be entitled to benefits under the Plan unless and until such Participant has entered into the Company’s standard form of Employee Proprietary Information and Inventions Agreement or any similar or successor document.

C.If a Participant has not substantially complied with the material terms of all material agreements between the Company and the Participant, or the Participant has engaged in conduct that would give rise to a termination for Cause (whether such conduct occurred before or after the Participant’s Separation), the Plan Administrator may deny and/or discontinue the payment of the Participant’s Plan benefits and may require the Participant to repay the gross amount (before withholding) of any portion of the benefits already received under the Plan (including to forfeit equity and any gain realized on the vesting, exercise, settlement, sale, transfer or other disposition of any equity-based awards, in each case to the extent attributable to accelerated vesting under the Plan); provided that the Company shall first provide written notice of such noncompliance and repayment obligation to the Participant and allow 10 days after receipt of such notice for the Participant to cure such noncompliance (if capable of being cured). If the Plan Administrator notifies a Participant that repayment is required, such amounts shall be repaid in cash within 30 calendar days of the date the written notice is sent. Any remedy under this paragraph C shall be in addition to, and not in place of, any other remedy, including injunctive relief, forfeiture of equity and other compensation rights and money damages, that the Company may have.

II.Plan Benefits

If a Participant has a Qualifying Termination and satisfies the eligibility conditions set forth in Section I, above, the Company will provide the following severance benefits, subject to the terms of the Plan:

1.Salary Continuation. The Company will pay (or cause to be paid) an amount equal to (x) the Participant’s Monthly Base Salary times (y) the number of months in the Severance Period. Subject to subparagraphs (A) through (C), below, such amount shall be payable in equal installments on the Company’s regular payroll dates from the Qualifying Termination through the number of months in the Severance Period.

A.Subject to any delay required by Section 409A of the Code (as described in Section III.1, below), payment shall commence within 60 days after the Qualifying Termination. The first payment shall include any unpaid installments accrued from the date of the Participant’s Qualifying Termination.

B.If the Participant’s Separationoccurs within 12 months after a Change in Control that qualifies as a payment event under Section 409A(a)(2)(A)(v) of the Code, payment shall be made in a lump sum; provided that this provision shall not apply with respect to any amount that is (i) subject to Section 409A of the Code and (ii) payable to a Participant who was selected for participation before February 14, 2018.

C.If the period during which payments must commence spans two calendar years, then payment of any amounts that are subject to the requirements of Section 409A of the Code shall commence in the second calendar year.

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2.Pro Rata Bonus. If the Qualifying Termination occurs after the third month of the fiscal year in which the Qualifying Termination occurs (i.e., after March 31) and the Participant has been employed by the Company for at least three months, the Company will pay (or cause to be paid) an amount equal to the Participant’s target annual cash incentive bonus, if any, under the Etsy, Inc. Management Cash Incentive Plan or successor plan (the “Bonus Plan”) (i.e., including both the Company performance portion and individual performance portion) for the fiscal year in which the Qualifying Termination occurs times a fraction the numerator of which is the number of days from the first day of such fiscal year through the Participant’s Separation and the denominator of which is the total number of days in such fiscal year. Such amount, if any, shall be paid at the time of the first payment required by paragraph 1, above (and only if the Participant participates in the Bonus Plan).

If the Qualifying Termination occurs before the fourth month of the fiscal year in which the Qualifying Termination occurs (i.e., on or before March 31), no bonus will be paid with respect to the fiscal year in which the Qualifying Termination occurs.

If the Qualifying Termination occurs before the payout of the annual cash bonus award under the Bonus Plan for the prior fiscal year (the “Prior Year Bonus”), for Participants participating in the Bonus Plan, the Company will pay (or cause to be paid) an amount equal to 1) the Company performance portion of the Prior Year Bonus, as approved by the Committee, at the same percentage that is applicable to all other participants in the Bonus Plan and 2) the Participant’s individual performance portion of the Prior Year Bonus, as determined by the Participant’s manager (for VP-level) or by the Committee (for SVP-level and above). Such amount, if any, shall be paid during the calendar year in which the Qualifying Termination occurs, at the same time as Prior Year Bonuses are paid to active employees who are Bonus Plan participants.

3.Health Benefits. If the Participant (x) was a participant in the Company’s group health insurance plans (major medical, dental and vision) on the date of such Participant’s Qualifying Termination and (y) timely elects continued coverage under the Consolidated Omnibus Budget Reconciliation Act of 1985 (together with any state law of similar effect, “COBRA”), the Company will either provide (or arrange to be provided) such continued coverage at active employee rates through the end of the COBRA Payment Period (as defined below) or pay to the Participant cash in lieu of continued coverage (as described in the paragraph below).

Cash in lieu of continued coverage shall consist of a payment, for each month during the COBRA Payment Period, equal to the excess of the cost of the elected level of COBRA coverage for such month over the monthly cost charged to active employees for the same coverage. The “COBRA Payment Period” shall begin on the first day after the Participant’s active employee health coverage ends due to Separation and end on the earliest to occur of (A) the end of the COBRA Period, (B) the expiration of the Participant’s eligibility for the continuation coverage under COBRA, and (C) the first month for which the Participant is eligible for health insurance coverage in connection with new employment or self-employment. Payment of cash in lieu of continued coverage shall be due on the first day of each month during the COBRA Payment Period for which the Company does not provide continued coverage at active employee rates, except that payments shall commence (with any make-up payments) on the date prescribed by subsection 1, above.

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The amount payable under this subsection 2 will not include any amounts that the Participant has elected to contribute to a health care flexible spending account; such amounts, if any, are the sole responsibility of the Participant.

4.Vesting of Equity.

If the Participant’s Separation is a Qualifying CIC Termination, each of the Participant’s then-outstanding equity awards (both time-based and performance-based) shall vest (if not already fully vested) as to a percentage of unvested shares (if any, as of the effective date prescribed by the next following sentence) per equity award equal to the Acceleration Factor. Such vesting shall be effective as of the later of the Participant’s Qualifying CIC Termination or the date of the Change in Control.

5.Non-Duplication. No provision of this Plan shall be interpreted to duplicate any payment or other compensation or benefit that a Participant is entitled to receive under another arrangement. By way of example, a provision for severance in an offer letter or similar agreement shall be offset against the Participant’s salary continuation under this Plan.

III.Tax Provisions

1.Section 409A of the Code

The Plan shall be construed consistently with the intent that payments under the Plan be exempt from the requirements of Section 409A of the Code (and any state law of similar effect) to the extent possible (i.e., applying the “short-term deferral” rule described in Treas. Reg. § 1.409A-1(b)(4), the “two-year, two-time” rule described in Treas. Reg. § 1.409A-1(b)(9), or another exemption), and to comply with the requirements of Section 409A (to avoid taxes thereunder) to the extent that Section 409A applies. For purposes of Section 409A, each installment in a series of installments shall be treated as a separate payment.

No payment that is subject to Section 409A shall be made to a “specified employee” (determined by the Company as of the Participant’s Separationin accordance with Treas. Reg. § 409A-1(i)) before the first day after the earlier of (A) the date that is six months after the Participant’s Separation or (B) the Participant’s death. Any payment that is delayed by reason of this six-month delay requirement shall be made, without interest, on the later of the first payment date after the expiration of the six-month delay period required by Section 409A(a)(2)(B)(i) of the Code or the otherwise scheduled payment date.

2.Golden Parachute Tax Limitation (Section 280G)

The Internal Revenue Code imposes an excise tax on certain payments and other benefits received by certain officers and stockholders of a company in connection with its change of control. Such payments include severance pay, loan forgiveness and acceleration of vesting.

A.Basic Rule. In the event that it is determined that any payment, benefit, vesting or distribution of any type (cash, equity or otherwise) to or for the benefit of a Participant pursuant to the terms of

4

this Plan or any other agreement, including a benefit plan, Participant’s equity award agreements and loan forgiveness (the “Total Payments”), would be subject to the excise tax imposed by Section 4999 of the Code or any interest or penalties with respect to such excise tax (such excise tax, together with any such interest or penalties, are collectively referred to as the “Excise Tax”), then the Total Payments shall be made to the Participant either (i) in full or (ii) as to such lesser amount as would result in no portion of the Total Payments being subject to Excise Tax (a “Reduced Payment”), whichever of the foregoing results in the receipt by the Participant on an after-tax basis, of benefits of the greatest value, notwithstanding that all or some portion of the Total Payments may be subject to the Excise Tax.

B.Rules Applicable to Reduced Payments

(i)Determination by Accountant. The determination as to whether any of the Total Payments are “parachute payments” (within the meaning of Section 280G of the Code) and whether to make a Reduced Payment shall be made by an independent accounting firm selected by the Company (the “Accounting Firm”), which shall provide such determination (the “Determination”), together with detailed supporting calculations both to the Company and to the Participant within seven business days of the Participant’s Qualifying CIC Termination, if applicable, or such earlier time as is requested by the Company or by the Participant (if the Participant reasonably believes that any of the Total Payments may be subject to the Excise Tax). In any event, as promptly as practicable following the Accounting Firm’s Determination, the Company shall pay or transfer to or for the benefit of the Participant such amounts as are then due to him or her and shall promptly pay or transfer to or for the benefit of the Participant in the future such amounts as become due to him or her. Any Determination by the Accounting Firm shall be binding upon the Company and the Participant, absent manifest error.

(ii)Reduction of Payments. For purposes of determining whether to make a Reduced Payment, if applicable, the Company shall cause to be taken into account all federal, state and local income and employment taxes and excise taxes applicable to the Participant (including the Excise Tax). If a Reduced Payment is made, the Company shall reduce or eliminate the Total Payments in the following order: (1) cancellation of accelerated vesting of options with no intrinsic value (i.e., options for which the exercise price is greater than the fair market value of the underlying shares), (2) reduction of cash payments, (3) cancellation of accelerated vesting of equity awards other than options, (4) cancellation of accelerated vesting of options with intrinsic value and (5) reduction of other benefits paid to the Participant. In the event that acceleration of vesting is reduced, such acceleration of vesting shall be canceled in the reverse order of the date of grant of the Participant’s equity awards. In the event that cash payments or other benefits are reduced, such reduction shall occur in reverse order beginning with payments or benefits which are to be paid farthest in time from the date of the Determination.

5

C.Underpayments and Overpayments. As a result of uncertainty in the application of Sections 4999 and 280G of the Code at the time of the initial Determination by the Accounting Firm hereunder, it is possible that payments will have been made by the Company which should not have been made (an “Overpayment”) or that additional payments which will not have been made by the Company could have been made (an “Underpayment”), consistent in each case with the calculation of whether and to what extent a Reduced Payment shall be made hereunder. In either event, the Accounting Firm shall determine the amount of the Underpayment or Overpayment that has occurred. In the event that the Accounting Firm determines that an Overpayment has occurred, such Overpayment shall be treated for all purposes as a loan to the Participant that he or she shall repay to the Company, together with interest at the applicable federal rate prescribed by Section 1274(d) of the Code; provided, however, that the Participant shall not be required to repay any amount to the extent that such repayment would not reduce the amount that is subject to taxation under Section 4999 of the Code. In the event that the Accounting Firm determines that an Underpayment has occurred, such Underpayment shall promptly be paid or transferred by the Company to or for the benefit of the Participant, together with interest at the applicable federal rate prescribed by Section 1274(d) of the Code.

If this Section III.2 is applicable with respect to a Participant’s receipt of a Reduced Payment, it shall supersede any contrary provision of any plan, arrangement or agreement governing the Participant’s rights to the Total Payments.

IV. CLAIMS AND APPEALS

1.Application of Claims and Appeals Procedures. The provisions of this Section IV shall apply to any claim for a benefit under the Plan, regardless of the basis asserted for the claim and regardless of when the act or omission upon which the claim is based occurred.

2.Initial Claims.

A.Any claim for benefits shall be in writing (which may be electronic if permitted by the Plan Administrator) and shall be delivered to the Plan Administrator.

B.Each claim for benefits shall be decided by the Claims Administrator within a reasonable period of time, but not later than 90 days after such claim is received by the Claims Administrator (without regard to whether the claim submission includes sufficient information to make a determination), unless the Claims Administrator determines that special circumstances require an extension of time for processing the claim. If the Claims Administrator determines that an extension of time for processing is required, the Claims Administrator shall notify the claimant in writing before the end of the initial 90-day period of the circumstances requiring an extension of time and the date by which a decision is expected.

C.If a claim is denied in whole or in part, the Claims Administrator shall provide to the claimant a written decision, issued by the end of the period prescribed by paragraph B, above, that includes the following information:

(i)The specific reason or reasons for denial of the claim;

6

(ii)References to the specific Plan provisions upon which such denial is based;

(iii)A description of any additional material or information necessary to perfect the claim, and an explanation of why such material or information is necessary;

(iv)An explanation of the appeal procedures Plan’s and the applicable time limits; and

(v)A statement of the claimant’s right to bring a civil action under Section 502(a) of ERISA, if his claim is denied upon review.

3.Appeals.

A.If a claim for benefits is denied in whole or in part, the claimant may appeal the denial to the Plan Administrator. Such appeal shall be in writing (which may be electronic, if permitted by the Plan Administrator), may include any written comments, documents, records, or other information relating to the claim for benefits, and shall be delivered to the Plan Administrator within 60 days after the claimant receives written notice that his claim has been denied.

B.The Plan Administrator shall decide each appeal within a reasonable period of time, but not later than 60 days after such claim is received by the Plan Administrator, unless the Plan Administrator determines that special circumstances require an extension of time for processing the appeal.

(i)If the Plan Administrator determines that an extension of time for processing is required, the Plan Administrator shall notify the claimant in writing before the end of the initial 60-day period of the circumstances requiring an extension of time and the date by which the claims administrator expects to render a decision.

(ii)If an extension of time pursuant to subparagraph (i), above, is due to a claimant’s failure to submit information necessary to decide the appeal, the period for deciding the appeal shall be tolled from the date on which the notification of extension is sent to the claimant until the date on which the claimant responds to the request for additional information.

C.In connection with any appeal, a claimant shall be provided, upon request and free of charge, reasonable access to, and copies of, all documents, records, and other information relevant to his claim for benefits. A document, record, or other information shall be considered relevant to a claim for benefits if such document, record, or other information:

(i)Was relied upon in making the benefit determination;

7

(ii)Was submitted, considered, or generated in the course of making the benefit determination, without regard to whether such document, record, or other information was relied upon in making the benefit determination; or

(iii)Demonstrates compliance with processes and safeguards designed to ensure and to verify that the benefit determination was made in accordance with the terms of the Plan and that such terms of the Plan have been applied consistently with respect to similarly situated claimants.

D.The Plan Administrator’s review on appeal shall take into account all comments, documents, records and other information submitted by the claimant, without regard to whether such information was considered in the initial benefit determination.

E.If an appeal is denied in whole or in part, the Plan Administrator shall provide to the claimant a written decision, issued by the end of the period prescribed by paragraph B, above, that includes the following information:

(i)The specific reason or reasons for the decision;

(ii)References to the specific Plan provisions upon which the decision is based;

(iii)An explanation of the claimant’s right to receive, upon request and free of charge, reasonable access to, and copies of, all documents, records, and other information relevant to his claim for benefits (as determined pursuant to paragraph C, above); and

(iv)A statement of the claimant’s right to bring a civil action under Section 502(a) of ERISA.

4.Other Rules and Rights Regarding Claims and Appeals.

A.A claimant may authorize a representative to pursue any claim or appeal on his behalf. The Plan Administrator may establish reasonable procedures for verifying that any representative has in fact been authorized to act on his behalf.

B.Notwithstanding the deadlines prescribed by this Section IV, the Plan Administrator and any claimant may agree to a longer period for deciding a claim or appeal or for filing an appeal, provided that the Plan Administrator shall not extend any deadline for filing an appeal unless imposition of the otherwise-applicable deadline would be unreasonable under the applicable circumstances.

5.Interpretation.

The provisions of this Section IV are intended to comply with Section 503 of ERISA and shall be administered and interpreted in a manner consistent with such intent.

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6.Litigation and Forum Selection

A.No Applicable Claim for non-payment or underpayment of benefits allegedly owed under the Plan may be filed in court (I) before the claimant has exhausted the claims review procedures set forth above or (II) more than one year after the earliest of:

(i)The date the first benefit payment was actually made;

(ii)The date the first benefit payment was allegedly due;

(iii)The date the Plan, the Plan Administrator, and the Claims Administrator, or any representative of the Plan first repudiated its alleged obligation to provide such benefits (regardless of whether such repudiation occurred before or during the claims review process described above);

provided that if a request for administrative review, timely made in accordance with Section IV, is pending before the Claims Administrator or Plan Administrator, when the one year period described in this Section IV.6.A expires, the deadline for filing such claim or action in a court with proper jurisdiction shall be extended to the date that is 120 calendar days after the final denial (including a deemed denial) of the claim on administrative review.

B.For purposes of this Section IV.6, an “Applicable Claim” is:

(i)A claim or action to recover benefits allegedly due under the provisions of the Plan or by reason of any law;

(ii)A claim or action to clarify rights to future benefits under the terms of the Plan;

(iii)A claim or action to enforce rights under the Plan; or

(iv)Any other claim or action that (A) relates to the Plan, and (B) seeks a remedy, ruling, or judgment of any kind against the Plan, the Company, the Claims Administrator or the Plan Administrator with respect to benefits under the Plan or otherwise with respect to the Plan.

C.In the event of any Applicable Claim brought by or on behalf of two or more claimants, the requirements of this Section IV.6 shall apply separately with respect to each claimant.

D.To the fullest extent permitted by law, any lawsuit brought in whole or in part under ERISA section 502 (or any successor provision) by a claimant and relating to the Plan, benefits under the Plan, the lawfulness of any Plan provision or the administration of the Plan shall be filed in one of the following courts: (a) the United States District Court for the Eastern District of New York; or (b) the United States District Court for the district in which the plaintiff’s employment was principally based. This provision does not relieve any claimant from any obligation existing under the Plan or by law to exhaust administrative remedies before initiating litigation.

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E.Notwithstanding the foregoing, this Section IV.6 (statute of limitations and forum selection) shall not apply with respect to claims related to a Qualifying CIC Termination.

V. MISCELLANEOUS

1.Plan Administration. The Plan Administrator has full discretionary authority to administer and interpret the Plan, including discretionary authority to determine eligibility for benefits under the Plan and the amount of benefits (if any) payable per Participant. Any determination by the Plan Administrator will be final and conclusive upon all persons. Notwithstanding the Plan Administrator’s discretion, however, the standard of review for a court reviewing any claim related to a Qualifying CIC Termination shall be de novo.

2.Benefits. Benefits provided under the Plan are paid from the general assets of the Company and are not funded or assignable.

3.Treatment of Plan Benefits.Payments made under this Plan shall not be treated as eligible “compensation” for purposes of any 401(k) or other retirement, savings or similar plan of the Company or a parent or subsidiary of the Company. A Participant will also receive his or her unpaid salary through his or her termination date and a lump sum payment for all accrued and unused vacation (through the termination date) in a final paycheck provided on his or her last day of work.

4.Indebtedness of Participants. If a Participant is indebted to the Company on the effective date of the Participant’s Separation, the Company reserves the right to offset the payment of any benefits under the Plan by the amount of such indebtedness. Such offset will be made in accordance with all applicable laws. The Participant’s execution of the Participation Notice constitutes knowing written consent to the foregoing.

5.Plan Terms. This Plan (first effective in February 14, 2018, and subsequently amended and restated) supersedes the Etsy, Inc. Severance Plan and Etsy, Inc. Change In Control Severance Plan, each of which expired in accordance with its terms, and any and all prior separation, severance and salary continuation arrangements, programs and plans that were previously offered by the Company, either orally or in writing, for which a Participant was eligible. In no event shall a Participant receive severance benefits under both this Plan and another plan, program or arrangement.

6.Plan Amendment or Termination. The Company, acting through its Board or its Compensation Committee, reserves the right to terminate or amend the Plan at any time and in any manner, subject to this Section V.6. Any termination or amendment of the Plan may be made effective immediately with respect to any benefits not yet paid, whether or not prior notice of such amendment or termination has been given to affected employees; however, no termination or amendment that negatively impacts the rights or potential benefits of a Participant shall (i) apply with respect to any Participant who experiences a Qualifying Termination before or within two months after the effective date of such termination or amendment, or (ii) become effective within the three months before or 12 months after a Change in Control.

7.Taxes. All payments and benefits under the Plan will be subject to all applicable deductions and withholdings, including obligations to withhold for federal, state, provincial, foreign and local income and employment taxes. By becoming a Participant in the Plan, the Participant agrees to

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review with Participant’s own tax advisors the federal, state, provincial, local, and foreign tax consequences of participation in the Plan. The Participant will rely solely on such advisors and not on any statements or representations of the Company or any of its agents. The Participant understands that the Participant (and not the Company) will be responsible for the Participant’s own tax liability that may arise as a result of becoming a Participant in the Plan, without regard to the amount withheld or reported to the Internal Revenue Service.

8.No Right to Employment. This Plan does not provide any Participant or other individual a right to continue employment with the Company (or any parent or subsidiary) or affect the Company’s right (or the right of any parent or subsidiary employing a Participant), which right is hereby expressly reserved, to terminate the employment of any individual at any time for any reason with or without cause.

VI.Definitions and Rules of Construction

1.Definitions

Acceleration Factorshall mean the Acceleration Factor set forth in a Participant’s Participation Notice.

Cause shall mean a Participant’s (i) unauthorized use or disclosure of the Company’s confidential information or trade secrets, (ii) breach of any material terms of any material agreement between the Participant and the Company, (iii) material failure to comply with the Company’s written policies or rules, (iv) conviction of, or plea of “guilty” or “no contest” to, a felony under the laws of the United States or any State, or any crime involving dishonesty, fraud or moral turpitude, (v) gross negligence or willful misconduct in the scope of the Participant’s employment, (vi) continuing failure to perform assigned duties after receiving written notification of the failure from the Company’s Board of Directors or (vii) failure to cooperate in good faith with a governmental or internal investigation of the Company or its directors, officers or employees, if the Company has requested the Participant’s cooperation.

Change in Control shall mean:

(i)Any “person” (as such term is used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) becomes the “beneficial owner” (as defined in Rule 13d-3 of the Exchange Act), directly or indirectly, of securities of the Company representing more than fifty percent (50%) of the total voting power represented by the Company’s then-outstanding voting securities;

(ii)The consummation of the sale or disposition by the Company of all or substantially all of the Company’s assets;

(iii)The consummation of a merger or consolidation of the Company with or into any other entity, other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being

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converted into voting securities of the surviving entity or its parent) more than fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or its parent outstanding immediately after such merger or consolidation; or

(iv)Individuals who are members of the Board (the “Incumbent Board”) cease for any reason to constitute at least a majority of the members of the Board over a period of 12 months; provided, however, that if the appointment or election (or nomination for election) of any new Board member was approved or recommended by a majority vote of the members of the Incumbent Board then still in office, such new member shall, for purposes of this Plan, be considered as a member of the Incumbent Board.

A transaction shall not constitute a Change in Control if its sole purpose is to change the state of the Company’s incorporation or to create a holding company that will be owned in substantially the same proportions by the persons who held the Company’s securities immediately before such transaction.

Claims Administrator shall mean an individual or committee designated by the Plan Administrator.

COBRA Period shall mean the COBRA Period set forth in a Participant’s Participation Notice.

Code shall mean the Internal Revenue Code of 1986, as amended.

Company shall mean Etsy, Inc., a Delaware corporation, and any successor thereto.

Company Property shall mean all material paper and electronic Company documents (and all copies, reproductions or summaries thereof) created and/or received by the Participant during the Participant’s period of employment with the Company and other material Company materials and property (including Company laptop computers and mobile devices), that the Participant has in the Participant’s possession or control, including materials of any kind that contain or embody any proprietary or confidential information of the Company (and all copies, reproductions or summaries thereof, in whole or in part). For the avoidance of doubt, Company Property does not include the Participant’s personal copies of documents evidencing the Participant’s hire, termination, compensation, benefits and stock options and any other documentation received as a stockholder of the Company.

ERISA means the Employee Retirement Income Security Act of 1974, as amended.

Monthly Base Salary shall mean the Participant’s monthly base salary at the rate in effect immediately before the date of the Participant’s Qualifying Termination; provided that, in the case of a Qualifying CIC Termination occurring after a Change in Control, the rate of Monthly Base Salary shall be no less than the rate in effect immediately before the Change in Control. For the avoidance of doubt, Monthly Base Salary does not include other elements of compensation, such as bonuses, overtime compensation, incentive pay, sales commissions or expense allowances.

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Plan Administrator shall mean the individual(s) appointed by the Board (or Committee) to administer the terms of the Plan as set forth herein. If no individual is appointed to serve as the Plan Administrator, the Plan Administrator shall be the senior-most human resources employee of the Company. Notwithstanding the preceding sentence, in the event the Plan Administrator is entitled to benefits under the Plan (or makes a claim for benefits under the Plan), the Board or its delegate shall act as the Plan Administrator for purposes of administering the terms of the Plan with respect to the Plan Administrator. The Plan Administrator may delegate all or any portion of its authority under the Plan to any other person(s).

Qualifying Terminationshall mean:

(i)A Separation on account of involuntary dismissal or discharge initiated by the Company (or parent or subsidiary employing the Participant) without Cause, or

(ii)For a Participant who is a Senior Vice President of the Company or above, the Participant’s voluntary resignation following: (a) a material diminution in the Participant’s authority, duties or responsibilities, (b) a material reduction in the Participant’s base compensation (other than as part of a broad-based company reduction program prior to a Change in Control), (c) a material change in the geographic location at which the Participant must perform services for the Company or (d) any other action or inaction that constitutes a material breach by the Company (or parent or subsidiary employing the Participant) of a material term of the employment agreement or offer letter under which the Participant provides services (if any). For a Participant to receive the benefits under this Plan as a result of a voluntary resignation under this paragraph (ii), all of the following requirements must be satisfied: (1) the Participant must provide notice to the Company of his or her intent to assert a Qualifying Termination under this paragraph (ii) within 90 days of the initial existence of one or more of the conditions set forth in this paragraph (ii); (2) the Company (or parent or subsidiary employing the Participant) will have 30 days from the date of such notice to remedy the condition and, if it does so, the Participant may withdraw his or her resignation or may resign with no Plan benefits; and (3) any termination of employment under this paragraph (ii) must occur within 125 days after the initial existence of one or more of the condition(s). Should the Company (or parent or subsidiary employing the Participant) remedy the condition as set forth in this paragraph (ii) and then one or more of the conditions arises again, the Participant may assert this paragraph (ii) again, subject to all of the conditions set forth herein.

For the avoidance of doubt, a Separation on account of death or disability shall not be treated as an involuntary dismissal or discharge. In addition, Separation on account of a sale of assets, merger, liquidation, reorganization, transfer of business to a third party, disposition, or similar transaction will not be a Qualifying Termination, provided that the Participant is offered continued employment with a successor employer under terms that are materially comparable in the aggregate to the terms in effect immediately before such transaction.

Qualifying CIC Termination shall mean a Qualifying Termination within three months before and 12 months after a Change in Control.

Separation shall mean a “separation from service” as defined in the regulations under Section 409A of the Code.

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Severance Period shall mean the severance period set forth in a Participant’s Participation Notice.

2.Rules of Construction

A.The use of the masculine gender shall also include within its meaning the feminine and vice versa.

B.The use of the singular shall also include within its meaning the plural and vice versa.

C.The word “include” shall mean to include, but not to be limited to.

D.Any reference to a stature or section of a statute shall further be a reference to any successor or amended statute or section, and any regulations or other guidance of general applicability issued thereunder.

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ETSY, INC.

EXECUTIVE SEVERANCE PLAN

PARTICIPATION NOTICE

To: _______________________

Date: _____________________

You have been designated as eligible to participate in the Etsy, Inc. Executive Severance Plan (the “Plan”). A copy of the Plan document is attached to this Participation Notice. The terms and conditions of your participation in the Plan are as set forth in the Plan document and this Participation Notice.

Severance Period:    _____ months if not a Qualifying CIC Termination

_____ months for Qualifying CIC Termination

COBRA Period:     _____ months

Acceleration Factor:     _____%

Please return to the Company a copy of this Participation Notice signed by you and retain a copy of this Participation Notice, along with the Plan document and related materials, for your records.

I acknowledge and agree that the Severance Plan and benefits provided thereunder pursuant to this Participation Notice supersede any and all prior separation, severance and salary continuation arrangements, programs and plans that were previously offered to me by the Company, either orally or in writing.

_______________________________ Signature _______________________________ Print Name _______________________________ Date

2

ETSY, INC.

EXECUTIVE SEVERANCE PLAN

SUPPLEMENT TO PARTICIPATIOIN NOTICE (UK)

[Name]

[Address]

[Date]

As noted in your Participation Notice, you have been designated as a participant of the Etsy, Inc. Executive Severance Plan (the “Plan”). This supplement sets forth clarifications and revisions that apply for employees located in the UK. This supplement forms part of the terms and conditions of the Plan and therefore the terms set forth herein are contractually binding between you, Etsy UK Limited and Etsy, Inc.

The following clarifications and revisions apply for employees located in the UK:

• Entity - All references in the Plan to Etsy, Inc. shall also refer to Etsy UK Limited.

• Coordination with Substantive Entitlements – Your rights under the Plan do not vary your substantive entitlements; provided, however, that any payment that you receive under your employment agreement (or otherwise) in lieu of notice (i.e., pay for any period after your separation from service) shall count toward your benefit under the Plan such that the payment you received under the calculations set out in the Plan will be reduced by any amounts you receive by way of payment in lieu of notice. If you are entitled to payment in lieu of notice, such payment(s) shall be made first, followed by payments under the Plan for the remainder (if any) of your Severance Period.

• Conditions to Receive Benefits – The Release (as defined within the Plan) that you will be required to enter into as a condition of you receiving benefits under the Plan will be an English law governed binding settlement agreement. The Release will be intended to satisfy all statutory requirements for validly waiving claims under English law (such as, but not limited to, the requirement that you obtain advice from a legal representative).

• Health Benefits – You are not eligible for the health benefits described in Section II of the Plan. You will not be eligible for company-provided health benefits after your employment with Etsy UK Limited ends.

• Tax – As noted in Section V.7 of the Plan, all sums paid to you under the Plan will be subject to applicable deductions and withholdings. Such withholdings include legally required withholdings in respect of income tax and national insurance contributions at the applicable rates.

Please return to [INSERT] a copy of this supplement signed by you to evidence your agreement to its terms, and retain a copy of the supplement along with the other Plan documents and related materials for your records.

[Name]                            [Name]

On behalf of Etsy, Inc.                    On behalf of Etsy UK Limited

I acknowledge and agree to the points as set out in this Supplement to Participation Notice (UK) in relation to the Executive Severance Plan.

_______________________________  
Signature _______________________________  
Print Name _______________________________  
Date

2

EX-10.3.1

EXHIBIT 10.3.1

ETSY, INC.

2015 EQUITY INCENTIVE PLAN

NOTICE OF STOCK UNIT AWARD

You have been granted stock units representing shares of common stock of Etsy, Inc. (the "Company") on the following terms:

Name of Recipient: Name

Total Number of Stock Units Granted: TotalUnits

Date of Grant: DateGrant

Vesting Commencement Date: VestDay

Vesting Schedule: TBD

These stock units are granted under and governed by the terms and conditions of the Company’s 2015 Equity Incentive Plan (the "Plan") and the Stock Unit Agreement, both of which are incorporated into this document.

