10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2023

or

o 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: 001-12400

INCYTE CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	94-3136539
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
1801 Augustine Cut-Off Wilmington, DE 19803	19803
(Address of principal executive offices)	(Zip Code)

(302) 498-6700

(Registrant’s telephone number, including area code)

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

Title of each class	Trading Symbol(s)	Name of exchange on which registered
Common Stock, $.001 par value per share	INCY	The Nasdaq Stock Market LLC

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. x Yes o 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). x Yes o No

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 ☒	Accelerated filer o
Non-accelerated filer o	Smaller reporting company o
	Emerging growth company o

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. o

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

The number of outstanding shares of the registrant’s Common Stock, $.001 par value, was 224,109,238 as of October 24, 2023.

INCYTE CORPORATION

INDEX

PART I: FINANCIAL INFORMATION		3
Item 1.	Financial Statements	3
	Condensed Consolidated Balance Sheets	3
	Condensed Consolidated Statements of Operations	4
	Condensed Consolidated Statements of Comprehensive Income (Loss)	5
	Condensed Consolidated Statements of Stockholders’ Equity	6
	Condensed Consolidated Statements of Cash Flows	8
	Notes to Condensed Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	25
	Forward-Looking Statements	25
	Summary Risk Factors	28
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	52
Item 4.	Controls and Procedures	53
PART II: OTHER INFORMATION
Item 1A.	Risk Factors	53
Item 5.	Other Information	82
Item 6.	Exhibits	83
	Signatures	84

2

PART I: FINANCIAL INFORMATION

Item 1. Financial Statements

INCYTE CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except number of shares and par value)

	September 30, 2023		December 31, 2022*
	(unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	3,227,230	$	2,951,422
Marketable securities—available-for-sale (amortized cost $290,583 and $292,580 as of September 30, 2023 and December 31, 2022, respectively; allowance for credit losses $0 as of September 30, 2023 and December 31, 2022)	289,223		287,543
Accounts receivable	657,263		644,879
Inventory	57,200		41,995
Prepaid expenses and other current assets	171,749		167,011
Total current assets	4,402,665		4,092,850
Restricted cash	1,717		1,698
Long term investments	153,663		133,676
Inventory	142,086		78,964
Property and equipment, net	733,046		739,310
Finance lease right-of-use assets, net	24,880		26,298
Other intangible assets, net	129,249		129,219
Goodwill	155,593		155,593
Deferred income tax asset	564,385		457,941
Other assets, net	80,955		25,435
Total assets	$	6,388,239	$	5,840,984
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	139,411	$	277,546
Accrued compensation	124,783		138,761
Accrued and other current liabilities	820,607		701,053
Finance lease liabilities	3,064		3,179
Acquisition-related contingent consideration	36,815		36,538
Total current liabilities	1,124,680		1,157,077
Acquisition-related contingent consideration	170,185		184,462
Finance lease liabilities	28,859		30,083
Other liabilities	133,068		99,243
Total liabilities	1,456,792		1,470,865
Commitments and contingencies (Note 14)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; none issued or outstanding	—		—
Common stock, $0.001 par value; 400,000,000 shares authorized; 224,101,839 and 222,746,719 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	224		223
Additional paid-in capital	4,949,023		4,792,041
Accumulated other comprehensive income	22,894		15,069
Accumulated deficit	(40,694)		(437,214)
Total stockholders’ equity	4,931,447		4,370,119
Total liabilities and stockholders’ equity	$	6,388,239	$	5,840,984

*The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

See accompanying notes.

3

INCYTE CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited, in thousands, except per share amounts)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Revenues:
Product revenues, net	$	783,197	$	713,010	$	2,303,439	$	1,982,682
Product royalty revenues	130,828		110,293		373,869		350,253
Milestone and contract revenues	5,000		—		5,000		135,000
Total revenues	919,025		823,303		2,682,308		2,467,935
Costs and expenses:
Cost of product revenues (including definite-lived intangible amortization)	60,091		54,584		185,239		147,834
Research and development	375,709		384,007		1,183,100		1,084,576
Selling, general and administrative	267,893		266,460		867,428		729,321
(Gain) loss on change in fair value of acquisition-related contingent consideration	(426)		(21,893)		14,144		(12,198)
Loss and (profit) sharing under collaboration agreements	1,053		1,769		(858)		9,055
Total costs and expenses	704,320		684,927		2,249,053		1,958,588
Income from operations	214,705		138,376		433,255		509,347
Interest income and other, net	46,371		11,513		121,912		13,295
Interest expense	(623)		(641)		(1,747)		(1,999)
Unrealized (loss) gain on long term investments	(26,654)		(660)		9,839		(72,142)
Income before provision for income taxes	233,799		148,588		563,259		448,501
Provision for income taxes	62,530		35,813		166,739		136,302
Net income	$	171,269	$	112,775	$	396,520	$	312,199
Net income per share:
Basic	$	0.76	$	0.51	$	1.77	$	1.41
Diluted	$	0.76	$	0.50	$	1.76	$	1.40
Shares used in computing net income per share:
Basic	224,078		222,415		223,428		221,801
Diluted	226,167		224,175		225,756		223,626

See accompanying notes.

4

INCYTE CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(unaudited, in thousands)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Net income	$	171,269	$	112,775	$	396,520	$	312,199
Other comprehensive (loss) income:
Foreign currency translation (loss) gain	(4,855)		(2,513)		3,594		(5,132)
Unrealized gain (loss) on marketable securities, net of tax	768		(1,135)		3,677		(5,322)
Defined benefit pension gain, net of tax	175		282		554		846
Other comprehensive (loss) income	(3,912)		(3,366)		7,825		(9,608)
Comprehensive income	$	167,357	$	109,409	$	404,345	$	302,591

See accompanying notes.

5

INCYTE CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(unaudited, in thousands, except number of shares)

	Common Stock		Additional Paid-in Capital		Accumulated Other Comprehensive Income		Accumulated Deficit		Total Stockholders’ Equity
Balances at January 1, 2023	$	223	$	4,792,041	$	15,069	$	(437,214)	$	4,370,119
Issuance of 313,995 shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	—		11,235		—		—		11,235
Issuance of 1,073 shares of Common Stock for services rendered	—		80		—		—		80
Stock compensation	—		53,558		—		—		53,558
Other comprehensive income	—		—		5,873		—		5,873
Net income	—		—		—		21,703		21,703
Balance at March 31, 2023	$	223	$	4,856,914	$	20,942	$	(415,511)	$	4,462,568
Issuance of 59,093 shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units and performance shares, net of shares withheld for taxes and 216,168 shares of Common Stock under the ESPP	—		13,704		—		—		13,704
Issuance of 1,282 shares of Common Stock for services rendered	—		80		—		—		80
Stock compensation	—		54,928		—		—		54,928
Other comprehensive income	—		—		5,864		—		5,864
Net income	—		—		—		203,548		203,548
Balances at June 30, 2023	$	223	$	4,925,626	$	26,806	$	(211,963)	$	4,740,692
Issuance of 762,231 shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	1		(24,682)		—		—		(24,681)
Issuance of 1,278 shares of Common Stock for services rendered	—		80		—		—		80
Stock compensation	—		47,999		—		—		47,999
Other comprehensive loss	—		—		(3,912)		—		(3,912)
Net income	—		—		—		171,269		171,269
Balances at September 30, 2023	$	224	$	4,949,023	$	22,894	$	(40,694)	$	4,931,447

6

INCYTE CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (CONTINUED)

(unaudited, in thousands, except number of shares)

	Common Stock		Additional Paid-in Capital		Accumulated Other Comprehensive Loss		Accumulated Deficit		Total Stockholders’ Equity
Balances at January 1, 2022	$	221	$	4,567,111	$	(19,454)	$	(777,874)	$	3,770,004
Issuance of 323,582 shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	—		14,237		—		—		14,237
Issuance of 1,535 shares of Common Stock for services rendered	—		112		—		—		112
Stock compensation	—		44,320		—		—		44,320
Other comprehensive loss	—		—		(3,593)		—		(3,593)
Net income	—		—		—		37,992		37,992
Balances at March 31, 2022	$	221	$	4,625,780	$	(23,047)	$	(739,882)	$	3,863,072
Issuance of 274,693 shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units and performance shares, net of shares withheld for taxes and 189,684 shares of Common Stock under the ESPP	1		16,600		—		—		16,601
Issuance of 1,469 shares of Common Stock for services rendered	—		109		—		—		109
Stock compensation	—		46,496		—		—		46,496
Other comprehensive loss	—		—		(2,649)		—		(2,649)
Net income	—		—		—		161,432		161,432
Balances at June 30, 2022	$	222	$	4,688,985	$	(25,696)	$	(578,450)	$	4,085,061
Issuance of 578,106 shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	—		(13,572)		—		—		(13,572)
Issuance of 1,337 shares of Common Stock for services rendered	—		94		—		—		94
Stock compensation	—		45,659		—		—		45,659
Other comprehensive loss	—		—		(3,366)		—		(3,366)
Net income	—		—		—		112,775		112,775
Balances at September 30, 2022	$	222	$	4,721,166	$	(29,062)	$	(465,675)	$	4,226,651

See accompanying notes.

7

INCYTE CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands)

	Nine Months Ended September 30,
	2023		2022
Cash flows from operating activities:
Net income	$	396,520	$	312,199
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	60,898		49,637
Stock-based compensation	155,899		135,741
Deferred income taxes	(92,919)		40,432
Other, net	(543)		15,097
Unrealized (gain) loss on long term investments	(9,839)		72,142
Loss (gain) on change in fair value of acquisition-related contingent consideration	14,144		(12,198)
Changes in operating assets and liabilities:
Accounts receivable	(12,384)		(1,888)
Prepaid expenses and other assets	(62,081)		(40,016)
Inventory	(77,193)		(48,316)
Accounts payable	(138,135)		(8,935)
Accrued and other liabilities	114,391		172,384
Net cash provided by operating activities	348,758		686,279
Cash flows from investing activities:
Purchase of long term investments	(10,000)		—
Sale of long term investments	45		—
Capital expenditures	(30,219)		(56,560)
Payments for intangible assets	(15,000)		—
Purchases of marketable securities	(222,228)		(59,058)
Sale and maturities of marketable securities	224,225		57,988
Net cash used in investing activities	(53,177)		(57,630)
Cash flows from financing activities:
Proceeds from issuance of common stock under stock plans	28,319		42,989
Tax withholdings related to restricted and performance share vesting	(28,061)		(25,724)
Payment of finance lease liabilities	(2,523)		(2,106)
Payment of contingent consideration	(18,114)		(13,473)
Net cash (used in) provided by financing activities	(20,379)		1,686
Effect of exchange rates on cash, cash equivalents, restricted cash and investments	625		2,728
Net increase in cash, cash equivalents, restricted cash and investments	275,827		633,063
Cash, cash equivalents, restricted cash and investments at beginning of period	2,953,120		2,059,160
Cash, cash equivalents, restricted cash and investments at end of period	$	3,228,947	$	2,692,223
Supplemental Schedule of Cash Flow Information
Income taxes paid	$	253,180	$	116,537
Unpaid purchases of property and equipment	$	11	$	8,836
Leased assets obtained in exchange for new operating lease liabilities	$	5,275	$	3,650
Leased assets obtained in exchange for new finance lease liabilities	$	1,176	$	1,448

See accompanying notes.

8

INCYTE CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2023

(Unaudited)

Note 1. Organization and Business

Incyte Corporation (including its subsidiaries, “Incyte,” “we,” “us,” or “our”) is a biopharmaceutical company focused on developing and commercializing proprietary therapeutics. Our portfolio includes compounds in various stages, ranging from preclinical to late stage development, and commercialized products JAKAFI® (ruxolitinib), ICLUSIG® (ponatinib), PEMAZYRE® (pemigatinib), OPZELURA™ (ruxolitinib cream), MINJUVI® (tafasitamab), MONJUVI® (tafasitamab-cxix), which is co-commercialized, and ZYNYZ™ (retifanlimab-dlwr). Our operations are treated as one operating segment.

Note 2. Summary of Significant Accounting Policies

Basis of presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. The condensed consolidated balance sheet as of September 30, 2023, the condensed consolidated statements of operations, comprehensive income (loss), and stockholders’ equity for the three and nine months ended September 30, 2023 and 2022, and the condensed consolidated statements of cash flows for the nine months ended September 30, 2023 and 2022, are unaudited, but include all adjustments, consisting only of normal recurring adjustments, which we consider necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented. The condensed consolidated balance sheet at December 31, 2022 has been derived from our audited consolidated financial statements.

Although we believe that the disclosures in these financial statements are adequate to make the information presented not misleading, certain information and footnote information normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission.

Results for any interim period are not necessarily indicative of results for any future interim period or for the entire year. The accompanying financial statements should be read in conjunction with the financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2022.

Principles of Consolidation. The condensed consolidated financial statements include the accounts of Incyte Corporation and our wholly owned subsidiaries. All inter-company accounts, transactions, and profits have been eliminated in consolidation.

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Other Intangible Assets, net. Other intangible assets, net consist of licensed intellectual property rights acquired in business combinations, which are reported at acquisition date fair value, less accumulated amortization, as well as milestone payments made to collaboration partners incurred at or after the product has obtained regulatory approval. Intangible assets with finite lives are amortized over their estimated useful lives using the straight-line method. Intangible assets with finite lives are tested for recoverability whenever events or changes in circumstances indicate that the carrying amounts may not be recoverable.

Cost of Product Revenues. Cost of product revenues includes all product related costs and royalties owed under our collaboration and license agreements, contingent on certain conditions. In addition, cost of product revenues includes the amortization of our licensed intellectual property for ICLUSIG and the amortization of capitalized milestone payments, using the straight-line method over the respective estimated useful lives, which range between approximately 11 to 14 years. Cost of product revenues also includes employee personnel costs, including stock compensation, for those employees dedicated to the production of our commercial products.

9

Recent Accounting Pronouncements

There were no new accounting pronouncements issued nor adopted since our filing of the Annual Report on Form 10-K for the year ended December 31, 2022, which could have a significant effect on our condensed consolidated financial statements.

Note 3. Revenues

Revenues are recognized under guidance within ASC 606, Revenue from Contracts with Customers. The following table presents our disaggregated revenue for the periods presented (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
JAKAFI revenues, net	$	636,252	$	619,595	$	1,898,605	$	1,761,732
OPZELURA revenues, net	91,836		38,140		228,621		67,454
ICLUSIG revenues, net	27,721		25,929		84,493		78,222
PEMAZYRE revenues, net	18,942		23,414		62,989		60,429
MINJUVI revenues, net	8,348		5,932		28,063		14,845
ZYNYZ revenues, net	98		—		668		—
Total product revenues, net	783,197		713,010		2,303,439		1,982,682
JAKAVI product royalty revenues	96,551		85,808		263,691		240,386
OLUMIANT product royalty revenues	29,615		20,371		95,779		98,689
TABRECTA product royalty revenues	4,139		4,114		13,115		11,178
PEMAZYRE product royalty revenues	523		—		1,284		—
Total product royalty revenues	130,828		110,293		373,869		350,253
Milestone and contract revenues	5,000		—		5,000		135,000
Total revenues	$	919,025	$	823,303	$	2,682,308	$	2,467,935

For further information on our revenue-generating contracts, refer to Note 7.

Note 4. Fair Value of Financial Instruments

The following is a summary of our marketable security portfolio for the periods presented (in thousands):

	Amortized Cost		Net Unrealized Losses		Estimated Fair Value
September 30, 2023
Debt securities (government)	$	290,583	$	(1,360)	$	289,223
December 31, 2022
Debt securities (government)	$	292,580	$	(5,037)	$	287,543

Our available-for-sale debt securities generally have contractual maturity dates of between 12 to 18 months. Debt security assets were assessed for risk of expected credit losses. As of September 30, 2023 and December 31, 2022, the available-for-sale debt securities were held in U.S.-government backed securities and in Treasury bonds and were assessed on an individual security basis to have a de minimis risk of credit loss.

10

Fair Value Measurements

FASB accounting guidance defines fair value as the price that would be received to sell an asset or paid to transfer a liability (“the exit price”) in an orderly transaction between market participants at the measurement date. The standard outlines a valuation framework and creates a fair value hierarchy in order to increase the consistency and comparability of fair value measurements and the related disclosures. In determining fair value we use quoted prices and observable inputs. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of us. The fair value hierarchy is broken down into three levels based on the source of inputs as follows:

Level 1—Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2—Valuations based on observable inputs and quoted prices in active markets for similar assets and liabilities.

Level 3—Valuations based on inputs that are unobservable and models that are significant to the overall fair value measurement.

Recurring Fair Value Measurements

Our marketable securities consist of investments in U.S. government debt securities that are classified as available-for-sale.

At September 30, 2023 and December 31, 2022, our Level 2 U.S. government debt securities were valued using readily available pricing sources which utilize market observable inputs, including the current interest rate and other characteristics for similar types of investments. Our long term investments classified as Level 1 were valued using their respective closing stock prices on The Nasdaq Stock Market. We did not experience any transfers of financial instruments between the fair value hierarchy levels during the nine months ended September 30, 2023.

The following fair value hierarchy table presents information about each major category of our financial assets measured at fair value on a recurring basis (in thousands):

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2023
Cash and cash equivalents	$	3,227,230	$	—	$	—	$	3,227,230
Debt securities (government)	—		289,223		—		289,223
Long term investments (Note 7)	153,663		—		—		153,663
Total assets	$	3,380,893	$	289,223	$	—	$	3,670,116

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2022
Cash and cash equivalents	$	2,951,422	$	—	$	—	$	2,951,422
Debt securities (government)	—		287,543		—		287,543
Long term investments (Note 7)	133,676		—		—		133,676
Total assets	$	3,085,098	$	287,543	$	—	$	3,372,641

11

The following fair value hierarchy table presents information about each major category of our financial liabilities measured at fair value on a recurring basis as (in thousands):

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2023
Acquisition-related contingent consideration	$	—	$	—	$	207,000	$	207,000
Total liabilities	$	—	$	—	$	207,000	$	207,000

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2022
Acquisition-related contingent consideration	$	—	$	—	$	221,000	$	221,000
Total liabilities	$	—	$	—	$	221,000	$	221,000

The following is a rollforward of our Level 3 liabilities (in thousands):

	2023
Balance at January 1,	$	221,000
Contingent consideration earned during the period but not yet paid	(10,684)
Payments made during the period	(17,460)
Change in fair value of contingent consideration	14,144
Balance at September 30,	$	207,000

The initial fair value of the contingent consideration was determined on the date of acquisition, June 1, 2016, using an income approach based on projected future net revenues of ICLUSIG in the European Union and other countries for the approved third line treatment over 18 years, and discounted to present value at a rate of 10%. The fair value of the contingent consideration is remeasured each reporting period, with changes in fair value recorded in the condensed consolidated statements of operations. The valuation inputs utilized to estimate the fair value of the contingent consideration as of September 30, 2023 and December 31, 2022 included a discount rate of 10% and updated projections of future net revenues of ICLUSIG in the European Union and other countries for the approved third line treatment. The change in fair value of the contingent consideration during the three and nine months ended September 30, 2023 was due primarily to the changes in foreign currency exchange rates included within the updated projections of future net revenues of ICLUSIG and the passage of time.

We generally make payments to Takeda Pharmaceutical Company Limited quarterly based on the royalties or any additional milestone payments earned in the previous quarter. At September 30, 2023 and December 31, 2022, contingent consideration earned but not yet paid was $10.7 million and $9.3 million, respectively, and was included in accrued and other current liabilities.

Note 5. Concentration of Credit Risk and Current Expected Credit Losses

In November 2009, we entered into a collaboration and license agreement with Novartis Pharmaceutical International Ltd. (“Novartis”). In December 2009, we entered into a license, development and commercialization agreement with Eli Lilly and Company (“Lilly”). The above collaboration partners comprised, in aggregate, 21% and 20% of the accounts receivable balance as of September 30, 2023 and December 31, 2022, respectively. For further information relating to these collaboration and license agreements, refer to Note 7.

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In November 2011, we began commercialization and distribution of JAKAFI, in April 2020, we began commercialization and distribution of PEMAZYRE, and in October 2021, we began commercialization and distribution of OPZELURA. Our product revenues are concentrated in a number of customers for these products. The concentration of credit risk related to our JAKAFI, PEMAZYRE and OPZELURA product revenues is as follows:

	Percentage of Total Net Product Revenues for the Three Months Ended				Percentage of Total Net Product Revenues for the Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Customer A	17	%	19	%	17	%	19	%
Customer B	10	%	10	%	10	%	11	%
Customer C	17	%	18	%	18	%	18	%
Customer D	8	%	9	%	9	%	10	%
Customer E	12	%	14	%	11	%	14	%

We are exposed to risks associated with extending credit to customers related to the sale of products. Customers A, B, C, D, and E comprised, in aggregate, 33% and 41% of the accounts receivable balance as of September 30, 2023 and December 31, 2022, respectively. The concentration of credit risk relating to our other product revenues or accounts receivable is not significant.

We assessed our collaborative and customer receivable assets as of September 30, 2023 according to our accounting policy for applying reserves for expected credit losses, noting minimal history of uncollectible receivables and the continued perceived creditworthiness of our third party sales relationships, upon which the expected credit losses were considered de minimis. As of September 30, 2023 and December 31, 2022, we had no allowance for doubtful accounts.

Note 6. Inventory

Our inventory balance consists of the following (in thousands):

	September 30, 2023		December 31, 2022
Raw materials	$	22,006	$	31,874
Work-in-process	140,370		54,455
Finished goods	36,910		34,630
Total inventory	$	199,286	$	120,959

Inventories, stated at the lower of cost and net realizable value, consist of raw materials, work in process and finished goods. At September 30, 2023, $57.2 million of inventory was classified as current on the condensed consolidated balance sheet as we expect this inventory to be consumed for commercial use within the next twelve months. At September 30, 2023, $142.1 million of inventory was classified as non-current on the condensed consolidated balance sheet as we did not expect this inventory to be consumed for commercial use within the next twelve months. We obtain some inventory components from a limited number of suppliers due to technology, availability, price, quality or other considerations. The loss of a supplier, the deterioration of our relationship with a supplier, or any unilateral violation of the contractual terms under which we are supplied components by a supplier could adversely affect our total revenues and gross margins.

We capitalize inventory after regulatory approval as the related costs are expected to be recoverable through the commercialization of the product. Costs incurred prior to regulatory approval are recorded as research and development expense in our statements of operations. At September 30, 2023, inventory with approximately $36.7 million of product costs incurred prior to regulatory approval had not yet been sold. We expect to sell the pre-commercialization inventory over the next 12 to 18 months and, as a result, cost of product revenues will reflect a lower average per unit cost of materials.

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Note 7. License Agreements

Novartis

In November 2009, we entered into a Collaboration and License Agreement with Novartis. Under the terms of the agreement, Novartis received exclusive development and commercialization rights outside of the United States to our JAK inhibitor ruxolitinib and certain back-up compounds for hematologic and oncology indications, including all hematological malignancies, solid tumors and myeloproliferative diseases. We retained exclusive development and commercialization rights to JAKAFI (ruxolitinib) in the United States and in certain other indications. Novartis also received worldwide exclusive development and commercialization rights to our MET inhibitor compound capmatinib and certain back-up compounds in all indications.

Under this agreement, we were initially eligible to receive up to $174.0 million for the achievement of development milestones, up to $495.0 million for the achievement of regulatory milestones and up to $500.0 million for the achievement of sales milestones. In addition, we are eligible to receive up to $75.0 million of additional potential development and regulatory milestones relating to graft-versus-host-disease (“GVHD”). Since the inception of the agreement through September 30, 2023, we have recognized and received, in the aggregate, $157.0 million for the achievement of development milestones, $345.0 million for the achievement of regulatory milestones, and $200.0 million for the achievement of sales milestones.

In September 2023, we recognized a $5.0 million regulatory milestone for the regulatory approval from the Japanese Ministry of Health, Labour and Welfare (MHLW) for the GVHD indication of JAKAVI (ruxolitinib).

We also are eligible to receive tiered, double-digit royalties ranging from the upper-teens to the mid-twenties on future JAKAVI net sales outside of the United States, and tiered, worldwide royalties on TABRECTA net sales that range from 12% to 14%. We are obligated to pay to Novartis tiered royalties in the low single-digits on future JAKAFI net sales within the United States contingent on certain conditions. During the three and nine months ended September 30, 2023, such royalties on net sales within the United States totaled $31.1 million and $88.0 million, respectively, and were reflected in cost of product revenues on the condensed consolidated statements of operations. During the three and nine months ended September 30, 2022, such royalties on net sales within the United States totaled $30.3 million and $81.3 million, respectively, and were reflected in cost of product revenues on the condensed consolidated statements of operations. At September 30, 2023 and December 31, 2022, $341.5 million and $253.5 million, respectively, of accrued royalties were included in accrued and other current liabilities on the condensed consolidated balance sheets, payment of which is dependent on the outcome of a contract dispute with Novartis. Each company is responsible for costs relating to the development and commercialization of ruxolitinib in its respective territories, with costs of collaborative studies shared equally. Novartis is also responsible for all costs relating to the development and commercialization of capmatinib.

Milestone and contract revenue under the Novartis agreement was $5.0 million for both the three and nine months ended September 30, 2023. We had no milestone and contract revenue under the Novartis agreement for the three months ended September 30, 2022, and we had $60.0 million for the nine months ended September 30, 2022. Product royalty revenue related to Novartis net sales of JAKAVI outside of the United States for the three and nine months ended September 30, 2023 was $96.6 million and $263.7 million, respectively. Product royalty revenue related to Novartis net sales of JAKAVI outside of the United States for the three and nine months ended September 30, 2022 was $85.8 million and $240.4 million, respectively. Product royalty revenue related to Novartis net sales of TABRECTA worldwide for the three and nine months ended September 30, 2023 was $4.1 million and $13.1 million, respectively. Product royalty revenue related to Novartis net sales of TABRECTA worldwide for the three and nine months ended September 30, 2022 was $4.1 million and $11.2 million, respectively.

Lilly – Baricitinib

In December 2009, we entered into a License, Development and Commercialization Agreement with Lilly. Under the terms of the agreement, Lilly received exclusive worldwide development and commercialization rights to our JAK inhibitor baricitinib, and certain back-up compounds for inflammatory and autoimmune diseases.

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Under this agreement, we were initially eligible to receive up to $150.0 million for the achievement of development milestones, up to $365.0 million for the achievement of regulatory milestones and up to $150.0 million for the achievement of sales milestones. Since the inception of the agreement through September 30, 2023, we have recognized and received, in aggregate, $149.0 million for the achievement of development milestones, $335.0 million for the achievement of regulatory milestones and $50.0 million for the achievement of sales milestones. We are also eligible to receive tiered, double-digit royalties on future global sales with rates ranging up to the mid-twenties if a product is successfully commercialized.

In May 2020, we amended our agreement with Lilly to enable Lilly to develop and commercialize baricitinib for the treatment of COVID-19. As part of the amended agreement, in addition to the royalties described above, we will be entitled to receive additional royalty payments with rates in the low teens on global net sales of baricitinib for the treatment of COVID-19 that exceed a specified aggregate global net sales threshold.

We had no milestone and contract revenue under the Lilly agreement for the three and nine months ended September 30, 2023. We had no milestone and contract revenue under the Lilly agreement for the three months ended September 30, 2022, and we had $70.0 million for the nine months ended September 30, 2022. Product royalty revenue related to Lilly net sales of OLUMIANT outside of the United States for the three and nine months ended September 30, 2023 was $29.6 million and $95.8 million, respectively. Product royalty revenue related to Lilly net sales of OLUMIANT outside of the United States for the three and nine months ended September 30, 2022 was $20.4 million and $98.7 million, respectively.

Lilly - Ruxolitinib

In March 2016, we entered into an amendment to the agreement with Lilly that amended the non-compete provision of the agreement to allow us to engage in the development and commercialization of ruxolitinib in the GVHD field. Lilly was eligible to receive up to $40.0 million in regulatory milestone payments relating to ruxolitinib in the GVHD field. In May 2019, the approval of JAKAFI in steroid-refractory acute GVHD triggered a $20.0 million milestone payment to Lilly. In March 2022, the positive recommendation from the European Medicines Agency for regulatory approval of ruxolitinib in the GVHD field triggered an additional $20.0 million milestone payment to Lilly, which was recorded as research and development expense in our condensed consolidated statements of operations for the three months ended March 31, 2022.

Agenus

In January 2015, we entered into a License, Development and Commercialization Agreement with Agenus Inc. and its wholly-owned subsidiary, 4-Antibody AG (now known as Agenus Switzerland Inc.), which we collectively refer to as Agenus. Under this agreement, which was amended in February 2017, the parties have agreed to collaborate on the discovery of novel immuno-therapeutics using Agenus’ antibody discovery platforms.

Since the inception of the agreement through September 30, 2023, we have paid Agenus milestones totaling $30.0 million, and Agenus is eligible to receive up to an additional $500.0 million in future contingent development, regulatory and commercialization milestones across all programs in the collaboration.

As of September 30, 2023, we held an investment of approximately 12.1 million shares of Agenus Inc. common stock. The fair market value of our long term investment in Agenus Inc. at September 30, 2023 and December 31, 2022 was $13.6 million and $29.0 million, respectively. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $5.6 million and $15.3 million, respectively, based on the change in fair value of Agenus Inc.’s common stock during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized gain of $1.3 million and an unrealized loss of $14.1 million, respectively, based on the change in fair value of Agenus Inc.’s common stock during the respective periods.

During May 2023, Agenus Inc. distributed a dividend of shares it owned of its publicly traded subsidiary MiNK Therapeutics' ("MiNK") common stock to shareholders who held Agenus Inc. shares. As a result, we acquired approximately 0.2 million shares of MiNK common stock. The fair market value of our long term investment in MiNK at September 30, 2023 was $0.2 million. During the three and nine months ended September 30, 2023, we recorded an unrealized loss of $0.2 million and a nominal unrealized gain, respectively, based on the change in fair value of MiNK’s common stock during the period.

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Merus

In December 2016, we entered into a Collaboration and License Agreement with Merus N.V. (“Merus”). Under this agreement, the parties have agreed to collaborate with respect to the research, discovery and development of bispecific antibodies utilizing Merus’ technology platform. The collaboration encompasses up to ten independent programs.

In January 2023, we paid Merus a milestone of $2.5 million, which was recorded as research and development expense in our condensed consolidated statements of operations during the three months ended March 31, 2023. In August 2023, we paid Merus a milestone of $2.5 million, which was recorded as research and development expense in our condensed consolidated statements of operations during the three months ended September 30, 2023. Since the inception of the agreement through September 30, 2023, we have paid and expensed Merus milestones totaling $8.0 million.

During August 2023, we purchased approximately 0.5 million shares of Merus’ common shares for an aggregate purchase price of $10.0 million in cash. As of September 30, 2023, we held an investment of approximately 4.0 million common shares. The fair market value of our total long term investment in Merus at September 30, 2023 and December 31, 2022 was $94.4 million and $54.9 million, respectively. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $9.1 million and an unrealized gain of $29.5 million, respectively, based on the change in fair value of Merus’ common shares during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized loss of $9.3 million and $41.8 million, respectively, based on the change in fair value of Merus’ common shares during the respective periods.

MacroGenics

In October 2017, we entered into a Global Collaboration and License Agreement with MacroGenics, Inc. (“MacroGenics”). Under this agreement, we received exclusive development and commercialization rights worldwide to MacroGenics’ INCMGA0012 (formerly MGA012), an investigational monoclonal antibody that inhibits PD-1. Except as set forth in the succeeding sentence, we have sole authority over and bear all costs and expenses in connection with the development and commercialization of INCMGA0012 in all indications, whether as a monotherapy or as part of a combination regimen. MacroGenics has retained the right to develop and commercialize, at its cost and expense, its pipeline assets in combination with INCMGA0012. In addition, MacroGenics has the right to manufacture a portion of both companies’ global clinical and commercial supply needs of INCMGA0012.

In July 2022, we amended our agreement with MacroGenics to reflect changes related to the payment of certain milestones and paid MacroGenics $30.0 million, which was previously recorded as research and development expense in our condensed consolidated statements of operations in the third quarter of 2022. In March 2023, we made a $15.0 million regulatory milestone payment to MacroGenics for the FDA approval of ZYNYZ for the treatment of adults with Merkel cell carcinoma. This milestone payment was capitalized as an intangible asset and included in Other intangible assets, net on the condensed consolidated balance sheet as of September 30, 2023, and is being amortized through cost of product revenues over the estimated useful life of 13.5 years.

Since the inception of the agreement through September 30, 2023, we have paid MacroGenics developmental and regulatory milestones totaling $115.0 million. After the amendment and subsequent payments, MacroGenics will be eligible to receive up to an additional $320.0 million in future contingent development and regulatory milestones, and up to $330.0 million in sales milestones as well as tiered royalties ranging from 15% to 24% of global net sales.

Research and development expenses for the three and nine months ended September 30, 2023 also included $12.9 million and $42.8 million, respectively, of development costs incurred pursuant to the MacroGenics agreement. Research and development expenses for the three and nine months ended September 30, 2022 also included $41.6 million and $69.9 million, respectively, of development costs incurred pursuant to the MacroGenics agreement. At September 30, 2023 and December 31, 2022, a total of $0.8 million and $2.9 million of such costs were included in accrued and other liabilities on the condensed consolidated balance sheets.

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Syros

In January 2018, we entered into a Target Discovery, Research Collaboration and Option Agreement with Syros Pharmaceuticals, Inc. (“Syros”). Under this agreement, Syros would use its proprietary gene control platform to identify novel therapeutic targets with a focus in myeloproliferative neoplasms and we had received options to obtain exclusive worldwide rights to intellectual property resulting from the collaboration for up to seven validated targets. In August 2023, we terminated the Target Discovery, Research Collaboration and Option Agreement with Syros, effective as of October 10, 2023.

As of September 30, 2023, we held an investment of approximately 0.1 million shares of Syros common stock. The fair market value of our long term investment in Syros as of September 30, 2023 and December 31, 2022 was $0.4 million and $0.3 million, respectively. For the three and nine months ended September 30, 2023, we recorded a unrealized gain of $0.1 million and a nominal unrealized gain, respectively, based on the change in fair value of Syros’ common stock during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized loss of $0.3 million and $2.5 million, respectively, based on the change in fair value of Syros’ common stock during the respective periods.

MorphoSys

In January 2020, we entered into a Collaboration and License Agreement with MorphoSys AG and MorphoSys US Inc., a wholly-owned subsidiary of MorphoSys AG (together with MorphoSys AG, “MorphoSys”), covering the worldwide development and commercialization of MOR208 (tafasitamab), an investigational Fc engineered monoclonal antibody directed against the target molecule CD19 that was under clinical development by MorphoSys at the beginning of the agreement, and has subsequently been commercialized as MONJUVI/MINJUVI. MorphoSys has exclusive worldwide development and commercialization rights to tafasitamab under a June 2010 collaboration and license agreement with Xencor, Inc.

Under the terms of the agreement, we received exclusive commercialization rights outside of the United States, and MorphoSys and we have co-commercialization rights in the United States, with respect to tafasitamab. MorphoSys is responsible for leading the commercialization strategy and booking all revenue from sales of tafasitamab in the United States, and we and MorphoSys are both responsible for commercialization efforts in the United States and will share equally the profits and losses from the co-commercialization efforts. We will lead the commercialization strategy outside of the United States, and will be responsible for commercialization efforts and book all revenue from sales of tafasitamab outside of the United States, subject to our royalty payment obligations set forth below. We and MorphoSys have agreed to co-develop tafasitamab and to share development costs associated with global and U.S.-specific clinical trials, with Incyte responsible for 55% of such costs and MorphoSys responsible for 45% of such costs. Each company is responsible for funding any independent development activities, and we are responsible for funding development activities specific to territories outside of the United States. All development costs related to the collaboration are subject to a joint development plan.

MorphoSys is eligible to receive up to $737.5 million in future contingent development and regulatory milestones and up to $315.0 million in commercialization milestones as well as tiered royalties ranging from the mid-teens to mid-twenties of net sales outside of the United States. MorphoSys’ right to receive royalties in any particular country will expire upon the last to occur of (a) the expiration of patent rights in that particular country, (b) a specified period of time after the first post-marketing authorization sale of a licensed product comprising tafasitamab in that country, and (c) the expiration of any regulatory exclusivity for that licensed product in that country. Since the inception of the agreement through September 30, 2023, we have paid MorphoSys milestones totaling $2.5 million, all of which have previously been recorded as research and development expenses.

As of September 30, 2023, we held an investment of approximately 3.6 million American Depository Shares, each representing 0.25 of an ordinary share of MorphoSys AG. The fair market value of our long term investment in MorphoSys AG as of September 30, 2023 and December 31, 2022 was $24.4 million and $13.0 million, respectively. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $2.7 million and an unrealized gain of $11.4 million, respectively, based on the change in fair value of MorphoSys AG's ordinary shares during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized gain of $0.8 million and an unrealized loss of $15.9 million, respectively, based on the change in fair value of MorphoSys AG's ordinary shares during the respective periods.

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Our 50% share of the United States loss or profit for the commercialization of tafasitamab for the three and nine months ended September 30, 2023 was a loss of $1.1 million and profit of $0.9 million, respectively, and is recorded as loss and (profit) sharing under collaboration agreements on the condensed consolidated statement of operations. Our 50% share of the United States loss for the commercialization of tafasitamab for the three and nine months ended September 30, 2022 was $1.8 million and $9.1 million, respectively, and is recorded as loss and (profit) sharing under collaboration agreements on the condensed consolidated statement of operations. Research and development expenses for the three and nine months ended September 30, 2023, includes $13.0 million and $58.5 million, respectively, related to our 55% share of the co-development costs for tafasitamab. Research and development expenses for the three and nine months ended September 30, 2022, includes $21.9 million and $70.4 million, respectively, related to our 55% share of the co-development costs for tafasitamab. At September 30, 2023 and December 31, 2022, $12.4 million and $28.5 million, respectively, was included in accrued and other liabilities on the condensed consolidated balance sheets for amounts due to MorphoSys under the agreement.

Syndax

In September 2021, we entered into a Collaboration and License Agreement with Syndax Pharmaceuticals, Inc. (“Syndax”), covering the worldwide development and commercialization of SNDX-6352 (“axatilimab”). The agreement became effective in December 2021. Axatilimab, which is currently in clinical development, is a monoclonal antibody that blocks the colony stimulating factor-1 (CSF-1) receptor. Syndax obtained exclusive worldwide development and commercialization rights to axatilimab under a June 2016 license agreement with UCB Biopharma Sprl.

Under the terms of our agreement with Syndax, we received exclusive commercialization rights to axatilimab outside of the United States, and share commercialization rights in the United States. We are responsible for leading the commercialization strategy and booking all revenue from sales of axatilimab globally. Incyte and Syndax will share equally the profits and losses from the co-commercialization efforts in the United States. Sales of axatilimab outside the United States will be subject to our royalty payment obligations to Syndax, as set forth below. We and Syndax have agreed to co-develop axatilimab and to share development costs associated with global and U.S.-specific clinical trials, with Incyte responsible for 55% of such costs and Syndax responsible for 45% of such costs. Each company is responsible for funding any independent development activities. All development costs related to the collaboration are subject to a joint development plan.

In December 2021, we paid Syndax an upfront, non-refundable payment of $117.0 million, which was recorded in research and development expense on the consolidated statement of operations for the year ended December 31, 2021. Syndax is eligible to receive up to $220.0 million in future contingent development and regulatory milestones and up to $230.0 million in sales milestones as well as tiered royalties ranging in the mid-teens on net sales in Europe and Japan and low double digit percentage on net sales in the rest of the world outside of the United States. Syndax’s right to receive royalties in any particular country will expire upon the last to occur of (a) the expiration of patent rights in that particular country, (b) a specified period of time after the first post-marketing authorization sale of a licensed product comprising axatilimab in that country, and (c) the expiration of any regulatory exclusivity for that licensed product in that country.

As of September 30, 2023, we held an investment of approximately 1.4 million shares of Syndax common stock. The fair market value of our long term investment in Syndax as of September 30, 2023 and December 31, 2022 was $20.6 million and $36.2 million. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $9.2 million and $15.6 million, respectively, based on the change in fair value of Syndax’s common stock during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized gain of $6.8 million and $3.1 million, respectively, based on the change in fair value of Syndax’s common stock during the respective periods.

Research and development expenses for the three and nine months ended September 30, 2023, includes $5.1 million and $16.9 million, respectively, related to our 55% share of the co-development costs for axatilimab. At September 30, 2023, $7.3 million was included in accrued and other liabilities on the condensed consolidated balance sheet for amounts due to Syndax under the agreement.

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Other Agreements

In addition to the license and collaboration agreements discussed above, we have various other license and collaboration agreements that are not individually material to our operating results or financial condition at this time. Pursuant to the terms of those agreements, we may be required to pay, or we may receive, additional amounts contingent upon the occurrence of various future events such as future discovery, development, regulatory or commercial milestones, which in the aggregate could be material. In addition, if any products related to these collaborations are approved for sale, we may be required to pay, or we may receive, royalties on future sales. The payment or receipt of these amounts, however, is contingent upon the occurrence of various future events, the likelihood of which cannot presently be determined.

Note 8. Property and Equipment, net

Property and equipment, net consists of the following (in thousands):

	September 30, 2023		December 31, 2022
Office equipment	$	23,235	$	22,734
Laboratory equipment	205,466		192,141
Computer equipment	142,888		92,115
Land	10,484		10,429
Building and leasehold improvements	568,733		564,170
Operating lease right-of-use assets	21,938		23,311
Construction in progress	13,567		47,224
	986,311		952,124
Less accumulated depreciation and amortization	(253,265)		(212,814)
Property and equipment, net	$	733,046	$	739,310

Note 9. Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Royalties	$	354,947	$	263,466
Clinical related costs	100,282		130,570
Sales allowances	231,885		192,133
Sales and marketing	36,697		31,149
Construction in progress	11		3,493
Operating lease liabilities	6,181		8,195
Other current liabilities	90,604		72,047
Total accrued and other current liabilities	$	820,607	$	701,053

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Note 10. Stock Compensation

We recorded $48.0 million and $155.9 million of stock compensation expense on our condensed consolidated statements of operations for the three and nine months ended September 30, 2023, respectively. We recorded $45.4 million and $135.7 million of stock compensation expense on our condensed consolidated statements of operations for the three and nine months ended September 30, 2022, respectively. Stock compensation expense included within our condensed consolidated statements of operations included research and development expense of $26.9 million, $90.7 million, $25.8 million and $80.2 million for the three and nine months ended September 30, 2023 and 2022, respectively. Stock compensation expense included within our condensed consolidated statements of operations also included selling, general and administrative expense of $20.3 million, $62.8 million, $18.9 million and $53.5 million for the three and nine months ended September 30, 2023 and 2022, respectively. Stock compensation expense included within our condensed consolidated statements of operations also included cost of product revenues of $0.8 million, $2.4 million, $0.7 million and $2.0 million, respectively, for the three and nine months ended September 30, 2023 and 2022.

We utilized the Black-Scholes valuation model for estimating the fair value of the stock compensation granted, with the following weighted-average assumptions:

	Employee Stock Options												Employee Stock Purchase Plan
	For the Three Months Ended						For the Nine Months Ended						For the Three Months Ended						For the Nine Months Ended
	September 30,												September 30,
	2023			2022			2023			2022			2023			2022			2023			2022
Average risk-free interest rates	4.17		%	2.90		%	3.95		%	2.03		%	5.03		%	4.22		%	4.50		%	3.44		%
Average expected life (in years)	5.16			5.17			5.05			4.88			0.50			0.50			0.50			0.50
Volatility	32		%	35		%	32		%	36		%	24		%	31		%	22		%	27		%
Weighted-average fair value (in dollars)	$	22.32		$	27.57		$	24.68		$	25.96		$	15.36		$	16.46		$	14.72		$	15.38

The risk-free interest rate is derived from the U.S. Federal Reserve rate in effect at the time of grant. The expected life calculation is based on the observed and expected time to the exercise of options by our employees based on historical exercise patterns for similar type options. Expected volatility is based on the historical volatility of our common stock over the period commensurate with the expected life of the options. A dividend yield of zero is assumed based on the fact that we have never paid cash dividends and have no present intention to pay cash dividends. Nonemployee awards are measured on the grant date by estimating the fair value of the equity instruments to be issued using the expected term, similar to our employee awards.

Option activity under our 2010 Stock Incentive Plan (the “2010 Stock Plan”) was as follows:

	Shares Subject to Outstanding Options
	Shares	Weighted Average Exercise Price
Balance at December 31, 2022	12,650,359	$	87.25
Options granted	1,324,295	$	70.76
Options exercised	(231,417)	$	67.05
Options cancelled	(950,614)	$	91.40
Balance at September 30, 2023	12,792,623	$	85.60

Our annual stock option grants generally have a 10-year term and vest over four years, with 25% vesting after one year and the remainder vesting in 36 equal monthly installments.

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Restricted stock unit (“RSU”) and performance share (“PSU”) award activity under the 2010 Stock Plan was as follows:

	Shares Subject to Outstanding Awards
	Shares	Grant Date Value
Balance at December 31, 2022	5,187,592	$	81.24
RSUs granted	3,510,406	$	65.41
PSUs granted	300,512	$	61.76
RSUs released	(1,236,318)	$	83.57
PSUs released	(108,712)	$	102.44
RSUs cancelled	(303,726)	$	77.97
PSUs cancelled	(52,392)	$	72.47
Balance at September 30, 2023	7,297,362	$	72.31

RSUs and PSUs are granted to our employees at the share price on the date of grant. Each RSU represents the right to acquire one share of our common stock. Each RSU granted in connection with our annual equity awards will vest 25% annually over four years, while each RSU granted as outstanding merit awards or as part of retention award programs will vest in a single installment at the end of four years.

We grant PSUs with performance and/or service-based milestones with graded and/or cliff vesting over three to four years. The shares of our common stock into which each PSU may convert is subject to a multiplier based on the level at which the financial, developmental and market performance conditions are achieved over the service period. Compensation expense for PSUs with financial and developmental performance conditions is recorded over the estimated service period for each milestone when the performance conditions are deemed probable of achievement. For PSUs containing performance conditions which were not deemed probable of achievement, no stock compensation expense is recorded. Compensation expense for PSUs with market performance conditions is calculated using a Monte Carlo simulation model as of the date of grant and recorded over the requisite service period. For the three and nine months ended September 30, 2023 we recorded $4.2 million and $13.4 million, respectively, of stock compensation expense for PSUs on our condensed consolidated statements of operations. For the three and nine months ended September 30, 2022 we recorded $3.2 million and $5.1 million of stock compensation expense for PSUs on our condensed consolidated statements of operations.

The following table summarizes our shares available for grant under the 2010 Stock Plan. Each RSU and PSU grant reduces the available share pool by 2 shares.

	Shares Available for Grant
Balance at December 31, 2022	5,056,370
Additional authorization	12,500,000
Options, RSUs and PSUs granted	(8,946,489)
Options, RSUs and PSUs cancelled	1,662,566
Balance at September 30, 2023	10,272,447

Based on our historical experience of employee turnover, we have assumed an annualized forfeiture rate of 5% for our options, RSUs and PSUs. Under the true-up provisions of the stock compensation guidance, we will record additional expense if the actual forfeiture rate is lower than we estimated, and will record a recovery of prior expense if the actual forfeiture is higher than we estimated.

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Total compensation cost of options granted but not yet vested, as of September 30, 2023, was $37.1 million, which is expected to be recognized over the weighted average period of approximately 1.2 years. Total compensation cost of RSUs granted but not yet vested, as of September 30, 2023, was $278.1 million, which is expected to be recognized over the weighted average period of approximately 2.0 years. Total compensation cost of PSUs granted but not yet vested, as of September 30, 2023, was $24.1 million, which is expected to be recognized over the weighted average period of 2.1 years, should the underlying performance conditions be deemed probable of achievement.

Note 11. Income Taxes

For the three and nine months ended September 30, 2023 and 2022, we recorded the following provisions for income taxes and effective tax rates as compared to our income before provision for income taxes (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Income before provision for income taxes	$	233,799	$	148,588	$	563,259	$	448,501
Provision for income taxes	62,530		35,813		166,739		136,302
Effective tax rate	26.7%		24.1%		29.6%		30.4%

Our effective tax rate for each of the three and nine months ended September 30, 2023 and 2022 was higher than the U.S. statutory rate primarily due to foreign losses with no associated tax benefit (i.e., full valuation allowance) and an increase in our valuation allowance against certain U.S. federal and state deferred tax assets offset to a lesser extent by tax rate benefits associated with research and development and orphan drug tax credit generations and foreign derived intangible income deductions.

The effective tax rate for the three months ended September 30, 2023 increased as compared to the prior year period primarily due to an increase in foreign losses with no associated tax benefit. The effective tax rate for the nine months ended September 30, 2023 decreased as compared to the prior year period primarily due to greater tax benefits recognized in 2023 associated with research and development and orphan drug tax credit generations, partially offset by a decrease in the tax benefit associated with foreign derived intangible income.

The balance of our unrecognized tax benefits (including penalties and interest) decreased by $2.1 million during the nine months ended September 30, 2023. This movement was primarily driven by reductions related to prior period tax positions of $10.1 million, offset by additions to current and prior period tax positions of $5.3 million, as well as $2.7 million of interest and penalties. We accrue interest and penalties related to unrecognized tax benefits as a component of its provision for income taxes.

In August 2022, the Inflation Reduction Act of 2022 (“IRA”) was enacted into law. The IRA includes a 15% corporate alternative minimum tax and a 1% excise tax on share repurchases. We do not expect the IRA's tax provisions to have a material impact on our consolidated financial statements.

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Note 12. Net Income Per Share

Net income per share was calculated as follows for the periods indicated below:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Basic net income	$	171,269	$	112,775	$	396,520	$	312,199
Weighted average common shares outstanding	224,078		222,415		223,428		221,801
Basic net income per share	$	0.76	$	0.51	$	1.77	$	1.41
Diluted net income	$	171,269	$	112,775	$	396,520	$	312,199
Weighted average common shares outstanding	224,078		222,415		223,428		221,801
Dilutive stock options and awards	2,089		1,760		2,328		1,825
Weighted average shares used to compute diluted net income per share	226,167		224,175		225,756		223,626
Diluted net income per share	$	0.76	$	0.50	$	1.76	$	1.40

The potential common shares that were excluded from the diluted net income per share computation are as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
Outstanding stock options and awards	12,997,146	11,150,022	11,964,901	10,979,096

Note 13. Employee Benefit Plans

Defined Contribution Plans

We have a defined contribution plan qualified under Section 401(k) of the Internal Revenue Code covering all U.S. employees and defined contribution plans for other Incyte employees in Europe and Japan. Employees may contribute a portion of their compensation, which is then matched by us, subject to certain limitations. Defined contribution expense for the three and nine months ended September 30, 2023 was $5.0 million and $14.6 million, respectively. Defined contribution expense for the three and nine months ended September 30, 2022 was $5.1 million and $14.7 million, respectively.

Defined Benefit Pension Plans

We have defined benefit pension plans for our employees in Europe which provide benefits to employees upon retirement, death or disability. The assets of the pension plans are held in collective investment accounts represented by the cash surrender value of an insurance policy and are classified as Level 2 within the fair value hierarchy.

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The net periodic benefit cost was as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Service cost	$	1,999	$	2,376	$	5,820	$	7,336
Interest cost	1,060		61		1,721		187
Expected return on plan assets	(2,017)		(1,008)		(4,293)		(3,114)
Amortization of prior service cost	175		193		554		580
Amortization of actuarial losses	—		89		—		266
Net periodic benefit cost	$	1,217	$	1,711	$	3,802	$	5,255

The components of net periodic benefit cost other than the service cost component are included in Interest income and other, net on the condensed consolidated statements of operations. We expect to contribute a total of $8.0 million to the pension plans in 2023 inclusive of the amounts contributed to the plan during the current period.

Note 14. Commitments and Contingencies

We have entered into the collaboration agreements described in Note 7, as well as various other collaboration agreements that are not individually, or in the aggregate, significant to our operating results or financial condition at this time. We may in the future seek to license additional rights relating to technologies or drug development candidates in connection with our drug discovery and development programs. Under these agreements, we may be required to pay upfront fees, milestone payments, and royalties on sales of future products.

In the ordinary course of our business, we may become involved in lawsuits, proceedings, and other disputes, including commercial, intellectual property, regulatory, employment, and other matters. We record a reserve for these matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

We brought a lawsuit against the U.S. Centers for Medicare and Medicaid Services (“CMS”) alleging that a recent regulation issued by CMS on the definition of “line extension” for purposes of the Medicaid rebate program is too broad and has the unintended consequence of treating OPZELURA as a “line extension” of JAKAFI under this program. We believe that such a reading would be a violation of CMS’s statutory authority and that it would be arbitrary and capricious to treat OPZELURA which, among other differentiators, is indicated to treat entirely different medical conditions and entirely different patient populations than JAKAFI. As of September 30, 2023, we have accrued approximately $42.9 million within accrued and other current liabilities on the condensed consolidated balance sheet. The impact on OPZELURA gross to net deductions for the quarter ending September 30, 2023 is approximately 6.6%. If OPZELURA is not treated as a line extension of JAKAFI, this would result in a reversal of our accrual and a lower future gross to net deduction for OPZELURA.

In addition, we have an outstanding contractual dispute with Novartis relating to royalties on JAKAFI net sales within the United States. Refer to Note 7.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion of our financial condition and results of operations as of and for the three and nine months ended September 30, 2023 should be read in conjunction with the unaudited condensed consolidated financial statements and notes to those statements included elsewhere in this Quarterly Report on Form 10-Q and our audited consolidated financial statements as of and for the year ended December 31, 2022 included in our Annual Report on Form 10-K for the year ended December 31, 2022 previously filed with the SEC.

Forward-Looking Statements

This report contains forward-looking statements that involve risks and uncertainties. These statements relate to future periods, future events or our future operating or financial plans or performance. Often, these statements include the words “believe,” “expect,” “target,” “anticipate,” “intend,” “plan,” “seek,” “estimate,” “potential,” or words of similar meaning, or future or conditional verbs such as “will,” “would,” “should,” “could,” “might,” or “may,” or the negative of these terms, and other similar expressions. These forward-looking statements include statements as to:

•the discovery, development, formulation, manufacturing and commercialization of our compounds, our drug candidates and JAKAFI®/JAKAVI® (ruxolitinib), PEMAZYRE® (pemigatinib), ICLUSIG® (ponatinib), MONJUVI®(tafasitamab-cxix) /MINJUVI® (tafasitamab), OPZELURA™ (ruxolitinib) cream and ZYNYZ™ (retifanlimab-dlwr);

•our plans to further develop our operations outside of the United States;

•conducting clinical trials internally, with collaborators, or with clinical research organizations;

•our collaboration and strategic relationship strategy, and anticipated benefits and disadvantages of entering into collaboration agreements;

•our licensing, investment and commercialization strategies, including our plans to commercialize our drug products and drug candidates;

•the regulatory approval process, including obtaining U.S. Food and Drug Administration and other international regulatory authorities’ approval for our products in the United States and abroad;

•the safety, effectiveness and potential benefits and indications of our drug candidates and other compounds under development;

•the timing and size of our clinical trials; the compounds expected to enter clinical trials; timing of clinical trial results;

•our ability to manage expansion of our drug discovery and development operations;

•future required expertise relating to clinical trials, manufacturing, sales and marketing;

•obtaining and terminating licenses to products, drug candidates or technology, or other intellectual property rights;

•the receipt from or payments pursuant to collaboration or license agreements resulting from milestones or royalties;

•plans to develop and commercialize products on our own;

•plans to use third-party manufacturers;

•plans for our manufacturing operations;

•expected expenses and expenditure levels; expected uses of cash; expected revenues and sources of revenues, including milestone payments; expectations with respect to inventory;

•expectations with respect to reimbursement for our products;

•the expected impact of recent accounting pronouncements and changes in tax laws;

•expected losses; fluctuation of losses; currency translation impact associated with non-U.S. operations and collaboration royalties;

•our profitability; the adequacy of our capital resources to continue operations;

•the need to raise additional capital;

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•the costs associated with resolving matters in litigation and governmental proceedings;

•our expectations regarding competition;

•our investments, including anticipated expenditures, losses and expenses; and

•our patent prosecution and maintenance efforts.

These forward-looking statements reflect our current views with respect to future events, are based on assumptions and are subject to risks and uncertainties. These risks and uncertainties could cause actual results to differ materially from those projected and include, but are not limited to:

•our ability to successfully commercialize our drug products and drug candidates;

•our ability to obtain, or maintain at anticipated levels, coverage and reimbursement for our products from government health administration authorities, private health insurers and other organizations;

•our ability to establish and maintain effective sales, marketing and distribution capabilities;

•the risk of reliance on other parties to manufacture our products, which could result in a short supply of our products, increased costs, and withdrawal of regulatory approval;

•our ability to maintain regulatory approvals to market our products;

•our ability to achieve a significant market share in order to achieve or maintain profitability;

•the risk of civil or criminal penalties if we market our products in a manner that violates health care fraud and abuse and other applicable laws, rules and regulations;

•our ability to discover, develop, formulate, manufacture and commercialize our drug candidates;

•the risk of unanticipated delays in, or discontinuations of, research and development efforts;

•the risk that previous preclinical testing or clinical trial results are not necessarily indicative of future clinical trial results;

•risks relating to the conduct of our clinical trials, including geopolitical risks;

•changing regulatory requirements;

•the risk of adverse safety findings;

•the risk that results of our clinical trials do not support submission of a marketing approval application for our drug candidates;

•the risk of significant delays or costs in obtaining regulatory approvals;

•risks relating to our reliance on third-party manufacturers, collaborators, and clinical research organizations;

•risks relating to the development of new products and their use by us and our current and potential collaborators;

•risks relating to our inability to control the development of out-licensed compounds or drug candidates;

•risks relating to our collaborators’ ability to develop and commercialize JAKAVI, OLUMIANT, TABRECTA and the drug candidates licensed from us;

•costs associated with prosecuting, maintaining, defending and enforcing patent claims and other intellectual property rights;

•our ability to maintain or obtain adequate product liability and other insurance coverage;

•the risk that our drug candidates may not obtain or maintain regulatory approval;

•the impact of technological advances and competition, including potential generic competition;

•our ability to compete against third parties with greater resources than ours;

•risks relating to changes in pricing and reimbursement in the markets in which we may compete;

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•risks relating to governmental healthcare reform efforts, including efforts to control, set or cap pricing for our commercial drugs in the U.S and abroad;

•competition to develop and commercialize similar drug products;

•our ability to obtain and maintain patent protection and freedom to operate for our discoveries and to continue to be effective in expanding our patent coverage;

•the impact of changing laws on our patent portfolio;

•developments in and expenses relating to litigation;

•our ability to in-license drug candidates or other technology;

•unanticipated delays or changes in plans or regulatory agency interactions or other issues relating to our large molecule production facility;

•our ability to integrate successfully acquired businesses, development programs or technology;

•our ability to obtain additional capital when needed;

•fluctuations in net cash provided and used by operating, financing and investing activities;

•our ability to analyze the effects of new accounting pronouncements and apply new accounting rules;

•risks relating to our ability to sustain profitability;

•risks related to public health pandemics such as the COVID-19 pandemic, natural disasters, or geopolitical events such as the Russian invasion of Ukraine; and

•the risks set forth under “Risk Factors.”

Given these risks and uncertainties, you should not place undue reliance on these forward-looking statements. Except as required by federal securities laws, we undertake no obligation to update any forward-looking statements for any reason, even if new information becomes available or other events occur in the future.

In this report all references to “Incyte,” “we,” “us,” “our” or the “Company” mean Incyte Corporation and our subsidiaries, except where it is made clear that the term means only the parent company.

Incyte, JAKAFI and PEMAZYRE are our registered trademarks and OPZELURA and ZYNYZ are our trademarks. We also refer to trademarks of other corporations and organizations in this Quarterly Report on Form 10-Q.

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Summary Risk Factors

Our business is subject to numerous risks and uncertainties that could affect our ability to successfully implement our business strategy and affect our financial results. You should carefully consider all of the information in this report and, in particular, the following principal risks and all of the other specific factors described in Item 1A. of this report, “Risk Factors,” before deciding whether to invest in our company.

•We depend heavily on JAKAFI/JAKAVI (ruxolitinib), and if we are not able to maintain revenues from JAKAFI/JAKAVI or those revenues decrease, our business may be materially harmed.

•If we or our collaborators are unable to obtain, or maintain at anticipated levels, coverage and reimbursement for our products from government and other third-party payors, our results of operations and financial condition could be harmed.

•A limited number of specialty pharmacies and wholesalers represent a significant portion of revenues from JAKAFI and most of our other products, and the loss of, or significant reduction in sales to, any one of these specialty pharmacies or wholesalers could harm our operations and financial condition.

•If we are unable to establish and maintain effective sales, marketing and distribution capabilities, or to enter into agreements with third parties to do so, we will not be able to successfully commercialize our products.

•If we fail to comply with applicable laws and regulations, we could lose our approval to market our products or be subject to other governmental enforcement activity.

•If the use of our products harms or is perceived to harm patients, our regulatory approvals could be revoked or otherwise negatively impacted or we could be subject to costly product liability claims.

•If we market our products in a manner that violates various laws and regulations, we may be subject to civil or criminal penalties.

•Competition for our products could harm our business and result in a decrease in our revenue.

•Public health pandemics, natural disasters, and other geopolitical events, could adversely affect our business and results of operations.

•We or our collaborators may be unsuccessful in discovering and developing drug candidates, and we may spend significant time and money attempting to do so, in particular with our later stage drug candidates.

•If we or our collaborators are unable to obtain regulatory approval in and outside of the United States for drug candidates, we and our collaborators will be unable to commercialize those drug candidates.

•Health care reform measures could impact the pricing and profitability of pharmaceuticals, and adversely affect the commercial viability of our or our collaborators’ products and drug candidates.

•Conflicts between us and our collaborators or termination of our collaboration agreements could limit future development and commercialization of our drug candidates and harm our business.

•If we are unable to establish collaborations to fully exploit our drug discovery and development capabilities or if future collaborations are unsuccessful, our future revenue prospects could be diminished.

•If we fail to enter into additional in-licensing agreements or if these arrangements are unsuccessful, we may be unable to increase our number of successfully marketed products and our revenues.

•Even if one of our drug candidates receives regulatory approval, we may determine that commercialization would not be worth the investment.

•Any approved drug product that we bring to the market may not gain market acceptance by physicians, patients, healthcare payors and others in the medical community.

•We have limited capacity to conduct preclinical testing and clinical trials, and our resulting dependence on other parties could result in delays in and additional costs for our drug development efforts.

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•We face significant competition for our drug discovery and development efforts, and if we do not compete effectively, our commercial opportunities will be reduced or eliminated.

•Our reliance on others to manufacture our drug products and drug candidates could result in drug supply constraints, delays in clinical trials, increased costs, and withdrawal or denial of regulatory approvals.

•If we fail to comply with the extensive legal and regulatory requirements affecting the health care industry, we could face increased costs, penalties and a loss of business.

•The illegal distribution and sale by third parties of counterfeit or unfit versions of our or our collaborators’ products or stolen products could harm our business and reputation.

•As most of our drug discovery and development operations are conducted at our headquarters in Wilmington, Delaware, the loss of access to this facility would negatively impact our business.

•If we lose any of our key employees or are unable to attract and retain additional personnel, our business and ability to achieve our objectives could be harmed.

•If we fail to manage our growth effectively, our ability to develop and commercialize products could suffer.

•We may acquire businesses or assets, form joint ventures or make investments in other companies that may be unsuccessful, divert our management’s attention and harm our operating results and prospects.

•Risks associated with our operations outside of the United States could adversely affect our business.

•If product liability lawsuits are brought against us, we could face substantial liabilities and may be required to limit commercialization of our products, and our results of operations could be harmed.

•Because our activities involve the use of hazardous materials, we may be subject to claims relating to improper handling, storage or disposal of these materials that could be time consuming and costly.

•We expect to continue to incur significant expenses to discover and develop drugs, which could result in future losses and impair our achievement of and ability to sustain profitability in the future.

•If we are unable to raise additional capital in the future when we require it, our efforts to broaden our product portfolio or commercialization efforts could be limited.

•Our marketable securities and long term investments are subject to risks that could adversely affect our overall financial position, and tax law changes could adversely affect our results of operations and financial condition.

•If we are unable to achieve milestones, develop product candidates to license or renew or enter into new collaborations, our royalty and milestone revenues and future prospects for those revenues may decrease.

•Any arbitration or litigation involving us and regarding intellectual property infringement claims could be costly and disrupt our drug discovery and development efforts.

•Our inability to adequately protect or enforce our proprietary information may result in loss of revenues or otherwise reduce our ability to compete.

•If the effective term of our patents is decreased or if we need to refile some of our patent applications, the value of our patent portfolio and the revenues we derive from it may be decreased.

•International patent protection is particularly uncertain and costly, and our involvement in opposition proceedings may result in the expenditure of substantial sums and management resources.

•Significant disruptions of information technology systems, breaches of data security, or unauthorized disclosures of sensitive data could harm our business and subject us to liability or reputational damage.

•Increasing use of social media could give rise to liability, breaches of data security, or reputational damage, which could harm our business and results of operations.

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Overview

Incyte is a biopharmaceutical company focused on the discovery, development and commercialization of proprietary therapeutics. Our global headquarters is located in Wilmington, Delaware, where we conduct global clinical development and commercial operations. We also conduct clinical development and commercial operations from our European headquarters in Morges, Switzerland and our other offices across Europe, as well as our Japanese office in Tokyo and our Canadian headquarters in Montreal.

As described in more detail below, we operate in two therapeutic areas that are defined by the indications of our approved medicines and the diseases for which our clinical candidates are being developed. One therapeutic area is Hematology/Oncology, which comprises Myeloproliferative Neoplasms (MPNs), Graft-Versus-Host Disease (GVHD), and solid tumors and hematologic malignancies. The other therapeutic area is Inflammation and Autoimmunity (IAI), which includes our Dermatology commercial franchise. We are also eligible to receive milestones and royalties on molecules discovered by us and licensed to third parties.

Hematology and Oncology

Our hematology and oncology franchise comprises five approved products, which are JAKAFI (ruxolitinib), MONJUVI (tafasitamab-cxix)/MINJUVI (tafasitamab), PEMAZYRE (pemigatinib), ICLUSIG (ponatinib) and ZYNYZ (retifanlimab-dlwr), as well as numerous clinical development programs.

JAKAFI (ruxolitinib)

JAKAFI (ruxolitinib) is our first product to be approved for sale in the United States. It was approved by the U.S. Food and Drug Administration (FDA) in November 2011 for the treatment of adults with intermediate or high-risk myelofibrosis (MF); in December 2014 for the treatment of adults with polycythemia vera (PV) who have had an inadequate response to or are intolerant of hydroxyurea; in May 2019 for the treatment of steroid-refractory acute graft-versus-host disease (GVHD) in adult and pediatric patients 12 years and older; and in September 2021 for the treatment of chronic GVHD after failure of one or two lines of systemic therapy in adult and pediatric patients 12 years and older. MF and PV are both myeloproliferative neoplasms (MPNs), a type of rare blood cancer, and GVHD is an adverse immune response to an allogeneic hematopoietic stem cell transplant (HSCT). Under our collaboration agreement with our collaboration partner Novartis Pharmaceutical International Ltd., Novartis received exclusive development and commercialization rights to ruxolitinib outside of the United States for all hematologic and oncologic indications and sells ruxolitinib outside of the United States under the name JAKAVI.

In 2003, we initiated a research and development program to explore the inhibition of enzymes called janus associated kinases (JAK). The JAK family is composed of four tyrosine kinases—JAK1, JAK2, JAK3 and Tyk2—that are involved in the signaling of a number of cytokines and growth factors. JAKs are central to a number of biologic processes, including the formation and development of blood cells and the regulation of immune functions. Dysregulation of the JAK-STAT signaling pathway has been associated with a number of diseases, including myeloproliferative neoplasms, other hematological malignancies, rheumatoid arthritis and other chronic inflammatory diseases.

We have discovered multiple potent, selective and orally bioavailable JAK inhibitors that are selective for JAK1 or JAK1 and JAK2. JAKAFI is the most advanced compound in our JAK program. It is an oral JAK1 and JAK2 inhibitor.

JAKAFI is marketed in the United States through our own specialty sales force and commercial team. JAKAFI was the first FDA-approved JAK inhibitor for any indication, was the first FDA-approved product in MF, PV and steroid-refractory acute GVHD, and was recently approved in steroid-refractory chronic GVHD. JAKAFI remains the first-line standard of care in MF and remains the only FDA-approved product for steroid-refractory acute GVHD. The FDA has granted JAKAFI orphan drug status for MF, PV and GVHD.

JAKAFI is distributed primarily through a network of specialty pharmacy providers and wholesalers that allow for efficient delivery of the medication by mail directly to patients or direct delivery to the patient’s pharmacy. Our distribution process uses a model that is well-established and familiar to physicians who practice within the oncology field.

To further support appropriate use and future development of JAKAFI, our U.S. Medical Affairs department is responsible for providing appropriate scientific and medical education and information to physicians, preparing scientific presentations and publications, and overseeing the process for supporting investigator sponsored trials.

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In September 2023, we were notified by the Centers for Medicare and Medicaid Services (CMS) that ruxolitinib phosphate qualified for the Small Biotech Exception for initial price applicability year 2026.

Myelofibrosis. MF is a rare, life-threatening condition. MF, considered the most serious of the myeloproliferative neoplasms, can occur either as primary MF, or as secondary MF that develops in some patients who previously had polycythemia vera or essential thrombocythemia. We estimate there are between 16,000 and 18,500 patients with MF in the United States. Based on the modern prognostic scoring systems referred to as International Prognostic Scoring System and Dynamic International Prognostic Scoring System, we believe intermediate and high-risk patients represent 80% to 90% of all patients with MF in the United States and encompass patients over the age of 65, or patients who have or have ever had any of the following: anemia, constitutional symptoms, elevated white blood cell or blast counts, or platelet counts less than 100,000 per microliter of blood.

Most MF patients have enlarged spleens and many suffer from debilitating symptoms, including abdominal discomfort, pruritus (itching), night sweats and cachexia (involuntary weight loss). There were no FDA approved therapies for MF until the approval of JAKAFI.

The FDA approval was based on results from two randomized Phase III trials (COMFORT-I and COMFORT-II), which demonstrated that patients treated with JAKAFI experienced significant reductions in splenomegaly (enlarged spleen). COMFORT-I also demonstrated improvements in symptoms. The most common hematologic adverse reactions in both trials were thrombocytopenia and anemia. These events rarely led to discontinuation of JAKAFI treatment. The most common non-hematologic adverse reactions were bruising, dizziness and headache.

In August 2014, the FDA approved supplemental labeling for JAKAFI to include Kaplan-Meier overall survival curves as well as additional safety and dosing information. The overall survival information is based on three-year data from COMFORT-I and II, and shows that at three years the probability of survival for patients treated with JAKAFI in COMFORT-I was 70% and for those patients originally randomized to placebo it was 61%. In COMFORT-II, at three years the probability of survival for patients treated with JAKAFI was 79% and for patients originally randomized to best available therapy it was 59%. In December 2016, we announced an exploratory pooled analysis of data from the five-year follow-up of the COMFORT-I and COMFORT-II trials of patients treated with JAKAFI, which further supported previously published overall survival findings.

In September 2016, we announced that JAKAFI had been included as a recommended treatment in the latest National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology for myelofibrosis, underscoring the important and long term clinical benefits seen in patients treated with JAKAFI.

In October 2017, the FDA approved updated labeling for JAKAFI to include the addition of new patient-reported outcome (PRO) data from the COMFORT-I study, as well as updating the warning related to progressive multifocal leukoencephalopathy. An exploratory analysis of PRO data of patients with myelofibrosis receiving JAKAFI showed improvement in fatigue-related symptoms at Week 24. Fatigue response (defined as a reduction of 4.5 points or more from baseline in the PROMIS® Fatigue total score) was reported in 35% of patients treated with JAKAFI versus 14% of the patients treated with placebo.

Polycythemia Vera. PV is a myeloproliferative neoplasm typically characterized by elevated hematocrit, the volume percentage of red blood cells in whole blood, which can lead to a thickening of the blood and an increased risk of blood clots, as well as an elevated white blood cell and platelet count. When phlebotomy can no longer control PV, chemotherapy such as hydroxyurea, or interferon, is utilized. Approximately 25,000 patients with PV in the United States are considered uncontrolled because they have an inadequate response to or are intolerant of hydroxyurea, the most commonly used chemotherapeutic agent for the treatment of PV.

In December 2014, the FDA approved JAKAFI for the treatment of patients with PV who have had an inadequate response to or are intolerant of hydroxyurea. The approval of JAKAFI for PV was based on data from the pivotal Phase III RESPONSE trial. In this trial, patients treated with JAKAFI demonstrated superior hematocrit control and reductions in spleen volume compared to best available therapy. In addition, a greater proportion of patients treated with JAKAFI achieved complete hematologic remission—which was defined as achieving hematocrit control, and lowering platelet and white blood cell counts. In the RESPONSE trial, the most common hematologic adverse reactions (incidence > 20%) were thrombocytopenia and anemia. The most common non-hematologic adverse events (incidence >10%) were headache, abdominal pain, diarrhea, dizziness, fatigue, pruritus, dyspnea and muscle spasms.

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In March 2016, the FDA approved supplemental labeling for JAKAFI to include additional safety data as well as efficacy analyses from the RESPONSE trial to assess the durability of response in JAKAFI treated patients after 80 weeks. At this time, 83% patients were still on treatment, and 76% of the responders at 32 weeks maintained their response through 80 weeks.

In June 2016, we announced data from the Phase III RESPONSE-2 study of JAKAFI in patients with inadequately controlled PV that was resistant to or intolerant of hydroxyurea who did not have an enlarged spleen. These data showed that JAKAFI was superior to best available therapy in maintaining hematocrit control (62.2% vs. 18.7%, respectively; P<0.0001) without the need for phlebotomy.

In August 2017, we announced that JAKAFI had been included as a recommended treatment in the latest NCCN Guidelines for patients with polycythemia vera who have had an inadequate response to first-line therapies, such as hydroxyurea.

Graft-versus-host disease. GVHD is a condition that can occur after an allogeneic HSCT (the transfer of genetically dissimilar stem cells or tissue). In GVHD, the donated bone marrow or peripheral blood stem cells view the recipient’s body as foreign and attack various tissues. 12-month survival rates in patients with Grade III or IV steroid-refractory acute GVHD are 50% or less, and the incidence of steroid-refractory acute and chronic GVHD is approximately 3,000 per year in the United States.

In June 2016, we announced that the FDA granted Breakthrough Therapy designation for ruxolitinib in patients with acute GVHD. In May 2019, the FDA approved JAKAFI for the treatment of steroid-refractory acute GVHD in adult and pediatric patients 12 years and older. The approval was based on data from REACH1, an open-label, single-arm, multicenter study of JAKAFI in combination with corticosteroids in patients with steroid-refractory grade II-IV acute GVHD. The overall response rate (ORR) in patients refractory to steroids alone was 57% with a complete response (CR) rate of 31%. The most frequently reported adverse reactions among all study participants were infections (55%) and edema (51%), and the most common laboratory abnormalities were anemia (75%), thrombocytopenia (75%) and neutropenia (58%).

In September 2021, the FDA approved JAKAFI for the treatment of chronic GVHD after failure of one or two lines of systemic therapy in adult and pediatric patients 12 years and older. This approval was based on data from REACH3, a Phase III, randomized, open-label, multicenter study of JAKAFI in comparison to best available therapy for treatment of steroid-refractory chronic GVHD after allogeneic stem cell transplantation. The overall response rate through Cycle 7 Day 1 was 70% for JAKAFI compared to 57% for best available therapy. The most common hematologic adverse reactions (incidence > 35%) were anemia and thrombocytopenia. The most common non-hematologic adverse reactions (incidence ≥ 20%) were infections (pathogen not specified) and viral infection. In addition, the FDA updated labeling for JAKAFI to include warnings of increased risk of major adverse cardiovascular events, thrombosis, and secondary malignancies related to another JAK-inhibitor treating rheumatoid arthritis, a condition for which JAKAFI is not indicated. In patients with MF and PV treated with JAKAFI in clinical trials, the rates of thromboembolic events were similar in JAKAFI and control treated patients.

We have retained all development and commercialization rights to JAKAFI in the United States and are eligible to receive development and sales milestones as well as royalties from product sales outside the United States. We hold patents that cover the composition of matter and use of ruxolitinib and its salt. These patents, including applicable extensions, currently expire in mid-2028 and late-2028. In December 2022, we were granted pediatric exclusivity, which adds six months to the expiration for all ruxolitinib patents listed in FDA’s Approved Drug Products with Therapeutic Equivalence Evaluations (Orange Book) as of the date of the grant of pediatric exclusivity.