You agree to accept by email all documents relating to the Plan or this award (including, without limitation, prospectuses required by the Securities and Exchange Commission) and all other documents that the Company is required to deliver to its security holders (including, without limitation, annual reports and proxy statements). You also agree that the Company may deliver these documents by posting them on a website maintained by the Company or by a third party under contract with the Company.

You further agree to comply with the Company’s Insider Trading Policy.

BY ACKNOWLEDGING AND ACCEPTING THIS NOTICE, THE STOCK UNIT AGREEMENT AND THE PLAN, YOU AGREE TO THE

TERMS AND CONDITIONS DESCRIBED IN THESE DOCUMENTS

ETSY, INC.

2015 EQUITY INCENTIVE PLAN

STOCK UNIT AGREEMENT

Grant of Units	Subject to all of the terms and conditions set forth in the Notice of Stock Unit Award, this Stock Unit Agreement (the "Agreement") and the Plan, the Company has granted to you the number of stock units set forth in the Notice of Stock Unit Award. All capitalized terms used in this Agreement shall have the meanings assigned to them in this Agreement, the Notice of Stock Unit Award or the Plan.
Payment for Units	No payment is required for the stock units that you are receiving.
Vesting	The stock units vest in accordance with the vesting schedule set forth in the Notice of Stock Unit Award. No additional stock units will vest after your Service has terminated for any reason.
Forfeiture	If your Service terminates for any reason, then your stock units will be forfeited to the extent that they have not vested before the termination date and do not vest as a result of the termination of your Service. This means that any stock units that have not vested under this Agreement will be cancelled immediately. You receive no payment for stock units that are forfeited. The Company determines when your Service terminates for all purposes of your stock units.
Leaves of Absence and Part-Time Work	For purposes of this award, your Service does not terminate when you go on a military leave, a sick leave or another bona fide leave of absence, if the leave was approved by the Company in writing and if continued crediting of Service is required by applicable law, the Company’s leave of absence policy, or the terms of your leave. However, your Service terminates when the approved leave ends, unless you immediately return to active work.
	If you go on a leave of absence, then the vesting schedule specified in the Notice of Stock Unit Award may be adjusted in accordance with the Company’s leave of absence policy or the terms of your leave. If you commence working on a part-time basis, the Company may adjust the vesting schedule so that the rate of vesting is commensurate with your reduced work schedule.

Settlement of Units	Each stock unit will be settled when it vests; provided, that in the event of a Change in Control in which Administrator determines to accelerate the vesting of the stock units upon the occurrence of such Change in Control in accordance with Section 9.3 of the Plan, then notwithstanding anything in Section 9.3 of the Plan to the contrary, your stock units will vest upon the occurrence of such Change in Control; provided, however, that if it is determined that the settlement of these stock units is not exempt from Code Section 409A, then these stock units will not be settled until the earliest of (i) the Change in Control, if such Change in Control constitutes a "change in control event" as defined in Treasury Regulation Section 1.409A-3(i)(5); (ii) the date these stock units would otherwise be settled pursuant to the terms of this Agreement, and (iii) your "separation of service" within the meaning of Section 409A of the Code. At the time of settlement, you will receive one share of the Company’s common stock for each vested stock unit. The Company, in its sole discretion, may substitute an equivalent amount of cash. The amount of cash will be determined on the basis of the market value of the Company’s common stock at the time of settlement. No fractional shares will be issued upon settlement.
Section 409A	This paragraph applies only if the Company determines that you are a "specified employee," as defined in the regulations under Code Section 409A at the time of your "separation from service," as defined in Treasury Regulation Section 1.409A-1(h) and it is determined that settlement of these stock units is not exempt from Code Section 409A. If this paragraph applies, and the event triggering settlement is your "separation from service," then any stock units that otherwise would have been settled during the first six months following your "separation from service" will instead be settled on the first business day following the earlier of (i) the six-month anniversary of your separation from service or (ii) your death. Each installment of stock units that vests is hereby designated as a separate payment for purposes of Code Section 409A.
Nature of Units	Your stock units are mere bookkeeping entries. They represent only the Company’s unfunded and unsecured promise to issue shares of common stock (or distribute cash) on a future date. As a holder of stock units, you have no rights other than the rights of a general creditor of the Company.
No Voting Rights or Dividends	Your stock units carry neither voting rights nor rights to cash dividends. You have no rights as a stockholder of the Company unless and until your stock units are settled by issuing shares of the Company’s common stock.
Units Nontransferable	You may not sell, transfer, assign, pledge or otherwise dispose of any stock units. For instance, you may not use your stock units as security for a loan.
Beneficiary Designation	You may dispose of your stock units in a written beneficiary designation. A beneficiary designation must be filed with the Company on the proper form and must have been received before your death. If you file no beneficiary designation or if none of your designated beneficiaries survives you, then your estate will receive any vested stock units that you hold at the time of your death.

Withholding Taxes	No stock certificates (or their electronic equivalent) or cash will be distributed to you unless you have paid any withholding taxes that are due as a result of the vesting or settlement of stock units. Withholding taxes will be paid (a) by the Company withholding shares of Company stock from those that otherwise would be issued to you when the stock units are settled, (b) if permitted by the Company, by the Company withholding cash from cash compensation otherwise payable to you or (c) if required at the Company’s discretion (or with the Company’s permission, at your election), by paying cash to the Company or by payment from the proceeds of the sale of shares through a Company-approved broker.
Restrictions on Resale	You agree not to sell any shares at a time when applicable laws, Company policies or an agreement between the Company and its underwriters prohibit a sale. This restriction will apply as long as your Service continues and for such period of time after the termination of your Service as the Company may specify.
Retention Rights	Your award or this Agreement does not give you the right to be retained by the Company, a Parent, Subsidiary, or an Affiliate in any capacity. The Company and its Parents, Subsidiaries, and Affiliates reserve the right to terminate your Service at any time, with or without cause.
Adjustments	In the event of a stock split, a stock dividend or a similar change in Company stock, the number of your stock units will be adjusted accordingly, as the Company may determine pursuant to the Plan.
Effect of Significant Corporate Transactions	If the Company is a party to a merger, consolidation, or certain change in control transactions, then your stock units will be subject to the applicable provisions of Article 9 of the Plan, provided that any action taken must either (a) preserve the exemption of your stock units from Code Section 409A or (b) comply with Code Section 409A.
Recoupment Policy	This award, and the shares acquired upon settlement of this award, shall be subject to any Company recoupment or clawback policy in effect from time to time.
Applicable Law	This Agreement will be interpreted and enforced under the laws of the State of Delaware (without regard to its choice-of-law provisions).
The Plan and Other Agreements	The text of the Plan is incorporated in this Agreement by reference. The Plan, this Agreement and the Notice of Stock Unit Award constitute the entire understanding between you and the Company regarding this award. Any prior agreements, commitments or negotiations concerning this award are superseded. This Agreement may be amended only by another written agreement between the parties.

By Acknowledging and Accepting this Agreement, you agree to all of the

terms and conditions described above and in the Plan.

ETSY, INC.

2015 EQUITY INCENTIVE PLAN

NOTICE OF STOCK OPTION GRANT

You have been granted the following option to purchase shares of the common stock of Etsy, Inc. (the "Company"):

Name of Optionee:	Name
Total Number of Shares:	TotalShares
Type of Option:	ISO Incentive Stock Option NSO Nonstatutory Stock Option
Exercise Price per Share:	$PricePerShare
Date of Grant:	DateGrant
Vesting Commencement Date:	VestDay
Vesting Schedule:	[TBD]
Expiration Date:	ExpDate This option expires earlier if your Service terminates earlier, as described in the Stock Option Agreement, and may terminate earlier in connection with certain corporate transactions as described in Article 9 of the Plan.

You and the Company agree that this option is granted under and governed by the terms and conditions of the Company’s 2015 Equity Incentive Plan (the "Plan") and the Stock Option Agreement, both of which are made a part of this document.

You further agree to accept by email all documents relating to the Plan or this option (including, without limitation, prospectuses required by the Securities and Exchange Commission) and all other documents that the Company is required to deliver to its security holders (including, without limitation, annual reports and proxy statements). You also agree that the Company may deliver these documents by posting them on a website maintained by the Company or by a third party under contract with the Company. If the Company posts these documents on a website, it will notify you by email.

You further agree to comply with the Company’s Insider Trading Policy when selling shares of the Company’s common stock.

BY ACKNOWLEDGING AND ACCEPTING THIS NOTICE, THE STOCK OPTION AGREEMENT AND THE PLAN, YOU AGREE TO THE

TERMS AND CONDITIONS DESCRIBED IN THESE DOCUMENTS

ETSY, INC.

2015 EQUITY INCENTIVE PLAN

STOCK OPTION AGREEMENT

Grant of Option	Subject to all of the terms and conditions set forth in the Notice of Stock Option Grant, this Stock Option Agreement (the "Agreement") and the Plan, the Company has granted you an option to purchase up to the total number of shares specified in the Notice of Stock Option Grant at the exercise price indicated in the Notice of Stock Option Grant. All capitalized terms used in this Agreement shall have the meanings assigned to them in this Agreement, the Notice of Stock Option Grant or the Plan. For all purposes applicable to this option, "Service" means your continuous service as an Employee.
Tax Treatment	This option is intended to be an incentive stock option under Section 422 of the Code or a nonstatutory stock option, as provided in the Notice of Stock Option Grant. However, even if this option is designated as an incentive stock option in the Notice of Stock Option Grant, it shall be deemed to be a nonstatutory stock option to the extent it does not qualify as an incentive stock option under federal tax law, including under the $100,000 annual limitation under Section 422(d) of the Code.
Vesting	This option vests and becomes exercisable in accordance with the vesting schedule set forth in the Notice of Stock Option Grant. In no event will this option vest or become exercisable for additional shares after your Service has terminated for any reason.
Term	This option expires in any event at the close of business at Company headquarters on the day before the 10th anniversary of the Date of Grant, as shown in the Notice of Stock Option Grant. (This option will expire earlier if your Service terminates, as described below, and this option may be terminated earlier as provided in Article 9 of the Plan.)
Termination of Service	If your Service terminates for any reason, this option will expire immediately to the extent the option is unvested as of your termination date and does not vest as a result of your termination of Service. The Company determines when your Service terminates for all purposes of this option.
Regular Termination	If your Service terminates for any reason except death or total and permanent disability, then this option, to the extent vested as of your termination date, will expire at the close of business at Company headquarters on the date three months after your termination date.
Death	If you die before your Service terminates, then this option will expire at the close of business at Company headquarters on the date 12 months after the date of death.

Disability	If your Service terminates because of your total and permanent disability, then this option will expire at the close of business at Company headquarters on the date 12 months after your termination date. For all purposes under this Agreement, "total and permanent disability" means that you are unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted, or can be expected to last, for a continuous period of not less than one year.
Leaves of Absence and Part-Time Work	For purposes of this option, your Service does not terminate when you go on a military leave, a sick leave or another bona fide leave of absence, if the leave was approved by the Company in writing and if continued crediting of Service is required by applicable law, the Company’s leave of absence policy, or the terms of your leave. However, your Service terminates when the approved leave ends, unless you immediately return to active work. If you go on a leave of absence, then the vesting schedule specified in the Notice of Stock Option Grant may be adjusted in accordance with the Company’s leave of absence policy or the terms of your leave. If you commence working on a part-time basis, the Company may adjust the vesting schedule so that the rate of vesting is commensurate with your reduced work schedule.
Notice Concerning Incentive Stock Option Treatment	Even if this option is designated as an incentive stock option in the Notice of Stock Option Grant, it ceases to qualify for favorable tax treatment as an incentive stock option to the extent that it is exercised: (a) more than three months after the date when you cease to be an Employee for any reason other than death or permanent and total disability (as defined in Section 22(e)(3) of the Code), (b) more than 12 months after the date when you cease to be an Employee by reason of permanent and total disability (as defined in Section 22(e)(3) of the Code) or (c) more than three months after the date when you have been on a leave of absence for three months, unless your reemployment rights following such leave were guaranteed by statute or by contract.
Restrictions on Exercise	The Company will not permit you to exercise this option if the issuance of shares at that time would violate any law or regulation.
Notice of Exercise	When you wish to exercise this option, you must notify the Company by filing the proper "Notice of Exercise" form at the address given on the form or, if the Company has designated a brokerage firm to administer the Plan, you must notify such brokerage firm in the manner such brokerage firm requires. Your notice must specify how many shares you wish to purchase. The notice will be effective when the Company receives it. However, if you wish to exercise this option by executing a same-day sale (as described below), you must follow the instructions of the Company and the broker who will execute the sale. If someone else wants to exercise this option after your death, that person must prove to the Company’s satisfaction that he or she is entitled to do so. You may only exercise your option for whole shares.

Form of Payment	When you submit your notice of exercise, you must include payment of the option exercise price for the shares that you are purchasing. To the extent permitted by applicable law, payment may be made in one (or a combination of two or more) of the following forms: By delivering to the Company your personal check, a cashier’s check or a money order, or arranging for a wire transfer. By delivering to the Company certificates for shares of Company stock that you own, along with any forms needed to effect a transfer of those shares to the Company. The value of the shares, determined as of the effective date of the option exercise, will be applied to the option exercise price. Instead of surrendering shares of Company stock, you may attest to the ownership of those shares on a form provided by the Company and have the same number of shares subtracted from the option shares issued to you. By giving to a securities broker approved by the Company irrevocable directions to sell all or part of your option shares and to deliver to the Company, from the sale proceeds, an amount sufficient to pay the option exercise price and any withholding taxes. (The balance of the sale proceeds, if any, will be delivered to you.) The directions must be given in accordance with the instructions of the Company and the broker. This exercise method is sometimes called a "same-day sale."
Withholding Taxes	You will not be allowed to exercise this option unless you make arrangements acceptable to the Company to pay any withholding taxes that may be due as a result of the option exercise. These arrangements include payment in cash. With the Company’s consent, these arrangements may also include (a) payment from the proceeds of the sale of shares through a Company-approved broker, (b) withholding shares of Company stock that otherwise would be issued to you when you exercise this option with a fair market value no greater than the minimum amount required to be withheld by law, (c) surrendering shares that you previously acquired with a fair market value no greater than the minimum amount required to be withheld by law, or (d) withholding cash from other compensation. The fair market value of withheld or surrendered shares, determined as of the date when taxes otherwise would have been withheld in cash, will be applied to the withholding taxes.
Restrictions on Resale	You agree not to sell any option shares at a time when applicable laws, Company policies or an agreement between the Company and its underwriters prohibit a sale. This restriction will apply as long as your Service continues and for such period of time after the termination of your Service as the Company may specify.

Transfer of Option	Prior to your death, only you may exercise this option. You cannot transfer or assign this option. For instance, you may not sell this option or use it as security for a loan. If you attempt to do any of these things, this option will immediately become invalid. You may, however, dispose of this option in your will or by means of a written beneficiary designation; provided, however, that your beneficiary or a representative of your estate acknowledges and agrees in writing in a form reasonably acceptable to the Company, to be bound by the provisions of this Agreement and the Plan as if such beneficiary of the estate were you. Regardless of any marital property settlement agreement, the Company is not obligated to honor a notice of exercise from your former spouse, nor is the Company obligated to recognize your former spouse’s interest in your option in any other way.
Retention Rights	Your option or this Agreement does not give you the right to be retained by the Company, a Parent, Subsidiary, or an Affiliate in any capacity. The Company and its Parents, Subsidiaries, and Affiliates reserve the right to terminate your Service at any time, with or without cause.
Stockholder Rights	You, or your estate or heirs, have no rights as a stockholder of the Company until you have exercised this option by giving the required notice to the Company, paying the exercise price, and satisfying any applicable withholding taxes. No adjustments are made for dividends or other rights if the applicable record date occurs before you exercise this option, except as described in the Plan.
Recoupment Policy	This option, and the shares acquired upon exercise of this option, shall be subject to any Company recoupment policy in effect from time to time.
Adjustments	In the event of a stock split, a stock dividend or a similar change in Company stock, the number of shares covered by this option and the exercise price per share will be adjusted pursuant to the Plan.
Effect of Significant Corporate Transactions	If the Company is a party to a merger, consolidation, or certain change in control transactions, then this option will be subject to the applicable provisions of Article 9 of the Plan.
Applicable Law	This Agreement will be interpreted and enforced under the laws of the State of Delaware (without regard to its choice-of-law provisions).
The Plan and Other Agreements	The text of the Plan is incorporated in this Agreement by reference. Notwithstanding anything to in Sections 5.6 or 5.7 of the Plan to the contrary, the option may not be (i) modified to reduce the exercise price thereof (other than adjustments in accordance with the Plan), (ii) substituted or exchanged for a new option with a lower exercise price (other than substitutions in accordance with the Plan) or (iii) repurchased or surrendered for the payment of cash when the exercise price per share of Common Stock subject to the option exceeds the Fair Market Value of a share of Common Stock, in each case, unless such action is approved by the stockholders of the Company. This Plan, this Agreement and the Notice of Stock Option Grant constitute the entire understanding between you and the Company regarding this option. Any prior agreements, commitments or negotiations concerning this option are superseded. This Agreement may be amended only by another written agreement between the parties.

BY ACKNOWLEDGING AND ACCEPTING THIS AGREEMENT, YOU AGREE TO ALL OF THE TERMS AND CONDITIONS DESCRIBED ABOVE AND IN THE PLAN.

EX-21.1

EXHIBIT 21.1

List of Significant Subsidiaries of Etsy, Inc.*

Name of Subsidiary	Jurisdiction of Incorporation or Organization
Etsy Ireland UC	Ireland
Etsy France SAS	France
Etsy Ireland Holding Unlimited Company	Ireland

* Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other subsidiaries of Etsy, Inc. are omitted because, considered in the aggregate, they would not constitute a significant subsidiary as of the end of the year covered by this report.

EX-23.1

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-203438, No. 333-209851, No. 333-216371, and No. 333-223330) of Etsy, Inc. of our report dated February 28, 2019 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP

New York, New York

February 28, 2019

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, Josh Silverman, certify that:

1. I have reviewed this Annual Report on Form 10-K of Etsy, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Josh Silverman____________

Josh Silverman
President, Chief Executive Officer
(Principal Executive Officer)

Date: February 28, 2019

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Rachel Glaser, certify that:

1. I have reviewed this Annual Report on Form 10-K of Etsy, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

/s/ Rachel Glaser________

Rachel Glaser

Chief Financial Officer

(Principal Financial and Accounting Officer)

Date: February 28, 2019

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Josh Silverman, certify that the Annual Report of Etsy, Inc. on Form 10-K for the period ended December 31, 2018 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Form 10-K fairly presents, in all material respects, the financial condition and results of operations of Etsy, Inc.

/s/ Josh Silverman

Josh Silverman
President, Chief Executive Officer

(Principal Executive Officer)

Date: February 28, 2019

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Rachel Glaser, certify that the Annual Report of Etsy, Inc. on Form 10-K for the period ended December 31, 2018 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Form 10-K fairly presents, in all material respects, the financial condition and results of operations of Etsy, Inc.

/s/ Rachel Glaser

Rachel Glaser

Chief Financial Officer

(Principal Financial and Accounting Officer)

Date: February 28, 2019

XML

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2018	Feb. 21, 2019	Jun. 30, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	ETSY INC
Entity Central Index Key	0001370637
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding		119,566,393
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Public Float			$ 4,991,820,388

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 366,985	$ 315,442
Short-term investments	257,302	25,108
Accounts receivable, net	12,244	33,677
Prepaid and other current assets	22,686	20,379
Funds receivable and seller accounts	21,072	44,658
Total current assets	680,289	439,264
Restricted cash	5,341	5,341
Property and equipment, net	120,179	117,617
Goodwill	37,482	38,541
Intangible assets, net	34,589	4,100
Deferred tax assets	23,464	159
Other assets	507	561
Total assets	901,851	605,583
Current liabilities:
Accounts payable	26,545	13,622
Accrued expenses	49,158	28,743
Capital lease obligations—current	3,884	5,798
Funds payable and amounts due to sellers	21,072	44,658
Deferred revenue	7,478	6,262
Other current liabilities	3,925	3,394
Total current liabilities	112,062	102,477
Capital lease obligations—net of current portion	2,095	4,115
Deferred tax liabilities	30,455	23,786
Facility financing obligation	59,991	60,049
Long-term debt, net	276,486	0
Other liabilities	19,864	18,262
Total liabilities	500,953	208,689
Commitments and contingencies (Note 14)
Stockholders’ equity:
Common stock ($0.001 par value, 120,000,000 and 1,400,000,000 shares authorized as of December 31, 2014 and December 31, 2015; 44,180,939 and 112,563,354 shares issued and outstanding as of December 31, 2014, and December 31, 2015, respectively)	120	122
Preferred stock ($0.001 par value, 25,000,000 shares authorized as of December 31, 2018 and 2017)	0	0
Additional paid-in capital	562,033	499,441
Accumulated deficit	(153,442)	(96,290)
Accumulated other comprehensive (loss) income	(7,813)	(6,379)
Total stockholders’ equity	400,898	396,894
Total liabilities and stockholders’ equity	$ 901,851	$ 605,583

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	1,400,000,000	1,400,000,000
Common stock, shares issued (in shares)	119,771,702	121,769,238
Common stock, shares outstanding (in shares)	119,771,702	121,769,238
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	25,000,000	25,000,000

XML

Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenue	$ 603,693	$ 441,231	$ 364,967
Cost of revenue	190,762	150,986	123,328
Gross profit	412,931	290,245	241,639
Operating expenses:
Marketing	158,013	109,085	82,248
Product development	97,249	74,616	55,083
General and administrative	82,883	91,486	86,180
Asset impairment charges	0	3,162	551
Total operating expenses	338,145	278,349	224,062
Income from operations	74,786	11,896	17,577
Other (expense) income:
Interest expense	(22,178)	(11,130)	(7,204)
Interest and other income	8,957	2,394	1,702
Foreign exchange (loss) gain	(6,487)	29,105	(14,951)
Total other (expense) income	(19,708)	20,369	(20,453)
Income (loss) before income taxes	55,078	32,265	(2,876)
Benefit (provision) for income taxes	22,413	49,535	(27,025)
Net income (loss)	$ 77,491	$ 81,800	$ (29,901)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.64	$ 0.69	$ (0.26)
Diluted (in dollars per share)	$ 0.61	$ 0.68	$ (0.26)
Weighted average common shares outstanding:
Basic (in shares)	120,146,076	118,538,687	113,562,738
Diluted (in shares)	127,084,785	122,267,673	113,562,738

XML

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 77,491	$ 81,800	$ (29,901)
Other comprehensive (loss) income:
Cumulative translation adjustment	(1,399)	(24,898)	7,675
Unrealized (losses) gains on marketable securities, net of tax of $0, $15, and $5, respectively	(35)	47	(8)
Total other comprehensive (loss) income	(1,434)	(24,851)	7,667
Comprehensive income (loss)	$ 76,057	$ 56,949	$ (22,234)

XML

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Unrealized holding gain (loss) arising during period, tax	$ 0	$ 15	$ 5

XML

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income
Beginning balance at Dec. 31, 2015	$ 330,498	$ 113	$ 406,020	$ (86,440)	$ 10,805
Common stock, shares outstanding at period start (in shares) at Dec. 31, 2015		112,563,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	13,960		13,960
Exercise of vested options	$ 10,568	$ 3	10,565
Exercise of vested options (in shares)	2,535,620	2,535,620
Vesting of restricted stock units, net of shares withheld (in shares)		144,651
Adjustment To Additional Paid in Capital, Income Tax Effect From Share Settlements Of Restricted Awards And Units Net	$ (1,258)		(1,258)
Exercise of warrants, net of shares withheld	0
Exercise of warrants (in shares)		80,011
Issuance of common stock at acquisition date	6,966		6,966
Issuance of common stock at acquisition date (in shares)		685,749
Stock-based compensation—acquisitions	1,080		1,080
Retirement of restricted shares	0
Retirement of restricted shares (in shares)		(36,346)
Conversion of liability-classified restricted shares upon vesting	1,942		1,942
Excess tax benefit from the exercise of options	3,235		3,235
Other comprehensive income	7,667				7,667
Net income (loss)	(29,901)			(29,901)
Ending balance at Dec. 31, 2016	344,757	$ 116	442,510	(116,341)	18,472
Common stock, shares outstanding at period end (in shares) at Dec. 31, 2016		115,973,039
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	23,462		23,462
Exercise of vested options	$ 33,838	$ 6	33,832
Exercise of vested options (in shares)	5,760,263	5,760,263
Stock repurchase (in shares)	586,231	586,231
Stock repurchase	$ 10,301	$ 1		10,300
Vesting of restricted stock units, net of shares withheld (in shares)		622,167
Adjustment To Additional Paid in Capital, Income Tax Effect From Share Settlements Of Restricted Awards And Units Net	(6,417)	$ 1	(6,418)
Stock-based compensation—acquisitions	3,132		3,132
Conversion of liability-classified restricted shares upon vesting	2,838		2,838
Other comprehensive income	(24,851)				(24,851)
Net income (loss)	81,800			81,800
Ending balance at Dec. 31, 2017	$ 396,894	$ 122	499,441	(96,290)	(6,379)
Common stock, shares outstanding at period end (in shares) at Dec. 31, 2017	121,769,238	121,769,238
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect on beginning retained earnings	$ (51,364)		85	(51,449)
Stock-based compensation	36,729		36,729
Exercise of vested options	$ 18,253	$ 1	18,252
Exercise of vested options (in shares)	1,588,779	1,588,779
Issuance of convertible senior notes, net of issuance costs and taxes	$ 53,323		53,323
Purchase of capped call, net of taxes	$ (25,400)		(25,400)
Stock repurchase (in shares)	5,032,648	4,446,417
Stock repurchase	$ 134,647	$ 4		134,643
Vesting of restricted stock units, net of shares withheld (in shares)		860,102
Adjustment To Additional Paid in Capital, Income Tax Effect From Share Settlements Of Restricted Awards And Units Net	(24,065)	$ 1	(24,066)
Stock-based compensation—acquisitions	3,754		3,754
Other comprehensive income	(1,434)				(1,434)
Net income (loss)	77,491			77,491
Ending balance at Dec. 31, 2018	$ 400,898	$ 120	$ 562,033	$ (153,442)	$ (7,813)
Common stock, shares outstanding at period end (in shares) at Dec. 31, 2018	119,771,702	119,771,702

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities
Net income (loss)	$ 77,491	$ 81,800	$ (29,901)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation expense	34,477	22,655	13,168
Stock-based compensation expense—acquisitions	3,754	3,904	2,733
Depreciation and amortization expense	26,742	27,197	22,525
Bad debt expense	4,124	2,497	1,770
Foreign exchange loss (gain)	5,997	(27,424)	12,921
Amortization of debt issuance costs	1,191	463	184
Non-cash interest expense	10,968	3,117	5,337
Interest on marketable securities	(2,887)	426	914
Loss on disposal of assets	136	520	1,143
Asset impairment charges	0	3,162	551
Deferred income taxes	(22,414)	(49,535)	9,969
Amortization of deferred tax charge	0	0	17,132
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	17,215	(8,826)	(8,192)
Funds receivable and seller accounts	23,436	(13,477)	(10,910)
Prepaid expenses and other current assets	(4,785)	3,024	(1,384)
Other assets	43	(28)	438
Accounts payable	13,364	2,837	(3,585)
Accrued and other current liabilities	23,079	(2,659)	795
Funds payable and amounts due to sellers	(23,436)	13,477	10,910
Deferred revenue	1,331	434	964
Other liabilities	9,099	5,537	482
Net cash provided by operating activities	198,925	69,101	47,964
Cash flows from investing activities
Cash paid for asset acquisition and intangible assets	(35,494)	0	0
Acquisition of businesses, net of cash acquired	0	0	(7,880)
Purchases of property and equipment	(1,019)	(3,948)	(35,981)
Development of internal-use software	(19,537)	(9,208)	(11,769)
Purchases of marketable securities	(514,286)	(62,348)	(160,504)
Sales of marketable securities	284,943	137,340	80,704
Net cash (used in) provided by investing activities	(285,393)	61,836	(135,430)
Cash flows from financing activities
Payment of tax obligations on vested equity awards	(24,065)	(6,417)	(1,258)
Repurchase of stock	(134,647)	(10,301)	0
Proceeds from exercise of stock options	18,253	33,838	10,568
Proceeds from issuance of convertible senior notes	345,000	0	0
Payment of debt issuance costs	(9,962)	0	0
Purchase of capped call	(34,224)	0	0
Payments on capital lease obligations	(6,057)	(7,798)	(6,086)
Deferred payments on acquisition of business	0	0	(649)
Payments on facility financing obligation	(10,164)	(5,883)	0
Other financing, net	(128)	3,116	(3,099)
Net cash provided by (used in) financing activities	144,006	6,555	(524)
Effect of exchange rate changes on cash	(5,995)	(3,642)	(1,662)
Net increase (decrease) in cash, cash equivalents, and restricted cash	51,543	133,850	(89,652)
Cash, cash equivalents, and restricted cash at beginning of period	320,783	186,933	276,585
Cash, cash equivalents, and restricted cash at end of period	372,326	320,783	186,933
Supplemental cash flow disclosures:
Cash paid for interest	10,002	7,555	2,000
Cash paid for income taxes	966	1,003	10,559
Supplemental non-cash disclosures:
Equipment acquired under capital lease obligations	2,122	5,586	5,030
Stock-based compensation capitalized in development of capitalized software	2,252	807	792
Additions to development of internal-use software and property and equipment included in accounts payable and accrued expenses	1,211	956	2,239
Fair value of common stock issued in acquisition	$ 0	$ 0	$ 6,966

XML

Basis of Presentation and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation and Summary of Significant Accounting Policies

Note 1—Basis of Presentation and Summary of Significant Accounting Policies

Description of Business

Etsy, Inc. (the “Company” or “Etsy”) was incorporated in Delaware in February 2006. Etsy is the global marketplace for unique and creative goods. The Company generates revenue primarily from transaction and listing fees, Etsy Payments fees, Promoted Listing fees, Etsy Shipping Label sales, Pattern fees, and Etsy Plus subscription fees.

Basis of Consolidation

The Consolidated Financial Statements include the accounts of Etsy and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Reclassifications

Certain items in the prior years’ Consolidated Financial Statements have been reclassified to conform to the current year presentation reflected in the Consolidated Financial Statements. Specifically, the Company reclassified $0.2 million previously included in other assets to deferred tax assets on the Consolidated Balance Sheet for the year ended December 31, 2017 to conform to the current year presentation.

Additionally, the Company reclassified $146.6 million and $111.4 million previously included in Services revenue to Marketplace revenue (see “Note 2—Revenue”) for the years ended December 31, 2017 and 2016, respectively, to conform to the current year presentation in connection with the adoption of Accounting Standards Codification (“ASC”) 606—Revenue from Contracts with Customers.

The Company also reclassified $5.3 million on the Consolidated Statement of Cash Flows in the years ended December 31, 2017 and 2016 to include restricted cash in the beginning and ending cash, cash equivalents, and restricted cash balances to conform to the current year presentation upon adoption of Accounting Standards Update (“ASU”) 2016-18—Statement of Cash Flows: Restricted Cash.

The Company also reclassified $1.6 million and $7.8 million previously included in changes in prepaid expenses and other current assets, accrued and other current liabilities, and other liabilities to deferred income taxes on the Consolidated Statements of Cash Flows for the years ended December 31, 2017 and 2016, respectively, to conform to the current year presentation.

Revisions

The Company revised the Consolidated Statement of Cash Flows for the years ended December 31, 2017 and 2016 to correct the presentation of the effect of exchange rate changes on cash. This revision resulted in an increase (decrease) of $1.7 million in cash flows from operating activities, $3.1 million in cash flows from financing activities, and $(4.8) million in effect of exchange rate changes on cash in the year ended December 31, 2017 and an increase (decrease) of $(2.0) million in cash flows from operating activities, $(3.1) million in cash flows from financing activities, and $5.1 million in effect of exchange rate changes on cash in the year ended December 31, 2016.

Additionally, the 2018 quarterly periods will also be revised in connection with our future 2019 unaudited interim condensed Consolidated Financial Statement filings in Quarterly Reports on Form 10-Q. The Company will revise the Consolidated Statements of Cash Flows for the year-to-date periods ended September 30, 2018, June 30, 2018 and March 31, 2018 to correct the presentation of the effect of exchange rate changes on cash. This revision will result in an increase (decrease) of $(0.3) million in cash flows from operating activities, $4.0 million in cash flows from financing activities, and $(3.7) million in effect of exchange rate changes on cash in the nine months ended September 30, 2018, an increase (decrease) of $0.3 million in cash flows from operating activities, $1.0 million in cash flows from financing activities, and $(1.3) million in effect of exchange rate changes on cash in the six months ended June 30, 2018, and an increase (decrease) of $(0.3) million in cash flows from operating activities, $(2.7) million in cash flows from financing activities, and $3.0 million in effect of exchange rate changes on cash in the three months ended March 31, 2018.

These revisions do not impact the Consolidated Statements of Operations, the Consolidated Statements of Comprehensive Income (Loss), or the Consolidated Balance Sheets. The Company has concluded that the effect of this revision is not material to any of our previously issued financial statements.

Correction of Errors

During the year ended December 31, 2018, the Company recorded adjustments to correct errors in the years ended December 31, 2018, 2017 and 2016 that increased income before income taxes by $1.5 million in the current year and decreased net income by $1.3 million in the current year. The Company has concluded that the errors and their correction were not material to the Consolidated Financial Statements for any of the periods impacted nor are they material for the 2018 results.

Use of Estimates

The preparation of the Company’s Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and disclosure of contingent assets, liabilities and equity at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. The accounting estimates that require management’s most difficult and subjective judgments include: for revenue recognition, determining the nature and timing of satisfaction of performance obligations and stand-alone selling price for use in allocating the subscription price; income taxes, including the assessment of valuation allowances and the accounting for uncertain tax positions; website development costs and internal-use software; purchase price allocations for business combinations; valuation of goodwill and intangible assets; leases; stock-based compensation; restructuring and other exit costs (income); and fair value of financial instruments. The Company evaluates its estimates and judgments on an ongoing basis and revises them when necessary. Actual results may differ from the original or revised estimates.

Revenue Recognition

The Company’s revenue is diversified; generated from a mix of marketplace activities and other optional services to help Etsy sellers to generate more sales and scale their businesses. Revenues are recognized as the Company transfers control of promised goods or services to Etsy sellers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The Company evaluates whether it is appropriate to recognize revenue on a gross or net basis based upon its evaluation of whether the Company obtains control of the specified goods or services by considering if it is primarily responsible for fulfillment of the promise, has inventory risk, and has the latitude in establishing pricing and selecting suppliers, among other factors. Based on its evaluation of these factors, revenue is recorded either gross or net of costs associated with the transaction. With the exception of Etsy Shipping Labels, the Company’s revenues are recognized on a gross basis. Sales and usage-based taxes are excluded from revenues.

Marketplace revenue:  As members of the Etsy marketplace, Etsy sellers receive the benefit of marketplace activities, including listing items for sale, completing sales transactions, and payments processing, which represents a single stand-ready performance obligation. Etsy sellers pay a fixed listing fee of $0.20 for each item listed on Etsy.com for a period of four months or, if earlier, until a sale occurs. Variable fees include the 5% transaction fee that an Etsy seller pays for each completed transaction, inclusive of shipping fees charged, and Etsy Payments fees for processing payments, including foreign currency payments. On July 16, 2018, the Company increased the seller transaction fee from 3.5% to 5% of each completed transaction, and now applies it to the cost of shipping in addition to the cost of the item. Etsy Payments processing fees vary between 3–4.5% of an item’s total sale price, including shipping, plus a flat fee per order, depending on the country in which a seller’s bank account is located. When a foreign currency payment is processed, an additional 2.5–5% transaction fee is applied.

The listing fee is recognized ratably over a four-month listing period, unless the item is sold or the seller re-lists it, at which time any remaining listing fee is recognized. The transaction fee and Etsy Payments fees are recognized when the corresponding transaction is consummated. Listing fees are nonrefundable while transaction fees and Etsy Payments fees are recorded net of refunds.

Services revenue: Services revenue is derived from optional services offered to Etsy sellers, which include Promoted Listings, Etsy Shipping Labels, Pattern, and Etsy Plus. Each service below represents an individual obligation that the Company must perform when an Etsy seller chooses to use the service.

• Revenue from Promoted Listings, the Company’s on-site advertising service, consists of cost-per-click fees an Etsy seller pays for prominent placement of the seller’s listings in search results in the Company’s marketplace. Promoted Listings fees are based on an auction system, which utilizes the budget that each Etsy seller sets when using Promoted Listings to determine the cost-per-click fee. Promoted Listing fees are nonrefundable and are charged to a seller’s Etsy bill when the Promoted Listing is clicked; at which time revenue is recognized.

• Revenue from Etsy Shipping Labels consists of fees an Etsy seller pays the Company when she purchases shipping labels through its platform, net of the cost the Company incurs in purchasing those shipping labels. The Company provides its sellers access to purchase shipping labels from the United States Postal Service, FedEx, Canada Post, Royal Mail, and DAI Post at discounted pricing due to the volume of purchases through its platform. The Company recognizes Etsy Shipping Label revenue when an Etsy seller purchases a shipping label. The Company recognizes Etsy Shipping Label revenue on a net basis as it is an agent in this arrangement and does not take control of shipping labels prior to transferring the labels to the Etsy Seller. Etsy Shipping Label revenue is recorded net of refunds.

• Revenue from Pattern consists of monthly subscription fees an Etsy seller pays to use the Company’s custom website services. The Company recognizes revenue from Pattern ratably over the term of the subscription. The Pattern subscription fee is $15 per month and is nonrefundable.

• Revenue from Etsy Plus consists of monthly subscription fees an Etsy seller pays for enhanced tools and credits for use on the Company’s platform. The Etsy Plus subscription fee is $10 per month and is nonrefundable. Each feature represents its own distinct performance obligation. The Company allocates subscription revenue based on the relative actual or estimated stand-alone selling price of the features included in the Etsy Plus offering. Enhanced tools include advanced shop customization options, targeted restock notifications, discounts on branded packaging and promotional materials, and free or discounted custom web addresses, all of which are recognized ratably over the 30-day subscription period. Additionally, the subscription includes $5 of Promoted Listing credits and 15 free listing credits per month. The allocated value of Promoted Listing credits is recognized when the Promoted Listing is clicked, or when the 30-day subscription period expires. The allocated value of listing credits is deferred until the option is used, and once used, allocated over the four-month listing period. Any unused listing credits are recognized when the 30-day subscription period expires.

Other revenue: Other revenue typically includes revenue generated from commercial partnerships, which are recognized as the customer in each contract consumes the benefit of the service Etsy provides in each arrangement.

Cost of Revenue

Cost of revenue primarily consists of the cost of interchange and other fees for credit card processing services, credit card verification service fees, and credit card chargebacks to support Etsy Payments revenue, and costs of refunds made to Etsy buyers that the Company is not able to collect from Etsy sellers. Cost of revenue also includes expenses associated with the operation and maintenance of the Company’s platform and its data centers, including employee-related costs, hosting and bandwidth costs, and depreciation and amortization.

Marketing

Marketing expenses largely consist of direct marketing and indirect employee-related expenses to support our marketing initiatives. Direct marketing includes digital marketing, brand marketing and television, seller lifecycle and growth activities, public relations, communications, and marketing partnerships. Digital marketing, also referred to as performance marketing, primarily consists of targeted promotional campaigns through electronic channels, such as product listing ads, search engine marketing, affiliate programs, and display advertising which are focused on buyer acquisition and brand marketing. Advertising expenses are recognized as incurred, with the exception of certain production expenses related to television and display advertising which are deferred until the first time an advertisement airs or is published. If such advertising is not expected to occur, costs are expensed immediately. Advertising expenses related to direct marketing, included in marketing expenses on the Consolidated Statements of Operations, were $129.1 million, $78.4 million, and $55.5 million in the years ended December 31, 2018, 2017, and 2016, respectively.

Product Development

Product development expenses consist primarily of employee-related expenses for engineering, product management, product design, and product research activities. Additional expenses include consulting costs related to the development, quality assurance, and testing of new technology and enhancement of our existing technology.

Stock-Based Compensation

The Company accounts for its stock-based compensation awards in accordance with ASC Topic 718—Compensation—Stock Compensation (“ASC 718”). Stock options and restricted stock units (“RSUs”) are awarded to employees and members of the Company’s Board of Directors and are measured at fair value at each grant date. The Company calculates the fair value of stock options on the date of grant using the Black-Scholes option-pricing model and the expense is recognized over the requisite service period. Prior to the IPO, the Company utilized equity valuations based on comparable publicly-traded companies, discounted free cash flows, an analysis of the Company’s enterprise value, and other factors deemed relevant in estimating the fair value of its common stock. Subsequent to the IPO, the Company has used the closing price of its common stock on Nasdaq as the fair value of its common stock. The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant. Expected volatilities are based on implied volatilities from market comparisons of Etsy and certain publicly traded companies, and other factors. The expected term of stock options granted has been determined using the simplified method, which uses the midpoint between the vesting date and the contractual term. The fair value of RSUs is determined based on the closing price of the Company’s common stock on Nasdaq on the grant date. The requisite service period for stock options and RSUs is generally four years from the date of grant.

In the first quarter of 2017, the Company made an accounting policy election to recognize forfeitures as they occur upon adoption of guidance in ASU 2016-09—Compensation—Stock Compensation: Scope of Modification Accounting. In reporting periods prior to 2017, the Company estimated forfeitures at the time of grant and revised in subsequent periods as necessary if actual forfeitures differed from estimates.

The Company accounted for stock-based compensation arrangements related to the A Little Market (“ALM”) acquisition in restricted shares, subject to a put option that allows the holder of the shares to put the shares back to the Company for cash, as liability-classified stock awards. These awards were re-measured at fair value each reporting period, with changes in fair value being charged to the Consolidated Statement of Operations. Compensation expense was recognized using a graded vesting methodology for each separately vesting tranche as though the award were, in substance, multiple awards. Unless the put option was exercised, the restricted shares were to be reclassified from a liability to an equity classified award upon the termination of the put option at the vesting of each separate tranche. In 2017, all outstanding restricted shares subject to a put option became fully vested and the Company is no longer required to remeasure these awards at fair value going forward.

Foreign Currency

The Company has determined that the functional currency for each of its foreign operations is the currency of the primary cash flow of the operations, which is generally the local currency in which the operation is located. All assets and liabilities are translated into U.S. dollars using exchange rates in effect at the balance sheet date. Revenue and expenses are translated using average exchange rates during the period. Foreign currency translation adjustments are reflected in stockholders’ equity as a component of other comprehensive income (loss). Transaction gains and losses including intercompany balances denominated in a currency other than the functional currency of the entity involved are included in foreign exchange gain (loss) within other income (expense) in the Consolidated Statement of Operations.

Income Taxes

The income tax (provision) benefit is based on income (loss) before income taxes and is accounted for under the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to settle. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as income or expense in the period that includes the enactment date. Management assesses the need for a valuation allowance on a quarterly basis to reduce deferred tax assets to the amounts expected to be realized.

On December 22, 2017 the Tax Cuts and Jobs Act of 2017 (the “TCJA”) was signed into law. The TCJA requires the Company to make an accounting policy election of either (1) treating taxes due on future U.S. inclusions in taxable income related to Global Intangible Low Taxed Income ("GILTI") as a current period expense when incurred (the “period cost method”) or (2) factoring such amounts into the Company’s measurement of its deferred taxes (the “deferred method”). The Company has recorded tax expense related to GILTI in its effective tax rate for 2018, and has elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI as a current period expense when incurred using the period cost method.

The Company accounts for uncertainty in income taxes using a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by the taxing authorities. The amount recognized is measured as the largest amount of benefit that has a greater than 50% likelihood of being realized upon ultimate audit settlement.

The Company recognizes interest and penalties, if any, associated with income tax matters as part of the income tax provision and includes accrued interest and penalties with the related income tax liability in the Consolidated Balance Sheet.

Excess Tax Benefits from Exercise of Stock Options

As of the first quarter of 2017, the Company adopted ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting, for share-based payment transactions that require a reporting entity to recognize excess tax benefits and deficiencies as income tax expense or benefit in the income statement. Prior to this adoption, including the year ended December 31, 2016, the Company used the “with and without” approach in determining the order in which tax attributes were utilized. As a result, the Company recognized a tax benefit from stock-based awards (“windfall”) in additional paid-in capital only if an incremental tax benefit was realized after all other tax attributes available to the Company had been utilized. When tax deductions from stock-based awards were less than the cumulative book compensation expense, the tax effect of the resulting difference (“shortfall”) was charged first to additional paid-in capital, to the extent of the Company’s pool of windfall tax benefits, with any remainder recognized in income tax expense.

Net Income (Loss) Per Share

Basic net income (loss) per share attributable to common stockholders is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted net income (loss) per share is computed by dividing net income (loss) for the period by the weighted-average number of shares of common stock and potentially dilutive common stock outstanding during the period. Net income in the diluted net income per share calculation is adjusted for income or loss from fair value adjustments on instruments accounted for as liabilities, but which may be settled in shares. The dilutive effect of outstanding options and stock-based compensation awards is reflected in diluted net income (loss) per share by application of the treasury stock method. Since the Company expects to settle in cash the principal outstanding under the 0% Convertible Senior Notes due 2023 the Company issued in March 2018 (the “Notes,” see “Note 13—Debt”), it uses the treasury stock method when calculating the potential dilutive effect of the conversion spread on diluted net income per share, if applicable. The conversion spread will have a dilutive impact on diluted net income per share of common stock when the average market price of the Company’s common stock for a given period exceeds the conversion price of $36.27 per share.

The calculation of diluted net income (loss) per share excludes all anti-dilutive common shares. For periods in which the Company has reported net losses, diluted net loss per share attributable to common stockholders is the same as basic net loss per share attributable to common stockholders, because dilutive common shares are not assumed to have been issued if their effect is anti-dilutive.

Segment Data

The Company identifies operating segments as components of an entity for which discrete financial information is available and is regularly reviewed by the chief operating decision maker, or decision-making group, in making decisions regarding resource allocation and performance assessment. The Company defines the term “chief operating decision maker” to be its chief executive officer. The Company has determined it operates in one operating segment and one reportable segment, as its chief operating decision maker reviews financial information presented on only a consolidated basis for purposes of allocating resources and evaluating financial performance.

Cash, Cash Equivalents, and Short-term Investments

The Company considers all investments with an original maturity of three months or less at time of purchase to be cash equivalents. Cash restricted by third parties is not considered cash and cash equivalents. Short-term investments, consisting primarily of commercial paper, U.S. Government and agency securities, and corporate bonds with original maturities of greater than three months but less than one year when purchased, are classified as available-for-sale and are reported at fair value using the specific identification method. Unrealized gains and losses are excluded from earnings and reported as a component of other comprehensive income (loss), net of related estimated income tax provisions or benefits.

The following table provides cash, cash equivalents, and short-term investments within the Consolidated Balance Sheets as of the dates indicated (in thousands):

	As of December 31,
	2018		2017
Cash and cash equivalents	$	366,985	$	315,442
Short-term investments	257,302		25,108
Total cash, cash equivalents, and short-term investments	$	624,287	$	340,550

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash and cash equivalents, short-term investments, and funds receivable and seller accounts. The Company reduces credit risk by placing its cash and cash equivalents with major financial institutions with high credit ratings. At times, such amounts may exceed federally insured limits. In addition, funds receivable are generated primarily with credit card and payment processing companies which management believes are of high credit quality.

Fair Value of Financial Instruments

Management believes that the fair value of financial instruments, consisting of cash and cash equivalents, short-term investments, accounts receivable, funds receivable and seller accounts, accounts payable, and funds payable and seller accounts approximates carrying value due to the immediate or short-term maturity associated with these instruments.

In accounting for the issuance of the Notes discussed in “Note 13—Debt,” management used estimates and assumptions to calculate the carrying amounts of the liability and equity components by measuring the fair value of similar securities.

Accounts Receivable and Allowance for Doubtful Accounts

The Company’s trade accounts receivable are recorded at amounts billed to Etsy sellers and are presented on the Consolidated Balance Sheet net of the allowance for doubtful accounts. The allowance is determined by a number of factors, including age of the receivable, current economic conditions, historical losses, and management’s assessment of the financial condition of Etsy sellers. Receivables are written off once they are deemed uncollectible, which may arise when Etsy sellers file for bankruptcy or are otherwise deemed unable to repay the amounts owed to the Company. Estimates of uncollectible accounts receivable are recorded to general and administrative expense. See “Note 2—Revenue” for additional information on payment terms related to the Company’s accounts receivable balances.

The following table summarizes the allowance activity during the periods indicated (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Balance as of the beginning of period	$	2,687		$	1,999		$	2,071
Bad debt expense	4,124			2,497			1,770
Write-offs, net of recoveries and other adjustments	(2,091		)	(1,809		)	(1,842		)
Balance as of the end of period	$	4,720		$	2,687		$	1,999

Funds Receivable and Seller Accounts and Funds Payable and Amounts due to Sellers

The Company records funds receivable and seller accounts and funds payable and amounts due to sellers as current assets and liabilities, respectively, on the Consolidated Balance Sheet. Funds receivable and seller accounts represent amounts received or expected to be received from Etsy buyers via third-party credit card processors, which flow through an Etsy bank account for payment to Etsy sellers. This cash and related receivable represent the total amount due to sellers, and as such a liability for the same amount is recorded to funds payable and amounts due to Etsy sellers.

Property and Equipment

Property and equipment, consisting principally of building, capitalized website development and internal-use software, leasehold improvements, and computer equipment, are recorded at cost. The Company capitalizes construction in progress for build-to-suit lease agreements where we are the owner, for accounting purposes only, during the construction period. Depreciation and amortization begin at the time the asset is placed into service and are recognized using the straight-line method in amounts sufficient to relate the cost of depreciable and amortizable assets to the Consolidated Statements of Operations over their estimated useful lives. Repairs and maintenance are charged to the Consolidated Statements of Operations as incurred. Upon sale or retirement of assets, the cost and related accumulated depreciation or amortization are removed from the balance sheet and the resulting gain or loss is reflected in the Consolidated Statements of Operations.

When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of tangible long-lived assets based on its expectations of future profitability, undiscounted cash flows, and management’s plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. See “Recently Issued Accounting Pronouncements” below for information on the impact of ASU 2016-02—Leases on property and equipment balances.

Website Development and Internal-use Software Costs

Costs incurred to develop the Company’s website and software for internal-use are capitalized and amortized over the estimated useful life of the software, generally three to five years. In accordance with authoritative accounting guidance, capitalization of costs to develop software begin when preliminary development efforts are successfully completed, management has authorized and committed project funding, and it is probable that the project will be completed and the software will be used as intended. The Company also capitalizes costs related to upgrades and enhancements when it is probable the expenditures will result in additional functionality or will extend the useful life of existing functionality. Costs related to the design or maintenance of website development and internal-use software are expensed as incurred. The Company periodically reviews capitalized website development and internal-use software costs to determine whether the projects will be completed, placed in service, removed from service, or replaced by other internally-developed or third-party software. If an asset is not expected to provide any future use, the asset is retired and any unamortized cost is expensed.

If an asset will continue to be used, but the net book value is not expected to be fully recoverable, the asset is impaired to its fair value. When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of website development and internal-use software costs based on its expectations of future profitability, undiscounted cash flows, and our plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. No impairment of capitalized website development and internal-use software assets was recorded during the years ended December 31, 2018 and 2016. The Company recognized an asset impairment charge of $3.2 million related to capitalized web development and internal-use software assets in the year ended December 31, 2017 as a result of its decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing.

Capitalized website development and internal-use software costs are included in property and equipment within the Consolidated Balance Sheets.

Asset Acquisitions

The Company has completed asset acquisitions and may complete additional asset acquisitions in the future. In an asset acquisition, the Company initially determines whether it acquired a single or group of assets. Acquired assets are recognized based on the purchase price, which is presumed to equal the fair value of the net assets acquired and amortized in the period over which the asset is expected to contribute directly or indirectly to the future cash flows of that entity. When circumstances indicate that the carrying value of these assets may not be recoverable, the Company reviews its identifiable amortizable intangible assets for impairment. The Company accrues for contingent consideration when payout becomes probable and is reasonably estimable.

Business Combinations

The Company has completed a number of acquisitions of other businesses in the past and may acquire additional businesses or technologies in the future. In an acquisition, the Company first reviews if substantially all of the fair value of the assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets, in which case the set is not considered a business and is accounted for as an asset acquisition.

The results of businesses acquired in a business combination are included in the Company’s Consolidated Financial Statements from the date of acquisition. The Company allocates the purchase price, which is the sum of the consideration provided and may consist of cash, equity, or a combination of the two, in a business combination to the identifiable assets and liabilities of the acquired business at their acquisition date fair values. The excess of the purchase price over the amount allocated to the identifiable assets and liabilities, if any, is recorded as goodwill. Determining the fair value of assets acquired and liabilities assumed requires management to use significant judgment and estimates, including the selection of valuation methodologies, estimates of future revenue and cash flows, discount rates, and selection of comparable companies.

When the Company issues stock-based or cash awards to an acquired company’s stockholders, the Company evaluates whether the awards are contingent consideration or compensation for post-combination services. The evaluation includes, among other things, whether the vesting of the awards is contingent on the continued employment of the acquired company’s stockholder beyond the acquisition date. If continued employment is required for vesting, the awards are treated as compensation for post-combination services and recognized as expense over the requisite service period.

The Company initially recognizes intangible assets at fair value, and amortizes them on a straight-line basis over their estimated useful lives. When circumstances indicate that the carrying value of these assets may not be recoverable, the Company reviews its identifiable amortizable intangible assets for impairment.

To date, the assets acquired and liabilities assumed in the Company’s business combinations have primarily consisted of goodwill and finite-lived intangible assets, consisting primarily of developed technologies, customer relationships, and trademarks. The estimated fair values and useful lives of identifiable intangible assets are based on many factors, including estimates and assumptions of future operating performance and cash flows of the acquired business, the nature of the business acquired, and the specific characteristics of the identified intangible assets. The estimates and assumptions used to determine the fair values and useful lives of identified intangible assets could change due to numerous factors, including market conditions, technological developments, economic conditions, and competition. In connection with determination of fair values, the Company may engage independent appraisal firms to assist with the valuation of intangible and certain tangible assets acquired and certain assumed obligations.

Acquisition-related transaction costs incurred by the Company are not included as a component of consideration transferred, but are accounted for as an expense in the period in which the costs are incurred.

Goodwill

Goodwill represents the excess of the aggregate fair value of the consideration transferred in a business combination over the fair value of the assets acquired, net of liabilities assumed. Goodwill is not amortized, but is subject to an annual impairment test. Management has determined that the Company has a single reporting unit and performs its annual goodwill impairment test during the fourth quarter or more frequently if events or changes in circumstances indicate that the goodwill may be impaired.

Events or changes in circumstances which could trigger an impairment review include significant changes in the manner of the Company’s use of the acquired assets or the strategy for the Company’s overall business, significant negative industry or economic trends, significant underperformance relative to historical or projected future results of operations, a significant adverse change in the business climate, cost factors that have a negative effect on earnings and cash flows, an adverse action or assessment by a regulator, a sustained decrease in share price, unanticipated competition, or a loss of key personnel.

The Company has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of the reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, the Company determines it is not more likely than not that the fair value of the reporting unit is less than its carrying amount, then additional impairment testing is not required. However, if the Company concludes otherwise, then it is required to perform a quantitative assessment for impairment.

The quantitative assessment involves comparing the estimated fair value of the reporting unit with its respective book value, including goodwill. If the estimated fair value exceeds book value, goodwill is considered not to be impaired and no additional steps are necessary. If, however, the book value of the reporting unit exceeds the fair value, an impairment loss is recognized in an amount equal to the excess, not to exceed the total amount of goodwill allocated to that reporting unit.

The Company completed a qualitative analysis during the fourth quarter of 2018. No impairment of goodwill was recorded during the three years ended December 31, 2018, 2017, and 2016.

Intangible Assets

Intangible assets are amortized over the estimated useful life of the asset. The estimated useful lives of acquired technology, customer relationships, and trademarks are generally three years and the estimated useful life of the referral agreement is ten years. When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of intangible assets based on its expectations of future profitability, undiscounted cash flows, and management’s plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. No impairment of intangible assets was recorded during the two years ended December 31, 2018 and 2017. The Company recognized an asset impairment charge of $0.6 million in the year ended December 31, 2016, related to the impairment of nonrecoverable intangible assets acquired in the ALM and Jarvis Labs, Inc. acquisitions for customer relationships and trademarks.

Leases

The Company leases office space and certain computer equipment in multiple locations under non-cancelable lease agreements. The leases are reviewed for classification as operating, capital, or build-to-suit leases. For operating leases, rent is recognized on a straight-line basis over the lease period. For capital leases, the Company records the leased asset with a corresponding liability. Payments are recorded as reductions to the liability with an appropriate interest charge recorded based on the then-outstanding remaining liability. Upon adoption of ASU 2016-02—Leases, the Company will recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases.

The Company considers the nature of the renovations and the Company’s involvement during the construction period of newly-leased office space to determine if it is considered, for accounting purposes only, to be the owner of the construction project during the construction period. If the Company determines that it is the owner of the construction project, it is required to capitalize the fair value of the building as well as the construction costs incurred on its Consolidated Balance Sheet along with a corresponding financing liability (“build-to-suit accounting”). Upon occupancy for build-to-suit leases, the Company assesses whether the circumstances qualify for sales recognition under the sale-leaseback accounting guidance. If the lease meets the sale-leaseback criteria, the Company will remove the asset and related financial obligation from the balance sheet and treat the building lease as an operating lease. If upon completion of construction, the project does not meet the sale-leaseback criteria, the leased property will be treated as a capital lease for financial reporting purposes.

In May 2016, the Company took possession of its corporate headquarters in Brooklyn, New York upon substantial completion of the construction phase of the build-out. Upon completion of the project, the Company performed a sale-leaseback analysis pursuant to Accounting Standards Codification (“ASC”) 840—Leases, to determine the appropriateness of removing the previously capitalized assets from the Consolidated Balance Sheets. The Company concluded that components of “continuing involvement” were evident as a result of this review, precluding the derecognition of the related assets from the Consolidated Balance Sheets. In conjunction with the initiation of the lease in May 2014, the Company also recorded a facility financing obligation equal to the fair market value of the assets received from the landlord. As of December 31, 2018, the facility financing obligation outstanding was $60.0 million. The Company does not report rent expense for the lease. Rather, rental payments under the lease are recognized as a reduction of the financing obligation and interest expense, and the associated asset capitalized throughout the construction project is depreciated over its estimated useful life. Upon adoption of ASU 2016-02—Leases, the Company will derecognize the facility financing obligation and any gains or losses associated with this change in accounting will be recognized through a cumulative-effect adjustment to accumulated deficit as of January 1, 2019. Additionally, a new right-of-use asset and lease liability will be recognized on the Consolidated Balance Sheet for the associated lease. See “Recently Issued Accounting Pronouncements” below for additional information on the impact of ASU 2016-02—Leases.

Contingencies

The Company accrues for loss contingencies when losses become probable and are reasonably estimable. If the reasonable estimate of the loss is a range and no amount within the range is a better estimate, the minimum amount of the range is recorded as a liability. The Company does not accrue for contingent losses that, in its judgment, are considered to be reasonably possible, but not probable; however, it discloses the range of such reasonably possible losses.

Recently Issued Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board (“FASB”) issued ASU 2016-02—Leases, and additional changes, modifications, clarifications, or interpretations related to this guidance thereafter, which require a reporting entity to recognize right-of-use assets and lease liabilities on the balance sheet for operating leases to increase transparency and comparability. The new guidance is effective for annual and interim periods beginning after December 15, 2018, and early adoption is permitted. The Company will adopt this guidance on a modified retrospective basis as of January 1, 2019, utilizing transition guidance introduced in ASU 2018-11—Leases: Targeted Improvements and expects to elect the ‘package of practical expedients,’ which permits the Company not to reassess prior conclusions about lease identification, classification and initial direct costs. The Company does not expect to elect the use-of-hindsight or the practical expedient pertaining to land easements; the latter not being applicable.

The Company has not yet finalized the review, however, the Company is expecting that this standard will have a material effect on the Company’s Consolidated Financial Statements. The most significant effects relate to the recognition of new right-of-use assets and lease liabilities on the Consolidated Balance Sheet for real estate operating leases; the derecognition of existing assets and liabilities for a sale-leaseback transaction (arising from a build-to-suit lease arrangement on our Brooklyn headquarters for which construction is complete and the Company is leasing the constructed asset) that currently does not qualify for sale accounting; and providing significant new disclosures about leasing activities. However, the Company does not expect adoption to have a material impact on its results of operations or liquidity. The accounting for capital leases is expected to remain substantially unchanged. Upon adoption, the Company will:

• recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases;

• derecognize existing facility financing obligations and the related existing building asset for our corporate headquarters. Any gains or losses associated with this change in accounting will be recognized through a cumulative-effect adjustment to accumulated deficit as of January 1, 2019. Additionally, a new right-of-use asset and lease liability will be recognized on the Consolidated Balance Sheet for the associated lease, which will be classified as a financing lease.

The new standard also provides practical expedients for an entity’s ongoing accounting. The Company will elect the short-term lease recognition exemption for all leases that qualify. Accordingly, we will not recognize right-of-use assets or lease liabilities for leases that qualify, including leases for existing short-term leases in effect at transition and will recognize those payments on the Consolidated Statements of Operations on a straight-line basis over the lease term. The Company will elect the practical expedient to not separate lease and non-lease components for all its leases.

In January 2016, the FASB issued ASU 2016-13—Financial Instruments—Credit Losses, and additional changes, modifications, clarifications or interpretations related to this guidance thereafter, which require a reporting entity to estimate credit losses on certain types of financial instruments, and present assets held at amortized cost and available-for-sale debt securities at the amount expected to be collected. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impact of the new guidance on its Consolidated Financial Statements.

In July 2018, FASB issued ASU 2018-09—Codification Improvements, which clarifies, corrects, and makes minor improvements across multiple topics in the codification. The transition and effective dates are based on the facts and circumstances of each amendment, with some amendments becoming effective upon issuance of the update, and others becoming effective for annual periods beginning after December 15, 2018. The amendments that were effective upon issuance of the update did not have an impact on the Company’s Consolidated Financial Statements. The Company is currently evaluating the impact of the adoption of the other amendments on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU 2018-15—Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new guidance on its Consolidated Financial Statements.