MONJUVI (tafasitamab-cxix) / MINJUVI (tafasitamab)

In January 2020, we and MorphoSys AG entered into a collaboration and license agreement to further develop and commercialize MorphoSys’ proprietary anti-CD19 antibody tafasitamab (MOR208) globally. The agreement became effective March 2020. Tafasitamab is an Fc-engineered antibody against CD19 currently in clinical development for the treatment of B cell malignancies. We have rights to co-commercialize tafasitamab in the United States with MorphoSys, and we have exclusive development and commercialization rights outside of the United States.

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In July 2020, we and MorphoSys announced that the FDA approved MONJUVI (tafasitamab-cxix), which is indicated in combination with lenalidomide for the treatment of adult patients with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) not otherwise specified, including DLBCL arising from low grade lymphoma, and who are not eligible for autologous stem cell transplant (ASCT). MONJUVI was approved under accelerated approval based on overall response rate from the MorphoSys-sponsored Phase II L-MIND study, an open label, multicenter, single arm trial of MONJUVI in combination with lenalidomide as a treatment for adult patients with r/r DLBCL. Results from the study showed an objective response rate (ORR) of 55% (39 out of 71 patients; primary endpoint) and a complete response (CR) rate of 37% (26 out of 71 patients). The median duration of response (mDOR) was 21.7 months. The most frequent serious adverse reactions were infections (26%), including pneumonia (7%) and febrile neutropenia (6%). Updated three-year data from L-MIND were presented at the American Society of Clinical Oncology (ASCO) 2021 and final five-year data were presented at the American Association for Cancer Research (AACR) 2023, which showed that the Monjuvi plus lenalidomide regimen followed by Monjuvi monotherapy provided prolonged, durable responses in adult patients with r/r DLBCL.

In August 2020, we and MorphoSys announced that MONJUVI in combination with lenalidomide had been included in the latest National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology for B-cell Lymphomas.

In August 2021, we and MorphoSys announced that the European Commission (EC) granted conditional marketing authorization for MINJUVI (tafasitamab) in combination with lenalidomide, followed by MINJUVI monotherapy, for the treatment of adult patients with relapsed or refractory DLBCL who are not eligible for autologous stem cell transplant (ASCT). The conditional approval was based on the three-year results from the L-MIND study evaluating the safety and efficacy of MINJUVI in combination with lenalidomide as a treatment for patients with r/r DLBCL who are not eligible for ASCT. The results showed best objective response rate (ORR) of 56.8% (primary endpoint), including a complete response (CR) rate of 39.5% and a partial response rate (PR) of 17.3%, as assessed by an independent review committee. The median duration of response (mDOR) was 43.9 months after a minimum follow up of 35 months (secondary endpoint). MINJUVI together with lenalidomide was shown to provide a clinically meaningful response and the side effects were manageable. Warnings and precautions for MINJUVI include infusion-related reactions, myelosuppression, including neutropenia and thrombocytopenia, infections and tumour lysis syndrome.

DLBCL is the most common type of non-Hodgkin lymphoma in adults worldwide, comprising 40% of all cases. DLBCL is characterized by rapidly growing masses of malignant B-cells in the lymph nodes, spleen, liver, bone marrow or other organs. It is an aggressive disease with ~40% of patients not responding to initial therapy or relapsing thereafter. We estimate that there are ~10,000 patients diagnosed in the United States each year with r/r DLBCL who are not eligible for ASCT. In the EU, we estimate there are ~14,000 patients diagnosed each year with r/r DLBCL who are not eligible for ASCT.

PEMAZYRE (pemigatinib)

PEMAZYRE is the first internally discovered product to be internationally commercialized by us.

In April 2020, we announced that the FDA approved PEMAZYRE (pemigatinib), a selective fibroblast growth factor receptor (FGFR) kinase inhibitor, for the treatment of adults with previously treated, unresectable locally advanced or metastatic cholangiocarcinoma with an FGFR2 fusion or other rearrangement as detected by an FDA-approved test. PEMAZYRE is the first FDA-approved treatment for this indication, which was approved under accelerated approval based on overall response rate and duration of response (DOR).

In March 2021, PEMAZYRE was approved by the Japanese Ministry of Health, Labour and Welfare (MHLW) for the treatment of patients with unresectable biliary tract cancer (BTC) with an FGFR2 fusion gene, worsening after cancer chemotherapy. Also in March 2021, PEMAZYRE was approved by the European Commission (EC) for the treatment of adults with locally advanced or metastatic cholangiocarcinoma with an FGFR2 fusion or rearrangement that have progressed after at least one prior line of systemic therapy.

In July 2021, the UK’s National Institute for Health and Care Excellence (NICE) recommended PEMAZYRE for patients with cholangiocarcinoma with a fibroblast growth factor receptor 2 (FGFR2) fusion or rearrangement that have progressed after at least one prior line of systemic therapy. NICE’s guidance enables all eligible patients in England and Wales to have access to PEMAZYRE through the National Health Service (NHS).

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In March 2022, PEMAZYRE was approved by the National Medical Products Administration (NMPA) of the People’s Republic of China for the treatment of adults with locally advanced or metastatic cholangiocarcinoma with a fibroblast growth receptor 2 (FGFR2) fusion or rearrangement as confirmed by a validated diagnostic test that have progressed after at least one prior line of systemic therapy.

Cholangiocarcinoma is a rare cancer that arises from the cells within the bile ducts. It is often diagnosed late (stages III and IV) and the prognosis is poor. The incidence of cholangiocarcinoma with FGFR2 fusions or rearrangements is increasing, and it is currently estimated that there are 2,000-3,000 patients in the United States, Europe and Japan.

The approval of PEMAZYRE was based on data from FIGHT-202, a multi-center, open-label, single-arm study evaluating PEMAZYRE as a treatment for adults with cholangiocarcinoma. In FIGHT-202, and in patients harboring FGFR2 fusions or rearrangements (Cohort A), PEMAZYRE monotherapy resulted in an overall response rate of 36% (primary endpoint), and median DOR of 9.1 months (secondary endpoint). FIGHT-302, a Phase III trial of pemigatinib for the first-line treatment of patients with cholangiocarcinoma and FGFR2 fusions or rearrangements, is ongoing.

In August 2022, PEMAZYRE was approved by the FDA as the first and only targeted treatment for myeloid/lymphoid neoplasms (MLNs) with FGFR1 rearrangement. MLNs with FGFR1 rearrangement are extremely rare and aggressive blood cancers.

In March 2023, PEMAZYRE was approved by the MHLW for the treatment of MLNs with FGFR1 fusion.

ICLUSIG (ponatinib)

In June 2016, we acquired the European operations of ARIAD Pharmaceuticals, Inc. and obtained an exclusive license to develop and commercialize ICLUSIG (ponatinib) in Europe and other select countries. ICLUSIG is a kinase inhibitor. The primary target for ICLUSIG is BCR-ABL, an abnormal tyrosine kinase that is expressed in chronic myeloid leukemia (CML) and Philadelphia-chromosome positive acute lymphoblastic leukemia (Ph+ ALL).

In the European Union, ICLUSIG is approved for the treatment of adult patients with chronic phase, accelerated phase or blast phase CML who are resistant to dasatinib or nilotinib; who are intolerant to dasatinib or nilotinib and for whom subsequent treatment with imatinib is not clinically appropriate; or who have the T315I mutation, or the treatment of adult patients with Ph+ ALL who are resistant to dasatinib; who are intolerant to dasatinib and for whom subsequent treatment with imatinib is not clinically appropriate; or who have the T315I mutation.

ZYNYZ (retifanlimab-dlwr)

In October 2017, we and MacroGenics, Inc. announced an exclusive global collaboration and license agreement for MacroGenics’ retifanlimab (formerly INCMGA0012), an investigational monoclonal antibody that inhibits PD-1. Under this collaboration, we obtained exclusive worldwide rights for the development and commercialization of retifanlimab in all indications. The molecule is currently being evaluated both as monotherapy and in combination therapy across various tumor types. Two Phase III trials evaluating retifanlimab in squamous cell anal cancer (SCAC) and non-small cell lung cancer (NSCLC) are ongoing.

In March 2023, we announced that the FDA approved ZYNYZ (retifanlimab-dlwr), a humanized monoclonal antibody targeting programmed death receptor-1 (PD-1), under accelerated approval, for the treatment of adults with metastatic or recurrent locally advanced Merkel cell carcinoma (MCC). This represents the first regulatory approval for our PD-1 inhibitor.

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Clinical Programs in Hematology and Oncology

Ruxolitinib

As part of our ongoing LIMBER (Leadership In MPNs BEyond Ruxolitinib) clinical development initiative, which is designed to improve and expand therapeutic options for patients with myeloproliferative neoplasms, we are evaluating combinations of ruxolitinib with other therapeutic modalities, as well as developing a once-a-day formulation of ruxolitinib for potential use as monotherapy and combination therapy. Bioavailability and bioequivalence data were published for ruxolitinib’s once-daily (QD) extended release (XR) formulation at the European Hematology Association (EHA) 2021 Virtual Congress in June 2021. In March 2023, the FDA issued a complete response letter for ruxolitinib extended-release (XR) tablets for once-daily (QD) use in the treatment of certain types of MF, PV and GVHD. The complete response letter stated that the FDA could not approve the application in its present form but acknowledged that the study submitted in the NDA met its objective of bioequivalence based on area under the curve parameters but identified additional requirements for approval. We will work with the FDA to determine the appropriate next steps.

Phase II trials combining ruxolitinib with investigational agents from our portfolio such as INCB57643 (BET) and INCB00928 (ALK2) in patients with MF are ongoing, and in June 2023, at the American Society of Clinical Oncology (ASCO) annual meeting, updated data was presented which demonstrated early signals of clinical activity of both agents in monotherapy and in combination with ruxolitinib. Additional discovery and development initiatives are also ongoing within the LIMBER program, which are evaluating internally-discovered compounds, and candidates from collaboration partners. We recently announced the discontinuation of LIMBER-304 and LIMBER-313, two Phase III studies evaluating ruxolitinib in combination with parsaclisib in MF patients with a suboptimal response to ruxolitinib monotherapy and in first-line MF, respectively. These studies were discontinued as a result of planned interim analyses which indicated that the studies were unlikely to meet their primary endpoint in the intent-to-treat patient population. The recommendation to stop the studies was not due to safety.

Axatilimab

In September 2021, we and Syndax Pharmaceuticals, Inc. announced an exclusive worldwide collaboration and license agreement to develop and commercialize axatilimab, Syndax’s anti-CSF-1R monoclonal antibody. Together, we plan to develop axatilimab as a therapy for patients with chronic GVHD as well as in additional immune-mediated diseases where CSF-1R-dependent monocytes and macrophages are believed to contribute to organ fibrosis. In December 2021, updated positive data were presented at ASH from the Phase I/II trial evaluating axatilimab as a monotherapy in patients with recurrent or refractory chronic GVHD after two or more prior lines of therapy. A 68% overall response rate and broad clinical benefit across multiple organs were observed at doses being assessed in AGAVE-201, a global pivotal trial evaluating axatilimab monotherapy in patients with chronic GVHD in the third line setting. Additional trials of axatilimab are planned in patients with chronic GVHD, including a Phase II trial in combination with ruxolitinib in patients with cGVHD. In May 2022, Syndax announced that axatilimab was granted fast-track designation by the FDA for the treatment of patients with chronic GVHD after failure of two or more lines of systemic therapy.

In July 2023, we and Syndax announced that AGAVE-201 had met its primary endpoint across all cohorts with an overall response rate (ORR) of 74% at the dose of 0.3 mg/kg administered every two weeks. The data highlight the durable response seen at the 0.3 mg/kg dose with 60% of patients who responded to axatilimab still responding at one year.

INCA033989 (mCALR)

In December 2022, new research detailing the development and mechanism of action of INCA033989, an Incyte-discovered, investigational novel anti-mutant calreticulin (CALR)-targeted monoclonal antibody, was featured in the Plenary Scientific Session at the 64th American Society of Hematology (ASH) Annual Meeting. INCA033989 binds with high affinity to mutant CALR and inhibits oncogenesis, the process of cells becoming cancerous, in cells expressing this oncoprotein. CALR mutations are responsible for disease development in approximately 25-35% of patients with MF and ET. In July 2023, we initiated a Phase I study evaluating INCA033989.

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Tafasitamab

Tafasitamab is an anti-CD19 antibody and is being investigated as a therapeutic option in B cell malignancies in a number of ongoing and planned combination trials. An open-label Phase II combination trial (L-MIND) is investigating the safety and efficacy of tafasitamab in combination with lenalidomide in patients with relapsed or refractory diffuse large B-cell lymphoma (r/r DLBCL), and the ongoing Phase III B-MIND trial is assessing the combination of tafasitamab and bendamustine versus rituximab and bendamustine in r/r DLBCL. firstMIND is a Phase Ib safety trial of tafasitamab as a first-line therapy for patients with DLBCL, and frontMIND, a placebo-controlled Phase III trial evaluating tafasitamab in combination with lenalidomide added to rituximab plus chemotherapy (R-CHOP) as a first-line therapy for patients with DLBCL, is ongoing.

A placebo-controlled Phase III trial (inMIND) of tafasitamab added to lenalidomide plus rituximab (R2) in patients with relapsed or refractory follicular or marginal zone lymphomas is ongoing.

In January 2021, the FDA granted orphan drug designation to tafasitamab as a treatment for patients with follicular lymphoma.

Pemigatinib

Pemigatinib is a potent and selective inhibitor of the fibroblast growth factor receptor (FGFR) isoforms 1, 2 and 3 with demonstrated activity in preclinical studies. The FGFR family of receptor tyrosine kinases can act as oncogenic drivers in a number of liquid and solid tumor types.

We initiated the FIGHT clinical program to evaluate pemigatinib across a spectrum of cancers that are driven by FGF/FGFR alterations. The program initially included three Phase II trials – FIGHT-201 in patients with bladder cancer, FIGHT-202 in patients with cholangiocarcinoma, and FIGHT-203 in patients with myeloid/lymphoid neoplasms with FGFR1 rearrangement. Based on data generated from these trials, we have initiated additional trials including FIGHT-302, a Phase III study in first-line cholangiocarcinoma. FIGHT-207, a solid tumor-agnostic trial evaluating pemigatinib in patients with driver-alterations of FGF/FGFR, is now closed to recruitment. Based on findings from this study, we have identified populations that may potentially benefit from treatment with pemigatinib and a Phase II trial, FIGHT-209, in patients with glioblastoma is ongoing.

Pemigatinib has Breakthrough Therapy designation as a treatment for patients with myeloid/lymphoid neoplasms (MLN) with FGFR1 rearrangement who have relapsed or are refractory to initial chemotherapy.

Retifanlimab

The Phase III POD1UM-303 trial of retifanlimab in combination with platinum-based chemotherapy as a first-line treatment for patients with squamous cell carcinoma of the anal canal (SCAC) is ongoing. In July 2021, we announced that the FDA issued a complete response letter (CRL) for the BLA of retifanlimab for the treatment of SCAC. In October 2021, we announced that we withdrew the MAA seeking approval of retifanlimab in SCAC.

The Phase III POD1UM-304 trial is evaluating retifanlimab in combination with platinum-based chemotherapy as a first-line treatment for patients with non-small cell lung cancer (NSCLC).

Oral PD-L1

In November 2021, we highlighted Phase I clinical safety and efficacy data for our oral PD-L1 program which included two compounds, INCB99280 and INCB99318. Tumor shrinkage was observed for both oral PD-L1 inhibitors and both were generally well tolerated. We plan to evaluate INCB99280 in Phase II as monotherapy and in combination with other antitumor agents. Further dose escalation and dose expansion trials are ongoing with INCB99318.

In November 2022, (i) updated safety and preliminary efficacy data for INCB99280 and INCB99318 was presented at the Society for Immunotherapy of Cancer, and (ii) we and Mirati Therapeutics, Inc. announced a clinical trial collaboration and supply agreement to investigate the combination of INCB99280 and adagrasib, a KRASG12C selective inhibitor, in patients with KRASG12C-mutated solid tumors.

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In July 2023, we initiated two Phase I studies evaluating INCB99280 in combination with axitinib (VEGF) and in combination with ipilimumab (CTLA-4). A Phase II study evaluating INCB99280 in patients with select solid tumors who are checkpoint inhibitor naive was also initiated. Additionally, we initiated a Phase II study evaluating INCB99280 in metastatic cutaneous squamous cell carcinoma (cSCC) or locally advanced cSCC. We and Replimune Group, Inc. announced a clinical trial collaboration and supply agreement to investigate the combination of INCB99280 and RP1 in patients with cutaneous squamous cell carcinoma. RP1 is Replimune’s lead oncolytic immunotherapy product candidate and is based on a proprietary new strain of herpes simplex virus engineered for robust tumor selective replication and genetically armed with a fusogenic protein (GALV-GP R-) and GM-CSF, intended to maximize tumor killing potency, the immunogenicity of tumor cell death, and the activation of a systemic anti-tumor immune response.

	Indication and status
ruxolitinib XR (QD) (JAK1/JAK2)	Myelofibrosis, polycythemia vera and GVHD
ruxolitinib + zilurgisertib (JAK1/JAK2 + ALK2)	Myelofibrosis: Phase II
ruxolitinib + INCB57643 (JAK1/JAK2 + BET)	Myelofibrosis: Phase II
ruxolitinib + CK08041 (JAK1/JAK2 + CB-Tregs)	Myelofibrosis: Phase I (LIMBER-TREG108)
axatilimab (anti-CSF-1R)2	Chronic GVHD: Pivotal Phase II (third-line plus therapy) (AGAVE-201)
ruxolitinib + axatilimab2 (JAK1/JAK2 + anti-CSF-1R)	Chronic GVHD: Phase I/II in preparation
INCA033989 (mCALR)	Myelofibrosis, essential thrombocythemia: Phase I
tafasitamab (CD19)3	r/r DLBCL: Phase III (B-MIND) 1L DLBCL: Phase III (frontMIND) r/r follicular & marginal zone lymphomas: Phase III (inMIND)
pemigatinib (FGFR1/2/3)	Myeloid/lymphoid neoplasms (MLN): approved in the U.S. and Japan CCA: Phase III (FIGHT-302) Glioblastoma: Phase II (FIGHT-209)
retifanlimab (PD-1)4	Merkel cell carcinoma: approved in the U.S. SCAC: Phase III (PODIUM-303) NSCLC: Phase III (POD1UM-304) MSI-high endometrial cancer: Phase II (POD1UM-101, POD1UM-204)
INCB99280 (Oral PD-L1)	Solid tumors (combination): Phase I Solid tumors (monotherapy): Phase II Cutaneous squamous cell carcinoma (cSCC): Phase II
INCB99318 (Oral PD-L1)	Solid tumors: Phase I

1.Development collaboration with Cellenkos, Inc.

2.axatilimab development in collaboration with Syndax.

3.tafasitamab development in collaboration with MorphoSys.

4.retifanlimab licensed from MacroGenics.

5.Clinical trial collaboration and supply agreement with Mirati Therapeutics.

Earlier-Stage Development Programs in Hematology and Oncology

INCB123667 (CDK2)

In the cell cycle, the serine threonine kinase, CDK2, regulates the transition from the G1 phase (cell growth) to the S-phase (DNA replication). INCB123667 is a novel, potent and selective oral small molecule inhibitor of CDK2 which has been shown to suppress tumor growth as monotherapy and in combination with standard of care, in Cyclin E amplified tumor models, in vivo.

In April 2023, we presented data at the American Association for Cancer Research (AACR) Annual Meeting, demonstrating INCB123667 exhibited significant single-agent activity in vivo, in CCNE1high breast cancer xenograft and patient-derived xenograft models. INCB123667 is currently being evaluated in a Phase I clinical trial in patients with advanced malignancies including CCNE1high TNBC and HR+HER2- tumors post-CDK4/6 inhibitors.

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INCA32459 (LAG-3xPD-1)

In collaboration with Merus N.V. we have developed INCA32459, a novel LAG3xPD-1 bispecific antibody that is currently being evaluated in clinical studies.

INCA33890 (TGFβR2xPD-1)

INCA33890 is a TGFβR2xPD-1 bispecific antibody which has been engineered to avoid the known toxicity of broad TGFβ pathway blockade. INCA33890 has a 10-fold higher binding affinity for PD-1 relative to TGFβR2, and blocks TGFβ signaling specifically in cells co-expressing PD-1. In April 2023, we presented preclinical data at AACR which showed INCA33890 inhibits tumor growth in PD-1-resistant mouse models. In July 2023, we initiated a Phase I study evaluating INCA33890 in patients with select advanced solid tumors.

Our earlier-stage clinical programs in hematology and oncology, are included in the table below. We intend to describe these programs more fully if we obtain clinical proof-of-concept and establish that a program warrants further development in a specific indication or group of indications.

Modality	Candidates
Small molecules	INCB123667 (CDK2)
Monoclonal antibodies	INCAGN2385 (LAG-3)1, INCAGN2390 (TIM-3)1
Bispecific antibodies	INCA32459 (LAG-3xPD-1)2, INCA33890 (TGFβR2xPD-1)2

1. Discovery collaboration with Agenus Inc.

2. Development collaboration with Merus.

Inflammation and AutoImmunity (IAI)

Incyte Dermatology launched its first approved product, OPZELURA (ruxolitinib) cream, in October 2021, following FDA approval for atopic dermatitis in September 2021. OPZELURA was subsequently approved by the FDA and European Commission for vitiligo in July 2022 and April 2023, respectively.

Incyte’s IAI efforts also include numerous clinical development programs.

OPZELURA (ruxolitinib) cream

Atopic Dermatitis. In September 2021, we announced that the FDA approved OPZELURA (ruxolitinib) cream, a novel cream formulation of Incyte’s selective JAK1/JAK2 inhibitor ruxolitinib, for the topical short-term and non-continuous chronic treatment of mild to moderate atopic dermatitis (AD) in non-immunocompromised patients 12 years of age and older whose disease is not adequately controlled with topical prescription therapies, or when those therapies are not advisable.

AD is a skin disorder that causes long term inflammation of the skin resulting in itchy, red, swollen and cracked skin. Onset can occur at any age, but is more common in infants and children. In the United States, we estimate that there are approximately 10 million diagnosed adolescent and adult patients with AD.

The approval of OPZELURA was based on data from two randomized, double-blind, vehicle-controlled Phase III studies (TRuE-AD1 and TRuE-AD 2) evaluating the safety and efficacy of OPZELURA in adolescents and adults with mild to moderate AD. Significantly more patients treated with OPZELURA achieved Investigator’s Global Assessment (IGA) Treatment Success at Week 8 (defined as an IGA score of 0 or 1 with at least a 2-point improvement from baseline, the primary endpoint: 53.8% in TRuE-AD1 and 51.3% in TRuE-AD2, compared to vehicle (15.1% in TRuE-AD1, 7.6% in TRuE-AD2; P<0.0001)). Significantly more patients treated with OPZELURA experienced a clinically meaningful reduction in itch from baseline at Week 8, as measured by a ≥4-point reduction in the itch Numerical Rating Scale (itch NRS4): 52.2% in TRuE-AD1 and 50.7% in TRuE-AD2, compared to vehicle (15.4% in TRuE-AD1, 16.3% in TRuE-AD2; P<0.0001), among patients with an NRS score of at least 4 at baseline. The most common (≥1%) treatment-emergent adverse reactions in patients treated with OPZELURA were nasopharyngitis, diarrhea, bronchitis, ear infection, eosinophil count increased, urticaria, folliculitis, tonsillitis and rhinorrhea.

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Vitiligo. In July 2022, we announced that the FDA approved OPZELURA for the topical treatment of nonsegmental vitiligo in adult and pediatric patients 12 years of age and older. OPZELURA was approved for continuous use and no limits to duration as a treatment for nonsegmental vitiligo.

Vitiligo is a chronic autoimmune depigmenting skin disease characterized by patches of the skin losing their pigment. It is estimated that there are at least 1.5 million patients diagnosed with vitiligo in the United States, with the majority of patients (approximately 85%) suffering from nonsegmental vitiligo. OPZELURA is the first and only FDA approved treatment for repigmentation of vitiligo lesions.

The approval of OPZELURA in vitiligo was based on two randomized, double-blind, vehicle-controlled Phase III studies (TRuE-V1 and TRuE-V2) evaluating the safety and efficacy of OPZELURA in adolescents and adults with nonsegmental vitiligo. Treatment with 1.5% ruxolitinib cream twice daily (BID) resulted in greater improvement versus vehicle for the primary and all key secondary endpoints in both the TRuE-V1 and TRuE-V2 studies. Results, which were consistent across both studies, showed that 29.9% of patients applying ruxolitinib cream achieved >75% improvement from baseline in the facial Vitiligo Area Scoring Index (F-VASI75) at Week 24, the primary endpoint. At Week 52, approximately 50% of patients achieved F-VASI75. The most common (>1%) treatment-emergent adverse reactions in patients treated with OPZELURA were application site acne, application site pruritus, nasopharyngitis, headache, urinary tract infection, application site erythema and pyrexia. In March 2023, at the American Academy of Dermatology (AAD), long-term 104-week safety and efficacy data for ruxolitinib cream in vitiligo were presented, demonstrating that patients who achieved a high level of facial repigmentation (≥F-VASI90) at Week 52 maintained durable response one year following withdrawal of treatment and that those patients who continued treatment with Opzelura for up to two years demonstrated sustained facial repigmentation and further improvements in facial and total body repigmentation.

In April 2023, we announced that the European Commission approved OPZELURA for the topical treatment of nonsegmental vitiligo with facial involvement in adults and adolescents 12 years and older following a positive opinion from the Committee for Medicinal Products for Human Use (CHMP).

In October 2023, new results of a pooled analysis of long-term extension (LTE) data from the pivotal Phase 3 TRuE-V program assessing Opzelura cream 1.5% in patients 12 years of age and older with nonsegmental vitiligo who previously experienced limited or no response to treatment at Week 24 were presented at the European Academy of Dermatology and Venereology (EADV) Congress 2023 as a late-breaking oral presentation. These results showed patients who initially experienced limited or no facial or total body repigmentation at six months achieved improved repigmentation after continued treatment with Opzelura for up to two years.

Clinical Programs in Dermatology

Ruxolitinib cream

Ruxolitinib cream is a potent, selective inhibitor of JAK1 and JAK2 that provides the opportunity to directly target diverse pathogenic pathways that underlie certain dermatologic conditions, including atopic dermatitis, vitiligo, lichen planus, lichen sclerosus, hidradenitis suppurativa and prurigo nodularis.

In October 2021, we announced the validation of the MAA for ruxolitinib cream as a potential treatment for adolescents and adults (age ≥12 years) with nonsegmental vitiligo with facial involvement.

In November 2022, we initiated two Phase II trials evaluating ruxolitinib cream in lichen planus and lichen sclerosus. Lichen planus is a recurrent inflammatory condition affecting the skin and mucosal surfaces and can result in itchy, purple bumps on the skin. Lichen sclerosus is a chronic inflammatory skin disease most commonly affecting women and can result in painful ulcers and intense itching. A Phase II trial evaluating ruxolitinib cream in mild to moderate hidradenitis suppurativa is ongoing and two Phase III trials evaluating ruxolitinib cream in prurigo nodularis were initiated. We continue to expand the development of ruxolitinib cream into new indications as part of our efforts to maximize the potential opportunity with ruxolitinib cream.

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In July 2023, we announced that the Phase III trial (TRuE-AD3) evaluating ruxolitinib cream in pediatric AD patients (age >2 and <12) had met its primary endpoint. The study showed significantly more patients treated with ruxolitinib cream 0.75% and 1.5% achieved Investigator's Global Assessment Treatment Success (IGA-TS) than patients treated with vehicle control. In October 2023, the expanded results from the pivotal Phase 3 TRuE-AD3 were presented at EADV. Significantly more patients treated with ruxolitinib cream (0.75% and 1.5%) achieved Investigator’s Global Assessment Treatment Success (IGA-TS) than patients treated with vehicle control (non-medicated cream).

Povorcitinib

We are also developing povorcitinib (formerly INCB54707), which is an oral small molecule selective JAK1 inhibitor. Povorcitinib is undergoing evaluation in patients with hidradenitis suppurativa (HS), a chronic skin condition where lesions develop as a result of inflammation and infection of the sweat glands. In October 2020, initial results from the clinical program were presented and a randomized Phase IIb trial of povorcitinib is underway in patients with HS.

In March 2021, we initiated a Phase II trial evaluating povorcitinib in patients with vitiligo. A Phase II trial evaluating povorcitinib in patients with prurigo nodularis is ongoing. In August 2022, we presented results from the Phase II trial of povorcitinib in HS. In December 2022, we initiated two Phase III trials (STOP-HS1 and STOP-HS2) in moderate to severe hidradenitis suppurativa.

In February 2023, 52-week results from the Phase II study evaluating povorcitinib in HS were presented as an oral presentation at the European Hidradenitis Suppurativa Foundation (EHSF) Annual Meeting. The data demonstrated that longer-term treatment with povorcitinib 75 mg resulted in sustained and durable efficacy across all treatment arms and importantly, 22-29% of patients achieved HiSCR100, which is defined as a 100% reduction from baseline in total AN count with no increase from baseline in abscess or draining tunnel count. Povorcitinib is currently in two phase III studies in moderate to severe HS.

In March 2023, 36-week results from the Phase IIb study evaluating povorcitinib in patients with extensive vitiligo were presented as an oral late-breaking presentation at the American Academy of Dermatology (AAD) Annual Meeting. The data demonstrated that treatment with oral povorcitinib was associated with substantial total body repigmentation in patients with extensive nonsegmental vitiligo, as measured by total Vitiligo Area Scoring Index (T-VASI) scores. Specifically, the study met its primary endpoint and patients receiving povorcitinib experienced statistically superior improvements in T-VASI at Week 24 compared to placebo.

In July 2023, we initiated two Phase II trials evaluating povorcitinib in patients with moderate to severe uncontrolled asthma and in chronic spontaneous urticaria. In October 2023, positive 52-week data from a Phase IIb clinical trial evaluating the safety and efficacy of povorcitinib in adult patients with extensive nonsegmental vitiligo were presented at EADV as a late-breaking oral presentation. Results showed that treatment with oral povorcitinib was associated with substantial total body and facial repigmentation across all treatment groups at Week 52 and further reinforces the efficacy profile and potential of povorcitinib as an oral treatment for patients with extensive nonsegmental vitiligo. Additionally, we announced in October 2023 that the Phase II, randomized, double-blind, placebo-controlled, dose ranging study evaluating the efficacy and safety of povorcitinib in participants with prurigo nodularis (PN) met its primary endpoint. A Phase III study in PN is being planned.

Earlier-Stage Development Programs in Dermatology

INCA034460

In November 2022, we acquired Villaris Therapeutics, Inc., an asset-centric biopharmaceutical company focused on the development of novel antibody therapeutics for vitiligo. INCA034460 is a novel, humanized anti-IL-15Rβ monoclonal antibody designed to target and deplete autoreactive tissue resident memory T cells (TRM) that has demonstrated efficacy as a treatment for vitiligo in preclinical models. In July 2023, INCA034460 received IND clearance and in October 2023, we announced the first patient was dosed.

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	Indication and status
ruxolitinib cream1 (JAK1/JAK2)	Atopic dermatitis: Phase III pediatric study (TRuE-AD3) Vitiligo: Phase III (TRuE-V1, TRuE-V2); approved in the U.S. and Europe Lichen planus: Phase II Lichen sclerosus: Phase II Hidradenitis suppurativa: Phase II Prurigo nodularis: Phase III (TRuE-PN1, TRuE-PN2)
ruxolitinib cream + NB-UVB (JAK1/JAK2 + phototherapy)	Vitiligo: Phase II
povorcitinib (JAK1)	Hidradenitis suppurativa: Phase IIb; Phase III (STOP-HS1, STOP-HS2) Vitiligo: Phase II; Phase III planned Prurigo nodularis: Phase II Asthma: Phase II Chronic spontaneous urticaria: Phase II
INCA034460 (anti-IL-15Rβ)	Vitiligo: Phase I initiated

1. Novartis’ rights for ruxolitinib outside of the United States under our Collaboration and License Agreement with Novartis do not include topical administration.

Clinical Programs in Other IAI

In May 2022, we initiated a Phase II trial evaluating INCB00928 in patients with fibrodysplasia ossificans progressiva (FOP), a disorder in which muscle tissue and connective tissue are gradually replaced by bone. The FDA has granted Fast Track designation and orphan drug designation to INCB00928 as a treatment for patients with FOP.

	Indication and status
INCB00928 (ALK2)	Fibrodysplasia ossificans progressiva: Phase II

Collaborative Partnered Programs

As described below under “—License Agreements and Business Relationships,” we are eligible for milestone payments and royalties on certain products that we licensed to third parties. These include OLUMIANT (baricitinib), which is licensed to our collaborative partner Eli Lilly and Company, and JAKAVI (ruxolitinib) and TABRECTA (capmatinib), which are licensed to Novartis.

Baricitinib

We have a second JAK1 and JAK2 inhibitor, baricitinib, which is subject to our collaboration agreement with Lilly, in which Lilly received exclusive worldwide development and commercialization rights to the compound for inflammatory and autoimmune diseases.

Rheumatoid Arthritis. Rheumatoid arthritis is an autoimmune disease characterized by aberrant or abnormal immune mechanisms that lead to joint inflammation and swelling and, in some patients, the progressive destruction of joints. Rheumatoid arthritis can also affect connective tissue in the skin and organs of the body.

Current rheumatoid arthritis treatments include the use of non-steroidal anti-inflammatory drugs, disease-modifying anti-rheumatic drugs, such as methotrexate, and the newer biological response modifiers that target pro-inflammatory cytokines, such as tumor necrosis factor, implicated in the pathogenesis of rheumatoid arthritis. None of these approaches to treatment is curative; therefore, there remains an unmet need for new safe and effective treatment options for these patients. Rheumatoid arthritis is estimated to affect about 1% of the world’s population.

The Phase III program of baricitinib in patients with rheumatoid arthritis incorporated all three rheumatoid arthritis populations (methotrexate naïve, biologic naïve, and tumor necrosis factor (TNF) inhibitor inadequate responders); used event rates to fully power the baricitinib program for structural comparison and non-inferiority vs. adalimumab; and evaluated patient-reported outcomes. All four Phase III trials met their respective primary endpoints.

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In January 2016, Lilly submitted an NDA to the FDA and an MAA to the EMA for baricitinib as treatment for rheumatoid arthritis. In February 2017, we and Lilly announced that the European Commission approved baricitinib as OLUMIANT for the treatment of moderate-to-severe rheumatoid arthritis in adult patients who have responded inadequately to, or who are intolerant to, one or more disease-modifying antirheumatic drugs (DMARDs). In July 2017, the MHLW granted marketing approval for OLUMIANT for the treatment of rheumatoid arthritis (including the prevention of structural injury of joints) in patients with inadequate response to standard-of-care therapies. In June 2018, the FDA approved the 2mg dose of OLUMIANT for the treatment of adults with moderately-to-severely active rheumatoid arthritis (RA) who have had an inadequate response to one or more tumor necrosis factor (TNF) inhibitor therapies.

Atopic Dermatitis. Lilly has conducted a Phase IIa trial and a Phase III program to evaluate the safety and efficacy of baricitinib in patients with moderate-to-severe atopic dermatitis. The JAK-STAT pathway has been shown to play an essential role in the dysregulation of immune responses in atopic dermatitis. Therefore, we believe that inhibiting cytokine pathways dependent on JAK1 and JAK2 may lead to positive clinical outcomes in AD.

In February 2019, we and Lilly announced that baricitinib met the primary endpoint in BREEZE-AD1 and BREEZE-AD2, two Phase III studies evaluating the efficacy and safety of baricitinib monotherapy for the treatment of adult patients with moderate-to-severe AD and, in August 2019, we and Lilly announced that baricitinib met the primary endpoint in BREEZE-AD7, a Phase III study evaluating the efficacy and safety of baricitinib in combination with standard-of-care topical corticosteroids in patients with moderate-to-severe AD. In January 2020, we and Lilly announced that baricitinib met the primary endpoint in both BREEZE-AD4 and BREEZE-AD5, the results of which completed the placebo-controlled data program intended to support global registrations. A supplemental New Drug Application (sNDA) for baricitinib was submitted by Lilly for the treatment of patients with moderate to severe AD. In April 2021, we and Lilly announced the FDA extended the review period for the sNDA for baricitinib for the treatment of moderate to severe AD by three months to allow time for additional data analyses. In July 2021, we and Lilly announced that the FDA will not meet the PDUFA action date for the sNDA for baricitinib for the treatment of adults with moderate to severe AD due to the FDA's ongoing assessment of JAK inhibitors. In January 2022, Lilly provided a regulatory update on the sNDA based on ongoing discussions with the FDA. Lilly announced that alignment with the FDA on the indicated population had not yet been reached and given the FDA’s position, there would be the possibility of a Complete Response Letter (CRL).

In January 2020, Lilly announced that baricitinib had been submitted for regulatory review in Europe as a treatment for patients with moderate-to-severe AD. In October 2020, Lilly announced that the European Commission approved baricitinib as OLUMIANT for the treatment of moderate-to-severe AD in adult patients who are candidates for systemic therapy. In December 2020, baricitinib was approved by the MHLW for the treatment of patients with moderate-to-severe AD.

Alopecia Areata. Alopecia areata is an autoimmune disorder in which the immune system attacks the hair follicles, causing hair loss in patches. In March 2020, Lilly announced that baricitinib received Breakthrough Therapy designation for the treatment of alopecia areata, based on the positive Phase II results of Lilly’s adaptive Phase II/III study BRAVE-AA1. In March 2021, we and Lilly announced positive results from BRAVE-AA2, the Phase III trial evaluating the efficacy and safety of once-daily baricitinib in adults with severe alopecia areata. In April 2021, we and Lilly announced positive results from the Phase III portion of BRAVE-AA1. In September 2021, we and Lilly announced detailed results from BRAVE-AA1 and BRAVE-AA2 at the European Academy of Dermatology and Venereology Congress (EADV). The two studies showed statistically significant improvement in scalp hair regrowth across both baricitinib dosing groups when compared to placebo. In March 2022, we and Lilly announced positive 52 week results from BRAVE-AA1 and BRAVE-AA2 at the American Academy of Dermatology (AAD) annual meeting showing 40% of adults saw at least 80% scalp coverage. In June 2022, the FDA approved 2mg, and 4mg doses of OLUMIANT for the treatment of adults with severe alopecia areata, becoming the first and only systemic treatment in the indication. In June 2022, OLUMIANT was approved as a treatment for alopecia areata in Europe and Japan.

Systemic Lupus Erythematosus. Systemic lupus erythematosus (SLE) is a chronic disease that causes inflammation. In addition to affecting the skin and joints, it can affect other organs in the body such as the kidneys, the tissue lining the lungs and heart, and the brain. Lilly has conducted a Phase II trial to evaluate the safety and efficacy of baricitinib in patients with SLE. Baricitinib’s activity profile suggests that it inhibits cytokines implicated in SLE such as type I interferon (IFN), type II IFN-γ, IL-6, and IL-23 as well as other cytokines that may have a role in SLE, including granulocyte macrophage colony stimulating factor (GM-CSF) and IL-12.

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In January 2022, Lilly announced the discontinuation of the Phase III development program for baricitinib in SLE based on top-line efficacy results from two pivotal Phase III trials (SLE-BRAVE-I and –II). The primary endpoint of SRI-4 response was reached in SLE-BRAVE-I but was not reached in SLE-BRAVE-II and key secondary endpoints were not met in either study.

COVID-19. In May 2020, we amended our agreement with Lilly to enable Lilly to commercialize baricitinib for the treatment of COVID-19. In November 2020, we and Lilly announced that the FDA issued an Emergency Use Authorization (EUA) for the distribution and emergency use of baricitinib to be used in combination with remdesivir in hospitalized adult and pediatric patients two years of age or older with suspected or laboratory confirmed COVID-19 who require supplemental oxygen, invasive mechanical ventilation, or extracorporeal membrane oxygenation. In December 2020, we and Lilly announced that data from ACTT-2 supportive of the EUA were published in the New England Journal of Medicine. In July 2021, we and Lilly announced that the FDA broadened the EUA for baricitinib to allow for treatment with or without remdesivir. The EUA now provides for the use of baricitinib for treatment of COVID-19 in hospitalized adults and pediatric patients two years of age or older requiring supplemental oxygen, non-invasive or invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO). In June 2022, we and Lilly announced the FDA approved baricitinib as OLUMIANT for the treatment of COVID-19 in hospitalized adults requiring supplemental oxygen, non-invasive or invasive mechanical ventilation or ECMO.

Capmatinib

Capmatinib is a potent and highly selective MET inhibitor. The investigational compound has demonstrated inhibitory activity in cell-based biochemical and functional assays that measure MET signaling and MET dependent cell proliferation, survival and migration. Under our agreement, Novartis received worldwide exclusive development and commercialization rights to capmatinib and certain back-up compounds in all indications. Capmatinib is being evaluated in patients with hepatocellular carcinoma, non-small cell lung cancer and other solid tumors, and may have potential utility as a combination agent.

MET is a clinically validated receptor kinase cancer target. Abnormal MET activation in cancer correlates with poor prognosis. Dysregulation of the MET pathway triggers tumor growth, formation of new blood vessels that supply the tumor with nutrients, and causes cancer to spread to other organs. Dysregulation of the MET pathway is seen in many types of cancers, including lung, kidney, liver, stomach, breast and brain.

In May 2020, we and Novartis announced the FDA approval of capmatinib as TABRECTA for the treatment of adult patients with metastatic NSCLC whose tumors have a mutation that leads to MET exon 14 skipping (METex14) as detected by an FDA-approved test. TABRECTA is the first and only treatment approved to specifically target NSCLC with this driver mutation and is approved for first-line and previously treated patients regardless of prior treatment type.

The FDA approval of TABRECTA was based on results from the pivotal GEOMETRY mono-1 study. In the METex14 population (n=97), the confirmed overall response rate was 68% and 41% among treatment-naive (n=28) and previously treated patients (n=69), respectively, based on the Blinded Independent Review Committee (BIRC) assessment per RECIST v1.1. In patients taking TABRECTA, the study also demonstrated a median duration of response of 12.6 months in treatment-naive patients (19 responders) and 9.7 months in previously treated patients (28 responders). The most common treatment-related adverse events (AEs) (incidence ≥20%) are peripheral edema, nausea, fatigue, vomiting, dyspnea, and decreased appetite. In September 2020, we and Novartis announced that GEOMETRY mono-1 results were published in The New England Journal of Medicine.

In June 2020, we and Novartis announced that the MHLW approved TABRECTA for METex14 mutation-positive advanced and/or recurrent unresectable NSCLC. In April 2022, we and Novartis announced a positive opinion from the CHMP based on data from the Phase II GEOMETRY mono-1 study showing an overall response rate (ORR) of 51.6% in a cohort evaluating second-line patients only and 44% in all previously-treated patients with advanced non-small cell lung cancer (NSCLC) harboring alterations leading to MET exon 14 skipping.

In June 2022, we and Novartis announced the European Commission approval of capmatinib as TABRECTA as monotherapy treatment of adults with advanced non-small cell lung cancer (NSCLC) harboring alterations leading to mesenchymal-epithelial-transition factor gene (MET) exon 14 (METex14) skipping who require systemic therapy following prior treatment with immunotherapy and/or platinum-based chemotherapy.

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NSCLC is the most common type of lung cancer, impacting more than 2 million people per year globally. Approximately 3-4 percent of all patients with NSCLC have tumors with a mutation that leads to MET exon 14 skipping. Though rare, this mutation is an indicator of especially poor prognosis and poor responses to standard therapies, including immunotherapy.

Ruxolitinib

Graft-versus-host disease. In March 2022, we and Novartis announced a positive opinion from the CHMP for ruxolitinib in acute and chronic GVHD, based on data from the Phase III REACH2 and REACH3 trials. GVHD is a life-threatening complication of stem cell transplants, with no established standard of care in Europe for patients who do not adequately respond to first-line steroid treatment. In May 2022, we and Novartis announced the EC approval of ruxolitinib as JAKAVI for the treatment of acute or chronic GVHD in patients aged 12 years and older who have inadequate response to corticosteroids or other systemic therapies. In August 2023, Novartis announced Jakavi was approved for use in graft-versus-host disease after hematopoietic stem cell transplant, in Japan.

	Indication and status
baricitinib (Olumiant®) (JAK1/JAK2)1	Atopic dermatitis: approved in Europe and Japan Severe alopecia areata: approved in the United States, Europe and Japan
capmatinib (Tabrecta®) (MET)2	NSCLC (with MET exon 14 skipping mutations): approved in the United States, Europe and Japan
ruxolitinib (Jakavi®) (JAK1/JAK2)3	Acute and chronic GVHD: approved in Europe and Japan

1. baricitinib licensed to Lilly.

2. capmatinib licensed to Novartis.

3. ruxolitinib licensed to Novartis ex-US for use in hematology and oncology excluding topical administration.

License Agreements and Business Relationships

We establish business relationships, including collaborative arrangements with other companies and medical research institutions to assist in the clinical development and/or commercialization of certain of our drugs and drug candidates and to provide support for our research programs. We also evaluate opportunities for acquiring products or rights to products and technologies that are complementary to our business from other companies and medical research institutions.

Below is a brief description of our significant business relationships and collaborations and related license agreements that expand our pipeline and provide us with certain rights to existing and potential new products and technologies. Additional information regarding our collaboration agreements, including their financial and accounting impact on our business and results of operations, can be found in Note 7 of notes to the condensed consolidated financial statements.

Out-License Agreements

Novartis

In November 2009, we entered into a Collaboration and License Agreement with Novartis. Under the terms of the agreement, Novartis received exclusive development and commercialization rights outside of the United States to ruxolitinib and certain back up compounds for hematologic and oncology indications, including all hematological malignancies, solid tumors and myeloproliferative diseases. We retained exclusive development and commercialization rights to JAKAFI (ruxolitinib) in the United States and in certain other indications. Novartis also received worldwide exclusive development and commercialization rights to our MET inhibitor compound capmatinib and certain back up compounds in all indications. We retained options to co-develop and to co-promote capmatinib in the United States. In April 2016, we amended this agreement to provide that Novartis has exclusive research, development and commercialization rights outside of the United States to ruxolitinib (excluding topical formulations) in the GVHD field.

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Lilly

In December 2009, we entered into a License, Development and Commercialization Agreement with Lilly. Under the terms of the agreement, Lilly received exclusive worldwide development and commercialization rights to baricitinib and certain back up compounds for inflammatory and autoimmune diseases. In March 2016, we entered into an amendment to the agreement with Lilly that allows us to engage in the development and commercialization of ruxolitinib in the GVHD field. In May 2020, we amended our agreement with Lilly to enable Lilly to commercialize baricitinib for the treatment of COVID-19.

Innovent

In December 2018, we entered into a Research Collaboration and Licensing Agreement with Innovent Biologics, Inc. Under the terms of this agreement, Innovent received exclusive development and commercialization rights to pemigatinib and our clinical-stage product candidate parsaclisib in hematology and oncology indications in mainland China, Hong Kong, Macau and Taiwan.

InnoCare

In August 2021, we entered into a Collaboration and License Agreement with a subsidiary of InnoCare Pharma Limited. Under the terms of this agreement, InnoCare’s subsidiary received development and exclusive commercialization rights to tafasitamab in hematology and oncology in mainland China, Hong Kong, Macau and Taiwan.

Maruho

In April 2022, we entered into a Strategic Alliance Agreement with Maruho Co., Ltd. Under the terms of this agreement, Maruho received development, manufacturing and exclusive commercialization rights to ruxolitinib cream, and other potential future topical formulations of ruxolitinib, in autoimmune and inflammatory dermatologic diseases in Japan.

CMS Aesthetics Limited

In December 2022, we entered into a Collaboration and License Agreement with CMS Aesthetics Limited, a subsidiary of China Medical System Holdings Limited. Under the terms of the agreement, CMS received an exclusive license to develop and commercialize, and a non-exclusive license to manufacture, ruxolitinib cream, and potentially other future topical formulations of ruxolitinib, in autoimmune and inflammatory dermatologic diseases, including vitiligo and atopic dermatitis, for patients in mainland China, Hong Kong, Macau, Taiwan and Southeast Asia.

In-License Agreements

Agenus

In January 2015, we entered into a License, Development and Commercialization Agreement with Agenus Inc. and its wholly-owned subsidiary, 4-Antibody AG (now known as Agenus Switzerland Inc.), which we collectively refer to as Agenus. Under this agreement, the parties have agreed to collaborate on the discovery of novel immuno-therapeutics using Agenus’ antibody discovery platforms.

Merus

In December 2016, we entered into a Collaboration and License Agreement with Merus. Under this agreement, which became effective in January 2017, the parties have agreed to collaborate with respect to the research, discovery and development of bispecific antibodies utilizing Merus’ technology platform. The collaboration encompasses up to eleven independent programs.

In January 2022, we decided to opt-out of the continued development of MCLA-145, a bispecific antibody targeting PD-L1 and CD137. We continue to collaborate with Merus and leverage the Merus platform to develop a pipeline of novel agents, as we continue to hold worldwide exclusive development and commercialization rights to up to ten additional programs.

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MacroGenics

In October 2017, we entered into a Global Collaboration and License Agreement with MacroGenics. Under this agreement, we received exclusive development and commercialization rights worldwide to MacroGenics’ INCMGA0012, an investigational monoclonal antibody that inhibits PD-1. MacroGenics has retained the right to develop and commercialize, at its cost and expense, its pipeline assets in combination with INCMGA0012.

Syros

In January 2018, we entered into a Target Discovery, Research Collaboration and Option Agreement with Syros Pharmaceuticals, Inc. Under this agreement, Syros would use its proprietary gene control platform to identify novel therapeutic targets with a focus in myeloproliferative neoplasms and we had received options to obtain exclusive worldwide rights to intellectual property resulting from the collaboration for up to seven validated targets. In August 2023, we terminated the Target Discovery, Research Collaboration and Option Agreement with Syros, effective as of October 10, 2023.

MorphoSys

In January 2020, we entered into a Collaboration and License Agreement with MorphoSys AG and MorphoSys US Inc., a wholly-owned subsidiary of MorphoSys AG, covering the worldwide development and commercialization of MOR208 (tafasitamab), an investigational Fc engineered monoclonal antibody directed against the target molecule CD19. Under the terms of this agreement, we received exclusive commercialization rights outside of the United States, and MorphoSys and we have co-commercialization rights in the United States, with respect to tafasitamab.

Syndax

In September 2021, we entered into a Collaboration and License Agreement with Syndax covering the worldwide development and commercialization of SNDX-6352 (axatilimab), Syndax’s anti-CSF-1R monoclonal antibody. In March 2021, axatilimab was granted Orphan Drug Designation by the FDA for the treatment of chronic GVHD and a second designation in April 2021 for treatment of idiopathic pulmonary fibrosis. Under the terms of this agreement, we received exclusive commercialization rights outside of the United States, and Syndax has co-commercialization rights in the United States with respect to axatilimab.

Critical Accounting Policies and Significant Estimates

The preparation of financial statements requires us to make estimates, assumptions and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosures of contingent assets and liabilities. On an ongoing basis, we evaluate our estimates. We base our estimates on historical experience and various other assumptions that we believe to be reasonable under the circumstances, the results of which form our basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from those estimates under different assumptions or conditions.

For a discussion of our critical accounting policies, refer to “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our 2022 Form 10-K. There have been no significant changes to our critical accounting policies or estimates during the nine months ended September 30, 2023.

Recent Accounting Pronouncements

There were no new accounting pronouncements issued nor adopted since our filing of the Annual Report on Form 10-K for the year ended December 31, 2022, which could have a significant effect on our condensed consolidated financial statements.

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Results of Operations

We recorded net income of $171.3 million and basic and diluted net income per share of $0.76 for the three months ended September 30, 2023, as compared to net income of $112.8 million and basic net income per share of $0.51 and diluted net income per share of $0.50 in the corresponding period in 2022. We recorded net income of $396.5 million and basic net income per share of $1.77 and diluted net income per share of $1.76 for the nine months ended September 30, 2023, as compared to net income of $312.2 million and basic net income per share of $1.41 and diluted net income per share of $1.40 in the corresponding period in 2022.

Revenues

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)				(in millions)
JAKAFI revenues, net	$	636.3	$	619.6	$	1,898.6	$	1,761.7
OPZELURA revenues, net	91.8		38.1		228.6		67.5
ICLUSIG revenues, net	27.7		25.9		84.5		78.2
PEMAZYRE revenues, net	19.0		23.5		63.0		60.4
MINJUVI revenues, net	8.3		5.9		28.0		14.8
ZYNYZ revenues, net	0.1		—		0.7		—
Total product revenues, net	783.2		713.0		2,303.4		1,982.6
JAKAVI product royalty revenues	96.6		85.8		263.7		240.4
OLUMIANT product royalty revenues	29.6		20.4		95.8		98.7
TABRECTA product royalty revenues	4.1		4.1		13.1		11.2
PEMAZYRE product royalty revenues	0.5		—		1.3		—
Total product royalty revenues	130.8		110.3		373.9		350.3
Milestone and contract revenues	5.0		—		5.0		135.0
Total revenues	$	919.0	$	823.3	$	2,682.3	$	2,467.9

The increase in JAKAFI product revenues for the three months ended September 30, 2023 as compared to the corresponding period in 2022 was comprised of a volume increase of $16.1 million and a price increase of $0.6 million. The increase in JAKAFI net product revenues for the nine months ended September 30, 2023 as compared to the corresponding period in 2022 was comprised of a volume increase of $98.8 million and a price increase of $38.1 million. The JAKAFI net product revenues increase was primarily driven by growth in patient demand and was partially offset by a decrease in inventory. The increase in OPZELURA net product revenues for the three and nine months ended September 30, 2023 was driven by increased patient demand and expanded coverage. The increase in MINJUVI net product revenues for the nine months ended September 30, 2023 was driven by the recognition during the second quarter of 2023 of approximately $6.0 million of previously deferred MINJUVI revenue related to the Early Access Program in France, which ended in June 2023.

Our product revenues may fluctuate from quarter to quarter due to our customers’ purchasing patterns over the course of the year, including as a result of increased inventory building by customers in advance of expected or announced price increases. Product revenues are recorded net of estimated product returns, pricing discounts including rebates offered pursuant to mandatory federal and state government programs and chargebacks, prompt pay discounts and distribution fees and co-pay assistance. Our revenue recognition policies require estimates of the aforementioned sales allowances each period.

Our milestone and contract revenues for the three and nine months ended September 30, 2023, were derived from a regulatory milestone of $5.0 million under the Novartis collaboration and license agreement. Our milestone and contract revenues for the nine months ended September 30, 2022, were derived from total regulatory milestones of $60.0 million under the Novartis collaboration and license agreement, regulatory milestones of $70.0 million under the license, development and commercialization agreement with Lilly, and a $5.0 million regulatory milestone under the Innovent research collaboration and licensing agreement.

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The following table provides a summary of activity with respect to our sales allowances and accruals (in thousands):

Nine Months Ended September 30, 2023	Discounts and Distribution Fees		Government Rebates and Chargebacks		Co-Pay Assistance and Other Discounts		Product Returns		Total
Balance at January 1, 2023	$	25,316	$	148,465	$	25,580	$	6,366	$	205,727
Allowances for current period sales	96,334		719,728		106,372		9,289		931,723
Allowances for prior period sales	(761)		4,692		3,314		3,268		10,513
Credits/payments for current period sales	(79,480)		(588,541)		(106,797)		—		(774,818)
Credits/payments for prior period sales	(22,083)		(87,127)		(17,073)		(8,477)		(134,760)
Balance at September 30, 2023	$	19,326	$	197,217	$	11,396	$	10,446	$	238,385

Government rebates and chargebacks are the most significant component of our sales allowances. Increases in certain government reimbursement rates are limited to a measure of inflation, and when the price of a drug increases faster than this measure of inflation it will result in a penalty adjustment factor that causes a larger sales allowance to those government related entities. We expect government rebates and chargebacks as a percentage of our gross product sales will continue to increase in connection with any future product price increases greater than the rate of inflation, and any such increase in these government rebates and chargebacks will have a negative impact on our reported product revenues, net. We adjust our estimates for government rebates and chargebacks based on new information regarding actual rebates as it becomes available.

We brought a lawsuit against the U.S. Centers for Medicare and Medicaid Services (“CMS”) alleging that a recent regulation issued by CMS on the definition of “line extension” for purposes of the Medicaid rebate program is too broad and has the unintended consequence of treating OPZELURA as a “line extension” of JAKAFI under this program. We believe that such a reading would be a violation of CMS’s statutory authority and that it would be arbitrary and capricious to treat OPZELURA which, among other differentiators, is indicated to treat entirely different medical conditions and entirely different patient populations than JAKAFI. As of September 30, 2023, we have accrued approximately $42.9 million within accrued and other current liabilities on the condensed consolidated balance sheet. The impact on OPZELURA gross to net deductions for the quarter ending September 30, 2023 is approximately 6.6%. If OPZELURA is not treated as a line extension of JAKAFI, this would result in a reversal of our accrual and a lower future gross to net deduction for OPZELURA.

Claims by third-party payors for rebates and chargebacks are frequently submitted after the period in which the related sales occurred, which may result in adjustments to prior period accrual balances in the period in which the new information becomes available. Our company-sponsored patient savings program in which we provide financial assistance to enable commercially-insured patients to afford their insurance premium and co-pays may fluctuate as the commercial insurance landscape evolves and may impact net revenues, particularly for drugs like OPZELURA. We also adjust our allowance for product returns based on new information regarding actual returns as it becomes available.

We expect our sales allowances to fluctuate from quarter to quarter as a result of the Medicare Part D Coverage Gap, the volume of purchases eligible for government mandated discounts and rebates as well as changes in discount percentages which are impacted by potential future price increases, rate of inflation, and other factors.

Product royalty revenues on commercial sales of JAKAVI and TABRECTA by Novartis are based on net sales of licensed products in licensed territories as provided by Novartis. Product royalty revenues on commercial sales of OLUMIANT by Lilly are based on net sales of licensed products in licensed territories as provided by Lilly. JAKAVI product royalty revenues for the three months ended September 30, 2023 as compared to the corresponding period in 2022 were impacted by favorable changes in foreign currency exchange rates, and were impacted by unfavorable changes in foreign currency exchange rates for the nine months ended September 30, 2023. OLUMIANT product royalty revenues for the three and nine months ended September 30, 2023 as compared to the corresponding period in 2022 were impacted by unfavorable changes in foreign currency exchange rates. In the third quarter of 2022, Olumiant royalties were impacted by a one-time deduction related to securing intellectual property rights. Product royalty revenues on commercial sales of PEMAZYRE by Innovent are based on net sales of licensed products in licensed territories as provided by Innovent.

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Cost of Product Revenues

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)				(in millions)
Product costs	$	17.0	$	14.9	$	63.8	$	39.1
Salary and benefits related	3.7		2.4		9.4		6.9
Stock compensation	0.8		0.7		2.4		2.0
Royalty expense	32.9		31.3		92.8		83.7
Amortization of definite-lived intangible assets	5.7		5.3		16.8		16.1
Total cost of product revenues	$	60.1	$	54.6	$	185.2	$	147.8

Cost of product revenues includes all product related costs, reserves for obsolescence, employee personnel costs, including stock compensation, for those employees dedicated to the production of our commercial products, royalties under our collaborative agreements and amortization of our licensed intellectual property rights for ICLUSIG and the amortization of capitalized milestone payments. The increase in cost of product revenues for the three and nine months ended September 30, 2023 as compared to the same periods in 2022 was primarily due to growth in net product revenues.

Operating Expenses

Research and development expenses

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)				(in millions)
Salary and benefits related	$	96.8	$	82.3	$	295.8	$	250.1
Stock compensation	26.9		25.8		90.7		80.2
Clinical research and outside services	225.6		242.9		676.8		650.7
Occupancy and all other costs	26.4		33.0		119.8		103.6
Total research and development expenses	$	375.7	$	384.0	$	1,183.1	$	1,084.6

We account for research and development costs by natural expense line and not costs by project. The increase in salary and benefits related expense for the three and nine months ended September 30, 2023 as compared to the corresponding periods in 2022 was due primarily to increased development headcount to sustain our development pipeline. Stock compensation expense may fluctuate from period to period based on the number of awards granted, stock price volatility and expected award lives, as well as expected award forfeiture rates which are used to value equity-based compensation.

The decrease in clinical research and outside services expense for the three months ended September 30, 2023 as compared to the corresponding period in 2022 was primarily due to a decrease in one-time collaboration related expenses, and the increase in clinical research and outside services expense for the nine months ended September 30, 2023 as compared to the corresponding period in 2022, was due to continued investment in our late stage development assets, partially offset by a decrease in one-time collaboration related expenses. Research and development expenses include upfront and milestone expenses related to our collaborative agreements of $3.0 million and $12.7 million, respectively, for the three and nine months ended September 30, 2023. Research and development expenses include upfront and milestone expenses related to our collaborative agreements of $33.5 million and $56.0 million, respectively, for the three and nine months ended September 30, 2022. Research and development expenses for the three and nine months ended September 30, 2023 and 2022 were net of $11.3 million, $37.0 million, $8.7 million and $43.3 million, respectively, of costs reimbursed by our collaborative partners.

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In addition to one-time expenses resulting from upfront fees in connection with the entry into any new or amended collaboration agreements and payment of milestones under those agreements, research and development expenses may fluctuate from period to period depending upon the stage of certain projects and the level of preclinical and clinical trial related activities. Many factors can affect the cost and timing of our clinical trials, including requests by regulatory agencies for more information, inconclusive results requiring additional clinical trials, slow patient enrollment, adverse side effects among patients, insufficient supplies for our clinical trials, timing of drug supply, including API, and real or perceived lack of effectiveness or safety of our investigational drugs in our clinical trials. In addition, the development of all of our products will be subject to extensive governmental regulation. These factors make it difficult for us to predict the timing and costs of the further development and approval of our products.

Selling, general and administrative expenses

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)				(in millions)
Salary and benefits related	$	74.2	$	64.3	$	221.5	$	197.0
Stock compensation	20.3		18.9		62.8		53.5
Other contract services and outside costs	173.4		183.3		583.1		478.8
Total selling, general and administrative expenses	$	267.9	$	266.5	$	867.4	$	729.3

The increase in salary and benefits related expense for the three and nine months ended September 30, 2023 as compared to the corresponding period in 2022 was due primarily to increased headcount. This increased headcount was due primarily to the establishment of our dermatology commercial organization. Stock compensation expense may fluctuate from period to period based on the number of awards granted, stock price volatility and expected award lives, as well as expected award forfeiture rates which are used to value equity-based compensation. The increase in other contract services and outside costs for the nine months ended September 30, 2023, as compared to the corresponding period in 2022, was primarily due to expenses related to promotional activities to support the launch of OPZELURA for the treatment of vitiligo.

(Gain) loss on change in fair value of acquisition-related contingent consideration

Acquisition-related contingent consideration, which consists of our future royalty obligations to ARIAD/Takeda, was recorded on the acquisition date, June 1, 2016, at the estimated fair value of the obligation, in accordance with the acquisition method of accounting. The fair value of the acquisition-related contingent consideration is remeasured quarterly. The change in fair value of the acquisition-related contingent consideration for the three and nine months ended September 30, 2023 was a gain of $0.4 million and a loss of $14.1 million, respectively, which is recorded in (gain) loss on change in fair value of acquisition-related contingent consideration on the condensed consolidated statements of operations. The gain on change in fair value of the acquisition-related contingent consideration for the three and nine months ended September 30, 2022 was $21.9 million and $12.2 million, respectively, which is recorded in (gain) loss on change in fair value of acquisition-related contingent consideration on the condensed consolidated statements of operations. The change in fair value of the contingent consideration during the three and nine months ended September 30, 2023 was due primarily to the changes in foreign currency exchange rates included within the updated projections of future net revenues of ICLUSIG and the passage of time. The change in fair value for the three and nine months ended September 30, 2022 was due primarily to the changes in foreign currency exchange rates included within the updated projections of future net revenues of ICLUSIG.

Loss and (profit) sharing under collaboration agreements

Under the collaboration and license agreement with MorphoSys, which was executed in March 2020, we and MorphoSys are both responsible for the commercialization efforts of tafasitamab in the United States and will share equally the profits and losses from the co-commercialization efforts. For the three and nine months ended September 30, 2023, our 50% share of the losses and profits for tafasitamab was a loss of $1.1 million and profit of $0.9 million, respectively, as recorded in loss and (profit) sharing under collaboration agreements on the condensed consolidated statement of operations. For the three and nine months ended September 30, 2022, our 50% share of the losses for tafasitamab was $1.8 million and $9.1 million, respectively, as recorded in loss and (profit) sharing under collaboration agreements on the condensed consolidated statement of operations.

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Interest income and other, net. Interest income and other, net for the three and nine months ended September 30, 2023 was $46.4 million and $121.9 million, respectively. Interest income and other, net for the three and nine months ended September 30, 2022 was $11.5 million and $13.3 million, respectively. The increase in Interest income and other, net for the three and nine months ended September 30, 2023 primarily relates to an increase in interest earned on our cash equivalents and marketable securities.

Unrealized (loss) gain on long term investments. Unrealized gains and losses on long term investments will fluctuate from period to period, based on the change in fair value of the securities we hold in our publicly held collaboration partners. The following table provides a summary of those unrealized (losses) gains:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(in millions)				(in millions)
Agenus	$	(5.6)	$	1.3	$	(15.3)	$	(14.1)
Calithera	—		—		(0.2)		(0.9)
Merus	(9.1)		(9.3)		29.5		(41.8)
MorphoSys	(2.7)		0.8		11.4		(15.9)
Syndax	(9.2)		6.8		(15.6)		3.1
Mink	(0.2)		—		—		—
Syros	0.1		(0.3)		—		(2.5)
Total unrealized (loss) gain on long term investments	$	(26.7)	$	(0.7)	$	9.8	$	(72.1)

Provision for income taxes. The provision for income taxes for the three and nine months ended September 30, 2023 was $62.5 million and $166.7 million, respectively. The provision for income taxes for the three and nine months ended September 30, 2022 was $35.8 million and $136.3 million, respectively.

Our effective tax rate for each of the three and nine months ended September 30, 2023 and 2022 was higher than the U.S. statutory rate primarily due to foreign losses with no associated tax benefit (i.e., full valuation allowance) and an increase in our valuation allowance against certain U.S. federal and state deferred tax assets offset to a lesser extent by tax rate benefits associated with research and development and orphan drug tax credit generations and foreign derived intangible income deductions. The effective tax rate for the three months ended September 30, 2023 increased as compared to that for the prior year period primarily due to an increase in foreign losses with no associated tax benefit. The effective tax rate for the nine months ended September 30, 2023 decreased as compared to that for the prior year period primarily due to greater tax benefits recognized in 2023 associated with research and development and orphan drug tax credit generations, partially offset by a decrease in the tax benefit associated with foreign derived intangible income.

Liquidity and Capital Resources

Due to historical net losses, we had an accumulated deficit of $40.7 million as of September 30, 2023. We have funded our research and development operations through cash received from customers, sales of equity securities, the issuance of convertible notes, and collaborative arrangements. At September 30, 2023, we had available cash, cash equivalents and marketable securities of $3.5 billion. Our cash and marketable securities balances are held in a variety of interest-bearing instruments, including money market accounts, and U.S. government debt securities. Available cash is invested in accordance with our investment policy’s primary objectives of liquidity, safety of principal and diversity of investments.

Net cash provided by operating activities for the nine months ended September 30, 2023 was $348.8 million and net cash provided by operating activities for the nine months ended September 30, 2022 was $686.3 million. The decrease in cash provided by operating activities was due primarily to changes in working capital.

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Our investing activities, other than purchases, sales and maturities of marketable securities, have consisted predominantly of capital expenditures and purchases of long term investments. Net cash used in investing activities was $53.2 million for the nine months ended September 30, 2023, which represented purchases of marketable securities of $222.2 million, payments for intangible assets of $15.0 million, capital expenditures of $30.2 million, and purchases of long term investments of $10.0 million, offset in part by the sale and maturities of marketable securities of $224.2 million. Net cash used in investing activities was $57.6 million for the nine months ended September 30, 2022, which represented purchases of marketable securities of $59.1 million and capital expenditures of $56.6 million, offset in part by the sales and maturities of marketable securities of $58.0 million. In the future, net cash used by investing activities may fluctuate significantly from period to period due to the timing of strategic equity investments, acquisitions, and capital expenditures and maturities/sales and purchases of marketable securities.

Net cash used in financing activities was $20.4 million for the nine months ended September 30, 2023, and net cash provided by financing activities was $1.7 million for the nine months ended September 30, 2022, respectively, primarily representing cash paid to ARIAD/Takeda for contingent consideration, offset in part by proceeds from the issuance of common stock under our stock plans.

In October 2019, we entered into an agreement with Wilmington Friends School Inc., to purchase property for $50.0 million, subject to certain closing conditions. As of September 30, 2023, these conditions had not been met, and we no longer expect the purchase to move forward. Accordingly, the related assets of approximately $5.6 million have been written off, as recorded on the condensed consolidated statements of operations in selling, general and administrative expenses.

In August 2021, we entered into a $500.0 million, three-year senior unsecured revolving credit facility. We may increase the maximum revolving commitments or add one or more incremental term loan facilities, subject to obtaining commitments from any participating lenders and certain other conditions, in an amount not to exceed $250.0 million plus a contingent additional amount that is dependent on our pro forma consolidated leverage ratio. As of September 30, 2023, we had no outstanding borrowings and were in compliance with all covenants under this facility.

Our U.S. income tax payments will increase significantly in 2023 resulting from the full utilization in 2022 of our research and development and orphan drug tax credit carryforwards generated in prior years. Our U.S. tax liabilities continue to reflect the adverse impacts of the mandatory capitalization and amortization of research and development expenses as required under the Tax Cuts and Jobs Act of 2017, which eliminated the immediate expensing of such expenses.

We believe that our cash flow from operations, together with our cash, cash equivalents and marketable securities and funds available under our revolving credit facility, will be adequate to satisfy our capital needs for the foreseeable future. Our cash requirements depend on numerous factors, including our expenditures in connection with our drug discovery and development programs and commercialization operations; expenditures in connection with litigation or other legal proceedings; costs for future facility requirements; and expenditures for future strategic equity investments or potential acquisitions. We have entered into and may in the future seek to license additional rights relating to technologies or drug development candidates in connection with our drug discovery and development programs. Under these licenses, we may be required to pay upfront fees, milestone payments, and royalties on sales of future products. These contingent future payments are discussed in detail in Note 7 of notes to the condensed consolidated financial statements.

To the extent we seek to augment our existing cash resources and cash flow from operations to satisfy our cash requirements for future acquisitions or other strategic purposes, we expect that additional funding can be obtained through equity or debt financings or from other sources. The sale of equity or convertible debt securities in the future may be dilutive to our stockholders, and may provide for rights, preferences or privileges senior to those of our holders of common stock. Debt financing arrangements may require us to pledge certain assets or enter into covenants that could restrict our operations or our ability to incur further indebtedness.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

Our investments in marketable securities, which are composed primarily of U.S. government debt securities, are subject to default, changes in credit rating and changes in market value. These investments are also subject to interest rate risk and will decrease in value if market interest rates increase. As of September 30, 2023, marketable securities were $289.2 million. Due to the nature of these investments, if market interest rates were to increase immediately and uniformly by 10% from levels as of September 30, 2023, the decline in fair value would not be material.

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Item 4. Controls and Procedures

Evaluation of disclosure controls and procedures. We maintain “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 (the “Exchange Act”), that are designed to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in Securities and Exchange Commission rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure. In designing and evaluating our disclosure controls and procedures, management recognized that disclosure controls and procedures, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the disclosure controls and procedures are met. Our disclosure controls and procedures have been designed to meet reasonable assurance standards. Additionally, in designing disclosure controls and procedures, our management necessarily was required to apply its judgment in evaluating the cost-benefit relationship of possible disclosure controls and procedures. The design of any disclosure controls and procedures also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions.

Based on their evaluation as of the end of the period covered by this Quarterly Report on Form 10-Q, our Chief Executive Officer and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective at the reasonable assurance level.

Changes in internal control over financial reporting. In the second quarter of 2023, we began the implementation of a new enterprise resource planning system. This implementation was planned in phases to correspond with the needs of the Company. Due to this implementation, internal controls have changed in various functional areas within the Company. Management has taken steps so that the appropriate internal controls are designed and implemented as each functional area of the system is enacted. This system implementation was completed during the third quarter of 2023. Other than noted above, there were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) for the three months ended September 30, 2023, that materially affected or are reasonably likely to materially affect our internal control over financial reporting.

PART II: OTHER INFORMATION

Item 1A. Risk Factors

RISKS RELATING TO COMMERCIALIZATION OF OUR PRODUCTS

We depend heavily on our lead product, JAKAFI (ruxolitinib), which is marketed as JAKAVI outside the United States. If we are unable to maintain revenues from JAKAFI or those revenues decrease, our business may be materially harmed.

JAKAFI is our first product marketed by us that is approved for sale in the United States. JAKAFI was approved by the U.S. Food and Drug Administration, or FDA, in November 2011 for the treatment of patients with intermediate or high-risk myelofibrosis, in December 2014 for the treatment of patients with polycythemia vera who have had an inadequate response to or are intolerant of hydroxyurea, which we refer to as uncontrolled polycythemia vera, in May 2019 for the treatment of steroid-refractory acute graft-versus-host disease in adult and pediatric patients 12 years and older and in September 2021 for the treatment of steroid-refractory chronic graft-versus-host disease in adult and pediatric patients 12 years and older. Although we have received regulatory approval for these indications, such approval does not guarantee future revenues. While we also sell ICLUSIG in the European Union, or EU, and other countries for the treatment of certain types of leukemia, PEMAZYRE in the United States, Europe and Japan for the treatment of certain metastatic cholangiocarcinoma indications, as well as for certain blood cancer indications in the United States and Japan, MONJUVI in the United States and MINJUVI in the European Union for the treatment of certain lymphoma indications, and OPZELURA in the Unites States for the treatment of certain indications of atopic dermatitis and vitiligo, and our exclusive licensees sell OLUMIANT (baricitinib) for the treatment of specified rheumatoid arthritis and atopic dermatitis indications and TABRECTA for the treatment of a certain type of non-small cell lung cancer, and recently received FDA approval and commenced sales of ZYNYZ for the treatment of adult patients with metastatic or recurrent locally advanced Merkel cell carcinoma, we anticipate that JAKAFI product sales will continue to contribute a significant percentage of our total revenues over the next several years.

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The commercial success of JAKAFI and our ability to maintain and continue to increase revenues from the sale of JAKAFI will depend on a number of factors, including:

•the number of patients with intermediate or high-risk myelofibrosis, uncontrolled polycythemia vera or steroid-refractory graft-versus-host disease who are diagnosed with the diseases and the number of such patients that may be treated with JAKAFI;

•the acceptance of JAKAFI by patients and the healthcare community;

•whether physicians, patients and healthcare payors view JAKAFI as therapeutically effective and safe relative to cost and any alternative therapies, as well as whether patients will continue to use JAKAFI;

•the ability to obtain and maintain sufficient coverage or reimbursement by third-party payors and pricing;

•the ability of our third-party manufacturers to manufacture JAKAFI in sufficient quantities that meet all applicable quality standards;

•the ability of our company and our third-party providers to provide marketing and distribution support for JAKAFI;

•the effects of a public health pandemic, any associated quarantine, travel restriction, stay-at-home or shutdown orders, guidelines or practices, and any disruption in our supply chain for JAKAFI on our ability to provide marketing and distribution support for JAKAFI, our ability to produce sufficient quantities of JAKAFI that meet all applicable quality standards, patient demand (including new patient prescriptions and hesitancy of patients to make office visits) and other risks detailed further below under “—Other Risks Relating to our Business—Public health epidemics, such as the COVID-19 pandemic, could adversely affect our business, results of operations, and financial condition”;

•the label and promotional claims allowed by the FDA;

•the maintenance of regulatory approval for the approved indications in the United States; and

•our ability to develop, obtain regulatory approval for and commercialize ruxolitinib in the United States for additional indications or in combination with other therapeutic modalities.

If we are not able to maintain revenues from JAKAFI in the United States, or our revenues from JAKAFI decrease, our business may be materially harmed and we may need to delay other drug discovery, development and commercialization initiatives or even significantly curtail operations, and our ability to license or acquire new products to diversify our revenue base could be limited.

In addition, revenues from our other products and our receipt of royalties under our collaboration agreements, including our agreements with Novartis for sales of JAKAVI outside the United States and TABRECTA globally and with Eli Lilly and Company for worldwide sales of OLUMIANT, will depend on factors similar to those listed above, with similar regulatory, pricing and reimbursement issues driven by applicable regulatory authorities and governmental and third-party payors affecting jurisdictions outside the United States.

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If we are unable to obtain, or maintain at anticipated levels, coverage and reimbursement for our products from government health administration authorities, private health insurers and other organizations, our pricing may be affected and our product sales, results of operations and financial condition could be harmed.