Recently Adopted Accounting Pronouncements

In May 2014, the FASB issued ASU 2014-09—Revenue from Contracts with Customers, and additional changes, modifications, clarifications, or interpretations related to this guidance thereafter, which replaces existing revenue recognition guidance. The new guidance was effective for the annual and interim periods beginning after December 15, 2017. Among other things, the updated guidance requires companies to recognize revenue in a way that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The Company adopted the requirements of the new guidance as of January 1, 2018, utilizing the full retrospective method of transition. In connection with the adoption, the company reclassified Etsy Payments revenue from Services revenue to Marketplace revenue in the Consolidated Statements of Operations. Aside from this presentation reclassification, adoption of the new guidance did not result in changes to the prior year or current year Consolidated Financial Statements. See“Revenue Recognition” above and Note 2—Revenue” for additional information regarding revenue recognition.

In November 2016, the FASB issued ASU 2016-18—Statement of Cash Flows: Restricted Cash, which requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. The new guidance is effective for the annual and interim periods beginning after December 15, 2017. The Company adopted this standard in the first quarter of 2018 utilizing the full retrospective method of transition. As a result of this guidance, the Company reclassified $5.3 million on the Consolidated Statement of Cash Flows in the year ended December 31, 2018, 2017, and 2016 to include restricted cash in the beginning and ending cash, cash equivalents, and restricted cash balances.

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statement of Cash Flows (in thousands):

	Year Ended December 31,
	2018		2017		2016
Beginning balance:
Cash and cash equivalents	$	315,442	$	181,592	$	271,244
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	320,783	$	186,933	$	276,585
Ending balance:
Cash and cash equivalents	$	366,985	$	315,442	$	181,592
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	372,326	$	320,783	$	186,933

The balances included in restricted cash represent amounts held as collateral associated with the lease of the Company’s Brooklyn, New York headquarters. This standard had no other impact to the Consolidated Financial Statements.

In June 2018, the FASB issued ASU 2018-07—Improvements to Nonemployee Share-Based Payment Accounting, which expands the scope of ASC Topic 718—Compensation—Stock Compensation, to include share-based payment transactions for acquiring goods and services from non-employees. The new guidance is effective for annual and interim periods beginning after December 15, 2018, and early adoption is permitted. The Company adopted this standard in the third quarter of 2018 noting that the adoption of the standard had no material impact on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU 2018-13—Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement, which adds, modifies, and removes various disclosure requirements for fair value measurements. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company adopted this standard in the third quarter of 2018 noting that the adoption of the standard had no impact on its fair value measurement disclosures.

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Revenue

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Revenue

Note 2—Revenue

The following table summarizes revenue by type of service for the periods presented (in thousands):

	Year Ended December 31,
	2018		2017		2016
Marketplace revenue (1)	$	440,740	$	326,076	$	269,628
Services revenue	158,928		111,869		89,433
Other revenue	4,025		3,286		5,906
Revenue	$	603,693	$	441,231	$	364,967

(1) Etsy Payments revenue for the years ended December 31, 2018, 2017, and 2016 has been reclassified and presented within Marketplace revenue. Comparative periods have been reclassified to conform to current period presentation.

See “Note 1—Basis of Presentation and Summary of Significant Accounting Policies —Revenue Recognition” for additional information on recognition.

Payment terms

As of November 13, 2018, for Etsy sellers using Etsy Payments, all charges, including listing fees, transaction fees, Etsy Payments fees, Promoted Listings fees, Etsy Shipping Labels fees, Pattern fees, Etsy Plus fees, are deducted from the funds credited to the seller’s shop payment account in the seller’s ledger currency prior to settlement of those funds to the seller’s bank account. Etsy sellers receive a statement electronically on the first day of each month outlining the previous month’s charges and any remaining amount due after the Company’s fees are deducted from the seller’s shop payment account. Etsy sellers that do not use Etsy Payments receive a statement electronically on the first day of each month for the previous month’s charges in U.S. Dollars, including all listing fees, transactions fees, Promoted Listing fees, Etsy Shipping Labels fees, Pattern fees, and Etsy Plus fees. Payment is due by the 15th of every month.

Prior to November 13, 2018, Etsy sellers would receive a statement electronically on the first day of each month for the previous month’s charges in U.S. Dollars, including all listing fees, transactions fees, Promoted Listing fees, Etsy Shipping Labels fees, Pattern fees, and Etsy Plus fees. Payment was due by the 15th of every month. Prior to November 13, 2018 only Etsy Payments fees were deducted from the funds credited to the seller’s shop payment account in the seller’s ledger currency prior to settlement of those funds to the seller’s bank account.

Contract balances

Deferred revenues

The Company records deferred revenues when cash payments are received or due in advance of the completion of the listing or subscription period, which represents the value of the Company’s unsatisfied performance obligations. Deferred listing revenue is recognized ratably over the remainder of the four-month listing period, unless the item is sold or the seller re-lists it, at which time any remaining listing fee is recognized.

Deferred Etsy Plus subscription revenues related to the enhanced features described in “Note 1—Basis of Presentation and Summary of Significant Accounting Policies —Revenue Recognition” are recognized ratably over the 30-day subscription period. Credits for Promoted Listings are recognized when used, or when the 30-day subscription period expires. Credits for listing fees are recognized over the four-month listing period when used, and any unused credits are recognized when the 30-day subscription period expires. The amount of revenue recognized in the year ended December 31, 2018 that was included in the deferred balance at the beginning of the period was $6.3 million.

Significant judgments

Judgment is required to assess the nature of the services that the Company promises to its customers and the timing of satisfaction of those promised services.

For services that are refundable, the Company accounts for the right of return as a refund liability and reduction of revenue recognized in the amount of refunds that are expected to be issued.Refunds are estimated monthly, are based on historical refund patterns, and are updated at the end of each reporting period as additional information becomes available.

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Income Taxes

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Income Taxes

Note 3—Income Taxes

The following are the domestic and foreign components of the Company’s income (loss) before income taxes (in thousands):

	Year Ended   December 31,
	2018		2017			2016
Domestic	$	36,157	$	(16,583	)	$	25,910
Foreign	18,921		48,848			(28,786		)
Income (loss) before income taxes	$	55,078	$	32,265		$	(2,876	)

The income tax (benefit) provision is comprised of the following (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Current:
Federal	$	709		$	(6,397	)	$	22,084
State	(578		)	79			2,623
Foreign	600			476			580
Total current	731			(5,842		)	25,287
Deferred:
Federal	(3,343		)	(34,948		)	2,008
State	3,496			(8,778		)	(247		)
Foreign	(23,297		)	33			(23		)
Total deferred	(23,144		)	(43,693		)	1,738
Total income tax (benefit) provision	$	(22,413	)	$	(49,535	)	$	27,025

Beginning in the first quarter of 2017, the Company adopted ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting, and subsequently recorded excess tax deductions on share-based compensation as income tax benefit in its income statement. The current tax expense listed above does not reflect income tax benefits of $3.2 million for the year ended December 31, 2016 related to excess tax deductions on share-based compensation because these benefits were recorded directly to additional paid-in capital. Please refer to “Note 1—Basis of Presentation and Summary of Significant Accounting Policies—Excess Tax Benefits from Exercise of Stock Options” for additional detail regarding the adoption of this accounting standard and its impact on the Consolidated Financial Statements.

A reconciliation of the income tax (benefit) provision at the U.S. federal statutory income tax rate of 21% in 2018 and 35% in 2017 and 2016 to the Company’s total income tax (benefit) provision is as follows (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Income tax provision (benefit) at federal statutory rate	$	11,566		$	11,308		$	(1,007	)
State and local taxes net of federal benefit	3,839			(691		)	1,545
Foreign income tax rate differential	(298		)	(11,878		)	5,849
Stock-based compensation	(11,717		)	(12,584		)	1,412
Non-deductible items	(329		)	168			267
Uncertain tax positions	382			789			4,033
Return to provision adjustment	3,293			167			(498		)
Non-deductible acquisition costs	—			—			199
Change in valuation allowance	(28,733		)	(4,673		)	4,911
Research and development credit	(4,115		)	(1,098		)	(2,170		)
Deferred charge on restructuring	—			—			12,168
U.S. tax reform	3,897			(31,063		)	—
Other	(198		)	20			316
Total income tax (benefit) provision	$	(22,413	)	$	(49,535	)	$	27,025

On December 22, 2017, the U.S. government enacted the TCJA, as described above, which includes significant changes to the taxation of business entities. These changes include, among others, (1) a permanent reduction to the corporate income tax rate, (2) a partial limitation on the deductibility of business interest expense (“163(j) Interest Limitation”), and (3) a shift of the U.S. taxation of multinational corporations from a tax on worldwide income to a quasiterritorial system (along with certain rules designed to prevent erosion of the U.S. income tax base).

Effective January 1, 2018, the Company is subject to several provisions of the TCJA including computations under GILTI and Foreign Derived Intangible Income (“FDII”). The Company does not currently meet the revenue threshold for the Base Erosion and Anti-Abuse Tax (“BEAT”). For the GILTI and FDII computations, the Company recorded tax expense using the current available regulations and technical guidance on the interpretations of the TCJA. As required by SEC Staff Accounting Bulletin 118, Income Tax Accounting Implications of the Tax Cuts and Jobs Act, we have finalized our accounting analysis based on the guidance and regulations available as of December 31, 2018. We have recorded the impacts of the TCJA in our effective tax rate and have elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI using the period cost method. The Company will continue to monitor the forthcoming regulations and additional guidance of the GILTI, FDII, and BEAT provisions under the TCJA, which are complex and subject to continuing regulatory interpretation by the IRS.

A secondary driver of the income tax provision for the year ended December 31, 2018 and December 31, 2017 was the recognition of excess tax benefits from stock-based compensation as a result of the adoption of ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting in the first quarter of 2017. As a result of this updated guidance, we recorded $12.0 million and 12.8 million of excess tax benefits, rather than additional paid-in capital, for the years ended December 31, 2018 and 2017.

The primary driver of the income tax benefit for the year ended December 31, 2017 was the impact on deferred taxes from the reduction in the U.S. federal corporate tax rate beginning in 2018. On December 22, 2017, the TCJA was signed into law, which, among other items, reduced the corporate income tax rate from 35% to 21%. As a result, our deferred taxes and certain unrecognized tax benefits at December 31, 2017 have been revalued at the reduced 21% rate. The revaluation resulted in a benefit for income taxes of approximately $31.1 million for the year ended December 31, 2017.

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax assets (liabilities) are as follows (in thousands):

	As of December 31,
	2018			2017
Deferred tax assets:
Net operating loss carryforwards	$	13,347		$	24,625
Amortization of acquired intangibles	12,109			15,631
Research and development credit carryforwards	7,567			3,597
Stock-based compensation expense	6,623			3,776
Accrued VAT liability	43			42
Alternative minimum tax credit	274			274
Allowance for doubtful accounts	545			384
Deferred rent	529			573
Accrued vacation	744			623
Unrealized loss on foreign currency	—			527
Other, net	1,301			300
Total deferred tax assets	43,082			50,352
Less valuation allowance	1,673			32,455
Total net deferred tax asset	41,409			17,897
Deferred tax liabilities:
Depreciation	(6,933		)	(6,850		)
Global corporate restructuring liability	(33,730		)	(33,783		)
Convertible debt	(7,283		)	—
Unrealized gain on foreign currency	(92		)	—
Other liabilities	(362		)	(891		)
Total deferred tax liabilities	(48,400		)	(41,524		)
Net deferred tax liabilities	$	(6,991	)	$	(23,627	)

The 2017 deferred tax balances have been revised to correct the Company’s disclosures related to the adoption of ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory. The revision increases both the deferred tax assets and valuation allowance by $21.4 million resulting in no change to the net deferred tax asset. The Company has concluded that this disclosure omission was not material to the 2017 Consolidated Financial Statements.

The Company anticipates utilizing federal and state income tax NOL carryforwards as a result of its 2018 activity. The NOL deferred tax asset balance additionally includes losses in certain foreign jurisdictions that are currently subject to a valuation allowance.

As of December 31, 2018 and 2017, the Company had $7.6 million and $3.6 million, respectively, of federal research and development tax credit carryforwards which will begin to expire in 2035 if unused.

The Company assesses the likelihood of its ability to realize the benefit of its deferred tax assets in each jurisdiction by evaluating all relevant positive and negative evidence at each reporting date. To the extent the Company determines that some or all of its deferred tax assets are not more likely than not to be realized, it establishes a valuation allowance. For the year ended December 31, 2018, in part because in the current year, the Company achieved three years of cumulative pre-tax income in certain of its foreign jurisdictions, management determined that sufficient positive evidence exists as of December 31, 2018, to conclude that is is more likely than not that deferred tax assets of $23.4 million will be utilized in those jurisdictions. Additionally, the Company determined that the existence of a three-year cumulative loss incurred in certain other foreign jurisdictions, inclusive of 2018, constituted sufficiently strong negative evidence to warrant the maintenance of a valuation allowance. As a result, a valuation allowance of $1.7 million as of December 31, 2018 has been recorded against certain of the Company’s deferred tax assets. The amount of the deferred tax assets considered realizable is $41.4 million.

The following table summarizes the valuation allowance activity for the periods indicated (in thousands). It has been revised to reflect the Company’s adoption of ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory:

	Year Ended   December 31,
	2018			2017		2016
Balance as of the beginning of period	$	32,455		$	13,839	$	9,540
Additions charged to expense	—			16,743		4,886
Deletions credited to expense	(28,733		)	—		—
Currency translation	(2,049		)	1,873		(587		)
Balance as of the end of period	$	1,673		$	32,455	$	13,839

The Company has not recorded deferred income taxes and withholding taxes with respect to undistributed earnings from its non-U.S. subsidiaries as such earnings are intended to be reinvested indefinitely. The amount of undistributed earnings of non-U.S. subsidiaries at December 31, 2018, as well as the related deferred income tax, if any, is not material.

The following table summarizes the unrecognized tax benefit activity for the periods indicated (in thousands):

	As of December 31,
	2018			2017			2016
Balance as of the beginning of period	$	17,013		$	23,574		$	22,229
Additions based on tax positions related to the current year	921			732			1,071
Additions for tax positions of prior years	946			118			274
Reductions for tax provisions of prior years	(61		)	(7,411		)	—
Balance as of the end of period	$	18,819		$	17,013		$	23,574

The amount of unrecognized tax benefits included on the Consolidated Balance Sheets as of December 31, 2018, 2017, and 2016 are $18.8 million, $17.0 million, and $23.6 million, respectively. The total amount of unrecognized tax benefits that, if recognized, would favorably affect the effective tax rate is $18.8 million at December 31, 2018.

We recognize interest and/or penalties related to uncertain tax positions in income tax expense. In 2018, $0.3 million was included in tax expense for interest and penalties. The amount of interest and penalties accrued as of December 31, 2018 and 2017 was approximately $0.5 million and $0.2 million, respectively.

In January 2015, the Company implemented an updated global corporate structure to more closely align with its global operations and future expansion plans outside of the United States. The new structure changed how the Company uses its intellectual property and implemented certain intercompany arrangements. The Company believes this may eventually result in a reduction in its overall effective tax rate and other operational efficiencies. The revised structure resulted in the setup of a deferred tax liability in the amount of $66.0 million on the taxable gain created in the transaction. Concurrently, the Company recorded an asset of $66.0 million for the deferred tax charge representing the future income tax on the gain, which would have been amortized into income tax expense through 2019. During the first quarter of 2017, the Company adopted ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory, resulting in a cumulative adjustment to retained earnings for the unamortized balance of the deferred tax charge at December 31, 2016.

The Company is subject to taxation in the United States, New York, and various other states and foreign jurisdictions. As of December 31, 2018, tax year 2014 and later remain open to examination.

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Net Income (Loss) Per Share

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Net Income (Loss) Per Share

Note 4—Net Income (Loss) Per Share

The following table presents the calculation of basic and diluted net income (loss) per share for periods presented (in thousands except share and per share amounts):

	Year Ended   December 31,
	2018			2017			2016
Numerator:
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Net income (loss) allocated to participating securities under the two-class method	(37		)	(80		)	—
Net income (loss) applicable to common stockholders—basic	77,454			81,720			(29,901		)
Dilutive effect of net income allocated to participating securities under the two-class method	37			80			—
Change in fair value of liability classified restricted stock	—			771			—
Net income (loss) applicable to common stockholders—diluted	$	77,491		$	82,571		$	(29,901	)
Denominator:
Weighted average common shares outstanding—basic (1)	120,146,076			118,538,687			113,562,738
Dilutive effect of assumed conversion of options to purchase common stock	4,238,622			2,498,448			—
Dilutive effect of assumed conversion of restricted stock units	1,721,658			1,177,799			—
Dilutive effect of assumed conversion of convertible debt	900,580			—			—
Diluted effective of assumed conversion of restricted stock from acquisition	77,849			52,739			—
Weighted average common shares outstanding—diluted	127,084,785			122,267,673			113,562,738
Net income (loss) per share applicable to common stockholders—basic	$	0.64		$	0.69		$	(0.26	)
Net income (loss) per share applicable to common stockholders—diluted	$	0.61		$	0.68		$	(0.26	)

(1) 57,482 shares of unvested stock are considered participating securities and are excluded from basic shares outstanding for the year ended December 31, 2018.

The following potential common shares were excluded from the calculation of diluted net income (loss) per share attributable to common stockholders because their effect would have been anti-dilutive for the periods presented:

	Year Ended   December 31,
	2018	2017	2016
Stock options	475,238	4,902,664	10,041,403
Restricted stock units	136,998	435,358	2,043,544
Warrants	—	—	33,447
Total anti-dilutive securities	612,236	5,338,022	12,118,394

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Business Combinations

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Business Combinations

Note 5—Business Combinations

On September 19, 2016, the Company acquired all of the outstanding common stock of Blackbird Technologies Inc (“Blackbird”), a machine learning company, for $32.5 million. The Company completed this acquisition to improve the quality and relevance of search on Etsy.com. Total consideration for the acquisition was approximately $15.0 million, consisting of $8.1 million in cash and 513,304 shares of the Company’s common stock with a fair value of $6.9 million on the acquisition date. Additionally, the Company issued 184,230 shares of restricted stock and restricted stock units (“RSUs”) on the acquisition date with a fair value of $2.5 million which are tied to continuous service with the Company as an employee and are being accounted for as post-combination stock-based compensation expense over up to a three-year vesting period. The Company agreed to pay up to an additional $8.8 million in cash and issue an aggregate of up to 460,575 shares of RSUs post-close with a fair value of $6.2 million, both of which are also tied to continuous service with the Company as an employee and are being accounted for as post-combination stock-based and other compensation expense over up to a three-year vesting period. A portion of the consideration and post-combination compensation is subject to indemnification provisions.

The below table summarizes the components of the Blackbird purchase price and allocation of the purchase price at fair value (in thousands):

Cash paid	$	8,050
Common shares	6,966
Total purchase consideration	$	15,016
Net working capital	$	81
Developed technology	7,200
Customer relationships	1,250
Goodwill	8,660
Deferred tax liability	(2,175		)
Net assets acquired	$	15,016

Included in working capital is approximately $0.2 million of cash acquired.

The amounts allocated to developed technology and customer relationships (the acquired intangible assets) total $8.5 million. The acquired identifiable intangible assets are being amortized on a straight-line basis approximating the pattern in which the assets are utilized. Acquired technology intangible assets will amortize over three years and acquired customer relationships were amortized over six months from the acquisition date. The fair value assigned to developed technology was determined primarily by using the cost approach, which estimates the cost to reproduce the asset, adjusted for loss due to functional and economic obsolescence. The fair value of the Company’s customer relationships was determined primarily by using the income approach, which discounts expected future cash flows to present value using estimates and assumptions determined by management. Goodwill recorded in connection with the Blackbird acquisition is primarily attributed to the value of the acquired workforce and their future contribution to Etsy. None of the resulting goodwill is deductible for tax purposes.

The Company incurred approximately $0.6 million in acquisition-related costs in the Blackbird acquisition in the year ended December 31, 2016, included in general and administrative expenses. This acquisition contributed $2.4 million to the Company’s consolidated net loss in the year ended December 31, 2016.

The following unaudited pro forma financial information presents the combined operating results of the Company and Blackbird as if the acquisition had occurred on January 1, 2015. The unaudited pro forma financial information includes the accounting effects of the business combination, including adjustments to the amortization of intangible assets, stock-based and other compensation expenses, and professional fees associated with the acquisition. The unaudited pro forma information does not necessarily reflect the actual results that would have been achieved, nor is it necessarily indicative of our future consolidated results.

The unaudited pro forma financial information is presented in the table below for the year ended December 31, 2016 (in thousands except per share amounts):

	Year Ended December 31,
	2016
Revenue	$	365,786
Net loss	(35,401		)
Basic and diluted net loss per share	(0.31		)

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Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Note 6—Goodwill and Intangible Assets

The following table summarizes the changes in the carrying amount of goodwill for the periods indicated (in thousands):

	Year Ended   December 31,
	2018			2017
Balance as of the beginning of the period	$	38,541		$	35,657
Foreign currency translation adjustments	(1,059		)	2,884
Balance as of the end of the period	$	37,482		$	38,541

The Company did not recognize any goodwill impairments during the years ended December 31, 2018, 2017, and 2016.

At December 31, 2018 and 2017, the gross book value and accumulated amortization of intangible assets were as follows (in thousands):

	As of December 31, 2018							As of December 31, 2017
	Gross book value		Accumulated amortization			Net book value		Gross book value		Accumulated amortization			Net book value
Technology	$	7,200	$	(5,500	)	$	1,700	$	7,200	$	(3,100	)	$	4,100
Referral agreement	34,595		(1,874		)	32,721		—		—			—
Patent licenses	172		(4		)	168		—		—			—
Intangible assets, net	$	41,967	$	(7,378	)	$	34,589	$	7,200	$	(3,100	)	$	4,100

On June 15, 2018, the Company entered into a referral agreement with DaWanda GmbH (“DaWanda”), a privately held Germany-based marketplace for gifts and handmade items. As part of this agreement, DaWanda agreed to encourage its community of buyers and sellers to migrate to the Etsy platform. DaWanda wound down its operations and shut down its site on August 30, 2018. Etsy did not acquire any of DaWanda’s assets, liabilities, or employees as part of this agreement. The Company accounted for the agreement as an asset acquisition and the referral agreement intangible asset will be amortized on a straight-line basis over a period of 10 years.

The Company acquired intangible assets valued at $8.5 million in the Blackbird acquisition on September 19, 2016.

Amortization expense for the years ended December 31, 2018, 2017, and 2016 was $4.3 million, $3.4 million, and $3.3 million, respectively.

The Company did not recognize any intangible asset impairment losses in the years ended December 31, 2018 and 2017. The Company recognized a $0.6 million intangible asset impairment loss during the year ended December 31, 2016, included in asset impairment charges. During the fourth quarter of 2016, the Company determined that there were indicators present that the carrying amount of intangible assets acquired in the ALM and Jarvis Labs, Inc. (“Grand St.”) acquisitions may not be recoverable. The Company prepared an undiscounted cash flow analysis and determined that intangible assets for customer relationships and trademarks acquired in the ALM and Grand St. acquisitions were not recoverable. The Company used the income approach to determine the fair value of intangible assets and concluded that these assets were fully impaired.

Based on amounts recorded at December 31, 2018, the Company estimates intangible asset amortization expense in each of the years ending December 31 as follows (in thousands):

2019	$	5,178
2020	3,477
2021	3,477
2022	3,477
2023	3,477
Thereafter	15,503
Total amortization expense	$	34,589

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Segment and Geographic Information

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Segment and Geographic Information

Note 7—Segment and Geographic Information

The Company has determined it operates as one operating and reportable segment for purposes of allocating resources and evaluating financial performance.

Revenue by country is based on the billing address of the seller. The following table summarizes revenue, income (loss) before income taxes and net income (loss) by geographic area (in thousands):

	Year Ended   December 31,
	2018		2017			2016
United States	$	425,841	$	317,755		$	276,537
International	177,852		123,476			88,430
Revenue	$	603,693	$	441,231		$	364,967
United States (1)	$	10,778	$	(43,014	)	$	9,123
International (2)	44,300		75,279			(11,999		)
Income (loss) before income taxes	$	55,078	$	32,265		$	(2,876	)
United States (3)	$	10,493	$	7,029		$	(17,345	)
International (2)	66,998		74,771			(12,556		)
Net income (loss)	$	77,491	$	81,800		$	(29,901	)

(1) The United States loss before income taxes in the year ended December 31, 2017 was primarily driven by a foreign exchange loss, interest associated with the build-to-suit lease accounting related to our corporate headquarters, restructuring and other exit costs, and asset impairment charges. See “Note 17—Restructuring and Other Exit Costs (Income)” and “Note 6—Goodwill and Intangible Assets” for additional information on restructuring and other exit costs and asset impairment charges.

(2) The international loss before income taxes and net loss in the year ended December 31, 2016 was primarily driven by a foreign exchange loss related to the U.S. Dollar to Euro exchange rate fluctuations on the Company's intercompany and other non-functional currency balances.

(3) The United States net loss in the year ended December 31, 2016 was primarily driven by an income tax provision recorded in the period, mainly attributable to tax expense related to the updated corporate structure. See “Note 3—Income Taxes” for additional information.

No individual international country’s revenue exceeded 10% of total revenue. All significant long-lived assets are located in the United States.

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Fair Value Measurements

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

Note 8—Fair Value Measurements

The Company has characterized its investments in marketable securities, based on the priority of the inputs used to value the investments, into a three-level fair value hierarchy. The fair value hierarchy gives the highest priority to quoted prices in active markets for identical assets or liabilities (Level 1), and lowest priority to unobservable inputs (Level 3). If the inputs used to measure the investments fall within different levels of the hierarchy, the categorization is based on the lowest level input that is significant to the fair value measurement of the investment. Investments recorded in the accompanying Consolidated Balance Sheet are categorized based on the inputs to valuation techniques as follows:

Level 1—These are investments where values are based on unadjusted quoted prices for identical assets in an active market that the Company has the ability to access.

Level 2—These are investments where values are based on quoted market prices in markets that are not active or model derived valuations in which all significant inputs are observable in active markets.

Level 3—These are liabilities where values are derived from techniques in which one or more significant inputs are unobservable.

The following are the major categories of assets and liabilities measured at fair value on a recurring basis as of the dates indicated (in thousands):

	As of December 31, 2018
	Level 1		Level 2		Level 3		Total
Asset
Cash equivalents:
Commercial paper	$	—	$	7,775	$	—	$	7,775
Money market funds	244,856		—		—		244,856
	244,856		7,775		—		252,631
Short-term investments:
Commercial paper	—		147,860		—		147,860
Corporate bonds	—		46,801		—		46,801
U.S. Government and agency securities	62,641		—		—		62,641
	62,641		194,661		—		257,302
Funds receivable and seller accounts:
Money market funds	9,229		—		—		9,229
	9,229		—		—		9,229
	$	316,726	$	202,436	$	—	$	519,162

	As of December 31, 2017
	Level 1		Level 2		Level 3		Total
Asset
Cash equivalents:
Commercial paper	$	—	$	11,290	$	—	$	11,290
Money market funds	204,867		—		—		204,867
U.S. Government and agency securities	24,989		—		—		24,989
	229,856		11,290		—		241,146
Short-term investments:
Commercial paper	—		2,998		—		2,998
Corporate bonds	—		12,748		—		12,748
U.S. Government and agency securities	9,362		—		—		9,362
	9,362		15,746		—		25,108
Funds receivable and seller accounts:
Money market funds	14,144		—		—		14,144
	14,144		—		—		14,144
	$	253,362	$	27,036	$	—	$	280,398

Level 1 instruments include investments in debt securities including money market funds and U.S. Government and agency securities, which are valued based on inputs including quotes from broker-dealers or recently executed transactions in the same or similar securities.

Level 2 instruments include investments in debt securities, including fixed-income funds consisting of investments in commercial paper and corporate bonds, which are valued based on quoted market prices in markets that are not active or model derived valuations in which all significant inputs are observable in active markets.

Level 3 instruments historically included post-combination compensation classified as a liability in connection with the acquisition of ALM. The post-combination compensation was classified as a liability due to its affiliation with a related put option, which expired upon vesting of the underlying consideration in the second quarter of 2017, and its fair value was previously determined based on the fair value of the Company’s common stock at the period-end reporting date, with adjustments included in general and administrative expenses.

See “Note 9—Marketable Securities” for additional information on the Company’s marketable securities measured at fair value.

Disclosure of Fair Values

Our financial instruments that are not remeasured at fair value include the Notes (see “Note 13—Debt”). The Company estimates the fair value of the Notes through consideration of quoted market prices of similar instruments, classified as Level 2 as described above. The estimated fair value of the Notes was $279.1 million as of December 31, 2018.

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Marketable Securities

12 Months Ended

Dec. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

Note 9—Marketable Securities

Short-term investments and certain cash equivalents consist of investments in debt securities that are available-for-sale. The cost and fair value of available-for-sale securities were as follows as of the dates indicated (in thousands):

	Cost		Gross Unrealized Holding Loss			Gross Unrealized Holding Gain		Fair Value
December 31, 2018
Cash equivalents:
Commercial paper	$	7,775	$	—		$	—	$	7,775
	7,775		—			—		7,775
Short-term investments:
Commercial paper	147,860		—			—		147,860
Corporate bonds	46,836		(35		)	—		46,801
U.S. Government and agency securities	62,638		(9		)	12		62,641
	257,334		(44		)	12		257,302
	$	265,109	$	(44	)	$	12	$	265,077
December 31, 2017
Cash equivalents:
Commercial paper	$	11,290	$	—		$	—	$	11,290
U.S. Government and agency securities	24,990		(1		)	—		24,989
	36,280		(1		)	—		36,279
Short-term investments:
Commercial paper	2,998		—			—		2,998
Corporate bonds	12,754		(6		)	—		12,748
U.S. Government and agency securities	9,352		(1		)	11		9,362
	25,104		(7		)	11		25,108
	$	61,384	$	(8	)	$	11	$	61,387

The Company’s investments in marketable securities consist primarily of investments debt securities, including fixed-income funds and U.S. Government and agency securities. When evaluating investments for other-than-temporary impairment, the Company reviews factors such as length of time and extent to which fair value has been below cost basis, the financial condition of the issuer and the Company’s ability, and intent to hold the investment for a period of time, which may be sufficient for anticipated recovery in market value. The Company evaluates fair values for each individual security in the investment portfolio.

See “Note 8—Fair Value Measurements” for additional information on the Company’s marketable securities measured at fair value.

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Warrants

12 Months Ended

Dec. 31, 2018

Temporary Equity Disclosure [Abstract]

Warrants

Note 10—Warrants

As of December 31, 2018, 2017, and 2016, the Company did not have any outstanding warrants.

In May 2016, the Company issued 80,011 shares of common stock upon the net exercise of warrants to purchase 97,931 shares of common stock with a weighted-average exercise price of $1.62 per share and a weighted-average fair market value of common stock at the date of exercise of $8.88. The warrant holders exercised this warrant in a cashless transaction and 17,920 shares were forfeited to the Company as payment of the exercise price.