Our ability to commercialize our current and any future approved products successfully will depend in part on the prices we are able to charge for these products and the extent to which adequate coverage and reimbursement levels for the cost of our products and related treatment are obtained from third-party payors, such as private insurers, government insurance programs, including Medicare and Medicaid, health maintenance organizations (HMOs) and other health care related organizations in the United States and abroad. We may not be able to sell our products on a profitable basis or our profitability may be reduced if we are required to sell our products at lower than anticipated prices or reimbursement is unavailable or limited in scope or amount. The costs of JAKAFI, ICLUSIG, PEMAZYRE, MONJUVI/MINJUVI, OPZELURA and ZYNYZ are not insignificant and almost all patients will require some form of third-party coverage to afford their cost. Our future revenues and profitability will be adversely affected if we cannot depend on government and other third-party payors to defray the cost of our products to the patient.

Governments and other third-party payors continue to pursue initiatives to manage drug costs. Pricing and reimbursement for our products may be adversely affected by a number of factors, including;

•actions of federal, state and foreign governments and other third-party payors to implement or modify laws, regulations or policies addressing payment and reimbursement for drugs;

•pressure by employers on private health insurance plans to reduce costs or moderate cost increases, as well as continued public scrutiny of the price of drugs and other healthcare costs;

•consolidation of third-party payors and continued initiatives of government and other third-party payors to reduce costs by seeking price discounts or rebates, reducing reimbursement rates or imposing restrictions on access to or coverage of particular drugs based on perceived value;

•pressure on healthcare budgets resulting from macroeconomic factors such as inflation, rising interest rates and the economic effects of geopolitical conflicts; and

•the increasing number of hospitals and other covered entities that are eligible to participate in the U.S. 340B drug pricing program, which requires drug manufacturers such as our company to sell drugs to those entities at discounted prices in order for those drugs to be covered by Medicaid.

In many markets outside of the United States, including countries of the EU, drug pricing and reimbursement are subject to government control, and government authorities are making greater efforts to limit or regulate the price of drug products. Reimbursement systems in international markets vary significantly by country and by region, and reimbursement approvals must be obtained on a country-by-country basis. Reimbursement in the EU must be negotiated on a country-by-country basis and in many countries a drug product cannot be commercially launched until reimbursement is approved. The timing to complete the negotiation process in each country is highly uncertain, and in some countries, we expect that it may exceed 12 months. Some countries set prices by reference to prices in other countries, and countries may refuse to reimburse or may restrict the reimbursed population for a drug product based on their national health technology assessments and cost effectiveness thresholds. In addition, governmental authorities in many countries may reduce prices for approved drug products from previously established prices.

Third-party payors are increasingly challenging the prices charged for medical products and services, and payors and employers are adopting benefit plan changes that shift a greater portion of prescription drug costs to patients. Third party pharmacy benefit managers, or PBMs, other similar organizations and payors can limit coverage to specific products on an approved list, or formulary, which might not include all of the approved products for a particular indication, and to exclude drugs from their formularies in favor of competitor drugs or alternative treatments, or place drugs on formulary tiers with higher patient co-pay obligations, and/or to mandate stricter utilization criteria. Formulary exclusion effectively encourages patients and providers to seek alternative treatments, make a complex and time-intensive request for medical exemptions, or pay 100% of the cost of a drug. In addition, in many instances, certain PBMs, other similar organizations and third party payors may exert negotiating leverage by requiring incremental rebates, discounts or other concessions from manufacturers in order to maintain formulary positions, which could continue to result in higher gross to net deductions for affected products. There has been significant consolidation in the health insurance industry, resulting in large insurers and PBMs exerting greater pressure and leverage in pricing and usage negotiations with drug manufacturers. In this regard,

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while we have entered into agreements with a number of PBMs, we are in the process of negotiating agreements with additional PBMs and payor accounts to provide rebates to those entities related to formulary coverage for OPZELURA, and we cannot guarantee that we will be able to agree to or maintain acceptable coverage terms with these PBMs and other third party payors. Payors could decide to exclude OPZELURA from formulary coverage lists, impose step edits that require patients to try alternative, including generic, treatments before authorizing payment for OPZELURA, limit the types of diagnoses for which coverage will be provided or impose a moratorium on coverage for products while the payor makes a coverage decision. An inability to maintain adequate formulary positions could increase patient cost-sharing for OPZELURA and cause some patients to determine not to use OPZELURA. Any delays or unforeseen difficulties in reimbursement approvals could limit patient access, depress therapy adherence rates, and adversely impact our ability to successfully commercialize OPZELURA. If we are unsuccessful in obtaining and maintaining broad coverage and reimbursement for OPZELURA, our anticipated revenue from and growth prospects for OPZELURA could be negatively affected.

If third parties institute high co-payment amounts or other benefit limits for our products, the demand for our products and, accordingly, our revenues and results of operations, could be adversely affected. Our patient assistance programs have provided support for non-profit organizations that provide financial assistance to eligible patients or in some cases, we have provided our products without charge to eligible patients who have no insurance coverage or are underinsured. Substantial support in this manner could harm our profitability in the future. Further, non-profit organizations’ ability to provide assistance to patients is dependent on funding from external sources, and we cannot guarantee that such funding will be provided at adequate levels, or at all.

Risks related to proposed changes in government regulations and health care reform measures are described below under “—Other Risks Relating to our Business—Health care reform measures could impact the pricing and profitability of pharmaceuticals, and adversely affect the commercial viability of our or our collaborators’ products and drug candidates. ” If government and other third-party payors refuse to provide coverage and reimbursement with respect to our products, determine to provide a lower level of coverage and reimbursement than anticipated, reduce previously approved levels of coverage and reimbursement, or delay reimbursement payments, then our pricing or reimbursement for our products may be affected and our product sales, results of operations or financial condition could be harmed. Our collaborators Novartis and Eli Lilly are affected by similar considerations for the drugs that they market and for which we may receive royalties.

We depend upon a limited number of specialty pharmacies and wholesalers for a significant portion of any revenues from JAKAFI and most of our other drug products, and the loss of, or significant reduction in sales to, any one of these specialty pharmacies or wholesalers could adversely affect our operations and financial condition.

We sell JAKAFI and our other drug products other than OPZELURA primarily to specialty pharmacies and wholesalers. Specialty pharmacies dispense JAKAFI and our other drug products to patients in fulfillment of prescriptions and wholesalers sell JAKAFI and our other drug products to hospitals and physician offices. We do not promote JAKAFI or our other drug products to specialty pharmacies or wholesalers, and they do not set or determine demand for JAKAFI or our other drug products. Our ability to successfully commercialize JAKAFI and our other drug products will depend, in part, on the extent to which we are able to provide adequate distribution of JAKAFI and our other drug products to patients. Although we have contracted with a number of specialty pharmacies and wholesalers, they are expected generally to carry a very limited inventory and may be reluctant to be part of our distribution network in the future if demand for the product does not increase. Further, it is possible that these specialty pharmacies and wholesalers could decide to change their policies or fees, or both, at some time in the future. This could result in their refusal to carry smaller volume products such as JAKAFI and our other drug products, or lower margins or the need to find alternative methods of distributing our product. Although we believe we can find alternative channels to distribute JAKAFI or our other drug products on relatively short notice, our revenue during that period of time may suffer and we may incur additional costs to replace any such specialty pharmacy or wholesaler. The loss of any large specialty pharmacy or wholesaler as part of our distribution network, a significant reduction in sales we make to specialty pharmacies or wholesalers, or any failure to pay for the products we have shipped to them could materially and adversely affect our results of operations and financial condition.

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If we are unable to establish and maintain effective sales, marketing and distribution capabilities, or to enter into agreements with third parties to do so, we will not be able to successfully commercialize our products.

We have established commercial capabilities in the United States and outside of the United States, but cannot guarantee that we will be able to enter into and maintain any marketing, distribution or third-party logistics agreements with third-party providers on acceptable terms, if at all. We may not be able to correctly judge the size and experience of the sales and marketing force and the scale of distribution capabilities necessary to successfully market and sell any new products. Establishing and maintaining sales, marketing and distribution capabilities are expensive and time-consuming. Competition for personnel with experience in sales and marketing can be high. Our expenses associated with building and maintaining the sales force and distribution capabilities may be disproportional compared to the revenues we may be able to generate on sales of our products.

We are working to establish and maintain sales, marketing and distribution capabilities for OPZELURA that will generally be separate from our existing capabilities for oncology indications, and we have no prior experience in commercializing products for dermatology indications. Successful commercialization of our drug candidates for dermatology indications requires us to establish new physician and payor relationships, PBM and pharmacy network relationships, reimbursement strategies and governmental interactions. Our inability to commercialize successfully products in indications outside of oncology could harm our business and operating results.

If we fail to comply with applicable laws and regulations, we could lose our approval to market our products or be subject to other governmental enforcement activity.

We cannot guarantee that we will be able to maintain regulatory approval to market our products in the jurisdictions in which they are currently marketed. If we do not maintain our regulatory approval to market our products, in particular JAKAFI, our results of operations will be materially harmed. We and our collaborators, third-party manufacturers and suppliers are subject to rigorous and extensive regulation by the FDA and other federal and state agencies as well as foreign governmental agencies. These regulations continue to apply after product marketing approval, and cover, among other things, testing, manufacturing, quality control and assurance, labeling, advertising, promotion, risk mitigation, and adverse event reporting requirements.

The commercialization of our products is subject to post-regulatory approval product surveillance, and our products may have to be withdrawn from the market or subject to restrictions if previously unknown problems occur. Regulatory agencies may also require additional clinical trials or testing for our products, and our products may be recalled or may be subject to reformulation, additional studies, changes in labeling, warnings to the public and negative publicity. For example, from late 2013 through 2014, ICLUSIG was subject to review by the European Medicines Agency, or EMA, of the benefits and risks of ICLUSIG to better understand the nature, frequency and severity of events obstructing the arteries or veins, the potential mechanism that leads to these side effects and whether there needed to be a revision in the dosing recommendation, patient monitoring and a risk management plan for ICLUSIG. This review was completed in January 2015, with additional warnings in the product information but without any change in the approved indications. The EMA could take additional actions in the future that reduce the commercial potential of ICLUSIG. In addition, in September 2021, the FDA approved a labeling update for JAKAFI, adding warnings of increased risk of major adverse cardiovascular events, thrombosis, and secondary malignancies related to another JAK-inhibitor treating rheumatoid arthritis, a condition for which JAKAFI is not indicated. As part of the FDA labeling update for oral JAK inhibitors in treating inflammatory conditions, class “boxed” warnings were also included in the OPZELURA label. We cannot predict the effects on sales of JAKAFI with the updated warnings or OPZELURA as a result of the “boxed” warnings, but it is possible that future sales of JAKAFI and OPZELURA can be negatively affected, which could have a material and adverse effect on our business, results of operations and prospects.

Failure to comply with the laws and regulations administered by the FDA or other agencies could result in:

•administrative and judicial sanctions, including warning letters;

•fines and other civil penalties;

•suspension or withdrawal of regulatory approval to market or manufacture our products;

•interruption of production;

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•operating restrictions;

•product recall or seizure;

•injunctions; and

•criminal prosecution.

The occurrence of any such event may have a material adverse effect on our business.

If the use of our products harms patients, or is perceived to harm patients even when such harm is unrelated to our products, our regulatory approvals could be revoked or otherwise negatively impacted or we could be subject to costly and damaging product liability claims.

The testing of JAKAFI, ICLUSIG, PEMAZYRE, MONJUVI/MINJUVI, OPZELURA and ZYNYZ, the manufacturing, marketing and sale of JAKAFI, PEMAZYRE and OPZELURA and the marketing and sale of ICLUSIG, MONJUVI/MINJUVI and ZYNYZ expose us to product liability and other risks. Side effects and other problems experienced by patients from the use of our products could:

•lessen the frequency with which physicians decide to prescribe our products;

•encourage physicians to stop prescribing our products to their patients who previously had been prescribed our products;

•cause serious harm to patients that may give rise to product liability claims against us; and

•result in our need to withdraw or recall our products from the marketplace.

If our products are used by a wide patient population, new risks and side effects may be discovered, the rate of known risks or side effects may increase, and risks previously viewed as less significant could be determined to be significant.

Previously unknown risks and adverse effects of our products may also be discovered in connection with unapproved, or off-label, uses of our products. We are prohibited by law from promoting or in any way supporting or encouraging the promotion of our products for off-label uses, but physicians are permitted to use products for off-label purposes. In addition, we are studying and expect to continue to study JAKAFI in diseases for potential additional indications in controlled clinical settings, and independent investigators are doing so as well. In the event of any new risks or adverse effects discovered as new patients are treated for intermediate or high-risk myelofibrosis, uncontrolled polycythemia vera or acute graft-versus-host disease and as JAKAFI is studied in or used by patients for off-label indications, regulatory authorities may delay or revoke their approvals, we may be required to conduct additional clinical trials, make changes in labeling of JAKAFI, reformulate JAKAFI or make changes and obtain new approvals. We may also experience a significant drop in the sales of JAKAFI, experience harm to our reputation and the reputation of JAKAFI in the marketplace or become subject to lawsuits, including class actions. Any of these results could decrease or prevent sales of JAKAFI or substantially increase the costs and expenses of commercializing JAKAFI. Similar results could occur with respect to our commercialization of ICLUSIG, PEMAZYRE, MONJUVI/MINJUVI, OPZELURA and ZYNYZ.

Patients who have been enrolled in our clinical trials or who may use our products in the future often have severe and advanced stages of disease and known as well as unknown significant pre-existing and potentially life-threatening health risks. During the course of treatment, patients may suffer adverse events, including death, for reasons that may or may not be related to our products. Such events could subject us to costly litigation, require us to pay substantial amounts of money to injured patients, delay, negatively impact or end our opportunity to receive or maintain regulatory approval to market our products, or require us to suspend or abandon our commercialization efforts. Even in a circumstance in which we do not believe that an adverse event is related to our products, the investigation into the circumstance may be time consuming or inconclusive. These investigations may interrupt our sales efforts, impact and limit the type of regulatory approvals our products receive or maintain, or delay the regulatory approval process in other countries.

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Factors similar to those listed above also apply to our collaborator Novartis for jurisdictions in which it has development and commercialization rights, to ICLUSIG for jurisdictions outside the United States, to our collaborator Lilly for all jurisdictions and to our collaborator Innovent for PEMAZYRE in the jurisdictions in which it has development and commercialization rights.

If we market our products in a manner that violates various laws and regulations, we may be subject to civil or criminal penalties.

In addition to FDA and related regulatory requirements, we are subject to health care “fraud and abuse” laws, such as the federal False Claims Act, the anti-kickback provisions of the federal Social Security Act, and other state and federal laws and regulations. Federal and state anti-kickback laws prohibit, among other things, knowingly and willfully offering, paying, soliciting or receiving remuneration to induce, or in return for purchasing, leasing, ordering or arranging for the purchase, lease or order of any health care item or service reimbursable under Medicare, Medicaid, or other federally- or state-financed health care programs. Federal false claims laws prohibit any person from knowingly presenting, or causing to be presented, a false claim for payment to the federal government, or knowingly making, or causing to be made, a false statement to get a false claim paid. Pharmaceutical companies have been prosecuted under these laws for a variety of alleged promotional and marketing activities.

Although physicians are permitted, based on their medical judgment, to prescribe products for indications other than those approved by the FDA, manufacturers are prohibited from promoting their products for such off-label uses. We market JAKAFI for intermediate or high-risk myelofibrosis, uncontrolled polycythemia vera and acute graft-versus-host disease and provide promotional materials to physicians regarding the use of JAKAFI for these indications. Although we believe that our promotional materials for physicians do not constitute improper promotion of JAKAFI, the FDA or other agencies may disagree. If the FDA or another agency determines that our promotional materials or other activities constitute improper promotion of JAKAFI, it could request that we modify our promotional materials or other activities or subject us to regulatory enforcement actions, including the issuance of a warning letter, injunction, seizure, civil fine and criminal penalties. It is also possible that other federal, state or foreign enforcement authorities might take action if they believe that the alleged improper promotion led to the submission and payment of claims for an unapproved use, which could result in significant fines or penalties under other statutory authorities, such as laws prohibiting false claims for reimbursement. Even if it is later determined we are not in violation of these laws, we may be faced with negative publicity, incur significant expenses defending our position and have to divert significant management resources from other matters. Similar risks exist for our marketing of our other products and our collaborator MorphoSys’s marketing of MONJUVI.

The European Union and member countries, as well as governmental authorities in other countries, impose similar strict restrictions on the promotion and marketing of drug products. The off-label promotion of medicinal products is prohibited in the EU and in other territories, and the EU also maintains strict controls on advertising and promotional materials. The promotion of medicinal products that are not subject to a marketing authorization is also prohibited in the EU. Violations of the rules governing the promotion of medicinal products in the EU and in other territories could be penalized by administrative measures, fines and imprisonment.

The majority of states also have statutes or regulations similar to the federal anti-kickback law and false claims laws, which apply to items and services reimbursed under Medicaid and other state programs, or, in several states, apply regardless of the payor. Numerous states and localities have enacted or are considering enacting legislation requiring pharmaceutical companies to establish marketing compliance programs, file periodic reports or make periodic public disclosures on sales, marketing, pricing, clinical trials, and other activities. Additionally, as part of the Patient Protection and Affordable Care Act, the federal government has enacted the Physician Payment Sunshine provisions. The Sunshine provisions and similar laws and regulations in other jurisdictions where we do business require manufacturers to publicly report certain payments or other transfers of value made to physicians and teaching hospitals. Many of these requirements are new and uncertain, and the penalties for failure to comply with these requirements are unclear. Nonetheless, if we are found not to be in full compliance with these laws, we could face enforcement action and fines and other penalties, which could be significant in amount or result in exclusion from federal healthcare programs such as Medicare and Medicaid. Any action initiated against us for violation of these laws, even if we successfully defend against it, could require the expenditure of significant resources and generate negative publicity, which could harm our business and operating results, and any settlement of such action initiated against us, regardless of the merits, could result in the payment of significant amounts, which could harm our financial condition and operating results. See also “—Other Risks Relating to our Business—If we fail to comply with the extensive legal and regulatory requirements affecting the health care industry, we could face increased costs, penalties and a loss of business” below.

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Competition for our products could harm our business and result in a decrease in our revenue.

Our products compete, and our product candidates may in the future compete, with currently existing therapies, including generic drugs, product candidates currently under development by us and others, or future product candidates, including new chemical entities that may be safer or more effective or more convenient than our products. Any products that we develop may be commercialized in competitive markets, and our competitors, which include large global pharmaceutical and biopharmaceutical companies and smaller research-based biotechnology companies, may succeed in developing products that render our products obsolete or noncompetitive. Many of our competitors, particularly large pharmaceutical and biopharmaceutical companies, have substantially greater financial, operational and human resources than we do. Smaller or earlier stage companies may also prove to be significant competitors, particularly through focused development programs and collaborative arrangements with large, established companies. In addition, many of our competitors deploy more personnel to market and sell their products than we do, and we compete with other companies to recruit, hire, train and retain pharmaceutical sales and marketing personnel. If our sales force and sales support organization are not appropriately resourced and sized to adequately promote our products, the commercial potential of our current and any future products may be diminished. In any event, the commercial potential of our current products and any future products may be reduced or eliminated if our competitors develop or acquire and commercialize generic or branded products that are safer or more effective, are more convenient or are less expensive than our products. See “Item 1. Business —Competition” in our Annual Report on Form 10-K for the year ended December 31, 2022 for additional information regarding the effects of competition. If we are unable to compete successfully, our commercial opportunities will be reduced and our business, results of operations and financial conditions may be materially harmed.

Present and potential competitors for JAKAFI include major pharmaceutical and biotechnology companies, as well as specialty pharmaceutical firms. In addition, JAKAFI could face competition from generic products. As a result of the Drug Price Competition and Patent Term Restoration Act of 1984, commonly known as the Hatch-Waxman Act, in the United States, generic manufacturers may seek approval of a generic version of an innovative pharmaceutical by filing with the FDA an Abbreviated New Drug Application, or ANDA. The Hatch-Waxman Act provides significant incentives to generic manufacturers to challenge U.S. patents on successful innovative pharmaceutical products. In February 2016, we received a notice letter regarding an ANDA that requested approval to market a generic version of JAKAFI and purported to challenge patents covering ruxolitinib phosphate and its use that expire in 2028. The notice letter does not challenge the ruxolitinib composition of matter patent, which expires in December 2027. To date, to our knowledge, the FDA has taken no action with respect to this ANDA. Separately, in January 2018 the Patent Trial and Appeal Board (PTAB) of United States Patent and Trademark Office denied a petition challenging our patent covering deuterated ruxolitinib analogs and the PTAB subsequently denied the petitioner’s request for rehearing in May 2018. Nevertheless, the petitioner still has the right separately to challenge the validity of our patent in federal court. There can be no assurance that our patents will be upheld or that any litigation in which we might engage with any such generic manufacturer would be successful in protecting JAKAFI’s exclusivity. The entry of a competitive drug product from another company or a generic version of JAKAFI could result in a decrease in JAKAFI sales and materially harm our business, operating results and financial condition.

ICLUSIG currently competes with existing therapies that are approved for the treatment of patients with chronic myeloid leukemia, or CML, who are resistant or intolerant to prior tyrosine kinase inhibitor, or TKI, therapies, on the basis of, among other things, efficacy, cost, breadth of approved use and the safety and side-effect profile. In addition, generic versions of imatinib are available and, while we currently believe that generic versions of imatinib will not materially impact our commercialization of ICLUSIG, given ICLUSIG’s various indication statements globally that are currently focused on resistant or intolerant CML, we cannot be certain how physicians, payors, patients, regulatory authorities and other market participants will respond to the availability of generic versions of imatinib.

MONJUVI/MINJUVI currently competes with existing therapies that are approved for the treatment of patients with diffuse large B-cell lymphoma on the basis of, among other things, efficacy, cost, breadth of approved use and the safety and side-effect profile. These existing therapies are offered by major pharmaceutical and biotechnology companies, as well as specialty pharmaceutical firms. Competitors and potential competitors for PEMAZYRE and ZYNYZ include major pharmaceutical and biotechnology companies, as well as specialty pharmaceutical firms.

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Competitors for OPZELURA include existing over-the-counter topical treatments, prescription topical treatments, including generic versions, such as tacrolimus, pimecrolimus, topical steroids, and EUCRISA (crisaborole) from Pfizer Inc., as well as oral and injectable therapies such as prednisone and other oral steroids, injectable DUPIXENT (dupilimab) from Sanofi and Regeneron Pharmaceuticals, Inc., and oral CIBINQO (abrocitinib) from Pfizer Inc. and RINVOQ (upadacitinib) from AbbVie Inc. In September 2023, we received a notice letter regarding an ANDA that requested approval to market a generic version of OPZELURA and purported to challenge patents covering ruxolitinib phosphate cream and its uses that expire in 2031 and 2040. The notice letter does not challenge ruxolitinib nor the ruxolitinib phosphate composition of matter patents, providing patent coverage (with pediatric extension) until December 2028. To date, to our knowledge, the FDA has taken no action with respect to this ANDA.

Factors similar to those listed above also apply to our collaborator Novartis for JAKAVI and TABRECTA in jurisdictions in which it has commercialization rights and to our collaborator Lilly for OLUMIANT all jurisdictions. With respect to OLUMIANT, in August 2022 we and Lilly received notice letters with respect to ANDAs that requested approval to market generic versions of OLUMIANT prior to the expiration of the three U.S. Patents that expire in 2030.

OTHER RISKS RELATING TO OUR BUSINESS

Public health epidemics and pandemics, such as the COVID-19 pandemic, have adversely affected and could in the future adversely affect our business, results of operations, and financial condition.

Our global operations expose us to risks associated with public health epidemics and pandemics, such as the COVID-19 pandemic. The extent to which a public health pandemic and the measures taken to limit the disease's spread can impact our operations and those of our suppliers, collaborators, service providers and healthcare organizations serving patients, as well as demand for our drug products, will depend on developments, that are highly uncertain, including the duration of the outbreak and any related government actions.

As a result of the COVID-19 pandemic, we experienced, and as a result of future pandemics we may in the future experience disruptions that could severely impact our business, results of operations and financial condition, including the following:

•When the COVID-19 pandemic commenced, to protect the health of our employees and their families, and our communities, in accordance with – and in some cases in advance of – direction from state and local government authorities, we limited access to our facilities and a significant percentage of our personnel worked remotely. In the event that governmental authorities were to establish any form of similar workplace restrictions, our employees conducting research and development activities may not be able to access our laboratory space or access may be limited, and our research and development activities may be significantly limited or curtailed, possibly for an extended period of time. These research and development activities could include completing Investigational New Drug (IND)/Clinical Trial Application (CTA)-enabling studies, our ability to select future development candidates, and initiation of additional clinical trials for our development programs. Having a significant portion of our employees work from home can strain our information technology infrastructure, which may affect our ability to operate effectively, may make us more susceptible to communications disruptions, and expose us to greater cybersecurity risks.

•Our sales and marketing activities, including our interactions with healthcare professionals, were limited and made more difficult by government or employer imposed work from home orders and travel and workplace visitor restrictions resulting from measures to address the COVID-19 pandemic, as well as employee-initiated remote work and travel limitations resulting from, among other things, the spread of the COVID-19 variants. In addition, demand for our products was affected by decreases in new patients, which we believe resulted in large part from decreases in patient visits to healthcare professionals and prioritization of hospital resources for the COVID-19 pandemic, resulting in decreases in disease screening and diagnosis. A future public epidemic or pandemic could have similar effects on our operations.

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•Our clinical trials were affected by delays in site initiation, patient screening, patient enrollment, and monitoring and data collection as a result of prioritization of hospital resources for the COVID-19 pandemic, difficulty in recruiting and retaining healthcare providers and staff due to their diversion toward treating COVID-19 patients, the potential unwillingness of patients to enroll or continue in clinical trials for fear of exposure to COVID-19 at sites, and the inability to access sites for initiation and monitoring. Also, we rely on independent clinical investigators, contract research organizations and other third-party service providers to assist us in managing, monitoring and otherwise carrying out our preclinical studies and clinical trials, and the COVID-19 pandemic affected their ability to devote sufficient time and resources to our programs or to travel to sites to perform work for us. A future public health epidemic or pandemic could have similar effects.

•Regulatory agencies globally experienced disruptions in their operations as a result of the COVID-19 pandemic and could experience similar disruptions with a future public health epidemic or pandemic. The FDA and comparable foreign regulatory agencies may have slower response times or be under-resourced to continue to monitor our clinical trials as a result of any future public health epidemic or pandemic and, as a result, review, inspection, and other timelines may be materially delayed. Our drug candidate application reviews and potential approvals could be impacted or delayed by these disruptions, if they occur.

•A public health epidemic or pandemic and measures taken to limit the spread of the outbreak, especially if prolonged, could also disrupt our supply chain or limit our ability to obtain sufficient materials for our drug products and product candidates, which could adversely affect our revenues and clinical trial timelines. Currently, our supply chain for our drug products and product candidates depends on operations by us and by other companies in multiple countries around the world, and the effects of a public health epidemic or pandemic on any or all of these countries is uncertain and unpredictable and potential disruption is possible. In addition, our third-party manufacturers might experience capacity constraints and delays in producing materials for our drug products and product candidates if they are required, under the U.S. Defense Production Act or similar governmental mandates, to prioritize production of raw materials, supplies, drugs or vaccines to address a public health epidemic or pandemic.

•Any deterioration of worldwide credit and financial markets could result in losses on our holdings of cash and investments due to failures of financial institutions and other parties, and interruptions and delays in our ability to collect, or potential losses on, our accounts receivable.

Our collaborators could be affected by similar factors as those that have or could affect our business. The ultimate impact of a public health epidemic or pandemic is highly uncertain, but the potential impacts or delays on our or our collaborators’ businesses, our revenues, including milestone and royalty revenues from our collaborators, our and our collaborators’ clinical trials, healthcare systems or the global economy as a whole could have a material adverse impact on our business, results of operations, and financial condition.

We may be unsuccessful in our efforts to discover and develop drug candidates and commercialize drug products.

Our long term success, revenue growth and diversification of revenues depends on our ability to obtain regulatory approval for new drug products and additional indications for our existing drug products. Our ability to discover and develop drug candidates and to commercialize additional drug products and indications will depend on our ability to:

•hire and retain key employees;

•identify high quality therapeutic targets;

•identify potential drug candidates;

•develop products internally or license or acquire drug candidates from others;

•identify and enroll suitable human subjects, either in the United States or abroad, for our clinical trials;

•complete laboratory testing;

•commence, conduct and complete safe and effective clinical trials on humans;

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•obtain and maintain necessary intellectual property rights to our products;

•obtain and maintain necessary regulatory approvals for our products, both in the United States and abroad;

•enter into arrangements with third parties to provide services or to manufacture our products on our behalf;

•deploy sales, marketing, distribution and manufacturing resources effectively or enter into arrangements with third parties to provide these functions in compliance with all applicable laws;

•obtain appropriate coverage and reimbursement levels for the cost of our products from governmental authorities, private health insurers and other third-party payors;

•lease facilities at reasonable rates to support our growth; and

•enter into arrangements with third parties to license and commercialize our products.

We may not be successful in discovering, developing, or commercializing additional drug products or our existing drug products in new indications. Discovery and development of drug candidates are expensive, uncertain and time-consuming, and we do not know if our efforts will lead to discovery of any drug candidates that can be successfully developed and marketed. Of the compounds or biologics that we identify as potential drug products or that we may in-license from other companies, including potential products for which we are conducting clinical trials, only a few, if any, are likely to lead to successful drug development programs and commercialized drug products.

We depend heavily on the success of our most advanced drug candidates. We and our collaborators might not be able to commercialize any of our or their drug candidates successfully, and we may spend significant time and money attempting to do so.

We have invested significant resources in the development of our most advanced drug candidates. We have a number of drug candidates in Phase III clinical trials as monotherapies or in combination with other drugs and drug candidates, including parsaclisib, pemigatinib, retifanlimab, ruxolitinib, ruxolitinib cream and tafasitamab. Our ability to generate product revenues will depend on the successful development and eventual commercialization of our most advanced drug candidates. We, or our collaborators or licensees, may decide to discontinue development of any or all of our drug candidates at any time for commercial, scientific or other reasons. For example, in April 2018, we along with Merck stopped the ECHO-301 study with epacadostat, and we also significantly downsized the epacadostat development program. If a product is developed but not approved or marketed, or becomes approved for a narrower set of indications than those for which we initially conducted clinical trials, we may have spent significant amounts of time and money on it without achieving potential returns initially anticipated, which could adversely affect our operating results and financial condition as well as our business plans.

If we or our collaborators are unable to obtain regulatory approval for our drug candidates in the United States and foreign jurisdictions, we or our collaborators will not be permitted to commercialize products resulting from our research.

In order to commercialize drug products in the United States, drug candidates will have to obtain regulatory approval from the FDA. Satisfaction of regulatory requirements typically takes many years. To obtain regulatory approval, we or our collaborators, as the case may be, must first show that our or our collaborators’ drug candidates are safe and effective for target indications through preclinical testing (animal testing) and clinical trials (human testing). Preclinical testing and clinical development are long, expensive and uncertain processes, and we do not know whether the FDA will allow us or our collaborators to undertake clinical trials of any drug candidates in addition to our or our collaborators’ compounds currently in clinical trials. If regulatory approval of a product is granted, this approval will be limited to those disease states and conditions for which the product is demonstrated through clinical trials to be safe and effective.

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Completion of clinical trials may take several years and failure may occur at any stage of testing. The length of time required varies substantially according to the type, complexity, novelty and intended use of the drug candidate. Interim results of a preclinical test or clinical trial do not necessarily predict final results, and acceptable results in early clinical trials may not be repeated in later clinical trials. For example, a drug candidate that is successful at the preclinical level may cause harmful or dangerous side effects when tested at the clinical level. Our rate of commencement and completion of clinical trials may be delayed, and existing clinical trials with our or our collaborators’ drug candidates may be stopped, due to many potential factors, including:

•the high degree of risk and uncertainty associated with drug development;

•our inability to formulate or manufacture sufficient quantities of materials for use in clinical trials;

•variability in the number and types of patients available for each study;

•difficulty in maintaining contact with patients after treatment, resulting in incomplete data;

•unforeseen safety issues or side effects;

•poor or unanticipated effectiveness of drug candidates during the clinical trials; or

•government or regulatory delays.

Data obtained from clinical trials are susceptible to varying interpretation, which may delay, limit or prevent regulatory approval. Many companies in the pharmaceutical and biopharmaceutical industry, including our company, have suffered significant setbacks in advanced clinical trials, even after achieving promising results in earlier clinical trials. In addition, regulatory authorities may refuse or delay approval as a result of other factors, such as changes in regulatory policy during the period of product development and regulatory agency review. For example, the FDA has in the past required, and could in the future require, that we or our collaborators conduct additional trials of any of our drug candidates, which would result in delays. In April 2017, we and our collaborator Lilly announced that the FDA had issued a complete response letter for the New Drug Application, or NDA, of OLUMIANT as a once-daily oral medication for the treatment of moderate-to-severe rheumatoid arthritis. The letter indicated that additional clinical data were needed to determine the most appropriate doses and to further characterize safety concerns across treatment arms. In June 2018, after a resubmission of the NDA, the FDA approved the 2mg dose of OLUMIANT for the treatment of adults with moderately-to-severely active rheumatoid arthritis who have had an inadequate response to one or more tumor necrosis factor inhibitor therapies. The FDA did not at that time approve any higher dose of OLUMIANT and required a warning label in connection with its approval. In addition, in January 2022, we announced that we withdrew the NDA seeking approval of parsaclisib for the treatment of patients with relapsed or refractory follicular lymphoma, marginal zone lymphoma and mantle cell lymphoma. The decision to withdraw the NDA followed discussions with FDA regarding confirmatory clinical trials that we determined cannot be completed within the time period to support the investment. In addition, in March 2023, we received a complete response letter for ruxolitinib extended-release (XR) tablets, which identified additional requirements for approval.

Compounds or biologics developed by us or with or by our collaborators and licensees may not prove to be safe and effective in clinical trials and may not meet all of the applicable regulatory requirements needed to receive marketing approval. For example, in January 2016, a Phase II trial that was evaluating ruxolitinib in combination with regorafenib in patients with relapsed or refractory metastatic colorectal cancer and high C-reactive protein was stopped early after a planned analysis of interim efficacy data determined that the likelihood of the trial meeting its efficacy endpoint was insufficient. In addition, in February 2016, we made a decision to discontinue our JANUS 1 study, our JANUS 2 study, our other studies of ruxolitinib in colorectal, breast and lung cancer, and our study of INCB39110 in pancreatic cancer after a planned analysis of interim efficacy data of JANUS 1 demonstrated that ruxolitinib plus capecitabine did not show a sufficient level of efficacy to warrant continuation. Also, in April 2018, we along with Merck announced that the ECHO-301 study had been stopped and we also significantly downsized the epacadostat development program and in January 2020 we stopped our Phase III trial of itacitinib for the treatment of acute graft-versus-host-disease. If clinical trials of any of our or our collaborators’ compounds or biologics are stopped for safety, efficacy or other reasons or fail to meet their respective endpoints, our overall development plans, business, prospects, expected operating results and financial condition could be materially harmed and the value of our company could be negatively affected.

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Even if any of our applications receives an FDA Fast Track or priority review designation (including based on a priority review voucher, one of which we recently acquired and used in connection with our submission seeking FDA approval of ruxolitinib cream for atopic dermatitis), these designations may not result in faster review or approval for our product candidate compared to product candidates considered for approval under conventional FDA procedures and, in any event, do not assure ultimate approval of our product candidate by FDA. For example, in June 2021 we were informed by the FDA that the FDA had extended by three months the review period for the NDA for ruxolitinib cream for atopic dermatitis. Also, in July 2021, we announced that the FDA issued a complete response letter for the BLA of retifanlimab for the treatment of squamous cell carcinoma of the anal canal, in which the FDA stated it cannot approve the BLA and that additional data are needed. In addition, while the FDA had granted orphan drug designation and Fast Track designation to parsaclisib as a treatment for patients with follicular lymphoma, marginal zone lymphoma and mantle cell lymphoma, as discussed above we withdrew our NDA seeking approval for treatment of patients with those lymphomas. The FDA has recently increased its attention on mandated confirmatory trials for oncology drug candidates with accelerated approvals, and the logistics, cost and timing required for confirmatory trials may conflict with the investment thesis for drug candidates, resulting in withdrawal of approval applications.

Outside the United States, our and our collaborators’ ability to market a product is contingent upon receiving a marketing authorization from the appropriate regulatory authorities. This foreign regulatory approval process typically includes all of the risks associated with the FDA approval process described above and may also include additional risks. The requirements governing the conduct of clinical trials, product licensing, pricing and reimbursement vary greatly from country to country and may require us to perform additional testing and expend additional resources. Approval by the FDA does not ensure approval by regulatory authorities in other countries, and approval by one foreign regulatory authority does not ensure approval by regulatory authorities in other countries or by the FDA.

Health care reform measures could impact the pricing and profitability of pharmaceuticals, and adversely affect the commercial viability of our or our collaborators’ products and drug candidates.

In recent years, through legislative and regulatory actions and executive orders, the U.S. federal government has made substantial changes to various payment systems under the Medicare and other federal health care programs. Comprehensive reforms to the U.S. healthcare system were enacted, including changes to the methods for, and amounts of, Medicare reimbursement. For example, a provision in the American Rescue Plan Act of 2021 that is expected to be implemented in 2024 will have the effect of increasing the Medicaid rebate liability for some medicines that increase prices in excess of inflation. Further, in August 2022, the Inflation Reduction Act of 2022 was enacted, which includes provisions allowing the federal government to negotiate prices for certain high-expenditure single source Medicare drugs, to impose penalties and to implement a potential excise tax for manufacturers that fail to comply with the negotiation by offering a price that is not equal to or less than the negotiated “maximum fair price” under the law, and to impose rebate liability on manufacturers that take price increases that exceed inflation. The new law also reduced the out-of-pocket prescription drug costs for Medicare Part D beneficiaries, and to help pay for this change in benefit design, the law imposes a new discount program starting in 2025, in which manufacturers pay specified discounts on Medicare Part D utilization of their drugs as a condition of selling such drugs in the Medicare Part D program. The Inflation Reduction Act includes certain exemptions for small biotech drug manufacturers, including Incyte. These exemptions apply on a drug-specific basis, and qualifying drugs will be exempt from possible negotiation through 2028 and subject to reduced discounts that will be phased-in over a number of years under the new Part D benefit. While there is currently significant uncertainty regarding the implementation of some of these reforms or the scope of amended or additional reforms, the implementation of reforms could significantly reduce net sales resulting from the Medicare programs and limit our ability to increase the prices that we charge for our drugs. Reforms or other changes to these payment systems may change the availability, methods and rates of reimbursements from Medicare, private insurers and other third-party payors for our current and any future approved products. These reforms may affect future investments in our drug development, should the reforms affect our risk-benefit analysis of investing in a drug candidate. Some of these changes and proposed changes could result in reduced reimbursement rates or the elimination of dual sources of payment, which could reduce the price that we or any of our collaborators or licensees receive for any products in the future, and which would adversely affect our business strategy, operations and financial results.

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In addition, there has been an increasing legislative and enforcement interest in the United States with respect to drug pricing practices. This has resulted in significant legislative activity and proposals from the prior and current Administrations relating to prescription drug prices and reimbursement, any of which, if enacted, could impose downward pressure on the prices that we can charge for our products and may further limit the commercial viability of our products and drug candidates. Specifically, there have been ongoing federal congressional inquiries and proposed and enacted federal and state legislation, executive orders and administrative agency rules designed to, among other things, bring more transparency to drug pricing, reduce drug prices, reform government program reimbursement methodologies for prescription drugs, expand access to government-mandated discounted pricing (known as 340B pricing) through broader contract pharmacy arrangements, allow importation of drugs into the United States from other countries, and limit allowable prices for drugs through reference to an average price from foreign markets that may be substantially lower than what we currently or would otherwise charge. In certain foreign markets, pricing or profitability of prescription pharmaceuticals is subject to government control. We expect that the health care reform measures that have been adopted in the United States and in foreign markets, and further reforms that may be adopted in the future, could result in more rigorous coverage criteria and additional downward pressure on the prices that we may receive for our approved products. If reimbursement for our products is unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, our business could be materially harmed, including by our revenue potentially being materially adversely affected and our research and development efforts potentially being materially curtailed or, in some cases, ceasing. There may be future changes that result in reductions in current prices, coverage and reimbursement levels for our current or any future approved products, and we cannot predict the scope of any future changes or the impact that those changes would have on our operations.

Further, if we become the subject of any governmental or other regulatory hearing or investigation with respect to the pricing of our products or other business practices, we could incur significant expenses and could be distracted from the operation of our business and execution of our business strategy. Any such hearing or investigation could also result in significant negative publicity and harm to our reputation, reduced market acceptance and demand, which could adversely affect our financial results and growth prospects.

In addition, the trend toward managed health care in the United States, the organizations for which could control or significantly influence the purchase of health care services and products, as well as legislative and regulatory proposals to reform health care or address the cost of government insurance programs, may all result in lower prices for or rejection of our products. Adoption of our products by the medical community and patients may be limited without adequate reimbursement for those products. Cost control initiatives may decrease coverage and payment levels for our products and, in turn, the price that we will be able to charge for any product. Our products may not be considered cost-effective, and coverage and reimbursement may not be available or sufficient to allow us to sell our products on a profitable basis. We are unable to predict all changes to the coverage or reimbursement methodologies that will be applied by private or government payors to our current and any future approved products.

The continuing efforts of legislatures, health agencies and third-party payors to contain or reduce the costs of health care, any denial of private or government payor coverage or inadequate reimbursement for our drug candidates could materially and adversely affect our business strategy, operations, future revenues and profitability, and the future revenues and profitability of our potential customers, suppliers, collaborators and licensees and the availability of capital. The same risks apply to our compounds developed and marketed by our collaborators, and our future potential milestone and royalty revenues could be affected in a similar manner.

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We depend on our collaborators and licensees for the future development and commercialization of some of our drug candidates. Conflicts may arise between our collaborators and licensees and us, or our collaborators and licensees may choose to terminate their agreements with us, which may adversely affect our business.

We have licensed to Novartis rights to ruxolitinib outside of the United States and worldwide rights to our MET inhibitor compounds, including TABRECTA, and licensed to Lilly worldwide rights to baricitinib. In addition, we have licensed to CMS, Innovent, InnoCare and Maruho certain Asian rights to some of our drug products and clinical stage compounds. Under the terms of our agreements with these collaborators, we have no or limited control over the further clinical development of these drug candidates in the relevant territories and any revenues we may receive if these drug candidates receive regulatory approval and are commercialized in the relevant territories will depend primarily on the development and commercialization efforts of others. While OLUMIANT was approved by the European Commission in February 2017 for the treatment of moderate-to-severe rheumatoid arthritis in adult patients and by Japan’s Ministry of Health, Labor and Welfare in July 2017 for the treatment of rheumatoid arthritis in patients with inadequate response to standard-of-care therapies, the NDA for OLUMIANT for the treatment of moderate-to-severe rheumatoid arthritis was approved in June 2018, and only in the lower dosage tablet and with a warning label. Delays in any marketing approval by the FDA, European or other regulatory authorities, or any label modifications or restrictions in connection with any such approval, or the existence of other risks relating to approved drug products, including those described under “Risks Relating to Commercialization of Our Products,” could delay the receipt of and reduce resulting potential royalty and milestone revenue from baricitinib or any of our other out-licensed drug candidates.

Conflicts may arise with our collaborators and licensees if they pursue alternative technologies or develop alternative products either on their own or in collaboration with others as a means for developing treatments for the diseases that we have targeted. Competing products and product opportunities may lead our collaborators and licensees to withdraw their support for our drug candidates. Any failure of our collaborators and licensees to perform their obligations under our agreements with them or otherwise to support our drug candidates could negatively impact the development of our drug candidates, lead to our loss of potential revenues from product sales and milestones and delay our achievement, if any, of profitability. Additionally, conflicts have from time to time occurred, and may in the future arise, relating to, among other things, disputes about the achievement and payment of milestone amounts and royalties owed, the ownership of intellectual property that is developed during the course of a collaborative relationship or the operation or interpretation of other provisions in our collaboration agreements. These disputes have led and could in the future lead to litigation or arbitration, which could be costly and divert the efforts of our management and scientific staff, and could diminish the expected effectiveness of the collaboration.

Our existing collaborative and license agreements can be terminated by our collaborators and licensees for convenience, among other circumstances. If any of our collaborators or licensees terminates its agreement with us, or terminates its rights with respect to certain indications or drug candidates, we may not be able to find a new collaborator for them, and our business could be adversely affected. Should an agreement be terminated before we have realized the benefits of the collaboration or license, our reputation could be harmed, we may not obtain revenues that we anticipated receiving, and our business could be adversely affected.

The success of our drug discovery and development efforts may depend on our ability to find suitable collaborators to fully exploit our capabilities. If we are unable to establish collaborations or if these future collaborations are unsuccessful in the development and commercialization of our drug candidates, our research, development and commercialization efforts may be unsuccessful, which could adversely affect our results of operations, financial condition and future revenue prospects.

An element of our business strategy is to enter into collaborative or license arrangements with other parties, under which we license our drug candidates to those parties for development and commercialization or under which we study our drug candidates in combination with other parties’ compounds or biologics. For example, in addition to our Novartis, Lilly, Innovent, InnoCare, Maruho and CMS collaborations, we are evaluating strategic relationships with respect to several of our other programs. However, because collaboration and license arrangements are complex to negotiate, we may not be successful in our attempts to establish these arrangements. Also, we may not have drug candidates that are desirable to other parties, or we may be unwilling to license a drug candidate to a particular party because such party interested in it is a competitor or for other reasons. The terms of any such arrangements that we establish may not be favorable to us. Alternatively, potential collaborators may decide against entering into an agreement with us because of our financial, regulatory or intellectual property position or for scientific, commercial or other reasons. If we are not able to establish collaboration or license arrangements, we may not be able to develop and commercialize a drug product, which could adversely affect our business, our revenues and our future revenue prospects.

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We will likely not be able to control the amount and timing of resources that our collaborators or licensees devote to our programs or drug candidates. If our collaborators or licensees prove difficult to work with, are less skilled than we originally expected, do not devote adequate resources to the program, are unable to obtain regulatory approval of our drug candidates, pursue alternative technologies or develop alternative products, or do not agree with our approach to development or manufacturing of the drug candidate, the relationship could be unsuccessful. Our collaborations with respect to epacadostat involved the study of our collaborators’ drugs used in combination with epacadostat on a number of indications or tumor types, many of which were the same across multiple collaborations. We cannot assure you that potential conflicts will not arise or be alleged among these or future collaborations. If a business combination involving a collaborator or licensee and a third-party were to occur, the effect could be to terminate or cause delays in development of a drug candidate.

If we fail to enter into additional licensing agreements or if these arrangements are unsuccessful, our business and operations might be adversely affected.

In addition to establishing collaborative or license arrangements under which other parties license our drug candidates for development and commercialization or under which we study our drug candidates in combination with such parties’ compounds or biologics, we may explore opportunities to develop our clinical pipeline by in-licensing drug candidates or therapeutics targets that fit within our focus on oncology, such as our collaborations with Agenus Inc., MacroGenics, Inc., Merus N.V., MorphoSys, and Syndax Pharmaceuticals, Inc., or explore additional opportunities to further develop and commercialize existing drug candidates in specific jurisdictions, such as our June 2016 acquisition of the development and commercialization rights to ICLUSIG in certain countries. We may be unable to enter into any additional in-licensing agreements because suitable drug candidates that are within our expertise may not be available to us on terms that are acceptable to us or because competitors with greater resources seek to in-license the same drug candidates. Drug candidates that we would like to develop or commercialize may not be available to us because they are controlled by competitors who are unwilling to license the rights to the drug candidate to us. In addition, we may enter into license agreements that are unsuccessful and our business and operations might be adversely affected if we are unable to realize the expected economic benefits of a collaboration or other licensing arrangement, by the termination of a drug candidate and termination and winding down of the related license agreement, or due to other business or regulatory issues, including financial difficulties, that may adversely affect a licensor’s ability to continue to perform its obligations under an in-license agreement. For example, in January 2022, we decided to opt-out of the continued development with Merus of MCLA-145, which was the most advanced compound under our collaboration with Merus, and in September 2022, we decided to terminate our collaboration with Calithera Biosciences, Inc. If we make or incur contractual obligations to make significant upfront payments in connection with licenses for late-stage drug candidates, as we did in March 2020 in connection with the effectiveness of our collaboration agreement with MorphoSys, and if any of those drug candidates do not receive marketing approval or commercial sales as anticipated or we have to fund additional clinical trials before marketing approval can be obtained, we will have expended significant funds that might otherwise be applied for other uses or have to expend funds that were not otherwise budgeted or anticipated in connection with the collaboration, and such developments could have a material adverse effect on our stock price and our ability to pursue other transactions. As discussed above under “We depend on our collaborators and licensees for the future development and commercialization of some of our drug candidates. Conflicts may arise between our collaborators and licensees and us, or our collaborators and licensees may choose to terminate their agreements with us, which may adversely affect our business,” conflicts or other issues may arise with our licensors. Those conflicts could result in delays in our plans to develop drug candidates or result in the expenditure of additional funds to resolve those conflicts that could have an adverse effect on our results of operations. We may also need to license drug delivery or other technology in order to continue to develop our drug candidates. If we are unable to enter into additional agreements to license drug candidates, drug delivery technology or other technology or if these arrangements are unsuccessful, our research and development efforts could be adversely affected, and we may be unable to increase our number of successfully marketed products and our revenues.

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Even if a drug candidate that we develop receives regulatory approval, we may decide not to commercialize it if we determine that commercialization of that product would require more money and time than we are willing to invest.

Even if any of our drug candidates receives regulatory approval, it could be subject to post-regulatory surveillance, and may have to be withdrawn from the market or subject to restrictions if previously unknown problems occur. Regulatory agencies may also require additional clinical trials or testing, and the drug product may be recalled or may be subject to reformulation, additional studies, changes in labeling, warnings to the public and negative publicity. As a result, we may not continue to commercialize a product even though it has obtained regulatory approval. Further, we may decide not to continue to commercialize a product if the market does not accept the product because it is too expensive or because third parties such as insurance companies or Medicare, will not cover it for substantial reimbursement. In addition, we may decide not to continue to commercialize a product if competitors develop and commercialize similar or superior products or have proprietary rights that preclude us from ultimately marketing our products.

Any approved drug product that we bring to the market may not gain market acceptance by physicians, patients, healthcare payors and others in the medical community.

Even if we or our collaborators are successful in gaining regulatory approval of any of our or our collaborators’ drug candidates in addition to JAKAFI, OLUMIANT, PEMAZYRE, MONJUVI/MINJUVI, OPZELURA and ZYNYZ or acquire rights to approved drug products in addition to ICLUSIG, we may not generate significant product revenues if these drug products do not achieve an adequate level of acceptance. Physicians may not recommend our or our collaborators’ drug products until longer-term clinical data or other factors demonstrate the safety and efficacy of our or our collaborators’ drug products as compared to other alternative treatments. Even if the clinical safety and efficacy of our or our collaborators’ drug products is established, physicians may elect not to prescribe these drug products for a variety of reasons, including the reimbursement policies of government and other third-party payors and the effectiveness of our or our collaborators’ competitors in marketing their products.

Market acceptance of our drug products, if approved for commercial sale, will depend on a number of factors, including the following, and market acceptance of our collaborators’ drug products will depend on similar factors:

•the willingness and ability of patients and the healthcare community to use our drug products;

•the ability to manufacture our drug products in sufficient quantities that meet all applicable quality standards and to offer our drug products for sale at competitive prices;

•the perception of patients and the healthcare community, including third-party payors, regarding the safety, efficacy and benefits of our drug products compared to those of competing products or therapies;

•the label and promotional claims allowed by the FDA;

•the pricing and reimbursement of our drug products relative to existing treatments; and

•marketing and distribution support for our drug products.

In September 2021, the FDA updated labeling for JAKAFI and other JAK-inhibitor drugs to include warnings of increased risk of major adverse cardiovascular events, thrombosis, and secondary malignancies related to another JAK-inhibitor treating rheumatoid arthritis, a condition for which JAKAFI is not indicated. The label for OPZELURA contains similar warnings seen with JAK inhibitors for inflammatory conditions. We cannot predict the effects on sales of JAKAFI as a result of the labeling change or OPZELURA as a result of warning included in its label, but it is possible that future sales of JAKAFI and the commercial success of OPZELURA can be negatively affected by the updated labeling, which could have a material and adverse effect on our business, results of operations and prospects.

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We have limited capacity to conduct preclinical testing and clinical trials, and our resulting dependence on other parties could result in delays in and additional costs for our drug development efforts.

We have limited internal resources and capacity to perform preclinical testing and clinical trials. As part of our development strategy, we often hire contract research organizations, or CROs, to perform preclinical testing and clinical trials for drug candidates. If the CROs that we hire to perform our preclinical testing and clinical trials do not meet deadlines, do not follow proper procedures, or a conflict arises between us and our CROs, our preclinical testing and clinical trials may take longer than expected, may cost more, may be delayed or may be terminated. If we were forced to find a replacement entity to perform any of our preclinical testing or clinical trials, we may not be able to find a suitable entity on favorable terms, or at all. Even if we were able to find another company to perform a preclinical test or clinical trial, the delay in the test or trial may result in significant additional expenditures. Events such as these may result in delays in our obtaining regulatory approval for our drug candidates or our ability to commercialize our products and could result in increased expenditures that would adversely affect our operating results.

We face significant competition for our drug discovery and development efforts, and if we do not compete effectively, our commercial opportunities will be reduced or eliminated.

The biotechnology and pharmaceutical industries are intensely competitive and subject to rapid and significant technological change. Our drug discovery and development efforts may target diseases and conditions that are already subject to existing therapies or that are being developed by our competitors, many of which have substantially greater resources, larger research and development staffs and facilities, more experience in completing preclinical testing and clinical trials, and formulation, marketing and manufacturing capabilities. As a result of these resources, our competitors may develop drug products that render our products obsolete or noncompetitive by developing more effective drugs, developing their products more efficiently or pricing their products more competitively. Our ability to develop competitive products would be limited if our competitors succeeded in obtaining regulatory approvals for drug candidates more rapidly than we were able to or in obtaining patent protection or other intellectual property rights that limited our drug development efforts. Any drug products resulting from our research and development efforts, or from our joint efforts with collaborators or licensees, might not be able to compete successfully with our competitors’ existing and future products, or obtain regulatory approval in the United States or elsewhere. The development of products or processes by our competitors with significant advantages over those that we are developing could harm our future revenues and profitability.

Our reliance on other parties to manufacture our drug products and drug candidates could result in a short supply of the drugs, delays in clinical trials or drug development, increased costs, and withdrawal or denial of a regulatory authority’s approval.

We do not currently operate manufacturing facilities for clinical or commercial production of JAKAFI, PEMAZYRE, ICLUSIG, OPZELURA or for most of our drug candidates. Our current manufacturing strategy for these products and drug candidates is to contract with third parties to manufacture the related raw materials, active pharmaceutical ingredient, or API, and finished drug product. For MONJUVI/MINJUVI, our collaborator MorphoSys currently is responsible for sourcing and manufacturing MONJUVI for the US market, while we are responsible for the sourcing and manufacturing of MINJUVI for ex-US markets. We are also in the process of having our own bioplant manufacturing site in Switzerland registered for the MONJUVI/MINJUVI API manufacturing. For ZYNYZ, together with our collaborator MacroGenics, we are responsible for the sourcing and manufacturing of ZYNYZ. While continuing to increase our own manufacturing capacity through our Swiss bioplant site, we expect to continue to rely on third parties for the manufacture of commercial supplies of raw materials, API and finished drug product for any drugs that we successfully develop. We also contract with third parties to package and label our products. The FDA requires that the raw materials, API and finished product for drug products such as JAKAFI, PEMAZYRE and OPZELURA and our drug candidates be manufactured according to its current Good Manufacturing Practices regulations, and regulatory authorities in other countries have similar requirements. Failure to comply with Good Manufacturing Practices and the applicable regulatory requirements of other countries in the manufacture of our drug candidates and products could result in the FDA or a foreign regulatory authority halting our clinical trials, withdrawing or denying regulatory approval of our drug product, initiating product recalls or taking other enforcement actions, which could have a material adverse effect on our business.

We may not be able to obtain sufficient quantities of our drug candidates or any drug products we may develop if our designated manufacturers do not have the capacity or capability to manufacture them according to our schedule and specifications. Manufacturers of pharmaceutical products often encounter difficulties in production, especially in scaling up initial production to commercial quantities from clinical quantities. These problems include difficulties with production costs and yields, quality control and assurance and shortages of qualified personnel. To the extent problems such as these

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are experienced, we could encounter difficulties in supplying sufficient product to meet demand or incur additional costs to remedy the problems or to recall defective products. Any such recall could also harm our sales efforts and our reputation. Our suppliers, which operate in multiple countries around the world, could also experience disruptions in their operations resulting from various factors, including equipment malfunction or failure, regulatory requirements or actions, labor disputes or shortages, including from the effects of public health pandemics, cyberattacks, natural and other disasters, and wars or other geopolitical events. While our strategy is to maintain at a minimum 24 months stock of ruxolitinib phosphate API, inclusive of finished product, ruxolitinib phosphate might be used by us either to make JAKAFI or OPZELURA or for ruxolitinib drug candidates in clinical trials. In addition, we may not be able to arrange for our drug candidates or any drug products that we may develop to be manufactured by one of these parties on reasonable terms, if at all. We generally have a single source or a limited number of suppliers that are qualified to supply each of the API and finished product of our drug products and our other drug candidates and, in the case of JAKAFI, we only have a single source for its raw materials. If any of these suppliers were to become unable or unwilling to supply us with raw materials, API or finished product that complies with applicable regulatory requirements, we could incur significant delays in our clinical trials or interruption of commercial supply that could have a material adverse effect on our business. If we have promised delivery of a drug candidate or drug product and are unable to meet the delivery requirement due to manufacturing difficulties, our development programs could be delayed, we may have to expend additional sums in order to ensure that manufacturing capacity is available when we need it even if we do not use all of the manufacturing capacity, and our business and operating results could be harmed.

We may not be able to adequately manage and oversee the manufacturers we choose, they may not perform as agreed or they may terminate their agreements with us. Foreign manufacturing approval processes typically include all of the risks associated with the FDA approval process for manufacturing and may also include additional risks.

A number of our collaborations involve the manufacture of antibodies. Either we or our collaborators have primary responsibility for manufacturing activities, and we intend to continue to use third-party contract manufacturing organizations for the manufacture of antibodies in conjunction with our manufacturing facility in Switzerland, which became accredited by the Swiss Health Authority in June 2022. Manufacturing antibodies and products containing antibodies is a more complex process than manufacturing small molecule drugs and subject to additional risks. The process of manufacturing antibodies and products containing antibodies is highly susceptible to product loss due to contamination, equipment failure or improper installation or operation of equipment, vendor or operator error, inconsistency in yields, variability in product characteristics, and difficulties in scaling up the production process. Even minor deviations from normal manufacturing processes could result in reduced production yields, product defects and other supply disruptions. If microbial, viral or other contaminations are discovered in our product candidates or in the manufacturing facilities in which our product candidates are made, such manufacturing facilities may need to be closed for an extended period of time to investigate and remedy the contamination. We may encounter delays and difficulties in scaling up production at our new facility.

If we fail to comply with the extensive legal and regulatory requirements affecting the health care industry, we could face increased costs, penalties and a loss of business.

Our activities, and the activities of our collaborators, partners and third-party providers, are subject to extensive government regulation and oversight both in the United States and in foreign jurisdictions. The FDA and comparable agencies in other jurisdictions directly regulate many of our most critical business activities, including the conduct of preclinical and clinical studies, product manufacturing, advertising and promotion, product distribution, adverse event reporting and product risk management. States increasingly have been placing greater restrictions on the marketing practices of healthcare companies and have instituted pricing disclosure and other requirements for companies selling pharmaceuticals. In addition, pharmaceutical and biotechnology companies have been the target of lawsuits and investigations alleging violations of government regulations, including claims asserting submission of incorrect pricing information, improper promotion of pharmaceutical products, payments intended to influence the referral of federal or state healthcare business, submission of false claims for government reimbursement, antitrust violations, violations of the U.S. Foreign Corrupt Practices Act, the U.K. Bribery Act and similar anti-bribery or anti-corruption laws, or violations related to environmental matters. There is also enhanced scrutiny of company-sponsored patient assistance programs, including insurance premium and co-pay assistance programs and donations to third-party charities that provide such assistance. In December 2018, we received a civil investigative demand from the U.S. Department of Justice, or DOJ, for documents and information relating to our speaker programs and patient assistance programs, including our support of non-profit organizations that provide financial assistance to eligible patients and in November 2019, the qui tam complaint underlying the DOJ inquiry was unsealed, at which time we learned that a former employee whom we had terminated had made certain allegations relating to the programs described above. While we deny that any improper claims were submitted to

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government payers, we agreed in May 2021 to settle the matter with the DOJ Civil Division for $12.6 million, plus certain statutory fees. Violations of governmental regulation by us, our vendors or donation recipients may be punishable by criminal and civil sanctions, including damages, fines and penalties and exclusion from participation in government programs, including Medicare and Medicaid. In addition to damages, fines and penalties for violation of laws and regulations, we could be required to repay amounts we received from government payors, or pay additional rebates and interest if we are found to have miscalculated the pricing information we have submitted to the government. Actions taken by federal or local governments, legislative bodies and enforcement agencies with respect to these legal and regulatory compliance matters could also result in reduced demand for our products, reduced coverage of our products by health care payors, or both. We cannot ensure that our compliance controls, policies, and procedures will in every instance protect us from acts committed by our employees, collaborators, partners or third-party providers that would violate the laws or regulations of the jurisdictions in which we operate. Whether or not we have complied with the law, an investigation into alleged unlawful conduct could increase our expenses, damage our reputation, divert management time and attention and adversely affect our business, and any settlement of these proceedings could result in significant payments by us. Risks relating to compliance with laws and regulations may be heightened as we continue to expand our global operations and enter new therapeutic areas with different patient populations, which due to different product distribution methods, marketing programs or patient assistance programs may result in additional regulatory burdens and obligations.

The illegal distribution and sale by third parties of counterfeit or unfit versions of our or our collaborators’ products or stolen products could harm our business and reputation.

We are aware that counterfeit versions of our products have been distributed or sold by entities not authorized by us using product packaging suggesting that the product was provided by us. If unauthorized third parties illegally distribute and sell counterfeit versions of our or our collaborators’ products, those products may not meet our or our collaborators’ rigorous manufacturing, distribution and handling standards. In addition, inventory that is stolen from warehouses, plants or while in-transit, and that is subsequently improperly stored and sold through unauthorized channels, may not meet our or our collaborators’ distribution and handling standards. A patient who receives a counterfeit or unfit drug may suffer dangerous health consequences. Our reputation and business could suffer harm as a result of counterfeit or unfit drugs sold under our brand name and could result in lost sales for us and decreased revenues. If counterfeit or unfit drugs are sold under our or our collaborators’ brand names, our reputation and business could suffer harm and we could experience decreased royalty revenues.

As most of our drug discovery and development operations are conducted at our headquarters in Wilmington, Delaware, the loss of access to this facility would negatively impact our business.

Our facility in Wilmington, Delaware is our headquarters and is also where we conduct most of our drug discovery, research, development and marketing activities. In addition, natural disasters, the effects of or measures taken to limit the effects of health epidemics such as the COVID-19 pandemic, or actions of activists opposed to aspects of pharmaceutical research may disrupt our experiments or our ability to access or use our facility. The loss of access to or use of our Wilmington, Delaware facility, either on a temporary or permanent basis, would result in an interruption of our business and, consequently, would adversely affect our overall business.

We depend on key employees in a competitive market for skilled personnel, and the loss of the services of any of our key employees or our inability to attract and retain additional personnel would affect our ability to expand our drug discovery and development programs and achieve our objectives.

We are highly dependent on the members of our executive management team and principal members of our commercial, development, medical, operations and scientific staff. We experience intense competition for qualified personnel. Our future success also depends in part on the continued service of our executive management team and key personnel and our ability to recruit, train and retain essential personnel for our drug discovery and development programs, and for our medical affairs and commercialization activities. If we lose the services of any of these people or if we are unable to recruit sufficient qualified personnel, our research and product development goals, and our commercialization efforts could be delayed or curtailed. We do not maintain “key person” insurance on any of our employees.

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If we fail to manage our growth effectively, our ability to develop and commercialize products could suffer.

We expect that if our drug discovery efforts continue to generate drug candidates, our clinical drug candidates continue to progress in development, and we continue to build our development, medical and commercial organizations, we will require significant additional investment in personnel, management and resources. Our ability to achieve our research, development and commercialization objectives depends on our ability to respond effectively to these demands and expand our internal organization, systems, controls and facilities to accommodate additional anticipated growth. If we are unable to manage our growth effectively, our business could be harmed and our ability to execute our business strategy could suffer.

We may acquire businesses or assets, form joint ventures or make investments in other companies that may be unsuccessful, divert our management’s attention and harm our operating results and prospects.

As part of our business strategy, we may pursue acquisitions of what we believe to be complementary businesses or assets or seek to enter into joint ventures. We also may pursue strategic alliances in an effort to leverage our existing infrastructure and industry experience to expand our product offerings or distribution, or make investments in other companies. For example, in June 2016, we completed the acquisition of the European operations of ARIAD. The success of our acquisitions, joint ventures, strategic alliances and investments will depend on our ability to identify, negotiate, complete and, in the case of acquisitions, integrate those transactions and, if necessary, obtain satisfactory debt or equity financing to fund those transactions. These strategic transactions are complex, time consuming and expensive and entail numerous risks, including:

•unanticipated costs, delays or other operational or financial problems related to integrating the products, product candidates, technologies, business operations, systems, controls and personnel of an acquired company or asset with our company;

•failure to successfully develop and commercialize acquired products, product candidates or technologies or to achieve other strategic objectives;

•delays or inability to progress preclinical programs into clinical development or unfavorable data from clinical trials evaluating acquired or licensed products or product candidates;

•disruption of our ongoing business and diversion of our management’s and employees’ attention from ongoing development of our existing business and other opportunities and challenges;

•inability to achieve planned synergies or cost savings;

•the potential loss of key employees of an acquired company;

•entry into markets in which we have no or limited direct prior experience or where competitors in such markets have stronger market positions;

•uncertainties in our ability to maintain key business relationships of business we acquire;

•exposure to unknown or contingent liabilities or the incurrence of unanticipated expenses, including those with respect to intellectual property, pre-clinical or clinical data, safety, compliance or internal controls, and including as a result of the failure of the due diligence processes to identify significant problems, liabilities or challenges of an acquired company or asset; and

•exposure to litigation or other claims in connection with, or inheritance of claims or litigation risk as a result of, the strategic transaction, including claims from terminated employees, customers, former equity holders or other third parties.

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As a result of these or other problems and risks, businesses, products or technologies we acquire or invest in or obtain licenses to may not produce the revenues, earnings, business synergies or other benefits that we anticipated, within the expected timeframe or at all. As a result, we may incur higher costs and realize lower revenues than we had anticipated. We cannot assure you that any acquisitions or investments we may make in the future will be completed or that, if completed, the acquired business, licenses, investments, products, or technologies will generate sufficient revenue to offset the costs or other negative effects on our business. Other pharmaceutical companies, many of which may have substantially greater resources, compete with us for these opportunities., and we may be unable to effectively advance our business strategy through strategic transactions, which could impair our ability to grow or obtain access to products or technology that could be important to the development of our business. Any acquisitions or investments made by us also could result in significant write-offs or the incurrence of debt and contingent liabilities, any of which could harm our operating results. For example, in each of the fiscal quarters in 2022 we recorded unrealized losses related to our investments in our collaboration partners, and we may experience additional losses related to our investments in future period. In addition, if we choose to issue equity securities as consideration for any acquisition, dilution to our stockholders could result.

Risks associated with our operations outside of the United States could adversely affect our business.

Our acquisition of ARIAD’s European operations significantly expanded our operations in Europe, and we plan to continue to expand our operations and conduct certain development activities outside of the United States. For example, as part of our plans to expand our activities outside of the United States, we now conduct some of our operations in Canada, commercial and clinical development activities in Japan and have opened an office in China. International operations and business expansion plans are subject to numerous additional risks, including:

•multiple, conflicting and changing laws and regulations such as tax laws, privacy regulations, tariffs, export and import restrictions, employment, immigration and labor laws, regulatory requirements, and other governmental approvals, permits and licenses, compliance with which can increase in complexity as we enter into additional jurisdictions;

•difficulties in staffing and managing operations in diverse countries and difficulties in connection with assimilating and integrating any operations and personnel we might acquire into our company;

•risks associated with obtaining and maintaining, or the failure to obtain or maintain, regulatory approvals for the sale or use of our products in various countries;

•complexities associated with managing government payor systems, multiple payor-reimbursement regimes or patient self-pay systems;

•financial risks, such as longer payment cycles, difficulty obtaining financing in foreign markets, difficulty enforcing contracts and intellectual property rights, difficulty collecting accounts receivable and exposure to foreign currency exchange rate fluctuations;

•general political and economic conditions in the countries in which we operate, including inflation, political or economic instability, terrorism and political unrest, geopolitical events such as the Russian invasion of Ukraine and the Israel-Hamas conflict, curtailment of trade and other business restrictions, and uncertainties associated with the implementation of the relationship between the United Kingdom and the European Union;

•public health risks, including epidemics and pandemics, and related effects on new patient starts, clinical trial activity, regulatory agency response times, supply chain, travel and employee health and availability; and

•regulatory and compliance risks that relate to maintaining accurate information and control over activities that may fall within the purview of the U.S. Foreign Corrupt Practices Act, its books and records provisions or its anti-bribery provisions, or similar anti-bribery or anti-corruption laws and regulations in other countries, such as the U.K. Anti-Bribery Act and the U.K. Criminal Finances Act, which may have similarly broad extraterritorial reach.

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In addition, our revenues are subject to foreign currency exchange rate fluctuations due to the global nature of our operations and unfavorable changes in foreign currency exchange rates may adversely affect our revenues and net income. To the extent that our non-U.S. source revenues represent a more significant portion of our total revenues, these fluctuations could materially affect our operating results. Any of the risks described above, if encountered, could significantly increase our costs of operating internationally, prevent us from operating in certain jurisdictions, or otherwise significantly harm our future international expansion and operations, which could have a material adverse effect on our business, financial condition and results of operations.

If product liability lawsuits are brought against us, we could face substantial liabilities and may be required to limit commercialization of our products and our results of operations could be harmed.

In addition to the risks described above under “—Risks Relating to Commercialization of Our Products—If the use of our products harms patients, or is perceived to harm patients even when such harm is unrelated to our products, our regulatory approvals could be revoked or otherwise negatively impacted or we could be subject to costly and damaging product liability claims,” the conduct of clinical trials of medical products that are intended for human use entails an inherent risk of product liability. If any product that we or any of our collaborators or licensees develops causes or is alleged to cause injury during clinical trials or commercialization, we may be held liable. If we cannot successfully defend ourselves against product liability claims, we may incur substantial liabilities, including substantial damages to be paid to the plaintiffs and legal costs, or we may be required to limit further development and commercialization of our products. Additionally, any product liability lawsuit could cause injury to our reputation, participants and investigators to withdraw from clinical trials, and potential collaborators or licensees to seek other partners, any of which could impact our results of operations.

Our product liability insurance policy may not fully cover our potential liabilities. In addition, we may determine that we should increase our coverage, and this insurance may be prohibitively expensive to us or our collaborators or licensees and may not fully cover our potential liabilities. Since December 30, 2017, we elected to self-insure a portion of our exposure to product liability risks through our wholly-owned captive insurance subsidiary, in tandem with third-party insurance policies. Our inability to obtain sufficient product liability insurance at an acceptable cost to protect against potential product liability claims could prevent or inhibit the development or commercialization of our drug candidates and products, and if our liabilities from any such claims exceed our third-party insurance limits and self-insurance reserves, our results of operations, cash flows and financial condition could be adversely impacted.

Because our activities involve the use of hazardous materials, we may be subject to claims relating to improper handling, storage or disposal of these materials that could be time consuming and costly.

We are subject to various environmental, health and safety laws and regulations governing, among other things, the use, handling, storage and disposal of regulated substances and the health and safety of our employees. Our research and development processes involve the controlled use of hazardous and radioactive materials and biological waste resulting in the production of hazardous waste products. We cannot completely eliminate the risk of accidental contamination or discharge and any resultant injury from these materials. If any injury or contamination results from our use or the use by our collaborators or licensees of these materials, we may be sued and our liability may exceed our insurance coverage and our total assets. Further, we may be required to indemnify our collaborators or licensees against all damages and other liabilities arising out of our development activities or products produced in connection with these collaborations or licenses. Compliance with the applicable environmental and workplace laws and regulations is expensive. Future changes to environmental, health, workplace and safety laws could cause us to incur additional expense or may restrict our operations or impair our research, development and production efforts.

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Business disruptions could seriously harm our operations, future revenues and financial condition and increase our costs and expenses.

Our operations, and those of our CROs, suppliers, and other contractors and consultants, could be subject to geopolitical events, natural disasters, power and other infrastructure failures or shortages, public health pandemics or epidemics, and other natural or man-made disasters or business interruptions. In addition, geopolitical and other events, such as the Russian invasion of Ukraine or the Israel-Hamas conflict, could lead to sanctions, embargoes, supply shortages, regional instability, geopolitical shifts, cyberattacks, other retaliatory actions, and adverse effects on macroeconomic conditions, currency exchange rates, and financial markets, which could adversely impact our operations and financial results, as well as those of third parties with whom we conduct business. The occurrence of any of these business disruptions could seriously harm our operations, future revenues and financial condition and increase our costs and expenses. We have engaged CROs to conduct clinical trials outside the United States, including a limited number of trials in Ukraine and Russia. We may not be able to complete any additional dosing or follow-up visits of patients in Ukraine and Russia who are participating in these clinical trials. We may also be unable to ship additional clinical drug and other supplies necessary to complete the clinical trials in Ukraine and Russia. Although the impact of Russia’s invasion is highly unpredictable, certain clinical trial activities have already been changed or suspended, and may continue to be changed, suspended or terminated, which could potentially increase our costs, slow down our product candidate development and approval process and jeopardize our ability to commence product sales and generate revenues.

RISKS RELATING TO OUR FINANCIAL RESULTS

We may incur losses in the future, and we expect to continue to incur significant expenses to discover and develop drugs, which may make it difficult for us to achieve sustained profitability on a quarterly or annual basis in the future.

Due to historical net losses, we had an accumulated deficit of approximately $41 million as of September 30, 2023. We intend to continue to spend significant amounts on our efforts to discover and develop drugs. As a result, we may incur losses in future periods as well. Our revenues, expenses and net income (loss) may fluctuate, even significantly, due to the risks described in these “Risk Factors” and factors discussed in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” as well as the timing of charges and expenses that we may take, including those relating to transactions such as acquisitions and the entry into collaborative agreements.

We anticipate that our drug discovery and development efforts and related expenditures will increase as we focus on the studies, including preclinical tests and clinical trials prior to seeking regulatory approval, that are required before we can sell a drug product.

The development of drug products will require us to spend significant funds on research, development, testing, obtaining regulatory approvals, manufacturing and marketing. To date, we do not have any drug products that have generated significant revenues other than from sales of JAKAFI and we cannot assure you that we will generate substantial revenues from the drug candidates that we license or develop, including ICLUSIG, PEMAZYRE, MONJUVI/MINJUVI, OPZELURA and ZYNYZ, for several years, if ever.

We cannot be certain whether or when we will achieve sustained or increased profitability on a quarterly or annual basis because of the factors discussed under “Risks Relating to Commercialization of our Products” and in the above paragraphs and the significant uncertainties relating to our ability to generate commercially successful drug products. Even if we are successful in obtaining regulatory approvals for manufacturing and commercializing drug products in addition to JAKAFI, ICLUSIG, PEMAZYRE, MONJUVI/MINJUVI, OPZELURA and ZYNYZ, we may incur losses if our drug products do not generate significant revenues.

We may need additional capital in the future. If we are unable to generate sufficient funds from operations, the capital markets may not permit us to raise additional capital at the time that we require it, which could result in limitations on our research and development or commercialization efforts or the loss of certain of our rights in our technologies or drug candidates.

Our future funding requirements will depend on many factors and we anticipate that we may need to raise additional capital to fund our business plan and research and development efforts going-forward.

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Additional factors that may affect our future funding requirements include:

•the acquisition of businesses, technologies, or drug candidates, or the licensing of technologies or drug candidates, if any;

•the amount of revenues generated from our business activities;

•any changes in the breadth of our research and development programs;

•the results of research and development, preclinical testing and clinical trials conducted by us or our current or future collaborators or licensees, if any;

•our exercise of any co-development options with collaborators that may require us to fund future development;

•costs for future facility requirements;

•our ability to maintain and establish new corporate relationships and research collaborations;

•competing technological and market developments;

•the time and costs involved in filing, prosecuting, defending and enforcing patent and intellectual property claims;

•the receipt or payment of contingent licensing or milestone fees or royalties on product sales from our current or future collaborative and license arrangements, if established; and

•the timing of regulatory approvals, if any.