The Company did not record any unrealized gains or losses from the remeasurement of the warrants to fair value in the years ended December 31, 2018, 2017, and 2016.

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Property and Equipment

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment

Note 11—Property and Equipment

Property and equipment consisted of the following as of the dates indicated (in thousands):

		As of December 31,
	Estimated useful lives	2018		2017
Computer equipment	3 years	$	36,670	$	35,587
Furniture and equipment	2 - 4 years	6,574		6,194
Software	1 - 3 years	—		908
Leasehold improvements	Shorter of life of asset or lease term	10,731		10,929
Construction in progress	Not applicable	551		—
Building	25 years	81,892		81,892
Website development and internal-use software	Shorter of life of asset or contract term	69,201		48,333
		205,619		183,843
Less: Accumulated depreciation and amortization		85,440		66,226
		$	120,179	$	117,617

Depreciation and amortization expense on property and equipment was $22.4 million, $23.8 million, and $19.2 million for the years ended December 31, 2018, 2017, and 2016, respectively, which includes amortization expense for equipment acquired under capital leases of $5.9 million, $7.7 million, and $6.3 million for the years ended December 31, 2018, 2017, and 2016, respectively. The gross balance of leased equipment as of December 31, 2018 and 2017 was $29.7 million and $27.7 million, respectively. The related accumulated amortization of equipment under capital leases was $24.4 million and $18.6 million at December 31, 2018 and 2017, respectively.

The following table summarizes capitalized website development and internal-use software activities during the periods indicated (in thousands):

	Year Ended   December 31,
	2018		2017
Balance as of the beginning of the period	$	48,333	$	43,294
Additions to website development, excluding stock-based compensation	19,816		10,028
Additions to website development—stock-based compensation	2,252		807
Less: Retirements	1,200		625
Less: Impairments	—		5,171
	69,201		48,333
Less:
Accumulated amortization balance as of the beginning of the period	29,991		24,155
Amortization Expense	9,519		8,209
Less: Retirements	1,092		364
Less: Impairments	—		2,009
Accumulated amortization balance as of the end of the period	38,418		29,991
	$	30,783	$	18,342

For the years ended December 31, 2018, 2017, and 2016, the Company recorded amortization expense relating to capitalized website development and internal-use software of $9.5 million, $8.2 million, and $6.3 million, respectively. The loss on write-off for capitalized website development and internal-use software assets that were retired during the years ended December 31, 2018, 2017, and 2016 was $0.1 million, $0.3 million, and $0.9 million, respectively.

The Company recognized a $3.2 million impairment loss related to capitalized website development and internal-use software during the year ended December 31, 2017, included in asset impairment charges. During the fourth quarter of 2017, the Company made the decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing, which was an indicator that the carrying amount of certain capitalized website development and internal-use software assets may not be recoverable. The Company prepared an undiscounted cash flow analysis and determined that the values for these assets exceeded the expected future cash flows and impaired the remaining book values based on a negative present value of projected undiscounted cash flows.

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Accrued Expenses

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Accrued Expenses

Note 12—Accrued Expenses

Accrued expenses consisted of the following as of the dates indicated (in thousands):

	As of December 31,
	2018		2017
Vendor accruals	$	17,817	$	14,576
Accrued bonus	12,906		4,364
Sales and use tax payable	12,232		3,682
Accrued vacation	3,787		3,136
Payroll-related liabilities	2,406		2,920
Other	10		65
Total accrued expenses	$	49,158	$	28,743

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Debt

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Debt

Note 13—Debt

Convertible Debt

In March 2018, the Company issued $345.0 million aggregate principal amount of 0% Convertible Senior Notes due 2023 (the “Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”). The net proceeds from the sale of the Notes were $335.0 million after deducting the initial purchasers’ discount and offering expenses.

The Notes are convertible based upon an initial conversion rate of 27.5691 shares of the Company’s common stock per $1,000 principal amount of Notes (equivalent to an initial conversion price of approximately $36.27 per share). The conversion rate will be subject to adjustment upon the occurrence of certain specified events, including certain distributions and dividends to all or substantially all of the holders of the Company’s common stock. The Company will settle any conversions of the Notes in cash, shares of the Company’s common stock, or a combination thereof, with the form of consideration determined at the Company’s election.

The Notes will mature on March 1, 2023, unless earlier converted or repurchased. Prior to the close of business on the business day immediately preceding November 1, 2022, holders may convert all or a portion of their Notes only under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2018 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the 5 business day period after any 10 consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate on each such trading day; (3) with respect to any or all of the Notes called for redemption by the Company prior to the close of business on the business day immediately preceding November 1, 2022, holders may convert all or any portion of their Notes at any time prior to the close of business on the second scheduled trading day prior to the redemption date, even if the Notes are not otherwise convertible at such time; (4) upon the occurrence of specified corporate events. On and after November 1, 2022 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert their Notes at any time, regardless of the foregoing circumstances.

If a fundamental change occurs prior to the maturity date, holders may require the Company to repurchase all or a portion of their Notes for cash at a price equal to 100% of the principal amount of the Notes to be repurchased. Holders of Notes who convert their Notes in connection with a notice of a redemption or a make-whole fundamental change may be entitled to a premium in the form of an increase in the conversion rate of the Notes. During the fourth quarter of 2018, the closing price of the Company’s common stock exceeded 130% of the applicable conversion price of the Notes on at least 20 of the last 30 consecutive trading days of the quarter; therefore, holders of the Notes may convert their Notes during the first quarter of 2019. As of December 31, 2018, the Company had not received any conversion notices, and, as such, the Notes are not currently redeemable for cash and are therefore classified as long-term debt. As of December 31, 2018, the if-converted value of the Notes was approximately $107.5 million higher than the aggregate principal amount, or $452.5 million, offset in entirety by the capped call transactions described below.

The Notes are general unsecured obligations of the Company. The Notes rank senior in right of payment to all of the Company’s future indebtedness that is expressly subordinated in right of payment to the Notes; rank equal in right of payment with all of our liabilities that are not so subordinated; are effectively junior to any of the Company’s secured indebtedness; and are structurally junior to all indebtedness and liabilities (including trade payables) of the Company’s subsidiaries.

In accounting for the issuance of the Notes, the Company separated the Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar liability that does not have an associated convertible feature. The carrying amount of the equity component, representing the conversion option, which does not meet the criteria for separate accounting as a derivative as it is indexed to the Company’s own stock, was determined by deducting the fair value of the liability component from the par value of the Notes. The difference between the principal amount of the Notes and the liability component represents the debt discount, which is recorded as a direct deduction from the related debt liability in the Consolidated Balance Sheet and accreted over the period from the date of issuance to the contractual maturity date, resulting in the recognition of non-cash interest expense. The equity component of the Notes of approximately $72.8 million is included in additional paid-in capital in the Consolidated Balance Sheet and is not remeasured as long as it continues to meet the conditions for equity classification. Transaction costs were allocated to the liability and equity components in the same proportion as the allocation of the proceeds. Transaction costs attributable to the liability component were recorded as a direct deduction from the related debt liability in the Consolidated Balance Sheet and are amortized to interest expense using the effective interest method over the term of the Notes, and transaction costs attributable to the equity component were netted with the equity component in stockholders’ equity.

Non-cash interest expense related to the Notes for the year ended December 31, 2018 was $12.2 million. Total unamortized debt issuance costs were $6.7 million as of December 31, 2018.

The estimated fair value of the Notes was $279.1 million as of December 31, 2018. The estimated fair value of the Notes was determined through consideration of quoted market prices for similar instruments. The fair value is classified as Level 2, as defined in “Note 8—Fair Value Measurements.”

Capped Call Transactions

The Company used $34.2 million of the net proceeds from the Notes offering to enter into separate capped call transactions (“Capped Call Transactions”) with the initial purchasers and/or their respective affiliates. The Capped Call Transactions are expected generally to reduce the potential dilution and/or offset the cash payments the Company is required to make in excess of the principal amount of the Notes upon conversion of the Notes in the event that the market price per share of the Company’s common stock is greater than the strike price of the Capped Call Transactions with such reduction and/or offset subject to a cap. The Capped Call Transactions have an initial cap price of $52.76 per share of the Company’s common stock, which represents a premium of 100% over the last reported sale price of the Company’s common stock on March 8, 2018, and is subject to certain adjustments under the terms of the Capped Call Transactions. Collectively, the Capped Call Transactions cover, initially, the number of shares of the Company’s common stock underlying the Notes, subject to anti-dilution adjustments substantially similar to those applicable to the Notes.

The Capped Call Transactions do not meet the criteria for separate accounting as a derivative as they are indexed to the Company’s stock. The premiums paid for the Capped Call Transactions have been included as a net reduction to additional paid-in capital within stockholders’ equity.

Credit Agreement

The Company terminated the senior secured revolving credit facility pursuant to a Revolving Credit and Guaranty Agreement with several lenders (the “2014 Credit Agreement”) effective as of November 21, 2017. As of the date of termination, there were no borrowings outstanding under the 2014 Credit Agreement and we incurred no additional fees as a result of early termination. In May 2014, the Company entered into a $35.0 million Credit Agreement. In March 2015, the Company amended the 2014 Credit Agreement to increase the credit facility to $50.0 million. In December 2015, the Company amended the 2014 Credit Agreement to clarify certain provisions relating to permitted investments and to make other immaterial updates. The amended 2014 Credit Agreement included a letter of credit sublimit of $10.0 million and a swingline loan sublimit of $15.0 million. The 2014 Credit Agreement, as amended, would have expired in May 2019.

Subsequent Event

On February 25, 2019, the Company entered into a $200.0 million senior secured revolving credit facility pursuant to a Credit Agreement (the “2019 Credit Agreement”) with lenders party thereto from time to time, and Citibank N.A., as administrative Agent. The 2019 Credit Agreement will mature in February 2024. The 2019 Credit Agreement includes a letter of credit sublimit of $30.0 million and a swingline loan sublimit of $10.0 million.

Borrowings under the 2019 Credit Agreement (other than swingline loans) bear interest, at the Company’s option, at (i) a base rate equal to the highest of (a) the prime rate, (b) the federal funds rate plus 0.50%, and (c) an adjusted LIBOR rate for a one-month interest period plus 1.00%, in each case plus a margin ranging from 0.25% to 0.875% or (ii) an adjusted LIBOR rate plus a margin ranging from 1.25% to 1.875%. Swingline loans under the 2019 Credit Agreement bear interest at the same base rate (plus the margin applicable to borrowings bearing interest at the base rate). These margins are determined based on the senior secured net leverage ratio (defined as secured funded debt, net of unrestricted cash up to $100 million, to EBITDA) for the preceding four fiscal quarter period. The Company is also obligated to pay other customary fees for a credit facility of this size and type, including an unused commitment fee, ranging from 0.20% to 0.35% depending on the Company’s senior secured net leverage ratio, and fees associated with letters of credit. The 2019 Credit Agreement also permits the Company, in certain circumstances, to request an increase in the facility by an amount of up to $100.0 million at the same maturity, pricing and other terms and to request an extension of the maturity date for the facility. In connection with the 2019 Credit Agreement, the Company also paid the lenders certain upfront fees.

The 2019 Credit Agreement contains customary representations and warranties applicable to the Company and its subsidiaries and customary affirmative and negative covenants applicable to the Company and its restricted subsidiaries. The negative covenants include restrictions on, among other things, indebtedness, liens, certain fundamental changes (including mergers), investments, dispositions, restricted payments (including dividends and stock repurchases), prepayments of junior debt, and transactions with affiliates. These restrictions do not prohibit a subsidiary of the Company from making pro rata payments to the Company or any other person that owns an equity interest in such subsidiary. The 2019 Credit Agreement contains financial covenants, that require the Company and its subsidiaries to maintain (i) a secured net leverage ratio not to exceed 3.00 to 1.00, subject to an increase, at the option of the Company, to 3.50 to 1.00 for a specified period of time in the event of certain material acquisitions, tested as of the last day of each fiscal quarter and (ii) an interest coverage ratio (defined as the ratio of EBITDA to cash interest expense) of not less than 2.50 to 1.00, tested for each fiscal quarter.

The 2019 Credit Agreement includes customary events of default, including, but not limited to, nonpayment of principal or interest, breaches of representations and warranties, failure to perform or observe covenants, cross-defaults with certain other indebtedness, final judgments or orders, certain change of control events, and certain bankruptcy-related events or proceedings. Upon the occurrence of an event of default (subject to notice and grace periods), obligations under the 2019 Credit Agreement could be accelerated.

Subject to certain exceptions, to the extent the Company has any material domestic subsidiaries, the obligations under the 2019 Credit Agreement would be required to be guaranteed by such material domestic subsidiaries. The obligations under the 2019 Credit Agreement are secured by all or substantially all of the assets of the Company and any such subsidiary guarantors.

At February 28, 2018, the Company did not have any borrowings under the 2019 Credit Agreement.

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 14—Commitments and Contingencies

Lease Commitments

Capital Leases

The Company entered into a credit agreement with Dell Financial Services, LLC. (“DFS”) on February 17, 2016, which provided the Company with a credit line of up to $6.0 million for hosting equipment leases (the “DFS Line”), which was increased to $9.0 million during 2017. This credit line expired in December 2018. The DFS Line allowed the Company to lease hosting equipment from DFS. The leases have a 36-month term, zero interest and are payable in equal monthly installments with a buy-out option of $1 at the end of the lease term. As of December 31, 2018, the Company has lease obligations of approximately $2.9 million related to leased hosting equipment using the previously active DFS Line.

The Company entered into a credit agreement with ePlus Group, Inc. (“ePlus”) on January 3, 2014, which provided the Company with a credit line of up to $8.0 million for computer equipment leases (the “ePlus Line”), which was increased to $18.0 million during 2015. The ePlus Line allows the Company to order equipment from any approved vendor. ePlus purchases the equipment on behalf of the Company and leases it back to the Company. The leases have a 36-month term, interest rate of 3.71-6.93% and are payable in equal monthly installments with a fair market value or a $1 buy-out option at the end of the lease term depending on the equipment. As of December 31, 2018, the Company has lease obligations of approximately $3.1 million related to leased computer equipment using the ePlus Line.

For the years ended December 31, 2018, 2017, and 2016, the accompanying Consolidated Statement of Operations includes charges of approximately $1.0 million, $1.6 million, and $1.6 million for interest expense, respectively, related to the equipment leased using the DFS and ePlus Lines.

Operating Leases

The Company did not enter into any material operating leases or extensions in 2018, 2017, or 2016. Rent expense for the Company’s operating leases is recognized over the term of each respective lease on a straight-line basis. In addition, the Company leases other office facilities under shorter terms and cancelable leases.

Total rent expense for the years ended December 31, 2018, 2017, and 2016 was $3.8 million, $4.1 million, and $6.0 million, respectively.

Build-to-Suit Lease

In May 2014, the Company entered into a 10-year lease agreement for approximately 199,000 rentable square feet of office space in Brooklyn, New York for the Company’s headquarters, which commenced in 2015. Of the total office space, approximately 172,000 rentable square feet is being accounted for as a build-to-suit lease and approximately 27,000 rentable square feet located in an adjacent building is being accounted for as an operating lease. In connection with the lease agreement, the Company established a $5.3 million collateral account, reflected in the restricted cash balance on the Consolidated Balance Sheet.

Purchase Obligations

The Company has $61.1 million of non-cancelable contractual commitments as of December 31, 2018, primarily related to the initiative to migrate its data centers to the cloud, as well as other support services. These commitments are primarily due within four years.

The following table represents the Company’s commitments under its current capital, operating and build-to-suit lease agreements and purchase obligations as of December 31, 2018 (in thousands):

	Capital Lease Obligations		Operating Leases		Build-to-Suit Lease		Purchase Obligations
Periods ending
2019	$	4,392	$	4,904	$	9,451	$	10,696
2020	1,754		4,783		9,522		17,374
2021	481		4,185		10,354		16,000
2022	—		4,180		10,520		17,000
2023	—		4,205		10,599		—
Thereafter	—		9,760		27,715		—
Total minimum payments required	$	6,627	$	32,017	$	78,161	$	61,070
Amounts representing interest	648
Present value of net minimum payments	5,979
Current maturities	3,884
Long-term payment obligations	$	2,095

Long-Term Debt

In March 2018, the Company issued $345.0 million aggregate principal amount of 0% Convertible Senior Notes due 2023 (the “Notes”) in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. The Notes will mature on March 1, 2023, unless earlier converted or repurchased, and there are no contractual payments required until maturity. For more information on the Notes, see “Note 13—Debt.”

Non-Income Tax Contingencies

The Company had reserves of $0.9 million and $0.4 million at December 31, 2018 and 2017, respectively, for certain non-income tax obligations, representing management’s best estimate of its potential liability. The Company could also be subject to examination in various jurisdictions related to income tax and non-income tax matters. The resolution of these types of matters, if in excess of the recorded reserve, could have an adverse impact on the Company’s business.

Legal Proceedings

Cervantes and Weiss Cases

On July 21, 2015, a purported securities class action complaint (Cervantes v. Dickerson, et.al., Case No. CIV 534768) was filed in the Superior Court of State of California, County of San Mateo against the Company, certain officers, directors, and underwriters. The complaint asserted violations of Sections 11 and 15 of the Securities Act. The complaint alleged misrepresentations in the Company’s Registration Statement on Form S-1 and Prospectus with respect to, among other things, merchandise for sale on the Company’s website that may be counterfeit or constitute trademark or copyright infringement. The complaint sought certification as a class action and unspecified compensatory damages plus interest and attorneys’ fees. On December 7, 2015, the Company and the underwriter defendants moved to stay the Cervantes action on the grounds of forum non conveniens.

On November 5, 2015, another purported securities class action complaint (Weiss v. Etsy et al., No. CIV 536123) was filed in the Superior Court of State of California, County of San Mateo. The Weiss complaint named as defendants the Company and the same officers, directors, and underwriters named in the Cervantes complaint, and also asserts violations of Sections 11 and 15 of the Securities Act based on allegedly false or misleading statements or omissions with respect to, among other things, merchandise for sale on the Company’s website that may be counterfeit or constitute trademark or copyright infringement. On December 24, 2015, the court consolidated the Cervantes and Weiss actions. On February 3, 2016, the court granted the Company’s motion to stay the consolidated actions.  On September 19, 2018, the court granted plaintiffs’ request to dismiss the consolidated Cervantes and Weiss actions with prejudice.

In addition, from time to time in the normal course of business, various other claims and litigation have been asserted or commenced against the Company. Due to uncertainties inherent in litigation and other claims, the Company can give no assurance that it will prevail in any such matters, which could subject the Company to significant liability for damages. Any claims or litigation, regardless of their success, could have an adverse effect on the Company’s Consolidated Results of Operations or Cash Flows in the period the claims or litigation are resolved. Although the results of litigation and claims cannot be predicted with certainty, we currently believe that the final outcome of these ordinary course matters will not have a material adverse effect on our business.

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Stockholders' Equity

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Stockholders' Equity

Note 15—Stockholders’ Equity

At December 31, 2018 and 2017, the authorized capital stock of the Company included 1,400,000,000 shares of common stock. At December 31, 2018 and 2017 there were 25,000,000 shares of preferred stock authorized.

Common Stock

At December 31, 2018 and 2017 there were 119,771,702 and 121,769,238 shares of common stock issued and outstanding, respectively. Holders of common stock are entitled to one vote per share. Holders of common stock are not entitled to receive dividends unless declared by the Board of Directors. No dividends have been declared through December 31, 2018. The common stock has a $0.001 par value.

Convertible Preferred Stock

Upon the closing of the IPO on April 21, 2015, all outstanding shares of convertible preferred stock were converted into 53,448,243 shares of common stock. As of December 31, 2018, 2017, and 2016, there was no convertible preferred stock outstanding.

Common Stock Issuances

In the year ended December 31, 2016, the Company issued a total of 685,749 shares of common stock in connection with the acquisition of Blackbird, of which 513,304 shares with an aggregate fair value of $6.9 million on the applicable acquisition date is included in the purchase price and 172,445 shares with an aggregate fair value of $2.3 million on the applicable acquisition date is tied to continued employment with the Company and is being accounted for as post-combination compensation expense. 

Share Repurchase Program

On November 1, 2018, the Board of Directors approved a stock repurchase program that enables the Company to repurchase up to $200 million of its common stock. The program does not have a time limit and may be modified, suspended, or terminated at any time by the Board of Directors. The number of shares repurchased and the timing of repurchases will depend on a number of factors, including, but not limited to, stock price, trading volume and general market conditions, along with Etsy’s working capital requirements, general business conditions and other factors.

In November 2017, the Board of Directors approved a stock repurchase program that enabled the Company to repurchase up to $100 million of its common stock. The program was completed in the second quarter of 2018.

Under the stock repurchase program, the Company may purchase shares of its common stock through various means, including open market transactions, privately negotiated transactions, tender offers or any combination thereof. In addition, open market repurchases of common stock may be made pursuant to trading plans established pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, which would permit common stock to be repurchased at a time that the Company might otherwise be precluded from doing so under insider trading laws or self-imposed trading restrictions.

The following table summarizes the Company’s share repurchase activity, excluding shares withheld to satisfy tax withholding obligations in connection with the vesting of employee restricted stock units (in thousands except share and per share amounts):

	Shares Repurchased	Average Price Paid per Share (1)		Value of Shares Repurchased		Remaining Amount Authorized
New Authorization on November 17, 2017 of $100 million	—	$	—	$	—	$	100,000
Repurchases of common stock for the three months ended:
December 31, 2017	586,231	17.57		10,301		(10,301		)
Balance as of December 31, 2017	586,231	$	17.57	$	10,301	$	89,699
Repurchases of common stock for the three months ended:
March 31, 2018	2,807,393	24.43		68,586		(68,586		)
June 30, 2018	722,941	29.15		21,113		(21,113		)
September 30, 2018	—	—		—		—
New Authorization on November 1, 2018 of $200 million	—	—		—		200,000
Repurchases of common stock for the three months ended:
December 31, 2018	916,083	49.11		45,000		(45,000		)
Balance as of December 31, 2018	5,032,648	$	28.80	$	145,000	$	155,000

(1) Average price paid per share excludes broker commissions.

All repurchases were made using cash resources.

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Stock-based Compensation

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-based Compensation

Note 16—Stock-based Compensation

The Company’s 2015 Equity Incentive Plan (the “2015 Plan”) was adopted by its Board of Directors and approved by stockholders in March 2015. The 2015 Plan became effective immediately upon adoption although no awards were made under it until the effective date of the IPO. The 2015 Plan replaced the 2006 Stock Plan, and no further grants were made under the 2006 Stock Plan as of the effective date of the IPO.

Under the 2006 Stock Plan, incentive and nonqualified stock options or rights to purchase common stock were granted to eligible participants. Options were generally granted for a term of 10 years and generally vested 25% after the first year of service and ratably each month over the remaining 36-month period contingent on continued employment with the Company on each vesting date.

The 2015 Plan provides for the grant of incentive stock options, non-statutory stock options, stock appreciation rights, restricted stock, restricted stock units (“RSUs”), and performance cash awards to employees, directors, and consultants. Beginning in 2016, the number of shares available for issuance under the 2015 Plan may be increased annually by an amount equal to the lesser of 7,050,000 shares of common stock, 5% of the outstanding shares of common stock as of the last day of the immediately preceding fiscal year, or such other amount as determined by the Company’s Board of Directors. The Board of Directors approved an increase of 2,395,434, 6,088,461, and 5,798,651 shares available for issuance under the 2015 Plan as of January 2, 2019, January 2, 2018, and January 3, 2017, respectively. Any awards issued under the 2015 Plan that are forfeited by the participant will become available for future grant under the 2015 Plan. The number of shares of the Company’s common stock initially reserved for issuance under the 2015 Plan equaled the sum of 14,100,000 shares plus up to 12,653,075 shares reserved for issuance or subject to outstanding awards under the 2006 Stock Plan. At December 31, 2018, 29,436,374 shares were authorized under the 2015 Plan and 18,645,783 shares were available for future grant.

In the first quarter of 2017, the Company made an accounting policy election to recognize forfeitures as they occur upon adoption of guidance in ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting. In reporting periods prior to 2017, the Company estimated forfeitures at the time of grant and revised in subsequent periods as necessary if actual forfeitures differed from estimates.

In the year ended December 31, 2018, the Company granted nonqualified stock options and RSUs to eligible participants. Options were generally granted for a term of 10 years. For both options and RSUs, vesting is typically over a four-year period and is contingent upon continued employment with the Company on each vesting date. In general, options granted to newly-hired employees prior to July 2018 vest 25% after the first year of service and ratably each month over the remaining 36-month period. In general, RSUs granted to newly-hired employees prior to July 2018 vest 25% after the first year following the vesting commencement date, which is the first day of the fiscal quarter closest to the date of grant, and then vest ratably each quarter over the remaining 12-quarter period. In general, for current employees who received an additional grant prior to March 2018, options vest ratably each month over a 48-month period. In general, for current employees who received an additional grant prior to March 2018, RSUs vest ratably each quarter over a 16-quarter period following the vesting commencement date, which is the first day of the fiscal quarter closest to the date of grant.

Beginning in July 2018, in general, for newly-hired employees, both options and RSUs vest 25% after the first year of service and ratably each six-month period over a four-year period following the vesting commencement date, which is the first day of the month closest to the date of grant. Beginning in March 2018, in general, for current employees who receive an additional grant, both options and RSUs vest ratably each six-month period over a four-year period following the vesting commencement date.

The fair value of each option award is estimated on the date of grant using the Black-Scholes option-pricing model using the inputs below. Prior to the IPO, the Company utilized equity valuations based on comparable publicly-traded companies, discounted free cash flows, an analysis of the Company’s enterprise value, and other factors deemed relevant in estimating the fair value of its common stock. Subsequent to the IPO, the Company has used the closing price of its common stock on Nasdaq as the fair value of its common stock. The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant for time periods that approximate the expected life of the option awards. Expected volatilities are based on implied volatilities from Etsy and market comparisons of certain publicly traded companies and other factors. The expected term of stock options granted has been determined using the simplified method, which uses the midpoint between the vesting date and the contractual term. The requisite service period is generally four years from the date of grant. The fair value of RSUs is determined based on the closing price of the Company’s common stock on Nasdaq on the grant date.

The fair value of options granted in each year using the Black-Scholes pricing model has been based on the following assumptions:

	Year Ended   December 31,
	2018	2017	2016
Volatility	38.6% - 47.8%	41.7% - 44.2%	38.6% - 44.6%
Risk-free interest rate	2.6% - 2.9%	1.9% - 2.2%	1.1% - 2.1%
Expected term (in years)	5.5 - 6.3	5.5 - 6.3	5.5 - 6.3
Dividend rate	—%	—%	—%

The following table summarizes the activity for the Company’s options (in thousands except share and per share amounts):

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contract Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2015	11,068,859		$	6.94	7.01	$	31,932
Granted	1,700,234		9.35
Exercised	(2,535,620	)	4.17
Forfeited/Canceled	(893,906	)	9.51
Outstanding at December 31, 2016	9,339,567		7.89		6.64	43,613
Granted	5,887,183		11.04
Exercised	(5,760,263	)	5.87
Forfeited/Canceled	(1,518,548	)	11.36
Outstanding at December 31, 2017	7,947,939		11.02		7.93	74,996
Granted	797,201		29.87
Exercised	(1,588,779	)	11.49
Forfeited/Canceled	(265,367	)	15.68
Outstanding at December 31, 2018	6,890,994		12.91		7.94	239,177
Total exercisable at December 31, 2018	3,032,251		10.94		7.28	111,071

The following table summarizes the weighted-average grant date fair value of options granted, intrinsic value of options exercised and fair value of awards vested in periods indicated (in thousands except per share amounts):

	Year Ended December 31,
	2018		2017		2016
Weighted average grant date fair value of options granted	$	13.33	$	4.85	$	4.03
Intrinsic value of options exercised	34,268		52,693		19,130
Fair value of awards vested	32,717		19,826		9,533

The total unrecognized compensation expense at December 31, 2018 was $22.9 million, which will be recognized over a weighted-average period of 2.59 years.

The following table summarizes the activity for the Company’s unvested RSUs:

	Shares		Weighted-Average Fair Value
Unvested at December 31, 2015	395,846		$	13.70
Granted	3,200,297		10.29
Vested	(255,868	)	10.64
Forfeited/Canceled	(205,094	)	10.15
Unvested at December 31, 2016	3,135,181		10.70
Granted	2,360,315		12.17
Vested	(1,072,321	)	10.44
Forfeited/Canceled	(1,348,928	)	10.56
Unvested at December 31, 2017	3,074,247		11.98
Granted	2,448,169		28.22
Vested	(1,496,906	)	13.80
Forfeited/Canceled	(545,142	)	18.47
Unvested at December 31, 2018	3,480,368		22.87

The total unrecognized compensation at December 31, 2018 was $70.5 million, which will be recognized over a weighted-average period of 3.03 years.

Total stock-based compensation expense included in the Consolidated Statements of Operations is as follows (in thousands):

	Year Ended   December 31,
	2018		2017		2016
Cost of revenue	$	3,357	$	1,739	$	1,057
Marketing	2,507		1,933		971
Product development	21,234		8,274		5,079
General and administrative	11,133		14,613		8,794
Total stock-based compensation expense	$	38,231	$	26,559	$	15,901

The total stock-based compensation expense in the years ended December 31, 2018, 2017, and 2016 includes $3.8 million, $3.9 million, and $2.7 million, in acquisition-related stock-based compensation expense, respectively.

During the year ended December 31, 2018, the Company incurred non-cash stock-based compensation expense of $7.0 million resulting from the modification of stock options and RSUs to accelerate vesting of certain stock-based compensation in connection with the departure of two employees. See “Note 17—Restructuring and Other Exit Costs (Income)” for information on stock modifications incurred in 2017 related to restructuring.

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Restructuring and Other Exit Costs (Income)

12 Months Ended

Dec. 31, 2018

Restructuring and Related Activities [Abstract]

Restructuring and Other Exit Costs (Income)

Note 17—Restructuring and Other Exit Costs (Income)

On April 30, 2017, the Board of Directors approved a plan to increase efficiency and streamline the Company’s cost structure through headcount reductions and a reduction in internal program expenses (the “May Actions”). On June 16, 2017, the Board of Directors approved additional initiatives designed to improve focus on key strategic growth opportunities (together with the May Actions, the “Actions”). The Actions included total headcount reductions of 245 positions or 23% of the total workforce as of December 31, 2016, closing ALM, a marketplace in France, and closing or consolidating certain international offices.

In connection with the Actions, the Company incurred $13.9 million of restructuring and other exit costs in the year ended December 31, 2017, comprised of employee severance, stock compensation modifications, and other exit costs, largely made up of cash expenditures. The Company generated $0.2 million of income in the year ended December 31, 2018 due to changes in estimated severance costs.