If we require additional capital at a time when investment in companies such as ours, or in the marketplace generally, is limited due to the then prevailing market or other conditions, we may have to scale back our operations, eliminate one or more of our research or development programs, or attempt to obtain funds by entering into an agreement with a collaborator or licensee that would result in terms that are not favorable to us or relinquishing our rights in certain of our proprietary technologies or drug candidates. If we are unable to raise funds at the time that we desire or at any time thereafter on acceptable terms, we may not be able to continue to develop our drug candidates. The sale of equity or equity-linked securities in the future may be dilutive to our stockholders and may provide for rights, preferences or privileges senior to those of our holders of common stock, and debt financing arrangements could result in increased financing costs due to higher interest rates and may require us to pledge certain assets or enter into covenants that could restrict our operations or our ability to pay dividends or other distributions on our common stock or incur further indebtedness.

Our marketable securities and long term investments are subject to risks that could adversely affect our overall financial position.

We invest our cash in accordance with an established internal policy and customarily in short-term instruments, money market funds, U.S. government backed-funds and Treasury securities, which are investment grade and historically have been highly liquid and carried relatively low risk.

Should a portion of our cash or marketable securities lose value or have their liquidity impaired, it could adversely affect our overall financial position by imperiling our ability to fund our operations and forcing us to seek additional financing sooner than we would otherwise. Such financing, if available, may not be available on commercially attractive terms.

As discussed under “Other Risks Relating to Our Business— We may acquire businesses or assets, form joint ventures or make investments in other companies that may be unsuccessful, divert our management’s attention and harm our operating results and prospects,” any investments that we may make in companies with which we have strategic alliances, such as Agenus, Merus and MorphoSys, could result in our recognition of losses on those investments. In addition, to the extent we may seek to sell or otherwise monetize those investments, we may not be able to do so at our desired price or valuation levels, or at all, due to the limited liquidity of some or all of those investments.

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Any loss in value of our long term investments could adversely affect our financial position on the consolidated balance sheets and consolidated statements of operations.

Changes in tax laws or regulations could adversely affect our results of operations, business and financial condition.

New tax laws or regulations could be enacted at any time, and existing tax laws or regulations could be interpreted, modified or applied in a manner that is adverse to us or our customers, which could adversely affect our results of operations, business and financial condition. For example, beginning in 2022, the Tax Cuts and Jobs Act of 2017 eliminated the option to deduct research and development expenditures for tax purposes in the year incurred and instead requires taxpayers to capitalize and subsequently amortize such expenditures over five years for research activities conducted in the United States and over 15 years for research activities conducted outside the United States. If the requirement to amortize research and development expenditures is not repealed or otherwise modified, it will continue to have an adverse effect on our tax liability, and the amount of that effect could be material. As another example, in August 2022, the Inflation Reduction Act of 2022 was enacted, which, among other things, includes a new 15% alternative minimum tax on the adjusted financial statement income of certain large corporations for tax years beginning after December 31, 2022. Furthermore, the enactment of some or all of the recommendations set forth or that may be forthcoming in the Organization for Economic Co-Operation and Development (OECD) project on “Base Erosion and Profit Shifting” (commonly known as BEPS 2.0) by tax authorities and economic blocs in the countries in which we operate, could unfavorably impact our effective tax rate. Broadly speaking, BEPS 2.0 would make fundamental changes to the international tax system, including with respect to the entitlement to tax global corporate profits and minimum global tax rates. For example, in December 2022, the EU member states agreed to implement in their domestic tax laws a 15% global minimum tax on the profits of large multinational enterprises with a target effective date for fiscal years beginning on or after December 31, 2023. Although we continue to evaluate and assess the potential impact of the recent U.S. legislation and BEPS 2.0 on us, the minimum tax rules could result in tax increases in both the United States and many foreign jurisdictions where we operate or have a presence. Any new tax legislation or initiatives could not only significantly increase our tax provision, cash tax liabilities, and effective tax rate, but could also significantly increase tax uncertainty due to differing interpretations and increased audit scrutiny.

We derive a substantial portion of our revenues from royalties, milestone payments and other payments under our collaboration agreements. If we are unable to achieve milestones, develop product candidates to license or renew or enter into new collaborations, our revenues may decrease, and future milestone and royalty payments may not contribute significantly to revenues for several years, and may never result in revenues.

We derived a substantial portion of our revenues for the year ended December 31, 2022 and the three and nine months ended September 30, 2023 from JAKAVI and OLUMIANT product royalties and from milestone payments under our collaboration agreements. Future revenues from research and development collaborations depend upon continuation of the collaborations, the achievement of milestones and royalties we earn from any future products developed from our research. If we are unable to successfully achieve milestones or our collaborators fail to develop successful products, we will not earn the future revenues contemplated under our collaborative agreements. For example, delays in or other limitations with respect to the approval of baricitinib in the United States for the treatment of moderate-to-severe rheumatoid arthritis, or the failure to obtain such approval as a first line therapy, as discussed under “—We depend on our collaborators and licensees for the future development and commercialization of some of our drug candidates. Conflicts may arise between our collaborators and licensees and us, or our collaborators and licensees may choose to terminate their agreements with us, which may adversely affect our business.” could affect potential future royalty and milestone and contract revenue.

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RISKS RELATING TO INTELLECTUAL PROPERTY AND LEGAL MATTERS

If we are subject to arbitration, litigation and infringement claims, they could be costly and disrupt our drug discovery and development efforts.

The technology that we use to make and develop our drug products, the technology that we incorporate in our products, and the products we are developing may be subject to claims that they infringe the patents or proprietary rights of others. The success of our drug discovery and development efforts will also depend on our ability to develop new compounds, drugs and technologies without infringing or misappropriating the proprietary rights of others. We are aware of patents and patent applications filed in certain countries claiming intellectual property relating to some of our drug discovery targets and drug candidates. While the validity of issued patents, patentability of pending patent applications and applicability of any of them to our programs are uncertain, if any of these patents are asserted against us or if we choose to license any of these patents, our ability to commercialize our products could be harmed or the potential return to us from any product that may be successfully commercialized could be diminished.

From time to time we have received, and we may in the future receive, notices from third parties offering licenses to technology or alleging patent, trademark, or copyright infringement, claims regarding trade secrets or other contract claims. Receipt of these notices could result in significant costs as a result of the diversion of the attention of management from our drug discovery and development efforts. Parties sending these notices may have brought and in the future may bring litigation against us or seek arbitration relating to contract claims.

We may be involved in future lawsuits or other legal proceedings alleging patent infringement or other intellectual property rights or contract violations. In addition, litigation or other legal proceedings may be necessary to:

•assert claims of infringement;

•enforce our patents or trademarks;

•protect our trade secrets or know-how; or

•determine the enforceability, scope and validity of the proprietary rights of others.

We may be unsuccessful in defending or pursuing these lawsuits, claims or other legal proceedings. Regardless of the outcome, litigation or other legal proceedings can be very costly and can divert management’s efforts. An adverse determination may subject us to significant liabilities or require us or our collaborators or licensees to seek licenses to other parties’ patents or proprietary rights. We or our collaborators or licensees may also be restricted or prevented from manufacturing or selling a drug or other product that we or they develop. Further, we or our future collaborators or licensees may not be able to obtain any necessary licenses on acceptable terms, if at all. If we are unable to develop non-infringing technology or license technology on a timely basis or on reasonable terms, our business could be harmed.

We may be unable to adequately protect or enforce our proprietary information, which may result in its unauthorized use, a loss of revenue under a collaboration agreement or loss of sales to generic versions of our products or otherwise reduce our ability to compete in developing and commercializing products.

Our business and competitive position depends in significant part upon our ability to protect our proprietary technology, including any drug products that we create. Despite our efforts to protect this information, unauthorized parties may attempt to obtain and use information that we regard as proprietary. For example, one of our collaborators may disclose proprietary information pertaining to our drug discovery efforts. In addition, while we have filed numerous patent applications with respect to ruxolitinib and our drug candidates in the United States and in foreign countries, our patent applications may fail to result in issued patents. In addition, because patent applications can take several years to issue as patents, there may be pending patent applications of others that may later issue as patents that cover some aspect of ruxolitinib and our drug candidates. Our existing patents and any future patents we may obtain may not be broad enough to protect our products or all of the potential uses of our products, or otherwise prevent others from developing competing products or technologies. In addition, our patents may be challenged and invalidated or may fail to provide us with any competitive advantages if, for example, others were first to invent or first to file a patent application for the technologies and products covered by our patents. As noted above under “—Risks Relating to Commercialization of Our Products—Competition for our products could potentially harm our business and result in a decrease in our revenue,” a potential generic drug company competitor has challenged certain patents relating to JAKAFI.

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Additionally, when we do not control the prosecution, maintenance and enforcement of certain important intellectual property, such as a drug candidate in-licensed to us or subject to a collaboration with a third-party, the protection of the intellectual property rights may not be in our hands. If we do not control the intellectual property rights in-licensed to us with respect to a drug candidate and the entity that controls the intellectual property rights does not adequately protect those rights, our rights may be impaired, which may impact our ability to develop, market and commercialize the in-licensed drug candidate.

Our means of protecting our proprietary rights may not be adequate, and our competitors may:

•independently develop substantially equivalent proprietary information, products and techniques;

•otherwise gain access to our proprietary information; or

•design around patents issued to us or our other intellectual property.

We pursue a policy of having our employees, consultants and advisors execute proprietary information and invention agreements when they begin working for us. However, these agreements may not provide meaningful protection for our trade secrets or other proprietary information in the event of unauthorized use or disclosure. If we fail to maintain trade secret and patent protection, our potential future revenues may be decreased.

If the effective term of our patents is decreased due to changes in the United States patent laws or if we need to refile some of our patent applications, the value of our patent portfolio and the revenues we derive from it may be decreased.

The value of our patents depends, in part, on their duration. A shorter period of patent protection could lessen the value of our rights under any patents that we obtain and may decrease the revenues we derive from our patents. The United States patent laws provide a term of patent protection of 20 years from the earliest effective filing date of the patent application. Because the time from filing to issuance of biotechnology applications may be more than three years depending on the subject matter, a 20-year patent term from the filing date may result in substantially shorter patent protection.

Additionally, United States patent laws were amended in 2011 with the enactment of the America Invents Act and third parties are now able to challenge the validity of issued U.S. patents through various review proceedings; thus rendering the validity of U.S. patents more uncertain. We may be obligated to participate in review proceedings to determine the validity of our U.S. patents. We cannot predict the ultimate outcome of these proceedings, the conduct of which could result in substantial costs and diversion of our efforts and resources. If we are unsuccessful in these proceedings some or all of our claims in the patents may be narrowed or invalidated and the patent protection for our products and drug candidates in the United States could be substantially shortened. Further, if all of the patents covering one of our products are invalidated, the FDA could approve requests to manufacture a generic version of that product prior to the expiration date of those patents.

Other changes in the United States patent laws or changes in the interpretation of patent laws could diminish the value of our patents or narrow the scope of our patent protection. For example, the Supreme Court of the United States resolved a split among the circuit courts of appeals regarding antitrust challenges to settlements of patent infringement lawsuits under the Hatch-Waxman Act between brand-name drug companies and generic drug companies. The Court rejected the “scope of the patent” test and ruled that settlements involving “reverse payments” from brand-name drug companies to generic drug companies should be analyzed under the rule of reason. This ruling may create uncertainty and make it more difficult to settle patent litigation if a company seeking to manufacture a generic version of one of our products challenges the patents covering that product prior to the expiration date of those patents.

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International patent protection is particularly uncertain and costly, and our involvement in opposition proceedings in foreign countries may result in the expenditure of substantial sums and management resources.

Biotechnology and pharmaceutical patent law outside the United States is even more uncertain and costly than in the United States and is currently undergoing review and revision in many countries. Further, the laws of some foreign countries may not protect our intellectual property rights to the same extent as United States laws. For example, certain countries do not grant patent claims that are directed to the treatment of humans. We have participated, and may in the future participate, in opposition proceedings to determine the validity of our foreign patents or our competitors’ foreign patents, which could result in substantial costs and diversion of our efforts. Successful challenges to our patent or other intellectual property rights through these proceedings could result in a loss of rights in the relevant jurisdiction and allow third parties to use our proprietary technologies without a license from us or our collaborators, which may also result in loss of future royalty payments. In addition, successful challenges may jeopardize or delay our ability to enter into new collaborations or commercialize potential products, which could harm our business and results of operations.

RISKS RELATING TO INFORMATION TECHNOLOGY AND DATA PRIVACY

Significant disruptions of information technology systems, breaches of data security, or unauthorized disclosures of personal information (including sensitive personal information) could adversely affect our business, and could subject us to liability or reputational damage.

Our business is increasingly dependent on critical, complex, and interdependent information technology (IT) systems, including Internet-based systems, some of which are managed or hosted by third parties, to support business processes as well as internal and external communications. The size and complexity of our IT systems make us potentially vulnerable to IT system breakdowns, malicious intrusion, and computer viruses, which may result in the impairment of our ability to operate our business effectively. In addition, having a portion of our employees work remotely can strain our information technology infrastructure, which may affect our ability to operate effectively, may make us more susceptible to communications disruptions, and expose us to greater cybersecurity risks.

We are continuously evaluating and, where appropriate, enhancing our IT systems to address our planned growth, including to support our planned manufacturing operations. In particular, we are currently in the process of implementing a new enterprise resource planning system. There are inherent costs and risks associated with implementing the enhancements to our IT systems, including potential delays in access to, or errors in, critical business and financial information, substantial capital expenditures, additional administrative time and operating expenses, retention of sufficiently skilled personnel to implement and operate the enhanced systems, demands on management time, and costs of delays or difficulties in transitioning to the enhanced systems, any of which could harm our business and results of operations. In addition, the implementation of enhancements to our IT systems may not result in productivity improvements at a level that outweighs the costs of implementation, or at all.

In addition, our systems and the systems of our third-party providers and collaborators are potentially vulnerable to data security breaches which may expose sensitive data to unauthorized persons or to the public. Such data security breaches could lead to the loss of confidential information, trade secrets or other intellectual property, could lead to the public exposure of personal information of our employees, clinical trial patients, customers, business partners, and others, could lead to potential identity theft, or could lead to reputational harm. Data security breaches could also result in loss of clinical trial data or damage to the integrity of that data. In addition, the increased use of social media by our employees and contractors could result in inadvertent disclosure of sensitive data or personal information, including but not limited to, confidential information, trade secrets and other intellectual property.

Any such disruption or security breach, as well as any action by us or our employees or contractors that might be inconsistent with the rapidly evolving data privacy and security laws and regulations applicable within the United States and elsewhere where we conduct business, could result in enforcement actions by U.S. states, the U.S. Federal government or foreign governments, liability or sanctions under data privacy laws, including healthcare laws such as HIPAA, that protect certain types of sensitive information, regulatory penalties, other legal proceedings such as but not limited to private litigation, the incurrence of significant remediation costs, disruptions to our development programs, business operations and collaborations, diversion of management efforts and damage to our reputation, which could harm our business and operations. Because of the rapidly moving nature of technology and the increasing sophistication of cybersecurity threats, our measures to prevent, respond to and minimize such risks may be unsuccessful.

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In addition, many countries and jurisdictions in which we work globally have enacted and/or are proposing privacy and data protection laws and regulations which govern the collection and use of personal information and these may impose large fines and penalties for noncompliance (for example in the European Union, under the General Data Protection Regulation, potential fines for noncompliance are up to €20 million or 4% of the annual global revenue, whichever is greater). Further, some jurisdictions provide for private rights of action if data breaches result in the loss or theft of personal data. These laws and regulations may also require, as applicable, that we ensure individuals to whom personal information relates are informed about how their personal information is collected and processed; keep personal information confidential and secure; transfer personal information in a compliant manner; respond to requests from individuals about their personal information; and inform authorities and individuals as may be applicable about any data breaches. These obligations may increase our costs of doing business and the varying requirements among all countries and jurisdictions in which we work can complicate our compliance efforts.

Increasing use of social media and new technology could give rise to liability, breaches of data security, or reputational damage.

We and our employees are increasingly utilizing social media tools as a means of communication both internally and externally. We are also leveraging new technology to enhance how we work daily. Despite our efforts to monitor evolving social media communication, our internal guidelines regarding the appropriate use of new technology and applicable and emerging rules, there is risk that the use of these tools by us or our employees may cause us to be found in violation of applicable requirements. In addition, our employees may knowingly or inadvertently make use of these tools in ways that may not comply with our policies or other legal or contractual requirements, which may give rise to liability, lead to the loss of trade secrets or other intellectual property, or result in public exposure of personal information of our employees, patients, customers, and others. Furthermore, negative posts or comments about us or our products in social media could seriously damage our reputation, brand image, and goodwill.

Item 5. Other Information

(c) During the three months ended September 30, 2023, the following officers (as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934) of our Company adopted a prearranged trading plan relating to our common stock and intended to satisfy the affirmative defense of Rule 10b5–1(c) under the Securities Exchange Act of 1934:

Vijay Iyengar, our Executive Vice President, Global Medical Affairs, Product, and Partnership Strategy, adopted a trading plan on September 15, 2023 providing for the sale of up to an aggregate of 50,672 shares of our common stock until July 31, 2024.

Thomas Tray, our Vice President, Chief Accounting Officer, adopted a trading plan on September 12, 2023 providing for the sale of up to an aggregate of 1,277 shares of our common stock until September 12, 2024.

During the three months ended September 30, 2023, no director or officer (as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934) of our Company adopted or terminated any contract, instruction or written plan for the purchase or sale of our securities, whether or not intended to satisfy the affirmative defense conditions of Rule 10b5-1(c), other than as set forth above.

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Item 6. Exhibits

Exhibit Number	Description of Document
31.1*	Rule 13a-14(a) Certification of Chief Executive Officer.
31.2*	Rule 13a-14(a) Certification of Chief Financial Officer.
32.1**	Statement of the Chief Executive Officer under Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350).
32.2**	Statement of the Chief Financial Officer under Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350).
101.INS*	XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH*	XBRL Taxonomy Extension Schema Document.
101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB*	XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*	XBRL Taxonomy Presentation Linkbase Document.
101.DEF*	XBRL Taxonomy Definition Linkbase Document.
104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

_____________________________

*    Filed herewith.

**    In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release No. 34-47986, the certifications furnished in Exhibits 32.1 and 32.2 hereto are deemed to accompany this Form 10-Q and will not be deemed “filed” for purposes of Section 18 of the Exchange Act. Such certifications will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.

83

SIGNATURES

Pursuant to the requirements 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.

	INCYTE CORPORATION
Dated: October 31, 2023	By:	/s/ HERVÉ HOPPENOT
		Hervé Hoppenot
		Chairman, President, and Chief Executive Officer
		(Principal Executive Officer)
Dated: October 31, 2023	By:	/s/ CHRISTIANA STAMOULIS
		Christiana Stamoulis
		Chief Financial Officer
		(Principal Financial Officer)

84

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Hervé Hoppenot, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Incyte Corporation;

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(s) 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(s) 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/ HERVÉ HOPPENOT

Hervé Hoppenot

Chief Executive Officer

October 31, 2023

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Christiana Stamoulis, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Incyte Corporation;

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(s) 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(s) 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/ CHRISTIANA STAMOULIS

Christiana Stamoulis

Chief Financial Officer

October 31, 2023

EX-32.1

Exhibit 32.1

STATEMENT PURSUANT TO

18 U.S.C. SECTION 1350

With reference to the Quarterly Report of Incyte Corporation (the “Company”) on Form 10-Q for the quarter ended September 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Hervé Hoppenot, Chief Executive Officer of the Company, certify, for the purposes of 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

(1)the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ HERVÉ HOPPENOT

Hervé Hoppenot

Chief Executive Officer

October 31, 2023

EX-32.2

Exhibit 32.2

STATEMENT PURSUANT TO

18 U.S.C. SECTION 1350

With reference to the Quarterly Report of Incyte Corporation (the “Company”) on Form 10-Q for the quarter ended September 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Christiana Stamoulis, Chief Financial Officer of the Company, certify, for the purposes of 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

(1)the Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ CHRISTIANA STAMOULIS

Christiana Stamoulis

Chief Financial Officer

October 31, 2023

XML

Cover Page - shares	9 Months Ended
	Sep. 30, 2023	Oct. 24, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-12400
Entity Registrant Name	INCYTE CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3136539
Entity Address, Address Line One	1801 Augustine Cut-Off
Entity Address, City or Town	Wilmington
Entity Address, State or Province	DE
Entity Address, Postal Zip Code	19803
City Area Code	302
Local Phone Number	498-6700
Title of 12(b) Security	Common Stock, $.001 par value per share
Trading Symbol	INCY
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		224,109,238
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000879169
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	[1]
Current assets:
Cash and cash equivalents	$ 3,227,230	$ 2,951,422
Marketable securities—available-for-sale (amortized cost $290,583 and $292,580 as of September 30, 2023 and December 31, 2022, respectively; allowance for credit losses $0 as of September 30, 2023 and December 31, 2022)	289,223	287,543
Accounts receivable	657,263	644,879
Inventory	57,200	41,995
Prepaid expenses and other current assets	171,749	167,011
Total current assets	4,402,665	4,092,850
Restricted cash	1,717	1,698
Long term investments	153,663	133,676
Inventory	142,086	78,964
Property and equipment, net	733,046	739,310
Finance lease right-of-use assets, net	24,880	26,298
Other intangible assets, net	129,249	129,219
Goodwill	155,593	155,593
Deferred income tax asset	564,385	457,941
Other assets, net	80,955	25,435
Total assets	6,388,239	5,840,984
Current liabilities:
Accounts payable	139,411	277,546
Accrued compensation	124,783	138,761
Accrued and other current liabilities	820,607	701,053
Finance lease liabilities	3,064	3,179
Acquisition-related contingent consideration	36,815	36,538
Total current liabilities	1,124,680	1,157,077
Acquisition-related contingent consideration	170,185	184,462
Finance lease liabilities	28,859	30,083
Other liabilities	133,068	99,243
Total liabilities	1,456,792	1,470,865
Commitments and contingencies (Note 14)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; none issued or outstanding	0	0
Common stock, $0.001 par value; 400,000,000 shares authorized; 224,101,839 and 222,746,719 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	224	223
Additional paid-in capital	4,949,023	4,792,041
Accumulated other comprehensive income	22,894	15,069
Accumulated deficit	(40,694)	(437,214)
Total stockholders’ equity	4,931,447	4,370,119
Total liabilities and stockholders’ equity	$ 6,388,239	$ 5,840,984

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Marketable securities-amortized cost	$ 290,583	$ 292,580
Marketable securities-allowance for credit losses	$ 0	$ 0
Preferred stock, par value (in USD per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	224,101,839	222,746,719
Common stock, shares outstanding (in shares)	224,101,839	222,746,719

XML

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues:
Total revenues	$ 919,025	$ 823,303	$ 2,682,308	$ 2,467,935
Costs and expenses:
Cost of product revenues (including definite-lived intangible amortization)	60,091	54,584	185,239	147,834
Research and development	375,709	384,007	1,183,100	1,084,576
Selling, general and administrative	267,893	266,460	867,428	729,321
(Gain) loss on change in fair value of acquisition-related contingent consideration	(426)	(21,893)	14,144	(12,198)
Loss and (profit) sharing under collaboration agreements	1,053	1,769	(858)	9,055
Total costs and expenses	704,320	684,927	2,249,053	1,958,588
Income from operations	214,705	138,376	433,255	509,347
Interest income and other, net	46,371	11,513	121,912	13,295
Interest expense	(623)	(641)	(1,747)	(1,999)
Unrealized (loss) gain on long term investments	(26,654)	(660)	9,839	(72,142)
Income before provision for income taxes	233,799	148,588	563,259	448,501
Provision for income taxes	62,530	35,813	166,739	136,302
Net income	$ 171,269	$ 112,775	$ 396,520	$ 312,199
Net income per share:
Basic (in USD per share)	$ 0.76	$ 0.51	$ 1.77	$ 1.41
Diluted (in USD per share)	$ 0.76	$ 0.50	$ 1.76	$ 1.40
Shares used in computing net income per share:
Basic (in shares)	224,078	222,415	223,428	221,801
Diluted (in shares)	226,167	224,175	225,756	223,626
Product revenues, net
Revenues:
Total revenues	$ 783,197	$ 713,010	$ 2,303,439	$ 1,982,682
Product royalty revenues
Revenues:
Total revenues	130,828	110,293	373,869	350,253
Milestone and contract revenues
Revenues:
Total revenues	$ 5,000	$ 0	$ 5,000	$ 135,000

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 171,269	$ 112,775	$ 396,520	$ 312,199
Other comprehensive (loss) income:
Foreign currency translation (loss) gain	(4,855)	(2,513)	3,594	(5,132)
Unrealized gain (loss) on marketable securities, net of tax	768	(1,135)	3,677	(5,322)
Defined benefit pension gain, net of tax	175	282	554	846
Other comprehensive (loss) income	(3,912)	(3,366)	7,825	(9,608)
Comprehensive income	$ 167,357	$ 109,409	$ 404,345	$ 302,591

XML

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning Balance at Dec. 31, 2021	$ 3,770,004		$ 221	$ 4,567,111	$ (19,454)	$ (777,874)
Increase (Decrease) in Stockholders' Equity
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	14,237			14,237
Issuance of shares of Common Stock for services rendered	112			112
Stock compensation	44,320			44,320
Other comprehensive income (loss)	(3,593)				(3,593)
Net income	37,992					37,992
Ending Balance at Mar. 31, 2022	3,863,072		221	4,625,780	(23,047)	(739,882)
Beginning Balance at Dec. 31, 2021	3,770,004		221	4,567,111	(19,454)	(777,874)
Increase (Decrease) in Stockholders' Equity
Other comprehensive income (loss)	(9,608)
Net income	312,199
Ending Balance at Sep. 30, 2022	4,226,651		222	4,721,166	(29,062)	(465,675)
Beginning Balance at Mar. 31, 2022	3,863,072		221	4,625,780	(23,047)	(739,882)
Increase (Decrease) in Stockholders' Equity
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units and performance shares, net of shares withheld for taxes and shares of Common Stock under the ESPP	16,601		1	16,600
Issuance of shares of Common Stock for services rendered	109			109
Stock compensation	46,496			46,496
Other comprehensive income (loss)	(2,649)				(2,649)
Net income	161,432					161,432
Ending Balance at Jun. 30, 2022	4,085,061		222	4,688,985	(25,696)	(578,450)
Increase (Decrease) in Stockholders' Equity
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	(13,572)			(13,572)
Issuance of shares of Common Stock for services rendered	94			94
Stock compensation	45,659			45,659
Other comprehensive income (loss)	(3,366)				(3,366)
Net income	112,775					112,775
Ending Balance at Sep. 30, 2022	4,226,651		222	4,721,166	(29,062)	(465,675)
Beginning Balance at Dec. 31, 2022	4,370,119	[1]	223	4,792,041	15,069	(437,214)
Increase (Decrease) in Stockholders' Equity
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	11,235			11,235
Issuance of shares of Common Stock for services rendered	80			80
Stock compensation	53,558			53,558
Other comprehensive income (loss)	5,873				5,873
Net income	21,703					21,703
Ending Balance at Mar. 31, 2023	4,462,568		223	4,856,914	20,942	(415,511)
Beginning Balance at Dec. 31, 2022	4,370,119	[1]	223	4,792,041	15,069	(437,214)
Increase (Decrease) in Stockholders' Equity
Other comprehensive income (loss)	7,825
Net income	396,520
Ending Balance at Sep. 30, 2023	4,931,447		224	4,949,023	22,894	(40,694)
Beginning Balance at Mar. 31, 2023	4,462,568		223	4,856,914	20,942	(415,511)
Increase (Decrease) in Stockholders' Equity
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units and performance shares, net of shares withheld for taxes and shares of Common Stock under the ESPP	13,704			13,704
Issuance of shares of Common Stock for services rendered	80			80
Stock compensation	54,928			54,928
Other comprehensive income (loss)	5,864				5,864
Net income	203,548					203,548
Ending Balance at Jun. 30, 2023	4,740,692		223	4,925,626	26,806	(211,963)
Increase (Decrease) in Stockholders' Equity
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units, net of shares withheld for taxes	(24,681)		1	(24,682)
Issuance of shares of Common Stock for services rendered	80			80
Stock compensation	47,999			47,999
Other comprehensive income (loss)	(3,912)				(3,912)
Net income	171,269					171,269
Ending Balance at Sep. 30, 2023	$ 4,931,447		$ 224	$ 4,949,023	$ 22,894	$ (40,694)

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

XML

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - shares	3 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]
Issuance of shares of Common Stock upon exercise of stock options and settlement of employee restricted stock units and performance shares (in shares)	762,231	59,093	313,995	578,106	274,693	323,582
Issuance of shares of Common Stock under the ESPP (in shares)		216,168			189,684
Issuance of shares of Common Stock for services rendered (in shares)	1,278	1,282	1,073	1,337	1,469	1,535

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 396,520	$ 312,199
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	60,898	49,637
Stock-based compensation	155,899	135,741
Deferred income taxes	(92,919)	40,432
Other, net	(543)	15,097
Unrealized (gain) loss on long term investments	(9,839)	72,142
Loss (gain) on change in fair value of acquisition-related contingent consideration	14,144	(12,198)
Changes in operating assets and liabilities:
Accounts receivable	(12,384)	(1,888)
Prepaid expenses and other assets	(62,081)	(40,016)
Inventory	(77,193)	(48,316)
Accounts payable	(138,135)	(8,935)
Accrued and other liabilities	114,391	172,384
Net cash provided by operating activities	348,758	686,279
Cash flows from investing activities:
Purchase of long term investments	(10,000)	0
Sale of long term investments	45	0
Capital expenditures	(30,219)	(56,560)
Payments for intangible assets	(15,000)	0
Purchases of marketable securities	(222,228)	(59,058)
Sale and maturities of marketable securities	224,225	57,988
Net cash used in investing activities	(53,177)	(57,630)
Cash flows from financing activities:
Proceeds from issuance of common stock under stock plans	28,319	42,989
Tax withholdings related to restricted and performance share vesting	(28,061)	(25,724)
Payment of finance lease liabilities	(2,523)	(2,106)
Payment of contingent consideration	(18,114)	(13,473)
Net cash (used in) provided by financing activities	(20,379)	1,686
Effect of exchange rates on cash, cash equivalents, restricted cash and investments	625	2,728
Net increase in cash, cash equivalents, restricted cash and investments	275,827	633,063
Cash, cash equivalents, restricted cash and investments at beginning of period	2,953,120	2,059,160
Cash, cash equivalents, restricted cash and investments at end of period	3,228,947	2,692,223
Supplemental Schedule of Cash Flow Information
Income taxes paid	253,180	116,537
Unpaid purchases of property and equipment	11	8,836
Leased assets obtained in exchange for new operating lease liabilities	5,275	3,650
Leased assets obtained in exchange for new finance lease liabilities	$ 1,176	$ 1,448

XML

Organization and Business

9 Months Ended

Sep. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Business

Note 1. Organization and Business

Incyte Corporation (including its subsidiaries, “Incyte,” “we,” “us,” or “our”) is a biopharmaceutical company focused on developing and commercializing proprietary therapeutics. Our portfolio includes compounds in various stages, ranging from preclinical to late stage development, and commercialized products JAKAFI® (ruxolitinib), ICLUSIG® (ponatinib), PEMAZYRE® (pemigatinib), OPZELURA™ (ruxolitinib cream), MINJUVI® (tafasitamab), MONJUVI® (tafasitamab-cxix), which is co-commercialized, and ZYNYZ™ (retifanlimab-dlwr). Our operations are treated as one operating segment.

XML

Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 2. Summary of Significant Accounting Policies

Basis of presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. The condensed consolidated balance sheet as of September 30, 2023, the condensed consolidated statements of operations, comprehensive income (loss), and stockholders’ equity for the three and nine months ended September 30, 2023 and 2022, and the condensed consolidated statements of cash flows for the nine months ended September 30, 2023 and 2022, are unaudited, but include all adjustments, consisting only of normal recurring adjustments, which we consider necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented. The condensed consolidated balance sheet at December 31, 2022 has been derived from our audited consolidated financial statements.

Although we believe that the disclosures in these financial statements are adequate to make the information presented not misleading, certain information and footnote information normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission.

Results for any interim period are not necessarily indicative of results for any future interim period or for the entire year. The accompanying financial statements should be read in conjunction with the financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2022.

Principles of Consolidation. The condensed consolidated financial statements include the accounts of Incyte Corporation and our wholly owned subsidiaries. All inter-company accounts, transactions, and profits have been eliminated in consolidation.

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Other Intangible Assets, net. Other intangible assets, net consist of licensed intellectual property rights acquired in business combinations, which are reported at acquisition date fair value, less accumulated amortization, as well as milestone payments made to collaboration partners incurred at or after the product has obtained regulatory approval. Intangible assets with finite lives are amortized over their estimated useful lives using the straight-line method. Intangible assets with finite lives are tested for recoverability whenever events or changes in circumstances indicate that the carrying amounts may not be recoverable.

Cost of Product Revenues. Cost of product revenues includes all product related costs and royalties owed under our collaboration and license agreements, contingent on certain conditions. In addition, cost of product revenues includes the amortization of our licensed intellectual property for ICLUSIG and the amortization of capitalized milestone payments, using the straight-line method over the respective estimated useful lives, which range between approximately 11 to 14 years. Cost of product revenues also includes employee personnel costs, including stock compensation, for those employees dedicated to the production of our commercial products.

Recent Accounting PronouncementsThere were no new accounting pronouncements issued nor adopted since our filing of the Annual Report on Form 10-K for the year ended December 31, 2022, which could have a significant effect on our condensed consolidated financial statements.

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Revenues

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenues

Note 3. Revenues

Revenues are recognized under guidance within ASC 606, Revenue from Contracts with Customers. The following table presents our disaggregated revenue for the periods presented (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
JAKAFI revenues, net	$	636,252	$	619,595	$	1,898,605	$	1,761,732
OPZELURA revenues, net	91,836		38,140		228,621		67,454
ICLUSIG revenues, net	27,721		25,929		84,493		78,222
PEMAZYRE revenues, net	18,942		23,414		62,989		60,429
MINJUVI revenues, net	8,348		5,932		28,063		14,845
ZYNYZ revenues, net	98		—		668		—
Total product revenues, net	783,197		713,010		2,303,439		1,982,682
JAKAVI product royalty revenues	96,551		85,808		263,691		240,386
OLUMIANT product royalty revenues	29,615		20,371		95,779		98,689
TABRECTA product royalty revenues	4,139		4,114		13,115		11,178
PEMAZYRE product royalty revenues	523		—		1,284		—
Total product royalty revenues	130,828		110,293		373,869		350,253
Milestone and contract revenues	5,000		—		5,000		135,000
Total revenues	$	919,025	$	823,303	$	2,682,308	$	2,467,935

For further information on our revenue-generating contracts, refer to Note 7.

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Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Note 4. Fair Value of Financial Instruments

The following is a summary of our marketable security portfolio for the periods presented (in thousands):

	Amortized Cost		Net Unrealized Losses		Estimated Fair Value
September 30, 2023
Debt securities (government)	$	290,583	$	(1,360)	$	289,223
December 31, 2022
Debt securities (government)	$	292,580	$	(5,037)	$	287,543

Our available-for-sale debt securities generally have contractual maturity dates of between 12 to 18 months. Debt security assets were assessed for risk of expected credit losses. As of September 30, 2023 and December 31, 2022, the available-for-sale debt securities were held in U.S.-government backed securities and in Treasury bonds and were assessed on an individual security basis to have a de minimis risk of credit loss.

Fair Value Measurements

FASB accounting guidance defines fair value as the price that would be received to sell an asset or paid to transfer a liability (“the exit price”) in an orderly transaction between market participants at the measurement date. The standard outlines a valuation framework and creates a fair value hierarchy in order to increase the consistency and comparability of fair value measurements and the related disclosures. In determining fair value we use quoted prices and observable inputs. Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of us. The fair value hierarchy is broken down into three levels based on the source of inputs as follows:

Level 1—Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2—Valuations based on observable inputs and quoted prices in active markets for similar assets and liabilities.

Level 3—Valuations based on inputs that are unobservable and models that are significant to the overall fair value measurement.

Recurring Fair Value Measurements

Our marketable securities consist of investments in U.S. government debt securities that are classified as available-for-sale.

At September 30, 2023 and December 31, 2022, our Level 2 U.S. government debt securities were valued using readily available pricing sources which utilize market observable inputs, including the current interest rate and other characteristics for similar types of investments. Our long term investments classified as Level 1 were valued using their respective closing stock prices on The Nasdaq Stock Market. We did not experience any transfers of financial instruments between the fair value hierarchy levels during the nine months ended September 30, 2023.

The following fair value hierarchy table presents information about each major category of our financial assets measured at fair value on a recurring basis (in thousands):

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2023
Cash and cash equivalents	$	3,227,230	$	—	$	—	$	3,227,230
Debt securities (government)	—		289,223		—		289,223
Long term investments (Note 7)	153,663		—		—		153,663
Total assets	$	3,380,893	$	289,223	$	—	$	3,670,116

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2022
Cash and cash equivalents	$	2,951,422	$	—	$	—	$	2,951,422
Debt securities (government)	—		287,543		—		287,543
Long term investments (Note 7)	133,676		—		—		133,676
Total assets	$	3,085,098	$	287,543	$	—	$	3,372,641

The following fair value hierarchy table presents information about each major category of our financial liabilities measured at fair value on a recurring basis as (in thousands):

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2023
Acquisition-related contingent consideration	$	—	$	—	$	207,000	$	207,000
Total liabilities	$	—	$	—	$	207,000	$	207,000

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2022
Acquisition-related contingent consideration	$	—	$	—	$	221,000	$	221,000
Total liabilities	$	—	$	—	$	221,000	$	221,000

The following is a rollforward of our Level 3 liabilities (in thousands):

	2023
Balance at January 1,	$	221,000
Contingent consideration earned during the period but not yet paid	(10,684)
Payments made during the period	(17,460)
Change in fair value of contingent consideration	14,144
Balance at September 30,	$	207,000

The initial fair value of the contingent consideration was determined on the date of acquisition, June 1, 2016, using an income approach based on projected future net revenues of ICLUSIG in the European Union and other countries for the approved third line treatment over 18 years, and discounted to present value at a rate of 10%. The fair value of the contingent consideration is remeasured each reporting period, with changes in fair value recorded in the condensed consolidated statements of operations. The valuation inputs utilized to estimate the fair value of the contingent consideration as of September 30, 2023 and December 31, 2022 included a discount rate of 10% and updated projections of future net revenues of ICLUSIG in the European Union and other countries for the approved third line treatment. The change in fair value of the contingent consideration during the three and nine months ended September 30, 2023 was due primarily to the changes in foreign currency exchange rates included within the updated projections of future net revenues of ICLUSIG and the passage of time.