The following table displays restructuring and other exit costs (income) recorded related to the Actions and a rollforward of the charges to the accrued expenses balance as of December 31, 2018 (in thousands):

	Severance Charge			Stock-Based Compensation			Other Exit Costs			Total
Balance, December 31, 2016	$	—		$	—		$	—		$	—
Total restructuring and other exit costs	8,972			1,668			620			11,260
Costs charged against equity/assets	—			(1,668		)	—			(1,668		)
Cash payments	(2,110		)	—			(278		)	(2,388		)
Balance, June 30, 2017	6,862			—			342			7,204
Total restructuring and other exit costs	871			965			(70		)	1,766
Costs charged against equity/assets	—			(965		)	—			(965		)
Cash payments	(4,385		)	—			(180		)	(4,565		)
Balance, September 30, 2017	3,348			—			92			3,440
Total restructuring and other exit costs	361			68			442			871
Costs charged against equity/assets	—			(68		)	(286		)	(354		)
Cash payments	(2,401		)	—			(214		)	(2,615		)
Balance, December 31, 2017	1,308			—			34			1,342
Total restructuring and other exit costs (income)	(156		)	—			5			(151		)
Cash payments	(793		)	—			—			(793		)
Balance, March 31, 2018	359			—			39			398
Total restructuring and other exit costs (income)	(43		)	—			2			(41		)
Cash payments	(271		)	—			(16		)	(287		)
Balance, June 30, 2018	45			—			25			70
Total restructuring and other exit costs (income)	(45		)	—			(12		)	(57		)
Cash payments	—			—			(13		)	(13		)
Balance, September 30, 2018	—			—			—			—
Balance, December 31, 2018	$	—		$	—		$	—		$	—

Total restructuring and other exit costs (income) included in the Consolidated Statements of Operations are as follows (in thousands):

	Year Ended   December 31,
	2018			2017		2016
Cost of revenue	$	(19	)	$	738	$	—
Marketing	(82		)	2,950		—
Product development	(110		)	3,232		—
General and administrative	(38		)	6,977		—
Total restructuring and other exit costs (income)	$	(249	)	$	13,897	$	—

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Basis of Presentation and Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Consolidation

Basis of Consolidation

The Consolidated Financial Statements include the accounts of Etsy and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

Use of Estimates

Use of Estimates

The preparation of the Company’s Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and disclosure of contingent assets, liabilities and equity at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. The accounting estimates that require management’s most difficult and subjective judgments include: for revenue recognition, determining the nature and timing of satisfaction of performance obligations and stand-alone selling price for use in allocating the subscription price; income taxes, including the assessment of valuation allowances and the accounting for uncertain tax positions; website development costs and internal-use software; purchase price allocations for business combinations; valuation of goodwill and intangible assets; leases; stock-based compensation; restructuring and other exit costs (income); and fair value of financial instruments. The Company evaluates its estimates and judgments on an ongoing basis and revises them when necessary. Actual results may differ from the original or revised estimates.

Revenue Recognition

Revenue Recognition

The Company’s revenue is diversified; generated from a mix of marketplace activities and other optional services to help Etsy sellers to generate more sales and scale their businesses. Revenues are recognized as the Company transfers control of promised goods or services to Etsy sellers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The Company evaluates whether it is appropriate to recognize revenue on a gross or net basis based upon its evaluation of whether the Company obtains control of the specified goods or services by considering if it is primarily responsible for fulfillment of the promise, has inventory risk, and has the latitude in establishing pricing and selecting suppliers, among other factors. Based on its evaluation of these factors, revenue is recorded either gross or net of costs associated with the transaction. With the exception of Etsy Shipping Labels, the Company’s revenues are recognized on a gross basis. Sales and usage-based taxes are excluded from revenues.

Marketplace revenue:  As members of the Etsy marketplace, Etsy sellers receive the benefit of marketplace activities, including listing items for sale, completing sales transactions, and payments processing, which represents a single stand-ready performance obligation. Etsy sellers pay a fixed listing fee of $0.20 for each item listed on Etsy.com for a period of four months or, if earlier, until a sale occurs. Variable fees include the 5% transaction fee that an Etsy seller pays for each completed transaction, inclusive of shipping fees charged, and Etsy Payments fees for processing payments, including foreign currency payments. On July 16, 2018, the Company increased the seller transaction fee from 3.5% to 5% of each completed transaction, and now applies it to the cost of shipping in addition to the cost of the item. Etsy Payments processing fees vary between 3–4.5% of an item’s total sale price, including shipping, plus a flat fee per order, depending on the country in which a seller’s bank account is located. When a foreign currency payment is processed, an additional 2.5–5% transaction fee is applied.

The listing fee is recognized ratably over a four-month listing period, unless the item is sold or the seller re-lists it, at which time any remaining listing fee is recognized. The transaction fee and Etsy Payments fees are recognized when the corresponding transaction is consummated. Listing fees are nonrefundable while transaction fees and Etsy Payments fees are recorded net of refunds.

Services revenue: Services revenue is derived from optional services offered to Etsy sellers, which include Promoted Listings, Etsy Shipping Labels, Pattern, and Etsy Plus. Each service below represents an individual obligation that the Company must perform when an Etsy seller chooses to use the service.

• Revenue from Promoted Listings, the Company’s on-site advertising service, consists of cost-per-click fees an Etsy seller pays for prominent placement of the seller’s listings in search results in the Company’s marketplace. Promoted Listings fees are based on an auction system, which utilizes the budget that each Etsy seller sets when using Promoted Listings to determine the cost-per-click fee. Promoted Listing fees are nonrefundable and are charged to a seller’s Etsy bill when the Promoted Listing is clicked; at which time revenue is recognized.

• Revenue from Etsy Shipping Labels consists of fees an Etsy seller pays the Company when she purchases shipping labels through its platform, net of the cost the Company incurs in purchasing those shipping labels. The Company provides its sellers access to purchase shipping labels from the United States Postal Service, FedEx, Canada Post, Royal Mail, and DAI Post at discounted pricing due to the volume of purchases through its platform. The Company recognizes Etsy Shipping Label revenue when an Etsy seller purchases a shipping label. The Company recognizes Etsy Shipping Label revenue on a net basis as it is an agent in this arrangement and does not take control of shipping labels prior to transferring the labels to the Etsy Seller. Etsy Shipping Label revenue is recorded net of refunds.

• Revenue from Pattern consists of monthly subscription fees an Etsy seller pays to use the Company’s custom website services. The Company recognizes revenue from Pattern ratably over the term of the subscription. The Pattern subscription fee is $15 per month and is nonrefundable.

• Revenue from Etsy Plus consists of monthly subscription fees an Etsy seller pays for enhanced tools and credits for use on the Company’s platform. The Etsy Plus subscription fee is $10 per month and is nonrefundable. Each feature represents its own distinct performance obligation. The Company allocates subscription revenue based on the relative actual or estimated stand-alone selling price of the features included in the Etsy Plus offering. Enhanced tools include advanced shop customization options, targeted restock notifications, discounts on branded packaging and promotional materials, and free or discounted custom web addresses, all of which are recognized ratably over the 30-day subscription period. Additionally, the subscription includes $5 of Promoted Listing credits and 15 free listing credits per month. The allocated value of Promoted Listing credits is recognized when the Promoted Listing is clicked, or when the 30-day subscription period expires. The allocated value of listing credits is deferred until the option is used, and once used, allocated over the four-month listing period. Any unused listing credits are recognized when the 30-day subscription period expires.

Other revenue: Other revenue typically includes revenue generated from commercial partnerships, which are recognized as the customer in each contract consumes the benefit of the service Etsy provides in each arrangement.

Cost of Revenue

Cost of revenue primarily consists of the cost of interchange and other fees for credit card processing services, credit card verification service fees, and credit card chargebacks to support Etsy Payments revenue, and costs of refunds made to Etsy buyers that the Company is not able to collect from Etsy sellers. Cost of revenue also includes expenses associated with the operation and maintenance of the Company’s platform and its data centers, including employee-related costs, hosting and bandwidth costs, and depreciation and amortization.

Marketing

Marketing

Marketing expenses largely consist of direct marketing and indirect employee-related expenses to support our marketing initiatives. Direct marketing includes digital marketing, brand marketing and television, seller lifecycle and growth activities, public relations, communications, and marketing partnerships. Digital marketing, also referred to as performance marketing, primarily consists of targeted promotional campaigns through electronic channels, such as product listing ads, search engine marketing, affiliate programs, and display advertising which are focused on buyer acquisition and brand marketing.

Advertising

Advertising expenses are recognized as incurred, with the exception of certain production expenses related to television and display advertising which are deferred until the first time an advertisement airs or is published. If such advertising is not expected to occur, costs are expensed immediately.

Product Development

Product Development

Product development expenses consist primarily of employee-related expenses for engineering, product management, product design, and product research activities. Additional expenses include consulting costs related to the development, quality assurance, and testing of new technology and enhancement of our existing technology.

Stock-Based Compensation

Stock-Based Compensation

The Company accounts for its stock-based compensation awards in accordance with ASC Topic 718—Compensation—Stock Compensation (“ASC 718”). Stock options and restricted stock units (“RSUs”) are awarded to employees and members of the Company’s Board of Directors and are measured at fair value at each grant date. The Company calculates the fair value of stock options on the date of grant using the Black-Scholes option-pricing model and the expense is recognized over the requisite service period. Prior to the IPO, the Company utilized equity valuations based on comparable publicly-traded companies, discounted free cash flows, an analysis of the Company’s enterprise value, and other factors deemed relevant in estimating the fair value of its common stock. Subsequent to the IPO, the Company has used the closing price of its common stock on Nasdaq as the fair value of its common stock. The risk-free rate for periods within the contractual life of the option is based on the U.S. Treasury yield curve in effect at the time of grant. Expected volatilities are based on implied volatilities from market comparisons of Etsy and certain publicly traded companies, and other factors. The expected term of stock options granted has been determined using the simplified method, which uses the midpoint between the vesting date and the contractual term. The fair value of RSUs is determined based on the closing price of the Company’s common stock on Nasdaq on the grant date. The requisite service period for stock options and RSUs is generally four years from the date of grant.

In the first quarter of 2017, the Company made an accounting policy election to recognize forfeitures as they occur upon adoption of guidance in ASU 2016-09—Compensation—Stock Compensation: Scope of Modification Accounting. In reporting periods prior to 2017, the Company estimated forfeitures at the time of grant and revised in subsequent periods as necessary if actual forfeitures differed from estimates.

The Company accounted for stock-based compensation arrangements related to the A Little Market (“ALM”) acquisition in restricted shares, subject to a put option that allows the holder of the shares to put the shares back to the Company for cash, as liability-classified stock awards. These awards were re-measured at fair value each reporting period, with changes in fair value being charged to the Consolidated Statement of Operations. Compensation expense was recognized using a graded vesting methodology for each separately vesting tranche as though the award were, in substance, multiple awards. Unless the put option was exercised, the restricted shares were to be reclassified from a liability to an equity classified award upon the termination of the put option at the vesting of each separate tranche. In 2017, all outstanding restricted shares subject to a put option became fully vested and the Company is no longer required to remeasure these awards at fair value going forward.

Foreign Currency

Foreign Currency

The Company has determined that the functional currency for each of its foreign operations is the currency of the primary cash flow of the operations, which is generally the local currency in which the operation is located. All assets and liabilities are translated into U.S. dollars using exchange rates in effect at the balance sheet date. Revenue and expenses are translated using average exchange rates during the period. Foreign currency translation adjustments are reflected in stockholders’ equity as a component of other comprehensive income (loss). Transaction gains and losses including intercompany balances denominated in a currency other than the functional currency of the entity involved are included in foreign exchange gain (loss) within other income (expense) in the Consolidated Statement of Operations.

Income Taxes

Income Taxes

The income tax (provision) benefit is based on income (loss) before income taxes and is accounted for under the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to settle. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as income or expense in the period that includes the enactment date. Management assesses the need for a valuation allowance on a quarterly basis to reduce deferred tax assets to the amounts expected to be realized.

On December 22, 2017 the Tax Cuts and Jobs Act of 2017 (the “TCJA”) was signed into law. The TCJA requires the Company to make an accounting policy election of either (1) treating taxes due on future U.S. inclusions in taxable income related to Global Intangible Low Taxed Income ("GILTI") as a current period expense when incurred (the “period cost method”) or (2) factoring such amounts into the Company’s measurement of its deferred taxes (the “deferred method”). The Company has recorded tax expense related to GILTI in its effective tax rate for 2018, and has elected to treat taxes due on future U.S. inclusions in taxable income related to GILTI as a current period expense when incurred using the period cost method.

The Company accounts for uncertainty in income taxes using a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For benefits to be recognized, a tax position must be more likely than not to be sustained upon examination by the taxing authorities. The amount recognized is measured as the largest amount of benefit that has a greater than 50% likelihood of being realized upon ultimate audit settlement.

The Company recognizes interest and penalties, if any, associated with income tax matters as part of the income tax provision and includes accrued interest and penalties with the related income tax liability in the Consolidated Balance Sheet.

Excess Tax Benefits from Exercise of Stock Options

Excess Tax Benefits from Exercise of Stock Options

As of the first quarter of 2017, the Company adopted ASU 2016-09—Stock Compensation: Improvements to Employee Share-based Payment Accounting, for share-based payment transactions that require a reporting entity to recognize excess tax benefits and deficiencies as income tax expense or benefit in the income statement. Prior to this adoption, including the year ended December 31, 2016, the Company used the “with and without” approach in determining the order in which tax attributes were utilized. As a result, the Company recognized a tax benefit from stock-based awards (“windfall”) in additional paid-in capital only if an incremental tax benefit was realized after all other tax attributes available to the Company had been utilized. When tax deductions from stock-based awards were less than the cumulative book compensation expense, the tax effect of the resulting difference (“shortfall”) was charged first to additional paid-in capital, to the extent of the Company’s pool of windfall tax benefits, with any remainder recognized in income tax expense.

Net Income (Loss) Per Share

Net Income (Loss) Per Share

Basic net income (loss) per share attributable to common stockholders is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted net income (loss) per share is computed by dividing net income (loss) for the period by the weighted-average number of shares of common stock and potentially dilutive common stock outstanding during the period. Net income in the diluted net income per share calculation is adjusted for income or loss from fair value adjustments on instruments accounted for as liabilities, but which may be settled in shares. The dilutive effect of outstanding options and stock-based compensation awards is reflected in diluted net income (loss) per share by application of the treasury stock method. Since the Company expects to settle in cash the principal outstanding under the 0% Convertible Senior Notes due 2023 the Company issued in March 2018 (the “Notes,” see “Note 13—Debt”), it uses the treasury stock method when calculating the potential dilutive effect of the conversion spread on diluted net income per share, if applicable. The conversion spread will have a dilutive impact on diluted net income per share of common stock when the average market price of the Company’s common stock for a given period exceeds the conversion price of $36.27 per share.

The calculation of diluted net income (loss) per share excludes all anti-dilutive common shares. For periods in which the Company has reported net losses, diluted net loss per share attributable to common stockholders is the same as basic net loss per share attributable to common stockholders, because dilutive common shares are not assumed to have been issued if their effect is anti-dilutive.

Segment Data

Segment Data

The Company identifies operating segments as components of an entity for which discrete financial information is available and is regularly reviewed by the chief operating decision maker, or decision-making group, in making decisions regarding resource allocation and performance assessment. The Company defines the term “chief operating decision maker” to be its chief executive officer. The Company has determined it operates in one operating segment and one reportable segment, as its chief operating decision maker reviews financial information presented on only a consolidated basis for purposes of allocating resources and evaluating financial performance.

Cash, Cash Equivalents and Short-term Investments

Cash, Cash Equivalents, and Short-term Investments

The Company considers all investments with an original maturity of three months or less at time of purchase to be cash equivalents. Cash restricted by third parties is not considered cash and cash equivalents. Short-term investments, consisting primarily of commercial paper, U.S. Government and agency securities, and corporate bonds with original maturities of greater than three months but less than one year when purchased, are classified as available-for-sale and are reported at fair value using the specific identification method. Unrealized gains and losses are excluded from earnings and reported as a component of other comprehensive income (loss), net of related estimated income tax provisions or benefits.

Concentration of Credit Risk

Concentration of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash and cash equivalents, short-term investments, and funds receivable and seller accounts. The Company reduces credit risk by placing its cash and cash equivalents with major financial institutions with high credit ratings. At times, such amounts may exceed federally insured limits. In addition, funds receivable are generated primarily with credit card and payment processing companies which management believes are of high credit quality.

Fair Value of Financial Instruments

Fair Value of Financial Instruments

Management believes that the fair value of financial instruments, consisting of cash and cash equivalents, short-term investments, accounts receivable, funds receivable and seller accounts, accounts payable, and funds payable and seller accounts approximates carrying value due to the immediate or short-term maturity associated with these instruments.

Accounts Receivable and Allowance for Doubtful Accounts

Accounts Receivable and Allowance for Doubtful Accounts

The Company’s trade accounts receivable are recorded at amounts billed to Etsy sellers and are presented on the Consolidated Balance Sheet net of the allowance for doubtful accounts. The allowance is determined by a number of factors, including age of the receivable, current economic conditions, historical losses, and management’s assessment of the financial condition of Etsy sellers. Receivables are written off once they are deemed uncollectible, which may arise when Etsy sellers file for bankruptcy or are otherwise deemed unable to repay the amounts owed to the Company. Estimates of uncollectible accounts receivable are recorded to general and administrative expense.

Funds Receivable and Seller Accounts and Funds Payable and Amounts Due to Sellers

Funds Receivable and Seller Accounts and Funds Payable and Amounts due to Sellers

The Company records funds receivable and seller accounts and funds payable and amounts due to sellers as current assets and liabilities, respectively, on the Consolidated Balance Sheet. Funds receivable and seller accounts represent amounts received or expected to be received from Etsy buyers via third-party credit card processors, which flow through an Etsy bank account for payment to Etsy sellers. This cash and related receivable represent the total amount due to sellers, and as such a liability for the same amount is recorded to funds payable and amounts due to Etsy sellers.

Property and Equipment

Property and Equipment

Property and equipment, consisting principally of building, capitalized website development and internal-use software, leasehold improvements, and computer equipment, are recorded at cost. The Company capitalizes construction in progress for build-to-suit lease agreements where we are the owner, for accounting purposes only, during the construction period. Depreciation and amortization begin at the time the asset is placed into service and are recognized using the straight-line method in amounts sufficient to relate the cost of depreciable and amortizable assets to the Consolidated Statements of Operations over their estimated useful lives. Repairs and maintenance are charged to the Consolidated Statements of Operations as incurred. Upon sale or retirement of assets, the cost and related accumulated depreciation or amortization are removed from the balance sheet and the resulting gain or loss is reflected in the Consolidated Statements of Operations.

When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of tangible long-lived assets based on its expectations of future profitability, undiscounted cash flows, and management’s plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value.

Website Development and Internal-use Software Costs

Website Development and Internal-use Software Costs

Costs incurred to develop the Company’s website and software for internal-use are capitalized and amortized over the estimated useful life of the software, generally three to five years. In accordance with authoritative accounting guidance, capitalization of costs to develop software begin when preliminary development efforts are successfully completed, management has authorized and committed project funding, and it is probable that the project will be completed and the software will be used as intended. The Company also capitalizes costs related to upgrades and enhancements when it is probable the expenditures will result in additional functionality or will extend the useful life of existing functionality. Costs related to the design or maintenance of website development and internal-use software are expensed as incurred. The Company periodically reviews capitalized website development and internal-use software costs to determine whether the projects will be completed, placed in service, removed from service, or replaced by other internally-developed or third-party software. If an asset is not expected to provide any future use, the asset is retired and any unamortized cost is expensed.

If an asset will continue to be used, but the net book value is not expected to be fully recoverable, the asset is impaired to its fair value. When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of website development and internal-use software costs based on its expectations of future profitability, undiscounted cash flows, and our plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value. No impairment of capitalized website development and internal-use software assets was recorded during the years ended December 31, 2018 and 2016. The Company recognized an asset impairment charge of $3.2 million related to capitalized web development and internal-use software assets in the year ended December 31, 2017 as a result of its decision to discontinue certain product offerings, including Etsy Studio and Etsy Manufacturing.

Capitalized website development and internal-use software costs are included in property and equipment within the Consolidated Balance Sheets.

Asset Acquisitions

Asset Acquisitions

The Company has completed asset acquisitions and may complete additional asset acquisitions in the future. In an asset acquisition, the Company initially determines whether it acquired a single or group of assets. Acquired assets are recognized based on the purchase price, which is presumed to equal the fair value of the net assets acquired and amortized in the period over which the asset is expected to contribute directly or indirectly to the future cash flows of that entity. When circumstances indicate that the carrying value of these assets may not be recoverable, the Company reviews its identifiable amortizable intangible assets for impairment. The Company accrues for contingent consideration when payout becomes probable and is reasonably estimable.

Business Combinations

Business Combinations

The Company has completed a number of acquisitions of other businesses in the past and may acquire additional businesses or technologies in the future. In an acquisition, the Company first reviews if substantially all of the fair value of the assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets, in which case the set is not considered a business and is accounted for as an asset acquisition.

The results of businesses acquired in a business combination are included in the Company’s Consolidated Financial Statements from the date of acquisition. The Company allocates the purchase price, which is the sum of the consideration provided and may consist of cash, equity, or a combination of the two, in a business combination to the identifiable assets and liabilities of the acquired business at their acquisition date fair values. The excess of the purchase price over the amount allocated to the identifiable assets and liabilities, if any, is recorded as goodwill. Determining the fair value of assets acquired and liabilities assumed requires management to use significant judgment and estimates, including the selection of valuation methodologies, estimates of future revenue and cash flows, discount rates, and selection of comparable companies.

When the Company issues stock-based or cash awards to an acquired company’s stockholders, the Company evaluates whether the awards are contingent consideration or compensation for post-combination services. The evaluation includes, among other things, whether the vesting of the awards is contingent on the continued employment of the acquired company’s stockholder beyond the acquisition date. If continued employment is required for vesting, the awards are treated as compensation for post-combination services and recognized as expense over the requisite service period.

The Company initially recognizes intangible assets at fair value, and amortizes them on a straight-line basis over their estimated useful lives. When circumstances indicate that the carrying value of these assets may not be recoverable, the Company reviews its identifiable amortizable intangible assets for impairment.

To date, the assets acquired and liabilities assumed in the Company’s business combinations have primarily consisted of goodwill and finite-lived intangible assets, consisting primarily of developed technologies, customer relationships, and trademarks. The estimated fair values and useful lives of identifiable intangible assets are based on many factors, including estimates and assumptions of future operating performance and cash flows of the acquired business, the nature of the business acquired, and the specific characteristics of the identified intangible assets. The estimates and assumptions used to determine the fair values and useful lives of identified intangible assets could change due to numerous factors, including market conditions, technological developments, economic conditions, and competition. In connection with determination of fair values, the Company may engage independent appraisal firms to assist with the valuation of intangible and certain tangible assets acquired and certain assumed obligations.

Acquisition-related transaction costs incurred by the Company are not included as a component of consideration transferred, but are accounted for as an expense in the period in which the costs are incurred.

Goodwill

Goodwill

Goodwill represents the excess of the aggregate fair value of the consideration transferred in a business combination over the fair value of the assets acquired, net of liabilities assumed. Goodwill is not amortized, but is subject to an annual impairment test. Management has determined that the Company has a single reporting unit and performs its annual goodwill impairment test during the fourth quarter or more frequently if events or changes in circumstances indicate that the goodwill may be impaired.

Events or changes in circumstances which could trigger an impairment review include significant changes in the manner of the Company’s use of the acquired assets or the strategy for the Company’s overall business, significant negative industry or economic trends, significant underperformance relative to historical or projected future results of operations, a significant adverse change in the business climate, cost factors that have a negative effect on earnings and cash flows, an adverse action or assessment by a regulator, a sustained decrease in share price, unanticipated competition, or a loss of key personnel.

The Company has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of the reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, the Company determines it is not more likely than not that the fair value of the reporting unit is less than its carrying amount, then additional impairment testing is not required. However, if the Company concludes otherwise, then it is required to perform a quantitative assessment for impairment.

The quantitative assessment involves comparing the estimated fair value of the reporting unit with its respective book value, including goodwill. If the estimated fair value exceeds book value, goodwill is considered not to be impaired and no additional steps are necessary. If, however, the book value of the reporting unit exceeds the fair value, an impairment loss is recognized in an amount equal to the excess, not to exceed the total amount of goodwill allocated to that reporting unit.

Intangible Assets

Intangible Assets

Intangible assets are amortized over the estimated useful life of the asset. The estimated useful lives of acquired technology, customer relationships, and trademarks are generally three years and the estimated useful life of the referral agreement is ten years. When events or changes in circumstances require, the Company assesses the likelihood of recovering the cost of intangible assets based on its expectations of future profitability, undiscounted cash flows, and management’s plans with respect to operations to determine if the asset is impaired and subject to write-off. Measurement of any impairment loss is based on the excess of the carrying value of the asset over the fair value.

Leases

Leases

The Company leases office space and certain computer equipment in multiple locations under non-cancelable lease agreements. The leases are reviewed for classification as operating, capital, or build-to-suit leases. For operating leases, rent is recognized on a straight-line basis over the lease period. For capital leases, the Company records the leased asset with a corresponding liability. Payments are recorded as reductions to the liability with an appropriate interest charge recorded based on the then-outstanding remaining liability. Upon adoption of ASU 2016-02—Leases, the Company will recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases.

The Company considers the nature of the renovations and the Company’s involvement during the construction period of newly-leased office space to determine if it is considered, for accounting purposes only, to be the owner of the construction project during the construction period. If the Company determines that it is the owner of the construction project, it is required to capitalize the fair value of the building as well as the construction costs incurred on its Consolidated Balance Sheet along with a corresponding financing liability (“build-to-suit accounting”). Upon occupancy for build-to-suit leases, the Company assesses whether the circumstances qualify for sales recognition under the sale-leaseback accounting guidance. If the lease meets the sale-leaseback criteria, the Company will remove the asset and related financial obligation from the balance sheet and treat the building lease as an operating lease. If upon completion of construction, the project does not meet the sale-leaseback criteria, the leased property will be treated as a capital lease for financial reporting purposes.

In May 2016, the Company took possession of its corporate headquarters in Brooklyn, New York upon substantial completion of the construction phase of the build-out. Upon completion of the project, the Company performed a sale-leaseback analysis pursuant to Accounting Standards Codification (“ASC”) 840—Leases, to determine the appropriateness of removing the previously capitalized assets from the Consolidated Balance Sheets. The Company concluded that components of “continuing involvement” were evident as a result of this review, precluding the derecognition of the related assets from the Consolidated Balance Sheets. In conjunction with the initiation of the lease in May 2014, the Company also recorded a facility financing obligation equal to the fair market value of the assets received from the landlord. As of December 31, 2018, the facility financing obligation outstanding was $60.0 million. The Company does not report rent expense for the lease. Rather, rental payments under the lease are recognized as a reduction of the financing obligation and interest expense, and the associated asset capitalized throughout the construction project is depreciated over its estimated useful life.

Contingencies

Contingencies

The Company accrues for loss contingencies when losses become probable and are reasonably estimable. If the reasonable estimate of the loss is a range and no amount within the range is a better estimate, the minimum amount of the range is recorded as a liability. The Company does not accrue for contingent losses that, in its judgment, are considered to be reasonably possible, but not probable; however, it discloses the range of such reasonably possible losses.

Recent Accounting Pronouncements

Recently Issued Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board (“FASB”) issued ASU 2016-02—Leases, and additional changes, modifications, clarifications, or interpretations related to this guidance thereafter, which require a reporting entity to recognize right-of-use assets and lease liabilities on the balance sheet for operating leases to increase transparency and comparability. The new guidance is effective for annual and interim periods beginning after December 15, 2018, and early adoption is permitted. The Company will adopt this guidance on a modified retrospective basis as of January 1, 2019, utilizing transition guidance introduced in ASU 2018-11—Leases: Targeted Improvements and expects to elect the ‘package of practical expedients,’ which permits the Company not to reassess prior conclusions about lease identification, classification and initial direct costs. The Company does not expect to elect the use-of-hindsight or the practical expedient pertaining to land easements; the latter not being applicable.

The Company has not yet finalized the review, however, the Company is expecting that this standard will have a material effect on the Company’s Consolidated Financial Statements. The most significant effects relate to the recognition of new right-of-use assets and lease liabilities on the Consolidated Balance Sheet for real estate operating leases; the derecognition of existing assets and liabilities for a sale-leaseback transaction (arising from a build-to-suit lease arrangement on our Brooklyn headquarters for which construction is complete and the Company is leasing the constructed asset) that currently does not qualify for sale accounting; and providing significant new disclosures about leasing activities. However, the Company does not expect adoption to have a material impact on its results of operations or liquidity. The accounting for capital leases is expected to remain substantially unchanged. Upon adoption, the Company will:

• recognize additional operating liabilities and corresponding right-of-use assets of the same amount based on the present value of the remaining minimum rental payments under current leasing standards for existing operating leases;

• derecognize existing facility financing obligations and the related existing building asset for our corporate headquarters. Any gains or losses associated with this change in accounting will be recognized through a cumulative-effect adjustment to accumulated deficit as of January 1, 2019. Additionally, a new right-of-use asset and lease liability will be recognized on the Consolidated Balance Sheet for the associated lease, which will be classified as a financing lease.

The new standard also provides practical expedients for an entity’s ongoing accounting. The Company will elect the short-term lease recognition exemption for all leases that qualify. Accordingly, we will not recognize right-of-use assets or lease liabilities for leases that qualify, including leases for existing short-term leases in effect at transition and will recognize those payments on the Consolidated Statements of Operations on a straight-line basis over the lease term. The Company will elect the practical expedient to not separate lease and non-lease components for all its leases.

In January 2016, the FASB issued ASU 2016-13—Financial Instruments—Credit Losses, and additional changes, modifications, clarifications or interpretations related to this guidance thereafter, which require a reporting entity to estimate credit losses on certain types of financial instruments, and present assets held at amortized cost and available-for-sale debt securities at the amount expected to be collected. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impact of the new guidance on its Consolidated Financial Statements.

In July 2018, FASB issued ASU 2018-09—Codification Improvements, which clarifies, corrects, and makes minor improvements across multiple topics in the codification. The transition and effective dates are based on the facts and circumstances of each amendment, with some amendments becoming effective upon issuance of the update, and others becoming effective for annual periods beginning after December 15, 2018. The amendments that were effective upon issuance of the update did not have an impact on the Company’s Consolidated Financial Statements. The Company is currently evaluating the impact of the adoption of the other amendments on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU 2018-15—Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company is currently evaluating the impact of the adoption of the new guidance on its Consolidated Financial Statements.

Recently Adopted Accounting Pronouncements

In May 2014, the FASB issued ASU 2014-09—Revenue from Contracts with Customers, and additional changes, modifications, clarifications, or interpretations related to this guidance thereafter, which replaces existing revenue recognition guidance. The new guidance was effective for the annual and interim periods beginning after December 15, 2017. Among other things, the updated guidance requires companies to recognize revenue in a way that depicts the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The Company adopted the requirements of the new guidance as of January 1, 2018, utilizing the full retrospective method of transition. In connection with the adoption, the company reclassified Etsy Payments revenue from Services revenue to Marketplace revenue in the Consolidated Statements of Operations. Aside from this presentation reclassification, adoption of the new guidance did not result in changes to the prior year or current year Consolidated Financial Statements. See“Revenue Recognition” above and Note 2—Revenue” for additional information regarding revenue recognition.

In November 2016, the FASB issued ASU 2016-18—Statement of Cash Flows: Restricted Cash, which requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. The new guidance is effective for the annual and interim periods beginning after December 15, 2017. The Company adopted this standard in the first quarter of 2018 utilizing the full retrospective method of transition. As a result of this guidance, the Company reclassified $5.3 million on the Consolidated Statement of Cash Flows in the year ended December 31, 2018, 2017, and 2016 to include restricted cash in the beginning and ending cash, cash equivalents, and restricted cash balances.

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statement of Cash Flows (in thousands):

	Year Ended December 31,
	2018		2017		2016
Beginning balance:
Cash and cash equivalents	$	315,442	$	181,592	$	271,244
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	320,783	$	186,933	$	276,585
Ending balance:
Cash and cash equivalents	$	366,985	$	315,442	$	181,592
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	372,326	$	320,783	$	186,933

The balances included in restricted cash represent amounts held as collateral associated with the lease of the Company’s Brooklyn, New York headquarters. This standard had no other impact to the Consolidated Financial Statements.

In June 2018, the FASB issued ASU 2018-07—Improvements to Nonemployee Share-Based Payment Accounting, which expands the scope of ASC Topic 718—Compensation—Stock Compensation, to include share-based payment transactions for acquiring goods and services from non-employees. The new guidance is effective for annual and interim periods beginning after December 15, 2018, and early adoption is permitted. The Company adopted this standard in the third quarter of 2018 noting that the adoption of the standard had no material impact on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU 2018-13—Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement, which adds, modifies, and removes various disclosure requirements for fair value measurements. The new guidance is effective for annual and interim periods beginning after December 15, 2019, and early adoption is permitted. The Company adopted this standard in the third quarter of 2018 noting that the adoption of the standard had no impact on its fair value measurement disclosures.

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Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Cash, Cash Equivalents and Investments

The following table provides cash, cash equivalents, and short-term investments within the Consolidated Balance Sheets as of the dates indicated (in thousands):

	As of December 31,
	2018		2017
Cash and cash equivalents	$	366,985	$	315,442
Short-term investments	257,302		25,108
Total cash, cash equivalents, and short-term investments	$	624,287	$	340,550

Schedule of Allowance Activity

The following table summarizes the allowance activity during the periods indicated (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Balance as of the beginning of period	$	2,687		$	1,999		$	2,071
Bad debt expense	4,124			2,497			1,770
Write-offs, net of recoveries and other adjustments	(2,091		)	(1,809		)	(1,842		)
Balance as of the end of period	$	4,720		$	2,687		$	1,999

Reconciliation of Cash and Cash Equivalents

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statement of Cash Flows (in thousands):

	Year Ended December 31,
	2018		2017		2016
Beginning balance:
Cash and cash equivalents	$	315,442	$	181,592	$	271,244
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	320,783	$	186,933	$	276,585
Ending balance:
Cash and cash equivalents	$	366,985	$	315,442	$	181,592
Restricted cash	5,341		5,341		5,341
Total cash, cash equivalents, and restricted cash	$	372,326	$	320,783	$	186,933

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Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes revenue by type of service for the periods presented (in thousands):

	Year Ended December 31,
	2018		2017		2016
Marketplace revenue (1)	$	440,740	$	326,076	$	269,628
Services revenue	158,928		111,869		89,433
Other revenue	4,025		3,286		5,906
Revenue	$	603,693	$	441,231	$	364,967

(1) Etsy Payments revenue for the years ended December 31, 2018, 2017, and 2016 has been reclassified and presented within Marketplace revenue. Comparative periods have been reclassified to conform to current period presentation.

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

The following are the domestic and foreign components of the Company’s income (loss) before income taxes (in thousands):

	Year Ended   December 31,
	2018		2017			2016
Domestic	$	36,157	$	(16,583	)	$	25,910
Foreign	18,921		48,848			(28,786		)
Income (loss) before income taxes	$	55,078	$	32,265		$	(2,876	)

Income Tax (Benefit) Provision

The income tax (benefit) provision is comprised of the following (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Current:
Federal	$	709		$	(6,397	)	$	22,084
State	(578		)	79			2,623
Foreign	600			476			580
Total current	731			(5,842		)	25,287
Deferred:
Federal	(3,343		)	(34,948		)	2,008
State	3,496			(8,778		)	(247		)
Foreign	(23,297		)	33			(23		)
Total deferred	(23,144		)	(43,693		)	1,738
Total income tax (benefit) provision	$	(22,413	)	$	(49,535	)	$	27,025

Reconciliation of the Income Tax (Benefit) Provision

A reconciliation of the income tax (benefit) provision at the U.S. federal statutory income tax rate of 21% in 2018 and 35% in 2017 and 2016 to the Company’s total income tax (benefit) provision is as follows (in thousands):

	Year Ended   December 31,
	2018			2017			2016
Income tax provision (benefit) at federal statutory rate	$	11,566		$	11,308		$	(1,007	)
State and local taxes net of federal benefit	3,839			(691		)	1,545
Foreign income tax rate differential	(298		)	(11,878		)	5,849
Stock-based compensation	(11,717		)	(12,584		)	1,412
Non-deductible items	(329		)	168			267
Uncertain tax positions	382			789			4,033
Return to provision adjustment	3,293			167			(498		)
Non-deductible acquisition costs	—			—			199
Change in valuation allowance	(28,733		)	(4,673		)	4,911
Research and development credit	(4,115		)	(1,098		)	(2,170		)
Deferred charge on restructuring	—			—			12,168
U.S. tax reform	3,897			(31,063		)	—
Other	(198		)	20			316
Total income tax (benefit) provision	$	(22,413	)	$	(49,535	)	$	27,025

Significant Components of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets (liabilities) are as follows (in thousands):

	As of December 31,
	2018			2017
Deferred tax assets:
Net operating loss carryforwards	$	13,347		$	24,625
Amortization of acquired intangibles	12,109			15,631
Research and development credit carryforwards	7,567			3,597
Stock-based compensation expense	6,623			3,776
Accrued VAT liability	43			42
Alternative minimum tax credit	274			274
Allowance for doubtful accounts	545			384
Deferred rent	529			573
Accrued vacation	744			623
Unrealized loss on foreign currency	—			527
Other, net	1,301			300
Total deferred tax assets	43,082			50,352
Less valuation allowance	1,673			32,455
Total net deferred tax asset	41,409			17,897
Deferred tax liabilities:
Depreciation	(6,933		)	(6,850		)
Global corporate restructuring liability	(33,730		)	(33,783		)
Convertible debt	(7,283		)	—
Unrealized gain on foreign currency	(92		)	—
Other liabilities	(362		)	(891		)
Total deferred tax liabilities	(48,400		)	(41,524		)
Net deferred tax liabilities	$	(6,991	)	$	(23,627	)

Summary of Valuation Allowance

The following table summarizes the valuation allowance activity for the periods indicated (in thousands). It has been revised to reflect the Company’s adoption of ASU 2016-16—Income Taxes: Intra-entity Transfers of Assets other than Inventory:

	Year Ended   December 31,
	2018			2017		2016
Balance as of the beginning of period	$	32,455		$	13,839	$	9,540
Additions charged to expense	—			16,743		4,886
Deletions credited to expense	(28,733		)	—		—
Currency translation	(2,049		)	1,873		(587		)
Balance as of the end of period	$	1,673		$	32,455	$	13,839

Schedule of Unrecognized Tax Benefits Activity

The following table summarizes the unrecognized tax benefit activity for the periods indicated (in thousands):

	As of December 31,
	2018			2017			2016
Balance as of the beginning of period	$	17,013		$	23,574		$	22,229
Additions based on tax positions related to the current year	921			732			1,071
Additions for tax positions of prior years	946			118			274
Reductions for tax provisions of prior years	(61		)	(7,411		)	—
Balance as of the end of period	$	18,819		$	17,013		$	23,574

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Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table presents the calculation of basic and diluted net income (loss) per share for periods presented (in thousands except share and per share amounts):

	Year Ended   December 31,
	2018			2017			2016
Numerator:
Net income (loss)	$	77,491		$	81,800		$	(29,901	)
Net income (loss) allocated to participating securities under the two-class method	(37		)	(80		)	—
Net income (loss) applicable to common stockholders—basic	77,454			81,720			(29,901		)
Dilutive effect of net income allocated to participating securities under the two-class method	37			80			—
Change in fair value of liability classified restricted stock	—			771			—
Net income (loss) applicable to common stockholders—diluted	$	77,491		$	82,571		$	(29,901	)
Denominator:
Weighted average common shares outstanding—basic (1)	120,146,076			118,538,687			113,562,738
Dilutive effect of assumed conversion of options to purchase common stock	4,238,622			2,498,448			—
Dilutive effect of assumed conversion of restricted stock units	1,721,658			1,177,799			—
Dilutive effect of assumed conversion of convertible debt	900,580			—			—
Diluted effective of assumed conversion of restricted stock from acquisition	77,849			52,739			—
Weighted average common shares outstanding—diluted	127,084,785			122,267,673			113,562,738
Net income (loss) per share applicable to common stockholders—basic	$	0.64		$	0.69		$	(0.26	)
Net income (loss) per share applicable to common stockholders—diluted	$	0.61		$	0.68		$	(0.26	)

(1) 57,482 shares of unvested stock are considered participating securities and are excluded from basic shares outstanding for the year ended December 31, 2018.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potential common shares were excluded from the calculation of diluted net income (loss) per share attributable to common stockholders because their effect would have been anti-dilutive for the periods presented:

	Year Ended   December 31,
	2018	2017	2016
Stock options	475,238	4,902,664	10,041,403
Restricted stock units	136,998	435,358	2,043,544
Warrants	—	—	33,447
Total anti-dilutive securities	612,236	5,338,022	12,118,394

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Business Combinations (Tables)

12 Months Ended

Dec. 31, 2018

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The below table summarizes the components of the Blackbird purchase price and allocation of the purchase price at fair value (in thousands):

Cash paid	$	8,050
Common shares	6,966
Total purchase consideration	$	15,016
Net working capital	$	81
Developed technology	7,200
Customer relationships	1,250
Goodwill	8,660
Deferred tax liability	(2,175		)
Net assets acquired	$	15,016

Summary of Unaudited Pro Forma Financial Information

The unaudited pro forma financial information is presented in the table below for the year ended December 31, 2016 (in thousands except per share amounts):

	Year Ended December 31,
	2016
Revenue	$	365,786
Net loss	(35,401		)
Basic and diluted net loss per share	(0.31		)

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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The following table summarizes the changes in the carrying amount of goodwill for the periods indicated (in thousands):

	Year Ended   December 31,
	2018			2017
Balance as of the beginning of the period	$	38,541		$	35,657
Foreign currency translation adjustments	(1,059		)	2,884
Balance as of the end of the period	$	37,482		$	38,541

Schedule of Finite-Lived Intangible Assets

At December 31, 2018 and 2017, the gross book value and accumulated amortization of intangible assets were as follows (in thousands):

	As of December 31, 2018							As of December 31, 2017
	Gross book value		Accumulated amortization			Net book value		Gross book value		Accumulated amortization			Net book value
Technology	$	7,200	$	(5,500	)	$	1,700	$	7,200	$	(3,100	)	$	4,100
Referral agreement	34,595		(1,874		)	32,721		—		—			—
Patent licenses	172		(4		)	168		—		—			—
Intangible assets, net	$	41,967	$	(7,378	)	$	34,589	$	7,200	$	(3,100	)	$	4,100

Schedule of Future Amortization Expense

Based on amounts recorded at December 31, 2018, the Company estimates intangible asset amortization expense in each of the years ending December 31 as follows (in thousands):

2019	$	5,178
2020	3,477
2021	3,477
2022	3,477
2023	3,477
Thereafter	15,503
Total amortization expense	$	34,589

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Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Revenue from External Customers by Geographic Areas

The following table summarizes revenue, income (loss) before income taxes and net income (loss) by geographic area (in thousands):

	Year Ended   December 31,
	2018		2017			2016
United States	$	425,841	$	317,755		$	276,537
International	177,852		123,476			88,430
Revenue	$	603,693	$	441,231		$	364,967
United States (1)	$	10,778	$	(43,014	)	$	9,123
International (2)	44,300		75,279			(11,999		)
Income (loss) before income taxes	$	55,078	$	32,265		$	(2,876	)
United States (3)	$	10,493	$	7,029		$	(17,345	)
International (2)	66,998		74,771			(12,556		)
Net income (loss)	$	77,491	$	81,800		$	(29,901	)

(1) The United States loss before income taxes in the year ended December 31, 2017 was primarily driven by a foreign exchange loss, interest associated with the build-to-suit lease accounting related to our corporate headquarters, restructuring and other exit costs, and asset impairment charges. See “Note 17—Restructuring and Other Exit Costs (Income)” and “Note 6—Goodwill and Intangible Assets” for additional information on restructuring and other exit costs and asset impairment charges.

(2) The international loss before income taxes and net loss in the year ended December 31, 2016 was primarily driven by a foreign exchange loss related to the U.S. Dollar to Euro exchange rate fluctuations on the Company's intercompany and other non-functional currency balances.

(3) The United States net loss in the year ended December 31, 2016 was primarily driven by an income tax provision recorded in the period, mainly attributable to tax expense related to the updated corporate structure. See “Note 3—Income Taxes” for additional information.

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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring

The following are the major categories of assets and liabilities measured at fair value on a recurring basis as of the dates indicated (in thousands):

	As of December 31, 2018
	Level 1		Level 2		Level 3		Total
Asset
Cash equivalents:
Commercial paper	$	—	$	7,775	$	—	$	7,775
Money market funds	244,856		—		—		244,856
	244,856		7,775		—		252,631
Short-term investments:
Commercial paper	—		147,860		—		147,860
Corporate bonds	—		46,801		—		46,801
U.S. Government and agency securities	62,641		—		—		62,641
	62,641		194,661		—		257,302
Funds receivable and seller accounts:
Money market funds	9,229		—		—		9,229
	9,229		—		—		9,229
	$	316,726	$	202,436	$	—	$	519,162

	As of December 31, 2017
	Level 1		Level 2		Level 3		Total
Asset
Cash equivalents:
Commercial paper	$	—	$	11,290	$	—	$	11,290
Money market funds	204,867		—		—		204,867
U.S. Government and agency securities	24,989		—		—		24,989
	229,856		11,290		—		241,146
Short-term investments:
Commercial paper	—		2,998		—		2,998
Corporate bonds	—		12,748		—		12,748
U.S. Government and agency securities	9,362		—		—		9,362
	9,362		15,746		—		25,108
Funds receivable and seller accounts:
Money market funds	14,144		—		—		14,144
	14,144		—		—		14,144
	$	253,362	$	27,036	$	—	$	280,398

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Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Summary of Cost and Fair Value of Available-For-Sale Securities

The cost and fair value of available-for-sale securities were as follows as of the dates indicated (in thousands):

	Cost		Gross Unrealized Holding Loss			Gross Unrealized Holding Gain		Fair Value
December 31, 2018
Cash equivalents:
Commercial paper	$	7,775	$	—		$	—	$	7,775
	7,775		—			—		7,775
Short-term investments:
Commercial paper	147,860		—			—		147,860
Corporate bonds	46,836		(35		)	—		46,801
U.S. Government and agency securities	62,638		(9		)	12		62,641
	257,334		(44		)	12		257,302
	$	265,109	$	(44	)	$	12	$	265,077
December 31, 2017
Cash equivalents:
Commercial paper	$	11,290	$	—		$	—	$	11,290
U.S. Government and agency securities	24,990		(1		)	—		24,989
	36,280		(1		)	—		36,279
Short-term investments:
Commercial paper	2,998		—			—		2,998
Corporate bonds	12,754		(6		)	—		12,748
U.S. Government and agency securities	9,352		(1		)	11		9,362
	25,104		(7		)	11		25,108
	$	61,384	$	(8	)	$	11	$	61,387

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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consisted of the following as of the dates indicated (in thousands):

		As of December 31,
	Estimated useful lives	2018		2017
Computer equipment	3 years	$	36,670	$	35,587
Furniture and equipment	2 - 4 years	6,574		6,194
Software	1 - 3 years	—		908
Leasehold improvements	Shorter of life of asset or lease term	10,731		10,929
Construction in progress	Not applicable	551		—
Building	25 years	81,892		81,892
Website development and internal-use software	Shorter of life of asset or contract term	69,201		48,333
		205,619		183,843
Less: Accumulated depreciation and amortization		85,440		66,226
		$	120,179	$	117,617

Schedule of Capitalized Software Development

The following table summarizes capitalized website development and internal-use software activities during the periods indicated (in thousands):

	Year Ended   December 31,
	2018		2017
Balance as of the beginning of the period	$	48,333	$	43,294
Additions to website development, excluding stock-based compensation	19,816		10,028
Additions to website development—stock-based compensation	2,252		807
Less: Retirements	1,200		625
Less: Impairments	—		5,171
	69,201		48,333
Less:
Accumulated amortization balance as of the beginning of the period	29,991		24,155
Amortization Expense	9,519		8,209
Less: Retirements	1,092		364
Less: Impairments	—		2,009
Accumulated amortization balance as of the end of the period	38,418		29,991
	$	30,783	$	18,342

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Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses consisted of the following as of the dates indicated (in thousands):

	As of December 31,
	2018		2017
Vendor accruals	$	17,817	$	14,576
Accrued bonus	12,906		4,364
Sales and use tax payable	12,232		3,682
Accrued vacation	3,787		3,136
Payroll-related liabilities	2,406		2,920
Other	10		65
Total accrued expenses	$	49,158	$	28,743

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments Under Current Capital, Operating and Build-to-Suit Lease Agreements

The following table represents the Company’s commitments under its current capital, operating and build-to-suit lease agreements and purchase obligations as of December 31, 2018 (in thousands):

	Capital Lease Obligations		Operating Leases		Build-to-Suit Lease		Purchase Obligations
Periods ending
2019	$	4,392	$	4,904	$	9,451	$	10,696
2020	1,754		4,783		9,522		17,374
2021	481		4,185		10,354		16,000
2022	—		4,180		10,520		17,000
2023	—		4,205		10,599		—
Thereafter	—		9,760		27,715		—
Total minimum payments required	$	6,627	$	32,017	$	78,161	$	61,070
Amounts representing interest	648
Present value of net minimum payments	5,979
Current maturities	3,884
Long-term payment obligations	$	2,095

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Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Activity of Shares Repurchased and Retired

The following table summarizes the Company’s share repurchase activity, excluding shares withheld to satisfy tax withholding obligations in connection with the vesting of employee restricted stock units (in thousands except share and per share amounts):

	Shares Repurchased	Average Price Paid per Share (1)		Value of Shares Repurchased		Remaining Amount Authorized
New Authorization on November 17, 2017 of $100 million	—	$	—	$	—	$	100,000
Repurchases of common stock for the three months ended:
December 31, 2017	586,231	17.57		10,301		(10,301		)
Balance as of December 31, 2017	586,231	$	17.57	$	10,301	$	89,699
Repurchases of common stock for the three months ended:
March 31, 2018	2,807,393	24.43		68,586		(68,586		)
June 30, 2018	722,941	29.15		21,113		(21,113		)
September 30, 2018	—	—		—		—
New Authorization on November 1, 2018 of $200 million	—	—		—		200,000
Repurchases of common stock for the three months ended:
December 31, 2018	916,083	49.11		45,000		(45,000		)
Balance as of December 31, 2018	5,032,648	$	28.80	$	145,000	$	155,000

(1) Average price paid per share excludes broker commissions.

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Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of options granted in each year using the Black-Scholes pricing model has been based on the following assumptions:

	Year Ended   December 31,
	2018	2017	2016
Volatility	38.6% - 47.8%	41.7% - 44.2%	38.6% - 44.6%
Risk-free interest rate	2.6% - 2.9%	1.9% - 2.2%	1.1% - 2.1%
Expected term (in years)	5.5 - 6.3	5.5 - 6.3	5.5 - 6.3
Dividend rate	—%	—%	—%

Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes the activity for the Company’s options (in thousands except share and per share amounts):

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contract Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2015	11,068,859		$	6.94	7.01	$	31,932
Granted	1,700,234		9.35
Exercised	(2,535,620	)	4.17
Forfeited/Canceled	(893,906	)	9.51
Outstanding at December 31, 2016	9,339,567		7.89		6.64	43,613
Granted	5,887,183		11.04
Exercised	(5,760,263	)	5.87
Forfeited/Canceled	(1,518,548	)	11.36
Outstanding at December 31, 2017	7,947,939		11.02		7.93	74,996
Granted	797,201		29.87
Exercised	(1,588,779	)	11.49
Forfeited/Canceled	(265,367	)	15.68
Outstanding at December 31, 2018	6,890,994		12.91		7.94	239,177
Total exercisable at December 31, 2018	3,032,251		10.94		7.28	111,071

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value

The following table summarizes the weighted-average grant date fair value of options granted, intrinsic value of options exercised and fair value of awards vested in periods indicated (in thousands except per share amounts):

	Year Ended December 31,
	2018		2017		2016
Weighted average grant date fair value of options granted	$	13.33	$	4.85	$	4.03
Intrinsic value of options exercised	34,268		52,693		19,130
Fair value of awards vested	32,717		19,826		9,533

Summary of the Activity of Unvested RSUs

The following table summarizes the activity for the Company’s unvested RSUs:

	Shares		Weighted-Average Fair Value
Unvested at December 31, 2015	395,846		$	13.70
Granted	3,200,297		10.29
Vested	(255,868	)	10.64
Forfeited/Canceled	(205,094	)	10.15
Unvested at December 31, 2016	3,135,181		10.70
Granted	2,360,315		12.17
Vested	(1,072,321	)	10.44
Forfeited/Canceled	(1,348,928	)	10.56
Unvested at December 31, 2017	3,074,247		11.98
Granted	2,448,169		28.22
Vested	(1,496,906	)	13.80
Forfeited/Canceled	(545,142	)	18.47
Unvested at December 31, 2018	3,480,368		22.87

Schedule of Share-based Compensation, Allocation of Recognized Period Costs

Total stock-based compensation expense included in the Consolidated Statements of Operations is as follows (in thousands):

	Year Ended   December 31,
	2018		2017		2016
Cost of revenue	$	3,357	$	1,739	$	1,057
Marketing	2,507		1,933		971
Product development	21,234		8,274		5,079
General and administrative	11,133		14,613		8,794
Total stock-based compensation expense	$	38,231	$	26,559	$	15,901

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Restructuring and Other Exit Costs (Income) (Tables)

12 Months Ended

Dec. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost

The following table displays restructuring and other exit costs (income) recorded related to the Actions and a rollforward of the charges to the accrued expenses balance as of December 31, 2018 (in thousands):

	Severance Charge			Stock-Based Compensation			Other Exit Costs			Total
Balance, December 31, 2016	$	—		$	—		$	—		$	—
Total restructuring and other exit costs	8,972			1,668			620			11,260
Costs charged against equity/assets	—			(1,668		)	—			(1,668		)
Cash payments	(2,110		)	—			(278		)	(2,388		)
Balance, June 30, 2017	6,862			—			342			7,204
Total restructuring and other exit costs	871			965			(70		)	1,766
Costs charged against equity/assets	—			(965		)	—			(965		)
Cash payments	(4,385		)	—			(180		)	(4,565		)
Balance, September 30, 2017	3,348			—			92			3,440
Total restructuring and other exit costs	361			68			442			871
Costs charged against equity/assets	—			(68		)	(286		)	(354		)
Cash payments	(2,401		)	—			(214		)	(2,615		)
Balance, December 31, 2017	1,308			—			34			1,342
Total restructuring and other exit costs (income)	(156		)	—			5			(151		)
Cash payments	(793		)	—			—			(793		)
Balance, March 31, 2018	359			—			39			398
Total restructuring and other exit costs (income)	(43		)	—			2			(41		)
Cash payments	(271		)	—			(16		)	(287		)
Balance, June 30, 2018	45			—			25			70
Total restructuring and other exit costs (income)	(45		)	—			(12		)	(57		)
Cash payments	—			—			(13		)	(13		)
Balance, September 30, 2018	—			—			—			—
Balance, December 31, 2018	$	—		$	—		$	—		$	—

Restructuring and Related Costs

Total restructuring and other exit costs (income) included in the Consolidated Statements of Operations are as follows (in thousands):

	Year Ended   December 31,
	2018			2017		2016
Cost of revenue	$	(19	)	$	738	$	—
Marketing	(82		)	2,950		—
Product development	(110		)	3,232		—
General and administrative	(38		)	6,977		—
Total restructuring and other exit costs (income)	$	(249	)	$	13,897	$	—

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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended	6 Months Ended			9 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) $ / shares	Dec. 31, 2018 USD ($)	Jul. 15, 2018	Jun. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) credit reportable_segment operating_segment	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred tax assets		$ 23,464,000				$ 23,464,000	$ 159,000
Other assets		507,000				507,000	561,000
Restricted cash		5,341,000				5,341,000	5,341,000	$ 5,341,000	$ 5,341,000
Net cash provided by operating activities						198,925,000	69,101,000	47,964,000
Net cash provided by (used in) financing activities						144,006,000	6,555,000	(524,000)
Effect of exchange rate changes on cash						(5,995,000)	(3,642,000)	(1,662,000)
Increase (decrease) in deferred income taxes						22,414,000	49,535,000	(9,969,000)
Income (loss) before income taxes						55,078,000	32,265,000	(2,876,000)
Net income (loss)						77,491,000	81,800,000	(29,901,000)
Asset impairment charges						0	3,162,000	551,000
Advertising expense						$ 129,100,000	78,400,000	55,500,000
Number of operating segments | operating_segment						1
Number of reportable segments | reportable_segment						1
Impairment of Intangible Assets (Excluding Goodwill)						$ 0	0	600,000
Goodwill impairment						$ 0	0	0
Intangible asset, useful life						3 years
Facility financing obligation		$ 59,991,000				$ 59,991,000	60,049,000
Software | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated useful lives						3 years
Software | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated useful lives						5 years
Marketplace Revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Listing fee per item (usd per item)						$ 0.20
Fee for each completed transaction, percent		5.00%	3.50%
Period over which listing fee is recognized						4 months
Marketplace Revenue | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Direct checkout fees, percent						3.00%
Foreign currency transaction fees, percent						2.50%
Marketplace Revenue | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Direct checkout fees, percent						4.50%
Foreign currency transaction fees, percent						5.00%
Pattern
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Subscription fee per month						$ 15
Etsy Plus
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Subscription fee per month						$ 10
Subscription period						30 days
Promoted listing credits						$ 5
Number of free listing credits per month | credit						15
Convertible Senior Notes due 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Interest rate percentage	0.00%
Convertible Debt | Convertible Senior Notes due 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion price | $ / shares	$ 36.27
Referral agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intangible asset, useful life						10 years
Restatement Adjustment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred tax assets							200,000
Other assets							(200,000)
Increase (decrease) in other operating assets and liabilities, net							1,600,000	7,800,000
Net cash provided by operating activities	$ (300,000)			$ 300,000	$ (300,000)		1,700,000	(2,000,000)
Net cash provided by (used in) financing activities	(2,700,000)			1,000,000	4,000,000		3,100,000	(3,100,000)
Effect of exchange rate changes on cash	$ 3,000,000			$ (1,300,000)	$ (3,700,000)		(4,800,000)	5,100,000
Increase (decrease) in deferred income taxes							1,600,000	7,800,000
Income (loss) before income taxes						$ 1,500,000
Net income (loss)						$ (1,300,000)
Restatement Adjustment | Accounting Standards Update 2016-18
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted cash							5,300,000	5,300,000
Restatement Adjustment | Marketplace Revenue | Accounting Standards Update 2014-09
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Revenue							$ 146,600,000	$ 111,400,000

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Basis of Presentation and Summary of Significant Accounting Policies - Cash, Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 366,985	$ 315,442	$ 181,592	$ 271,244
Short-term investments	257,302	25,108
Total cash, cash equivalents, and short-term investments	$ 624,287	$ 340,550

XML

Basis of Presentation and Summary of Significant Accounting Policies - Summary of Allowance Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance as of the beginning of period	$ 2,687	$ 1,999	$ 2,071
Bad debt expense	4,124	2,497	1,770
Write-offs, net of recoveries and other adjustments	(2,091)	(1,809)	(1,842)
Balance as of the end of period	$ 4,720	$ 2,687	$ 1,999

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Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 366,985	$ 315,442	$ 181,592	$ 271,244
Restricted cash	5,341	5,341	5,341	5,341
Total cash, cash equivalents, and restricted cash	$ 372,326	$ 320,783	$ 186,933	$ 276,585

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Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation of Revenue [Line Items]
Revenues	$ 603,693	$ 441,231	$ 364,967
Marketplace
Disaggregation of Revenue [Line Items]
Revenues	440,740	326,076	269,628
Services
Disaggregation of Revenue [Line Items]
Revenues	158,928	111,869	89,433
Other
Disaggregation of Revenue [Line Items]
Revenues	$ 4,025	$ 3,286	$ 5,906

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Revenue - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Revenue from External Customer [Line Items]
Revenue recognized in the period	$ (6.3)
Marketplace Revenue
Revenue from External Customer [Line Items]
Listing fee, term	4 months

XML

Income Taxes - Domestic and Foreign Components of (Loss) Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Domestic	$ 36,157	$ (16,583)	$ 25,910
Foreign	18,921	48,848	(28,786)
Income (loss) before income taxes	$ 55,078	$ 32,265	$ (2,876)

XML

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jan. 31, 2015
Income Tax Contingency [Line Items]
Alternative minimum tax credit	$ 274	$ 274
Research and development credit carryforwards	7,567	3,597
Deferred tax assets, more likely than not to be utilized	23,400
Valuation allowance	1,673	32,455
Deferred tax assets considered realizable	41,409	17,897
Unrecognized tax benefits	18,819	17,013	$ 23,574	$ 22,229
Unrecognized tax benefits that would impact effective tax rate favorably	18,800
Income tax penalties and interest expense	300
Income tax penalties and interest accrued	500	200
Deferred tax liability for gain in revised corporate structure transaction	33,730	33,783
U.S. tax reform	3,897	(31,063)	0
Excess tax benefit	12,000	12,800
Global Corporate Structure
Income Tax Contingency [Line Items]
Deferred tax liability for gain in revised corporate structure transaction					$ 66,000
Additional Paid-in Capital
Income Tax Contingency [Line Items]
Excess tax deductions on share-based compensation			$ 3,200
Internal Revenue Service (IRS)
Income Tax Contingency [Line Items]
Research and development credit carryforwards	$ 7,600	3,600
Restatement Adjustment
Income Tax Contingency [Line Items]
Intra-entity transfer, asset other than inventory		$ 21,400

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Income Taxes - Income Tax (Benefit) Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current:
Federal	$ 709	$ (6,397)	$ 22,084
State	(578)	79	2,623
Foreign	600	476	580
Total current	731	(5,842)	25,287
Deferred:
Federal	(3,343)	(34,948)	2,008
State	3,496	(8,778)	(247)
Foreign	(23,297)	33	(23)
Total deferred	(23,144)	(43,693)	1,738
Total income tax (benefit) provision	$ (22,413)	$ (49,535)	$ 27,025

XML

Income Taxes - Reconciliation of the Income Tax (Benefit) Provision at the U.S. Federal Statutory Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax provision (benefit) at federal statutory rate	$ 11,566	$ 11,308	$ (1,007)
State and local taxes net of federal benefit	3,839	(691)	1,545
Foreign income tax rate differential	(298)	(11,878)	5,849
Stock-based compensation	(11,717)	(12,584)	1,412
Non-deductible items	(329)	168	267
Uncertain tax positions	382	789	4,033
Return to provision adjustment	3,293	167	(498)
Non-deductible acquisition costs	0	0	199
Change in valuation allowance	(28,733)	(4,673)	4,911
Research and development credit	(4,115)	(1,098)	(2,170)
Deferred charge on restructuring	0	0	12,168
U.S. tax reform	3,897	(31,063)	0
Other	(198)	20	316
Total income tax (benefit) provision	$ (22,413)	$ (49,535)	$ 27,025

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Income Taxes - Significant Component of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Net operating loss carryforwards	$ 13,347	$ 24,625
Amortization of acquired intangibles	12,109	15,631
Research and development credit carryforwards	7,567	3,597
Stock-based compensation expense	6,623	3,776
Accrued VAT liability	43	42
Alternative minimum tax credit	274	274
Allowance for doubtful accounts	545	384
Deferred rent	529	573
Accrued vacation	744	623
Unrealized loss on foreign currency	0	527
Other, net	1,301	300
Total deferred tax assets	43,082	50,352
Less valuation allowance	1,673	32,455
Total net deferred tax asset	41,409	17,897
Deferred tax liabilities:
Depreciation	(6,933)	(6,850)
Global corporate restructuring liability	(33,730)	(33,783)
Convertible debt	(7,283)	0
Unrealized gain on foreign currency	(92)	0
Other liabilities	(362)	(891)
Total deferred tax liabilities	(48,400)	(41,524)
Net deferred tax liabilities	$ (6,991)	$ (23,627)

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Income Taxes - Summary of Valuation Allowance Activity (Details) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance as of the beginning of period	$ 32,455	$ 13,839	$ 9,540
Additions charged to expense	0	16,743	4,886
Deletions credited to expense	(28,733)	0	0
Currency translation	(2,049)	1,873	(587)
Balance as of the end of period	$ 1,673	$ 32,455	$ 13,839

XML

Income Taxes - Summary of Unrecognized Tax Benefits Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance as of the beginning of period	$ 17,013	$ 23,574	$ 22,229
Additions based on tax positions related to the current year	921	732	1,071
Additions for tax positions of prior years	946	118	274
Reductions for tax provisions of prior years	(61)	(7,411)	0
Balance as of the end of period	$ 18,819	$ 17,013	$ 23,574

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Net Income (Loss) Per Share - Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Numerator:
Net income (loss)	$ 77,491	$ 81,800	$ (29,901)
Net income (loss) allocated to participating securities under the two-class method	(37)	(80)	0
Net income (loss) applicable to common stockholders—basic	77,454	81,720	(29,901)
Dilutive effect of net income allocated to participating securities under the two-class method	37	80	0
Change in fair value of liability classified restricted stock	0	771	0
Net income (loss) applicable to common stockholders—diluted	$ 77,491	$ 82,571	$ (29,901)
Denominator:
Weighted average common shares outstanding—basic (in shares)	120,146,076	118,538,687	113,562,738
Weighted average common shares outstanding—diluted (in shares)	127,084,785	122,267,673	113,562,738
Net income (loss) per share applicable to common stockholders—basic (in shares)	$ 0.64	$ 0.69	$ (0.26)
Net income (loss) per share applicable to common stockholders—diluted (in shares)	$ 0.61	$ 0.68	$ (0.26)
Anti-dilutive securities excluded from computation of earnings per share (in shares)	612,236	5,338,022	12,118,394
Common Stock
Denominator:
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)	4,238,622	2,498,448	0
Restricted stock units
Denominator:
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)	1,721,658	1,177,799	0
Convertible Debt Securities
Denominator:
Dilutive effect of assumed conversion of convertible debt	900,580	0	0
Restricted Stock
Denominator:
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)	77,849	52,739	0
Participating Securities
Denominator:
Anti-dilutive securities excluded from computation of earnings per share (in shares)	57,482

XML

Net Income (Loss) Per Share - Summary of Shares Excluded from the Calculation of Diluted Net Loss Per Share (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (in shares)	612,236	5,338,022	12,118,394
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (in shares)	475,238	4,902,664	10,041,403
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (in shares)	136,998	435,358	2,043,544
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from computation of earnings per share (in shares)	0	0	33,447

XML

Business Combinations - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 19, 2016	Dec. 31, 2018	Dec. 31, 2016
Business Acquisition [Line Items]
Intangible asset, useful life		3 years
Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Consideration transfered and post combination	$ 32,500
Total purchase consideration	15,016
Cash paid	$ 8,050
Stock issued during period, issued for services (in shares)	184,230
Stock issued during period, value, issued for services	$ 2,500
Vesting period	3 years
Post combination compensation	$ 8,800
Cash and equivalents acquired	200
Finite-lived intangibles	$ 8,450
Loss of acquirees since acquisition date			$ (2,400)
Common Stock | Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Number of shares issued for business acquisition (in shares)	513,304
Equity interest value assigned	$ 6,900
Developed Technology | Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Finite-lived intangibles	$ 7,200
Intangible asset, useful life	3 years
Customer relationships | Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Finite-lived intangibles	$ 1,250
Intangible asset, useful life	6 months
General and administrative | Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Acquisition related costs			$ 600
Restricted stock units
Business Acquisition [Line Items]
Vesting period		4 years
Restricted stock units | Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Post combination, number of shares issuable (in shares)	460,575
Post combination, fair value of shares issuable	$ 6,200

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Business Combinations - Components of the Purchase Price Allocation (Details) - USD ($) $ in Thousands	Sep. 19, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill		$ 37,482	$ 38,541	$ 35,657
Blackbird Technologies, Inc.
Business Acquisition [Line Items]
Cash paid	$ 8,050
Total purchase consideration	15,016
Net working capital	81
Finite-lived intangibles	8,450
Goodwill	8,660
Deferred tax liability	(2,175)
Net assets acquired	15,016
Blackbird Technologies, Inc. | Developed Technology
Business Acquisition [Line Items]
Finite-lived intangibles	7,200
Blackbird Technologies, Inc. | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles	1,250
Blackbird Technologies, Inc. | Common Stock
Business Acquisition [Line Items]
Common shares	$ 6,966

XML

Business Combinations - Summary of Unaudited Pro Forma Financial Information (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) $ / shares
Business Combinations [Abstract]
Revenue	$ 365,786
Net loss	$ (35,401)
Basic and diluted net (loss) income per share (in dollars per share) | $ / shares	$ (0.31)

XML

Goodwill and Intangible Assets - Summary of Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Balance as of the beginning of the period	$ 38,541	$ 35,657
Foreign currency translation adjustments	(1,059)	2,884
Balance as of the end of the period	$ 37,482	$ 38,541

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Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross book value	$ 41,967	$ 7,200
Accumulated amortization	(7,378)	(3,100)
Total amortization expense	34,589	4,100
Technology
Finite-Lived Intangible Assets [Line Items]
Gross book value	7,200	7,200
Accumulated amortization	(5,500)	(3,100)
Total amortization expense	1,700	4,100
Referral agreement
Finite-Lived Intangible Assets [Line Items]
Gross book value	34,595	0
Accumulated amortization	(1,874)	0
Total amortization expense	32,721	0
Patent licenses
Finite-Lived Intangible Assets [Line Items]
Gross book value	172	0
Accumulated amortization	(4)	0
Total amortization expense	$ 168	$ 0

XML

Goodwill and Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Sep. 19, 2016
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	3 years
Amortization expense of intangible assets	$ 4,300,000	$ 3,400,000	$ 3,300,000
Impairment of intangible assets	0	0	600,000
Goodwill impairment	$ 0	$ 0	$ 0
Referral agreement
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	10 years
Blackbird Technologies, Inc.
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles				$ 8,450,000

XML

Goodwill and Intangible Assets - Summary of Future Amortization Expense for Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
2019	$ 5,178
2020	3,477
2021	3,477
2022	3,477
2023	3,477
Thereafter	15,503
Total amortization expense	$ 34,589	$ 4,100

XML

Segment and Geographic Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) reportable_segment operating_segment	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | reportable_segment	1
Number of operating segments | operating_segment	1
Revenue, Major Customer [Line Items]
Revenue	$ 603,693	$ 441,231	$ 364,967
Income (loss) before income taxes	55,078	32,265	(2,876)
Net income (loss)	77,491	81,800	(29,901)
United States
Revenue, Major Customer [Line Items]
Revenue	425,841	317,755	276,537
Income (loss) before income taxes	10,778	(43,014)	9,123
Net income (loss)	10,493	7,029	(17,345)
International
Revenue, Major Customer [Line Items]
Revenue	177,852	123,476	88,430
Income (loss) before income taxes	44,300	75,279	(11,999)
Net income (loss)	$ 66,998	$ 74,771	$ (12,556)

XML

Fair Value Measurements - Schedule of Major Categories of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 252,631	$ 241,146
Short-term investments	257,302	25,108
Receivables	9,229	14,144
Asset	519,162	280,398
Recurring | Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	7,775	11,290
Short-term investments	147,860	2,998
Recurring | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	244,856	204,867
Receivables	9,229
Recurring | U.S. Government bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents		24,989
Recurring | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	46,801	12,748
Recurring | U.S. Government and agency bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	62,641	9,362
Level 1 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	244,856	229,856
Short-term investments	62,641	9,362
Receivables	9,229	14,144
Asset	316,726	253,362
Level 1 | Recurring | Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Level 1 | Recurring | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	244,856	204,867
Receivables	9,229
Level 1 | Recurring | U.S. Government bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents		24,989
Level 1 | Recurring | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 1 | Recurring | U.S. Government and agency bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	62,641	9,362
Level 2 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	7,775	11,290
Short-term investments	194,661	15,746
Receivables	0	0
Asset	202,436	27,036
Level 2 | Recurring | Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	7,775	11,290
Short-term investments	147,860	2,998
Level 2 | Recurring | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Receivables	0
Level 2 | Recurring | U.S. Government bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents		0
Level 2 | Recurring | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	46,801	12,748
Level 2 | Recurring | U.S. Government and agency bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 3 | Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Receivables	0	0
Asset	0	0
Level 3 | Recurring | Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Level 3 | Recurring | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Receivables	0
Level 3 | Recurring | U.S. Government bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents		0
Level 3 | Recurring | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Level 3 | Recurring | U.S. Government and agency bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	$ 0
Convertible Senior Notes due 2023 | Reported Value Measurement | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	$ 279,100

XML

Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Cost	$ 265,109	$ 61,384
Gross Unrealized Holding Loss	(44)	(8)
Gross Unrealized Holding Gain	12	11
Fair Value	265,077	61,387
Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Cost	7,775	36,280
Gross Unrealized Holding Loss	0	(1)
Gross Unrealized Holding Gain	0	0
Fair Value	7,775	36,279
Cash Equivalents | Commercial paper
Debt Securities, Available-for-sale [Line Items]
Cost	7,775	11,290
Gross Unrealized Holding Loss	0	0
Gross Unrealized Holding Gain	0	0
Fair Value	7,775	11,290
Cash Equivalents | U.S. Government and agency bills
Debt Securities, Available-for-sale [Line Items]
Cost		24,990
Gross Unrealized Holding Loss		(1)
Gross Unrealized Holding Gain		0
Fair Value		24,989
Short-term Investments
Debt Securities, Available-for-sale [Line Items]
Cost	257,334	25,104
Gross Unrealized Holding Loss	(44)	(7)
Gross Unrealized Holding Gain	12	11
Fair Value	257,302	25,108
Short-term Investments | Commercial paper
Debt Securities, Available-for-sale [Line Items]
Cost	147,860	2,998
Gross Unrealized Holding Loss	0	0
Gross Unrealized Holding Gain	0	0
Fair Value	147,860	2,998
Short-term Investments | Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Cost	46,836	12,754
Gross Unrealized Holding Loss	(35)	(6)
Gross Unrealized Holding Gain	0	0
Fair Value	46,801	12,748
Short-term Investments | U.S. Government and agency bills
Debt Securities, Available-for-sale [Line Items]
Cost	62,638	9,352
Gross Unrealized Holding Loss	(9)	(1)
Gross Unrealized Holding Gain	12	11
Fair Value	$ 62,641	$ 9,362

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Warrants - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	May 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Warrants
Class of Stock [Line Items]
Net unrealized gain (loss) on warrant and other liabilities		$ 0.0	$ 0.0	$ 0.0
Common Stock
Class of Stock [Line Items]
Warrants exercised in period net of forfeitures (in shares)	80,011			80,011
Exercise of warrants (in shares)	97,931
Exercise price of warrant (in dollars per share)	$ 1.62
Share price (in dollars per share)	$ 8.88
Warrants forfeited (in shares)	17,920

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Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 205,619	$ 183,843
Less: Accumulated depreciation and amortization	85,440	66,226
Property and equipment, net	$ 120,179	117,617
Computer equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Property and equipment, gross	$ 36,670	35,587
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,574	6,194
Furniture and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	2 years
Furniture and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	4 years
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 0	908
Software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	1 year
Software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 10,731	10,929
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 551	0
Building
Property, Plant and Equipment [Line Items]
Estimated useful lives	25 years
Property and equipment, gross	$ 81,892	81,892
Website development and internal-use software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	69,201	48,333	$ 43,294
Less: Accumulated depreciation and amortization	38,418	29,991	$ 24,155
Property and equipment, net	$ 30,783	$ 18,342

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Property and Equipment - Summary of Capitalized Website Development and Internal-Use Software Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Movement in Capitalized Computer Software, Net [Roll Forward]
Balance as of the beginning of the period	$ 183,843
Balance as of the end of the period	205,619	$ 183,843
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward]
Accumulated amortization balance as of the beginning of the period	66,226
Accumulated amortization balance as of the end of the period	85,440	66,226
Property and equipment, net	120,179	117,617
Website development and internal-use software
Movement in Capitalized Computer Software, Net [Roll Forward]
Balance as of the beginning of the period	48,333	43,294
Additions to website development, excluding stock-based compensation	19,816	10,028
Additions to website development—stock-based compensation	2,252	807
Less: Retirements	1,200	625
Less: Impairments	0	5,171
Balance as of the end of the period	69,201	48,333	$ 43,294
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward]
Accumulated amortization balance as of the beginning of the period	29,991	24,155
Amortization Expense	9,519	8,209	6,300
Less: Retirements	1,092	364
Less: Impairments	0	2,009
Accumulated amortization balance as of the end of the period	38,418	29,991	$ 24,155
Property and equipment, net	$ 30,783	$ 18,342

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Property and Equipment - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Depreciation	$ 22,400	$ 23,800	$ 19,200
Amortization expense for equipment acquired under capital leases	5,900	7,700	6,300
Gross balance of leased equipment	29,700	27,700
Accumulated amortization of equipment under capital leases	24,400	18,600
Website development and internal-use software
Property, Plant and Equipment [Line Items]
Amortization Expense	9,519	8,209	6,300
Loss on write-off of retired website development and internal-use software	$ 100	300	$ 900
Impairment loss		$ 3,200

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Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Vendor accruals	$ 17,817	$ 14,576
Accrued bonus	12,906	4,364
Sales and use tax payable	12,232	3,682
Accrued vacation	3,787	3,136
Payroll-related liabilities	2,406	2,920
Other	10	65
Total accrued expenses	$ 49,158	$ 28,743

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Debt (Details) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) day $ / shares	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Non-cash interest expense		$ 10,968	$ 3,117	$ 5,337
Unamortized debt issuance expense		6,700
Purchase of capped call		$ 34,224	$ 0	$ 0
Derivative cap price (in dollars per share) | $ / shares		$ 52.76
Cap premium percentage over reported sales price		100.00%
Convertible Senior Notes due 2023
Debt Instrument [Line Items]
Interest rate percentage	0.00%
Convertible Senior Notes due 2023 | Convertible Debt
Debt Instrument [Line Items]
Debt instrument	$ 345,000
Proceeds from issuance of convertible senior notes	$ 335,000
Conversion ratio	27.5691
Conversion price | $ / shares	$ 36.27
Redemption price, percentage	100.00%
If-converted value in excess of principal		$ 107,500
If-converted value in excess of principal offset by capped call transaction		452,500
Carrying amount of equity component		72,800
Non-cash interest expense		12,200
Debt Instrument, Redemption, Period One | Convertible Senior Notes due 2023 | Convertible Debt
Debt Instrument [Line Items]
Threshold trading days | day	20
Threshold consecutive trading days | day	30
Threshold percentage of stock price trigger	130.00%
Debt Instrument, Redemption, Period Two | Convertible Senior Notes due 2023 | Convertible Debt
Debt Instrument [Line Items]
Threshold consecutive trading days | day	10
Threshold percentage of stock price trigger	98.00%
Level 2 | Reported Value Measurement | Convertible Senior Notes due 2023
Debt Instrument [Line Items]
Long-term debt, fair value		$ 279,100

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Debt - Credit Agreement (Details) - Revolving Credit Facility - USD ($)	Mar. 31, 2015	May 31, 2014
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity	$ 50,000,000	$ 35,000,000
Letter of Credit
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity		10,000,000
Bridge Loan
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity		$ 15,000,000

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Debt - Subsequent Event (Details) - Subsequent Event - Credit Agreement	Feb. 25, 2019 USD ($)
Line of Credit Facility [Line Items]
Maximum required secured net leverage ratio	300.00%
Maximum required secured net leverage ratio, certain material acquisitions	350.00%
Minimum required interest coverage ratio	250.00%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	$ 200,000,000.0
Maximum unrestricted cash	100,000,000
Contingent right to increase maximum borrowing capacity amount	100,000,000
Line of credit facility, amount outstanding	0
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	30,000,000
Bridge Loan
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	$ 10,000,000
Federal Funds Effective Swap Rate | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Minimum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Commitment fee amount	0.20%
Minimum | One-Month London Interbank Offered Rate (LIBOR) Plus 1% | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.25%
Minimum | London Interbank Offered Rate (LIBOR), Adjusted | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.25%
Maximum | Revolving Credit Facility
Line of Credit Facility [Line Items]
Commitment fee amount	0.35%
Maximum | One-Month London Interbank Offered Rate (LIBOR) Plus 1% | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.875%
Maximum | London Interbank Offered Rate (LIBOR), Adjusted | Revolving Credit Facility
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.875%

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Commitments and Contingencies - Additional Information (Details) ft² in Thousands	1 Months Ended	12 Months Ended
	May 31, 2014 ft²	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2018 USD ($)	Feb. 17, 2017 USD ($)	Dec. 31, 2015 USD ($)	Jan. 03, 2014 USD ($)
Loss Contingencies [Line Items]
Gross balance of leased equipment		$ 29,700,000	$ 27,700,000
Capital leases, interest expense		1,000,000	1,600,000	$ 1,600,000
Operating leases, rent expense		3,800,000	4,100,000	6,000,000
Collateral account		5,341,000	5,341,000	$ 5,341,000			$ 5,341,000
Purchase obligation		61,070,000
Non-income Tax Obligations
Loss Contingencies [Line Items]
Non-income tax obligation reserve		$ 900,000	400,000
Capital Lease Obligations | Dell Financial Services, LLC
Loss Contingencies [Line Items]
Line of credit, maximum borrowing capacity			$ 9,000,000.0			$ 6,000,000.0
Term of lease		36 months
Buyout option		$ 1
Interest rate percentage		0.00%
Capital Lease Obligations | ePlus Group, Inc
Loss Contingencies [Line Items]
Line of credit, maximum borrowing capacity							$ 18,000,000.0	$ 8,000,000.0
Term of lease		36 months
Buyout option		$ 1
Office Building
Loss Contingencies [Line Items]
Build-to-suit leases, term of contract	10 years
Area of real estate property | ft²	199
Office Building | Build-to-Suit Lease
Loss Contingencies [Line Items]
Area of real estate property | ft²	172
Collateral account		5,300,000
Office Building | Operating Lease
Loss Contingencies [Line Items]
Area of real estate property | ft²	27
Computer Equipment | Dell Financial Services, LLC
Loss Contingencies [Line Items]
Gross balance of leased equipment		2,900,000
Computer Equipment | ePlus Group, Inc
Loss Contingencies [Line Items]
Gross balance of leased equipment		$ 3,100,000
Minimum | Capital Lease Obligations | ePlus Group, Inc
Loss Contingencies [Line Items]
Interest rate percentage		3.71%
Maximum | Capital Lease Obligations | ePlus Group, Inc
Loss Contingencies [Line Items]
Interest rate percentage		6.93%
Convertible Senior Notes due 2023
Loss Contingencies [Line Items]
Interest rate percentage					0.00%
Convertible Senior Notes due 2023 | Convertible Debt
Loss Contingencies [Line Items]
Debt instrument					$ 345,000,000

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Commitments and Contingencies - Summary of Lease Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Capital Lease Obligations
2019	$ 4,392
2020	1,754
2021	481
2022	0
2023	0
Thereafter	0
Capital Leases, Future Minimum Payments Due	6,627
Amounts representing interest	648
Present value of net minimum payments	5,979
Current maturities	3,884	$ 5,798
Long-term payment obligations	2,095	$ 4,115
Operating Leases
2019	4,904
2020	4,783
2021	4,185
2022	4,180
2023	4,205
Thereafter	9,760
Operating Leases, Future Minimum Payments Due	32,017
Build-to-Suit Lease
2019	9,451
2020	9,522
2021	10,354
2022	10,520
2023	10,599
Thereafter	27,715
Build-to-Suit Leases, Future Minimum Payments Due	78,161
Purchase Obligations
2019	10,696
2020	17,374
2021	16,000
2022	17,000
2023	0
Thereafter	0
Purchase Obligations, Future Minimum Payments Due	$ 61,070

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Stockholders' Equity - Common Stock (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) vote $ / shares shares	Dec. 31, 2017 $ / shares shares
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	1,400,000,000	1,400,000,000
Preferred stock, shares authorized (in shares)	25,000,000	25,000,000
Common stock, shares outstanding (in shares)	119,771,702	121,769,238
Common stock, votes per share of stock held | vote	1
Dividends declared for common stock | $	$ 0
Common stock, par value (in dollars per share) | $ / shares	$ 0.001	$ 0.001

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Stockholders' Equity - Convertible Preferred Stock (Details) - shares	Apr. 21, 2015	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Convertible preferred stock
Class of Stock [Line Items]
Shares Outstanding (in shares)		0	0	0
Common Stock
Class of Stock [Line Items]
Conversion of preferred stock upon public offering (in shares)	53,448,243

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Stockholders' Equity - Common Stock Issuances (Details) - Jarvis Labs, Inc. and Incubart SAS $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) shares
Class of Stock [Line Items]
Shares issued in connection with acquisitions (in shares)	685,749
Shares issued (in shares)	172,445.000
Fair value of shares issued | $	$ 2.3
Common Stock
Class of Stock [Line Items]
Number of shares issued for business acquisition (in shares)	513,304
Equity interest value assigned | $	$ 6.9

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Stockholders' Equity - Share Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended				12 Months Ended		13 Months Ended
	Nov. 17, 2017	Dec. 31, 2017	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Nov. 01, 2018
Equity [Abstract]
Authorized repurchase amount	$ 100,000									$ 200,000
Stock repurchased and retired during period (in shares)	0	586,231	916,083	0	722,941	2,807,393	5,032,648	586,231
Average cost per share (in dollars per share)	$ 0.00	$ 17.57	$ 49.11	$ 0.00	$ 29.15	$ 24.43	$ 28.80	$ 17.57
Stock repurchased and retired during period, value	$ 0	$ (10,301)	$ (45,000)	$ 0	$ (21,113)	$ (68,586)	$ (134,647)	$ (10,301)	$ (145,000)
Remaining authorized repurchase amount		$ 89,699	$ 155,000				$ 155,000	$ 89,699	$ 155,000

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Stock-based Compensation - Additional Information (Details) - USD ($) $ in Thousands				3 Months Ended	6 Months Ended		10 Months Ended	12 Months Ended
	Jan. 02, 2019	Jan. 02, 2018	Jan. 03, 2017	Mar. 31, 2018	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense—acquisitions								$ 3,754	$ 3,904	$ 2,733
Plan modification, incremental compensation cost								$ 7,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term for options								10 years
Stock option vesting period								4 years
Unrecognized compensation for stock options					$ 22,900		$ 22,900	$ 22,900
Weighted-average period for unrecognized compensation								2 years 7 months 3 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term for options								10 years
Stock option vesting period								4 years
Weighted-average period for unrecognized compensation								3 years 10 days
Unrecognized compensation for restricted stock units					$ 70,500		$ 70,500	$ 70,500
2006 Stock Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term for options								10 years
Stock option vesting rights, percentage								25.00%
Stock option vesting period								36 months
2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Potential Annual Share Increase								7,050,000
Maximum number of additional shares issued annually		6,088,461	5,798,651
Percentage of outstanding stock								5.00%
Shares reserved for future issuance					14,100,000		14,100,000	14,100,000
Number of shares authorized					29,436,374		29,436,374	29,436,374
Number of shares available for grant					18,645,783		18,645,783	18,645,783
2015 Equity Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option vesting rights, percentage					25.00%	25.00%
Stock option vesting period				48 months	4 years	4 years	4 years
Interval vesting period					6 months		6 months
Stock option requisite service period								4 years
2015 Equity Incentive Plan | Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term for options				4 years		4 years
Stock option vesting rights, percentage					25.00%	25.00%
Stock option vesting period					4 years		4 years
Interval vesting period					6 months		6 months
2006 Plan Eligible for 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance					12,653,075		12,653,075	12,653,075
Subsequent Event | 2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of additional shares issued annually	2,395,434

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Stock-based Compensation - Fair Value of Options Granted Using the Black-Scholes Pricing Model (Details) - Stock options	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Volatility, minimum	38.60%	41.70%	38.60%
Volatility, maximum	47.80%	44.20%	44.60%
Risk-free interest rate, minimum	2.60%	1.90%	1.10%
Risk-free interest rate, maximum	2.90%	2.20%	2.10%
Dividend rate	0.00%	0.00%	0.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	5 years 6 months	5 years 6 months	5 years 6 months
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	6 years 3 months 18 days	6 years 3 months 18 days	6 years 3 months 18 days

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Stock-based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Shares
Outstanding, beginning balance (in shares)	7,947,939	9,339,567	11,068,859
Granted (in shares)	797,201	5,887,183	1,700,234
Exercised (in shares)	(1,588,779)	(5,760,263)	(2,535,620)
Forfeited/Cancelled (in shares)	(265,367)	(1,518,548)	(893,906)
Outstanding, ending balance (in shares)	6,890,994	7,947,939	9,339,567	11,068,859
Total exercisable at December 31, 2017 (in shares)	3,032,251
Weighted-Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 11.02	$ 7.89	$ 6.94
Granted (in dollars per share)	29.87	11.04	9.35
Exercised (in dollars per share)	11.49	5.87	4.17
Forfeited/Cancelled (in dollars per share)	15.68	11.36	9.51
Outstanding, ending balance (in dollars per share)	12.91	$ 11.02	$ 7.89	$ 6.94
Total exercisable at December 31, 2017 (in dollars per share)	$ 10.94
Weighted-Average Remaining Contract Term (in years)
Outstanding, Weighted-Average Remaining Contract Term	7 years 11 months 8 days	7 years 11 months 5 days	6 years 7 months 21 days	7 years 4 days
Total exercisable at December 31, 2017, Weighted-Average Remaining Contract Term	7 years 3 months 12 days
Aggregate Intrinsic Value
Outstanding, Aggregate Intrinsic Value	$ 239,177	$ 74,996	$ 43,613	$ 31,932
Total exercisable at December 31, 2017, Aggregate Intrinsic Value	$ 111,071

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Stock-based Compensation - Weighted Average Grant Date Fair Value Options Granted and Awards Vested and Intrinsic Value of Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Weighted average grant date fair value of options granted (in shares)	$ 13.33	$ 4.85	$ 4.03
Intrinsic value of options exercised	$ 34,268	$ 52,693	$ 19,130
Fair value of awards vested	$ 32,717	$ 19,826	$ 9,533

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Stock-based Compensation - Summary of the Unvested RSUs (Details) - RSUs - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Shares
Unvested at beginning of period (in shares)	3,074,247	3,135,181	395,846
Granted (in shares)	2,448,169	2,360,315	3,200,297
Vested (in shares)	(1,496,906)	(1,072,321)	(255,868)
Forfeited/Canceled (in shares)	(545,142)	(1,348,928)	(205,094)
Unvested at period end (in shares)	3,480,368	3,074,247	3,135,181
Weighted-Average Fair Value
Unvested at beginning of period (in dollars per share)	$ 11.98	$ 10.70	$ 13.70
Granted (in dollars per share)	28.22	12.17	10.29
Vested (in dollars per share)	13.80	10.44	10.64
Forfeited/Canceled (in dollars per share)	18.47	10.56	10.15
Unvested at period end (in dollars per share)	$ 22.87	$ 11.98	$ 10.70

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Stock-based Compensation - Allocated Share-Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 38,231	$ 26,559	$ 15,901
Cost of revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	3,357	1,739	1,057
Marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	2,507	1,933	971
Product development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	21,234	8,274	5,079
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 11,133	$ 14,613	$ 8,794

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Restructuring and Other Exit Costs (Income) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($) position
Restructuring and Related Activities [Abstract]
Expected number of positions eliminated | position			245
Number of positions eliminated (as a percentage)			23.00%
Restructuring costs | $	$ (249)	$ 13,897	$ 0

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Restructuring and Other Exit Costs (Income) - Schedule of Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended					6 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2018
Restructuring Reserve [Roll Forward]
Restructuring reserve at period start	$ 70	$ 398	$ 1,342	$ 3,440	$ 7,204	$ 0
Total restructuring and other exit costs	(57)	(41)	(151)	871	1,766	11,260
Costs charged against equity/assets				(354)	(965)	(1,668)
Cash payments	(13)	(287)	(793)	(2,615)	(4,565)	(2,388)
Restructuring reserve	70	398	1,342	3,440	7,204	0	$ 0
Restructuring reserve at period end	0	70	398	1,342	3,440	7,204
Severance Charge
Restructuring Reserve [Roll Forward]
Restructuring reserve at period start	45	359	1,308	3,348	6,862	0
Total restructuring and other exit costs	(45)	(43)	(156)	361	871	8,972
Costs charged against equity/assets				0	0	0
Cash payments	0	(271)	(793)	(2,401)	(4,385)	(2,110)
Restructuring reserve	45	359	1,308	3,348	6,862	0	0
Restructuring reserve at period end	0	45	359	1,308	3,348	6,862
Stock-Based Compensation
Restructuring Reserve [Roll Forward]
Restructuring reserve at period start	0	0	0	0	0	0
Total restructuring and other exit costs	0	0	0	68	965	1,668
Costs charged against equity/assets				(68)	(965)	(1,668)
Cash payments	0	0	0	0	0	0
Restructuring reserve	0	0	0	0	0	0	0
Restructuring reserve at period end	0	0	0	0	0	0
Other Exit Costs
Restructuring Reserve [Roll Forward]
Restructuring reserve at period start	25	39	34	92	342	0
Total restructuring and other exit costs	(12)	2	5	442	(70)	620
Costs charged against equity/assets				(286)	0	0
Cash payments	(13)	(16)	0	(214)	(180)	(278)
Restructuring reserve	25	39	34	92	342	0	$ 0
Restructuring reserve at period end	$ 0	$ 25	$ 39	$ 34	$ 92	$ 342

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Restructuring and Other Exit Costs (Income) - Restructuring and Other Related Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ (249)	$ 13,897	$ 0
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(19)	738	0
Marketing
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(82)	2,950	0
Product development
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(110)	3,232	0
General and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ (38)	$ 6,977	$ 0