We generally make payments to Takeda Pharmaceutical Company Limited quarterly based on the royalties or any additional milestone payments earned in the previous quarter. At September 30, 2023 and December 31, 2022, contingent consideration earned but not yet paid was $10.7 million and $9.3 million, respectively, and was included in accrued and other current liabilities.

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Concentration of Credit Risk and Current Expected Credit Losses

9 Months Ended

Sep. 30, 2023

Risks and Uncertainties [Abstract]

Concentration of Credit Risk and Current Expected Credit Losses

Note 5. Concentration of Credit Risk and Current Expected Credit Losses

In November 2009, we entered into a collaboration and license agreement with Novartis Pharmaceutical International Ltd. (“Novartis”). In December 2009, we entered into a license, development and commercialization agreement with Eli Lilly and Company (“Lilly”). The above collaboration partners comprised, in aggregate, 21% and 20% of the accounts receivable balance as of September 30, 2023 and December 31, 2022, respectively. For further information relating to these collaboration and license agreements, refer to Note 7.

In November 2011, we began commercialization and distribution of JAKAFI, in April 2020, we began commercialization and distribution of PEMAZYRE, and in October 2021, we began commercialization and distribution of OPZELURA. Our product revenues are concentrated in a number of customers for these products. The concentration of credit risk related to our JAKAFI, PEMAZYRE and OPZELURA product revenues is as follows:

	Percentage of Total Net Product Revenues for the Three Months Ended				Percentage of Total Net Product Revenues for the Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Customer A	17	%	19	%	17	%	19	%
Customer B	10	%	10	%	10	%	11	%
Customer C	17	%	18	%	18	%	18	%
Customer D	8	%	9	%	9	%	10	%
Customer E	12	%	14	%	11	%	14	%

We are exposed to risks associated with extending credit to customers related to the sale of products. Customers A, B, C, D, and E comprised, in aggregate, 33% and 41% of the accounts receivable balance as of September 30, 2023 and December 31, 2022, respectively. The concentration of credit risk relating to our other product revenues or accounts receivable is not significant.

We assessed our collaborative and customer receivable assets as of September 30, 2023 according to our accounting policy for applying reserves for expected credit losses, noting minimal history of uncollectible receivables and the continued perceived creditworthiness of our third party sales relationships, upon which the expected credit losses were considered de minimis. As of September 30, 2023 and December 31, 2022, we had no allowance for doubtful accounts.

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Inventory

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Inventory

Note 6. Inventory

Our inventory balance consists of the following (in thousands):

	September 30, 2023		December 31, 2022
Raw materials	$	22,006	$	31,874
Work-in-process	140,370		54,455
Finished goods	36,910		34,630
Total inventory	$	199,286	$	120,959

Inventories, stated at the lower of cost and net realizable value, consist of raw materials, work in process and finished goods. At September 30, 2023, $57.2 million of inventory was classified as current on the condensed consolidated balance sheet as we expect this inventory to be consumed for commercial use within the next twelve months. At September 30, 2023, $142.1 million of inventory was classified as non-current on the condensed consolidated balance sheet as we did not expect this inventory to be consumed for commercial use within the next twelve months. We obtain some inventory components from a limited number of suppliers due to technology, availability, price, quality or other considerations. The loss of a supplier, the deterioration of our relationship with a supplier, or any unilateral violation of the contractual terms under which we are supplied components by a supplier could adversely affect our total revenues and gross margins.

We capitalize inventory after regulatory approval as the related costs are expected to be recoverable through the commercialization of the product. Costs incurred prior to regulatory approval are recorded as research and development expense in our statements of operations. At September 30, 2023, inventory with approximately $36.7 million of product costs incurred prior to regulatory approval had not yet been sold. We expect to sell the pre-commercialization inventory over the next 12 to 18 months and, as a result, cost of product revenues will reflect a lower average per unit cost of materials.

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License Agreements

9 Months Ended

Sep. 30, 2023

License Agreements

License Agreements

Note 7. License Agreements

Novartis

In November 2009, we entered into a Collaboration and License Agreement with Novartis. Under the terms of the agreement, Novartis received exclusive development and commercialization rights outside of the United States to our JAK inhibitor ruxolitinib and certain back-up compounds for hematologic and oncology indications, including all hematological malignancies, solid tumors and myeloproliferative diseases. We retained exclusive development and commercialization rights to JAKAFI (ruxolitinib) in the United States and in certain other indications. Novartis also received worldwide exclusive development and commercialization rights to our MET inhibitor compound capmatinib and certain back-up compounds in all indications.

Under this agreement, we were initially eligible to receive up to $174.0 million for the achievement of development milestones, up to $495.0 million for the achievement of regulatory milestones and up to $500.0 million for the achievement of sales milestones. In addition, we are eligible to receive up to $75.0 million of additional potential development and regulatory milestones relating to graft-versus-host-disease (“GVHD”). Since the inception of the agreement through September 30, 2023, we have recognized and received, in the aggregate, $157.0 million for the achievement of development milestones, $345.0 million for the achievement of regulatory milestones, and $200.0 million for the achievement of sales milestones.

In September 2023, we recognized a $5.0 million regulatory milestone for the regulatory approval from the Japanese Ministry of Health, Labour and Welfare (MHLW) for the GVHD indication of JAKAVI (ruxolitinib).

We also are eligible to receive tiered, double-digit royalties ranging from the upper-teens to the mid-twenties on future JAKAVI net sales outside of the United States, and tiered, worldwide royalties on TABRECTA net sales that range from 12% to 14%. We are obligated to pay to Novartis tiered royalties in the low single-digits on future JAKAFI net sales within the United States contingent on certain conditions. During the three and nine months ended September 30, 2023, such royalties on net sales within the United States totaled $31.1 million and $88.0 million, respectively, and were reflected in cost of product revenues on the condensed consolidated statements of operations. During the three and nine months ended September 30, 2022, such royalties on net sales within the United States totaled $30.3 million and $81.3 million, respectively, and were reflected in cost of product revenues on the condensed consolidated statements of operations. At September 30, 2023 and December 31, 2022, $341.5 million and $253.5 million, respectively, of accrued royalties were included in accrued and other current liabilities on the condensed consolidated balance sheets, payment of which is dependent on the outcome of a contract dispute with Novartis. Each company is responsible for costs relating to the development and commercialization of ruxolitinib in its respective territories, with costs of collaborative studies shared equally. Novartis is also responsible for all costs relating to the development and commercialization of capmatinib.

Milestone and contract revenue under the Novartis agreement was $5.0 million for both the three and nine months ended September 30, 2023. We had no milestone and contract revenue under the Novartis agreement for the three months ended September 30, 2022, and we had $60.0 million for the nine months ended September 30, 2022. Product royalty revenue related to Novartis net sales of JAKAVI outside of the United States for the three and nine months ended September 30, 2023 was $96.6 million and $263.7 million, respectively. Product royalty revenue related to Novartis net sales of JAKAVI outside of the United States for the three and nine months ended September 30, 2022 was $85.8 million and $240.4 million, respectively. Product royalty revenue related to Novartis net sales of TABRECTA worldwide for the three and nine months ended September 30, 2023 was $4.1 million and $13.1 million, respectively. Product royalty revenue related to Novartis net sales of TABRECTA worldwide for the three and nine months ended September 30, 2022 was $4.1 million and $11.2 million, respectively.

Lilly – Baricitinib

In December 2009, we entered into a License, Development and Commercialization Agreement with Lilly. Under the terms of the agreement, Lilly received exclusive worldwide development and commercialization rights to our JAK inhibitor baricitinib, and certain back-up compounds for inflammatory and autoimmune diseases.

Under this agreement, we were initially eligible to receive up to $150.0 million for the achievement of development milestones, up to $365.0 million for the achievement of regulatory milestones and up to $150.0 million for the achievement of sales milestones. Since the inception of the agreement through September 30, 2023, we have recognized and received, in aggregate, $149.0 million for the achievement of development milestones, $335.0 million for the achievement of regulatory milestones and $50.0 million for the achievement of sales milestones. We are also eligible to receive tiered, double-digit royalties on future global sales with rates ranging up to the mid-twenties if a product is successfully commercialized.

In May 2020, we amended our agreement with Lilly to enable Lilly to develop and commercialize baricitinib for the treatment of COVID-19. As part of the amended agreement, in addition to the royalties described above, we will be entitled to receive additional royalty payments with rates in the low teens on global net sales of baricitinib for the treatment of COVID-19 that exceed a specified aggregate global net sales threshold.

We had no milestone and contract revenue under the Lilly agreement for the three and nine months ended September 30, 2023. We had no milestone and contract revenue under the Lilly agreement for the three months ended September 30, 2022, and we had $70.0 million for the nine months ended September 30, 2022. Product royalty revenue related to Lilly net sales of OLUMIANT outside of the United States for the three and nine months ended September 30, 2023 was $29.6 million and $95.8 million, respectively. Product royalty revenue related to Lilly net sales of OLUMIANT outside of the United States for the three and nine months ended September 30, 2022 was $20.4 million and $98.7 million, respectively.

Lilly - Ruxolitinib

In March 2016, we entered into an amendment to the agreement with Lilly that amended the non-compete provision of the agreement to allow us to engage in the development and commercialization of ruxolitinib in the GVHD field. Lilly was eligible to receive up to $40.0 million in regulatory milestone payments relating to ruxolitinib in the GVHD field. In May 2019, the approval of JAKAFI in steroid-refractory acute GVHD triggered a $20.0 million milestone payment to Lilly. In March 2022, the positive recommendation from the European Medicines Agency for regulatory approval of ruxolitinib in the GVHD field triggered an additional $20.0 million milestone payment to Lilly, which was recorded as research and development expense in our condensed consolidated statements of operations for the three months ended March 31, 2022.

Agenus

In January 2015, we entered into a License, Development and Commercialization Agreement with Agenus Inc. and its wholly-owned subsidiary, 4-Antibody AG (now known as Agenus Switzerland Inc.), which we collectively refer to as Agenus. Under this agreement, which was amended in February 2017, the parties have agreed to collaborate on the discovery of novel immuno-therapeutics using Agenus’ antibody discovery platforms.

Since the inception of the agreement through September 30, 2023, we have paid Agenus milestones totaling $30.0 million, and Agenus is eligible to receive up to an additional $500.0 million in future contingent development, regulatory and commercialization milestones across all programs in the collaboration.

As of September 30, 2023, we held an investment of approximately 12.1 million shares of Agenus Inc. common stock. The fair market value of our long term investment in Agenus Inc. at September 30, 2023 and December 31, 2022 was $13.6 million and $29.0 million, respectively. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $5.6 million and $15.3 million, respectively, based on the change in fair value of Agenus Inc.’s common stock during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized gain of $1.3 million and an unrealized loss of $14.1 million, respectively, based on the change in fair value of Agenus Inc.’s common stock during the respective periods.

During May 2023, Agenus Inc. distributed a dividend of shares it owned of its publicly traded subsidiary MiNK Therapeutics' ("MiNK") common stock to shareholders who held Agenus Inc. shares. As a result, we acquired approximately 0.2 million shares of MiNK common stock. The fair market value of our long term investment in MiNK at September 30, 2023 was $0.2 million. During the three and nine months ended September 30, 2023, we recorded an unrealized loss of $0.2 million and a nominal unrealized gain, respectively, based on the change in fair value of MiNK’s common stock during the period.

Merus

In December 2016, we entered into a Collaboration and License Agreement with Merus N.V. (“Merus”). Under this agreement, the parties have agreed to collaborate with respect to the research, discovery and development of bispecific antibodies utilizing Merus’ technology platform. The collaboration encompasses up to ten independent programs.

In January 2023, we paid Merus a milestone of $2.5 million, which was recorded as research and development expense in our condensed consolidated statements of operations during the three months ended March 31, 2023. In August 2023, we paid Merus a milestone of $2.5 million, which was recorded as research and development expense in our condensed consolidated statements of operations during the three months ended September 30, 2023. Since the inception of the agreement through September 30, 2023, we have paid and expensed Merus milestones totaling $8.0 million.

During August 2023, we purchased approximately 0.5 million shares of Merus’ common shares for an aggregate purchase price of $10.0 million in cash. As of September 30, 2023, we held an investment of approximately 4.0 million common shares. The fair market value of our total long term investment in Merus at September 30, 2023 and December 31, 2022 was $94.4 million and $54.9 million, respectively. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $9.1 million and an unrealized gain of $29.5 million, respectively, based on the change in fair value of Merus’ common shares during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized loss of $9.3 million and $41.8 million, respectively, based on the change in fair value of Merus’ common shares during the respective periods.

MacroGenics

In October 2017, we entered into a Global Collaboration and License Agreement with MacroGenics, Inc. (“MacroGenics”). Under this agreement, we received exclusive development and commercialization rights worldwide to MacroGenics’ INCMGA0012 (formerly MGA012), an investigational monoclonal antibody that inhibits PD-1. Except as set forth in the succeeding sentence, we have sole authority over and bear all costs and expenses in connection with the development and commercialization of INCMGA0012 in all indications, whether as a monotherapy or as part of a combination regimen. MacroGenics has retained the right to develop and commercialize, at its cost and expense, its pipeline assets in combination with INCMGA0012. In addition, MacroGenics has the right to manufacture a portion of both companies’ global clinical and commercial supply needs of INCMGA0012.

In July 2022, we amended our agreement with MacroGenics to reflect changes related to the payment of certain milestones and paid MacroGenics $30.0 million, which was previously recorded as research and development expense in our condensed consolidated statements of operations in the third quarter of 2022. In March 2023, we made a $15.0 million regulatory milestone payment to MacroGenics for the FDA approval of ZYNYZ for the treatment of adults with Merkel cell carcinoma. This milestone payment was capitalized as an intangible asset and included in Other intangible assets, net on the condensed consolidated balance sheet as of September 30, 2023, and is being amortized through cost of product revenues over the estimated useful life of 13.5 years.

Since the inception of the agreement through September 30, 2023, we have paid MacroGenics developmental and regulatory milestones totaling $115.0 million. After the amendment and subsequent payments, MacroGenics will be eligible to receive up to an additional $320.0 million in future contingent development and regulatory milestones, and up to $330.0 million in sales milestones as well as tiered royalties ranging from 15% to 24% of global net sales.

Research and development expenses for the three and nine months ended September 30, 2023 also included $12.9 million and $42.8 million, respectively, of development costs incurred pursuant to the MacroGenics agreement. Research and development expenses for the three and nine months ended September 30, 2022 also included $41.6 million and $69.9 million, respectively, of development costs incurred pursuant to the MacroGenics agreement. At September 30, 2023 and December 31, 2022, a total of $0.8 million and $2.9 million of such costs were included in accrued and other liabilities on the condensed consolidated balance sheets.

Syros

In January 2018, we entered into a Target Discovery, Research Collaboration and Option Agreement with Syros Pharmaceuticals, Inc. (“Syros”). Under this agreement, Syros would use its proprietary gene control platform to identify novel therapeutic targets with a focus in myeloproliferative neoplasms and we had received options to obtain exclusive worldwide rights to intellectual property resulting from the collaboration for up to seven validated targets. In August 2023, we terminated the Target Discovery, Research Collaboration and Option Agreement with Syros, effective as of October 10, 2023.

As of September 30, 2023, we held an investment of approximately 0.1 million shares of Syros common stock. The fair market value of our long term investment in Syros as of September 30, 2023 and December 31, 2022 was $0.4 million and $0.3 million, respectively. For the three and nine months ended September 30, 2023, we recorded a unrealized gain of $0.1 million and a nominal unrealized gain, respectively, based on the change in fair value of Syros’ common stock during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized loss of $0.3 million and $2.5 million, respectively, based on the change in fair value of Syros’ common stock during the respective periods.

MorphoSys

In January 2020, we entered into a Collaboration and License Agreement with MorphoSys AG and MorphoSys US Inc., a wholly-owned subsidiary of MorphoSys AG (together with MorphoSys AG, “MorphoSys”), covering the worldwide development and commercialization of MOR208 (tafasitamab), an investigational Fc engineered monoclonal antibody directed against the target molecule CD19 that was under clinical development by MorphoSys at the beginning of the agreement, and has subsequently been commercialized as MONJUVI/MINJUVI. MorphoSys has exclusive worldwide development and commercialization rights to tafasitamab under a June 2010 collaboration and license agreement with Xencor, Inc.

Under the terms of the agreement, we received exclusive commercialization rights outside of the United States, and MorphoSys and we have co-commercialization rights in the United States, with respect to tafasitamab. MorphoSys is responsible for leading the commercialization strategy and booking all revenue from sales of tafasitamab in the United States, and we and MorphoSys are both responsible for commercialization efforts in the United States and will share equally the profits and losses from the co-commercialization efforts. We will lead the commercialization strategy outside of the United States, and will be responsible for commercialization efforts and book all revenue from sales of tafasitamab outside of the United States, subject to our royalty payment obligations set forth below. We and MorphoSys have agreed to co-develop tafasitamab and to share development costs associated with global and U.S.-specific clinical trials, with Incyte responsible for 55% of such costs and MorphoSys responsible for 45% of such costs. Each company is responsible for funding any independent development activities, and we are responsible for funding development activities specific to territories outside of the United States. All development costs related to the collaboration are subject to a joint development plan.

MorphoSys is eligible to receive up to $737.5 million in future contingent development and regulatory milestones and up to $315.0 million in commercialization milestones as well as tiered royalties ranging from the mid-teens to mid-twenties of net sales outside of the United States. MorphoSys’ right to receive royalties in any particular country will expire upon the last to occur of (a) the expiration of patent rights in that particular country, (b) a specified period of time after the first post-marketing authorization sale of a licensed product comprising tafasitamab in that country, and (c) the expiration of any regulatory exclusivity for that licensed product in that country. Since the inception of the agreement through September 30, 2023, we have paid MorphoSys milestones totaling $2.5 million, all of which have previously been recorded as research and development expenses.

As of September 30, 2023, we held an investment of approximately 3.6 million American Depository Shares, each representing 0.25 of an ordinary share of MorphoSys AG. The fair market value of our long term investment in MorphoSys AG as of September 30, 2023 and December 31, 2022 was $24.4 million and $13.0 million, respectively. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $2.7 million and an unrealized gain of $11.4 million, respectively, based on the change in fair value of MorphoSys AG's ordinary shares during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized gain of $0.8 million and an unrealized loss of $15.9 million, respectively, based on the change in fair value of MorphoSys AG's ordinary shares during the respective periods.

Our 50% share of the United States loss or profit for the commercialization of tafasitamab for the three and nine months ended September 30, 2023 was a loss of $1.1 million and profit of $0.9 million, respectively, and is recorded as loss and (profit) sharing under collaboration agreements on the condensed consolidated statement of operations. Our 50% share of the United States loss for the commercialization of tafasitamab for the three and nine months ended September 30, 2022 was $1.8 million and $9.1 million, respectively, and is recorded as loss and (profit) sharing under collaboration agreements on the condensed consolidated statement of operations. Research and development expenses for the three and nine months ended September 30, 2023, includes $13.0 million and $58.5 million, respectively, related to our 55% share of the co-development costs for tafasitamab. Research and development expenses for the three and nine months ended September 30, 2022, includes $21.9 million and $70.4 million, respectively, related to our 55% share of the co-development costs for tafasitamab. At September 30, 2023 and December 31, 2022, $12.4 million and $28.5 million, respectively, was included in accrued and other liabilities on the condensed consolidated balance sheets for amounts due to MorphoSys under the agreement.

Syndax

In September 2021, we entered into a Collaboration and License Agreement with Syndax Pharmaceuticals, Inc. (“Syndax”), covering the worldwide development and commercialization of SNDX-6352 (“axatilimab”). The agreement became effective in December 2021. Axatilimab, which is currently in clinical development, is a monoclonal antibody that blocks the colony stimulating factor-1 (CSF-1) receptor. Syndax obtained exclusive worldwide development and commercialization rights to axatilimab under a June 2016 license agreement with UCB Biopharma Sprl.

Under the terms of our agreement with Syndax, we received exclusive commercialization rights to axatilimab outside of the United States, and share commercialization rights in the United States. We are responsible for leading the commercialization strategy and booking all revenue from sales of axatilimab globally. Incyte and Syndax will share equally the profits and losses from the co-commercialization efforts in the United States. Sales of axatilimab outside the United States will be subject to our royalty payment obligations to Syndax, as set forth below. We and Syndax have agreed to co-develop axatilimab and to share development costs associated with global and U.S.-specific clinical trials, with Incyte responsible for 55% of such costs and Syndax responsible for 45% of such costs. Each company is responsible for funding any independent development activities. All development costs related to the collaboration are subject to a joint development plan.

In December 2021, we paid Syndax an upfront, non-refundable payment of $117.0 million, which was recorded in research and development expense on the consolidated statement of operations for the year ended December 31, 2021. Syndax is eligible to receive up to $220.0 million in future contingent development and regulatory milestones and up to $230.0 million in sales milestones as well as tiered royalties ranging in the mid-teens on net sales in Europe and Japan and low double digit percentage on net sales in the rest of the world outside of the United States. Syndax’s right to receive royalties in any particular country will expire upon the last to occur of (a) the expiration of patent rights in that particular country, (b) a specified period of time after the first post-marketing authorization sale of a licensed product comprising axatilimab in that country, and (c) the expiration of any regulatory exclusivity for that licensed product in that country.

As of September 30, 2023, we held an investment of approximately 1.4 million shares of Syndax common stock. The fair market value of our long term investment in Syndax as of September 30, 2023 and December 31, 2022 was $20.6 million and $36.2 million. For the three and nine months ended September 30, 2023, we recorded an unrealized loss of $9.2 million and $15.6 million, respectively, based on the change in fair value of Syndax’s common stock during the respective periods. For the three and nine months ended September 30, 2022, we recorded an unrealized gain of $6.8 million and $3.1 million, respectively, based on the change in fair value of Syndax’s common stock during the respective periods.

Research and development expenses for the three and nine months ended September 30, 2023, includes $5.1 million and $16.9 million, respectively, related to our 55% share of the co-development costs for axatilimab. At September 30, 2023, $7.3 million was included in accrued and other liabilities on the condensed consolidated balance sheet for amounts due to Syndax under the agreement.

Other Agreements

In addition to the license and collaboration agreements discussed above, we have various other license and collaboration agreements that are not individually material to our operating results or financial condition at this time. Pursuant to the terms of those agreements, we may be required to pay, or we may receive, additional amounts contingent upon the occurrence of various future events such as future discovery, development, regulatory or commercial milestones, which in the aggregate could be material. In addition, if any products related to these collaborations are approved for sale, we may be required to pay, or we may receive, royalties on future sales. The payment or receipt of these amounts, however, is contingent upon the occurrence of various future events, the likelihood of which cannot presently be determined.

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Property and Equipment, net

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Note 8. Property and Equipment, net

Property and equipment, net consists of the following (in thousands):

	September 30, 2023		December 31, 2022
Office equipment	$	23,235	$	22,734
Laboratory equipment	205,466		192,141
Computer equipment	142,888		92,115
Land	10,484		10,429
Building and leasehold improvements	568,733		564,170
Operating lease right-of-use assets	21,938		23,311
Construction in progress	13,567		47,224
	986,311		952,124
Less accumulated depreciation and amortization	(253,265)		(212,814)
Property and equipment, net	$	733,046	$	739,310

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Accrued and Other Current Liabilities

9 Months Ended

Sep. 30, 2023

Payables and Accruals [Abstract]

Accrued and Other Current Liabilities

Note 9. Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Royalties	$	354,947	$	263,466
Clinical related costs	100,282		130,570
Sales allowances	231,885		192,133
Sales and marketing	36,697		31,149
Construction in progress	11		3,493
Operating lease liabilities	6,181		8,195
Other current liabilities	90,604		72,047
Total accrued and other current liabilities	$	820,607	$	701,053

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Stock Compensation

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Stock Compensation

Note 10. Stock Compensation

We recorded $48.0 million and $155.9 million of stock compensation expense on our condensed consolidated statements of operations for the three and nine months ended September 30, 2023, respectively. We recorded $45.4 million and $135.7 million of stock compensation expense on our condensed consolidated statements of operations for the three and nine months ended September 30, 2022, respectively. Stock compensation expense included within our condensed consolidated statements of operations included research and development expense of $26.9 million, $90.7 million, $25.8 million and $80.2 million for the three and nine months ended September 30, 2023 and 2022, respectively. Stock compensation expense included within our condensed consolidated statements of operations also included selling, general and administrative expense of $20.3 million, $62.8 million, $18.9 million and $53.5 million for the three and nine months ended September 30, 2023 and 2022, respectively. Stock compensation expense included within our condensed consolidated statements of operations also included cost of product revenues of $0.8 million, $2.4 million, $0.7 million and $2.0 million, respectively, for the three and nine months ended September 30, 2023 and 2022.

We utilized the Black-Scholes valuation model for estimating the fair value of the stock compensation granted, with the following weighted-average assumptions:

	Employee Stock Options												Employee Stock Purchase Plan
	For the Three Months Ended						For the Nine Months Ended						For the Three Months Ended						For the Nine Months Ended
	September 30,												September 30,
	2023			2022			2023			2022			2023			2022			2023			2022
Average risk-free interest rates	4.17		%	2.90		%	3.95		%	2.03		%	5.03		%	4.22		%	4.50		%	3.44		%
Average expected life (in years)	5.16			5.17			5.05			4.88			0.50			0.50			0.50			0.50
Volatility	32		%	35		%	32		%	36		%	24		%	31		%	22		%	27		%
Weighted-average fair value (in dollars)	$	22.32		$	27.57		$	24.68		$	25.96		$	15.36		$	16.46		$	14.72		$	15.38

The risk-free interest rate is derived from the U.S. Federal Reserve rate in effect at the time of grant. The expected life calculation is based on the observed and expected time to the exercise of options by our employees based on historical exercise patterns for similar type options. Expected volatility is based on the historical volatility of our common stock over the period commensurate with the expected life of the options. A dividend yield of zero is assumed based on the fact that we have never paid cash dividends and have no present intention to pay cash dividends. Nonemployee awards are measured on the grant date by estimating the fair value of the equity instruments to be issued using the expected term, similar to our employee awards.

Option activity under our 2010 Stock Incentive Plan (the “2010 Stock Plan”) was as follows:

	Shares Subject to Outstanding Options
	Shares	Weighted Average Exercise Price
Balance at December 31, 2022	12,650,359	$	87.25
Options granted	1,324,295	$	70.76
Options exercised	(231,417)	$	67.05
Options cancelled	(950,614)	$	91.40
Balance at September 30, 2023	12,792,623	$	85.60

Our annual stock option grants generally have a 10-year term and vest over four years, with 25% vesting after one year and the remainder vesting in 36 equal monthly installments.

Restricted stock unit (“RSU”) and performance share (“PSU”) award activity under the 2010 Stock Plan was as follows:

	Shares Subject to Outstanding Awards
	Shares	Grant Date Value
Balance at December 31, 2022	5,187,592	$	81.24
RSUs granted	3,510,406	$	65.41
PSUs granted	300,512	$	61.76
RSUs released	(1,236,318)	$	83.57
PSUs released	(108,712)	$	102.44
RSUs cancelled	(303,726)	$	77.97
PSUs cancelled	(52,392)	$	72.47
Balance at September 30, 2023	7,297,362	$	72.31

RSUs and PSUs are granted to our employees at the share price on the date of grant. Each RSU represents the right to acquire one share of our common stock. Each RSU granted in connection with our annual equity awards will vest 25% annually over four years, while each RSU granted as outstanding merit awards or as part of retention award programs will vest in a single installment at the end of four years.

We grant PSUs with performance and/or service-based milestones with graded and/or cliff vesting over three to four years. The shares of our common stock into which each PSU may convert is subject to a multiplier based on the level at which the financial, developmental and market performance conditions are achieved over the service period. Compensation expense for PSUs with financial and developmental performance conditions is recorded over the estimated service period for each milestone when the performance conditions are deemed probable of achievement. For PSUs containing performance conditions which were not deemed probable of achievement, no stock compensation expense is recorded. Compensation expense for PSUs with market performance conditions is calculated using a Monte Carlo simulation model as of the date of grant and recorded over the requisite service period. For the three and nine months ended September 30, 2023 we recorded $4.2 million and $13.4 million, respectively, of stock compensation expense for PSUs on our condensed consolidated statements of operations. For the three and nine months ended September 30, 2022 we recorded $3.2 million and $5.1 million of stock compensation expense for PSUs on our condensed consolidated statements of operations.

The following table summarizes our shares available for grant under the 2010 Stock Plan. Each RSU and PSU grant reduces the available share pool by 2 shares.

	Shares Available for Grant
Balance at December 31, 2022	5,056,370
Additional authorization	12,500,000
Options, RSUs and PSUs granted	(8,946,489)
Options, RSUs and PSUs cancelled	1,662,566
Balance at September 30, 2023	10,272,447

Based on our historical experience of employee turnover, we have assumed an annualized forfeiture rate of 5% for our options, RSUs and PSUs. Under the true-up provisions of the stock compensation guidance, we will record additional expense if the actual forfeiture rate is lower than we estimated, and will record a recovery of prior expense if the actual forfeiture is higher than we estimated.

Total compensation cost of options granted but not yet vested, as of September 30, 2023, was $37.1 million, which is expected to be recognized over the weighted average period of approximately 1.2 years. Total compensation cost of RSUs granted but not yet vested, as of September 30, 2023, was $278.1 million, which is expected to be recognized over the weighted average period of approximately 2.0 years. Total compensation cost of PSUs granted but not yet vested, as of September 30, 2023, was $24.1 million, which is expected to be recognized over the weighted average period of 2.1 years, should the underlying performance conditions be deemed probable of achievement.

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Income Taxes

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Income Taxes

Note 11. Income Taxes

For the three and nine months ended September 30, 2023 and 2022, we recorded the following provisions for income taxes and effective tax rates as compared to our income before provision for income taxes (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Income before provision for income taxes	$	233,799	$	148,588	$	563,259	$	448,501
Provision for income taxes	62,530		35,813		166,739		136,302
Effective tax rate	26.7%		24.1%		29.6%		30.4%

Our effective tax rate for each of the three and nine months ended September 30, 2023 and 2022 was higher than the U.S. statutory rate primarily due to foreign losses with no associated tax benefit (i.e., full valuation allowance) and an increase in our valuation allowance against certain U.S. federal and state deferred tax assets offset to a lesser extent by tax rate benefits associated with research and development and orphan drug tax credit generations and foreign derived intangible income deductions.

The effective tax rate for the three months ended September 30, 2023 increased as compared to the prior year period primarily due to an increase in foreign losses with no associated tax benefit. The effective tax rate for the nine months ended September 30, 2023 decreased as compared to the prior year period primarily due to greater tax benefits recognized in 2023 associated with research and development and orphan drug tax credit generations, partially offset by a decrease in the tax benefit associated with foreign derived intangible income.

The balance of our unrecognized tax benefits (including penalties and interest) decreased by $2.1 million during the nine months ended September 30, 2023. This movement was primarily driven by reductions related to prior period tax positions of $10.1 million, offset by additions to current and prior period tax positions of $5.3 million, as well as $2.7 million of interest and penalties. We accrue interest and penalties related to unrecognized tax benefits as a component of its provision for income taxes.

In August 2022, the Inflation Reduction Act of 2022 (“IRA”) was enacted into law. The IRA includes a 15% corporate alternative minimum tax and a 1% excise tax on share repurchases. We do not expect the IRA's tax provisions to have a material impact on our consolidated financial statements.

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Net Income Per Share

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Net Income Per Share

Note 12. Net Income Per Share

Net income per share was calculated as follows for the periods indicated below:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Basic net income	$	171,269	$	112,775	$	396,520	$	312,199
Weighted average common shares outstanding	224,078		222,415		223,428		221,801
Basic net income per share	$	0.76	$	0.51	$	1.77	$	1.41
Diluted net income	$	171,269	$	112,775	$	396,520	$	312,199
Weighted average common shares outstanding	224,078		222,415		223,428		221,801
Dilutive stock options and awards	2,089		1,760		2,328		1,825
Weighted average shares used to compute diluted net income per share	226,167		224,175		225,756		223,626
Diluted net income per share	$	0.76	$	0.50	$	1.76	$	1.40

The potential common shares that were excluded from the diluted net income per share computation are as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
Outstanding stock options and awards	12,997,146	11,150,022	11,964,901	10,979,096

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Employee Benefit Plans

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Employee Benefit Plans

Note 13. Employee Benefit Plans

Defined Contribution Plans

We have a defined contribution plan qualified under Section 401(k) of the Internal Revenue Code covering all U.S. employees and defined contribution plans for other Incyte employees in Europe and Japan. Employees may contribute a portion of their compensation, which is then matched by us, subject to certain limitations. Defined contribution expense for the three and nine months ended September 30, 2023 was $5.0 million and $14.6 million, respectively. Defined contribution expense for the three and nine months ended September 30, 2022 was $5.1 million and $14.7 million, respectively.

Defined Benefit Pension Plans

We have defined benefit pension plans for our employees in Europe which provide benefits to employees upon retirement, death or disability. The assets of the pension plans are held in collective investment accounts represented by the cash surrender value of an insurance policy and are classified as Level 2 within the fair value hierarchy.

The net periodic benefit cost was as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Service cost	$	1,999	$	2,376	$	5,820	$	7,336
Interest cost	1,060		61		1,721		187
Expected return on plan assets	(2,017)		(1,008)		(4,293)		(3,114)
Amortization of prior service cost	175		193		554		580
Amortization of actuarial losses	—		89		—		266
Net periodic benefit cost	$	1,217	$	1,711	$	3,802	$	5,255

The components of net periodic benefit cost other than the service cost component are included in Interest income and other, net on the condensed consolidated statements of operations. We expect to contribute a total of $8.0 million to the pension plans in 2023 inclusive of the amounts contributed to the plan during the current period.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 14. Commitments and Contingencies

We have entered into the collaboration agreements described in Note 7, as well as various other collaboration agreements that are not individually, or in the aggregate, significant to our operating results or financial condition at this time. We may in the future seek to license additional rights relating to technologies or drug development candidates in connection with our drug discovery and development programs. Under these agreements, we may be required to pay upfront fees, milestone payments, and royalties on sales of future products.

In the ordinary course of our business, we may become involved in lawsuits, proceedings, and other disputes, including commercial, intellectual property, regulatory, employment, and other matters. We record a reserve for these matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

We brought a lawsuit against the U.S. Centers for Medicare and Medicaid Services (“CMS”) alleging that a recent regulation issued by CMS on the definition of “line extension” for purposes of the Medicaid rebate program is too broad and has the unintended consequence of treating OPZELURA as a “line extension” of JAKAFI under this program. We believe that such a reading would be a violation of CMS’s statutory authority and that it would be arbitrary and capricious to treat OPZELURA which, among other differentiators, is indicated to treat entirely different medical conditions and entirely different patient populations than JAKAFI. As of September 30, 2023, we have accrued approximately $42.9 million within accrued and other current liabilities on the condensed consolidated balance sheet. The impact on OPZELURA gross to net deductions for the quarter ending September 30, 2023 is approximately 6.6%. If OPZELURA is not treated as a line extension of JAKAFI, this would result in a reversal of our accrual and a lower future gross to net deduction for OPZELURA.

In addition, we have an outstanding contractual dispute with Novartis relating to royalties on JAKAFI net sales within the United States. Refer to Note 7.

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net Income (Loss) Attributable to Parent	$ 171,269	$ 203,548	$ 21,703	$ 112,775	$ 161,432	$ 37,992	$ 396,520	$ 312,199

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Insider Trading Arrangements	3 Months Ended	9 Months Ended
	Sep. 30, 2023 shares	Sep. 30, 2023 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Vijay Iyengar [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement		Vijay Iyengar, our Executive Vice President, Global Medical Affairs, Product, and Partnership Strategy, adopted a trading plan on September 15, 2023 providing for the sale of up to an aggregate of 50,672 shares of our common stock until July 31, 2024.
Name	Vijay Iyengar
Title	Executive Vice President, Global Medical Affairs, Product, and Partnership Strategy
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	September 15, 2023
Aggregate Available	50,672	50,672
Thomas Tray [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement		Thomas Tray, our Vice President, Chief Accounting Officer, adopted a trading plan on September 12, 2023 providing for the sale of up to an aggregate of 1,277 shares of our common stock until September 12, 2024.
Name	Thomas Tray
Title	Vice President, Chief Accounting Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	September 12, 2023
Aggregate Available	1,277	1,277

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Basis of presentation

Basis of presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. The condensed consolidated balance sheet as of September 30, 2023, the condensed consolidated statements of operations, comprehensive income (loss), and stockholders’ equity for the three and nine months ended September 30, 2023 and 2022, and the condensed consolidated statements of cash flows for the nine months ended September 30, 2023 and 2022, are unaudited, but include all adjustments, consisting only of normal recurring adjustments, which we consider necessary for a fair presentation of the financial position, operating results and cash flows for the periods presented. The condensed consolidated balance sheet at December 31, 2022 has been derived from our audited consolidated financial statements.

Although we believe that the disclosures in these financial statements are adequate to make the information presented not misleading, certain information and footnote information normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission.

Results for any interim period are not necessarily indicative of results for any future interim period or for the entire year. The accompanying financial statements should be read in conjunction with the financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2022.

Principles of Consolidation

Principles of Consolidation. The condensed consolidated financial statements include the accounts of Incyte Corporation and our wholly owned subsidiaries. All inter-company accounts, transactions, and profits have been eliminated in consolidation.

Use of Estimates

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Other Intangible Assets, net

Other Intangible Assets, net. Other intangible assets, net consist of licensed intellectual property rights acquired in business combinations, which are reported at acquisition date fair value, less accumulated amortization, as well as milestone payments made to collaboration partners incurred at or after the product has obtained regulatory approval. Intangible assets with finite lives are amortized over their estimated useful lives using the straight-line method. Intangible assets with finite lives are tested for recoverability whenever events or changes in circumstances indicate that the carrying amounts may not be recoverable.

Cost of Product Revenues

Cost of Product Revenues. Cost of product revenues includes all product related costs and royalties owed under our collaboration and license agreements, contingent on certain conditions. In addition, cost of product revenues includes the amortization of our licensed intellectual property for ICLUSIG and the amortization of capitalized milestone payments, using the straight-line method over the respective estimated useful lives, which range between approximately 11 to 14 years. Cost of product revenues also includes employee personnel costs, including stock compensation, for those employees dedicated to the production of our commercial products.

Recent Accounting Pronouncements

Recent Accounting PronouncementsThere were no new accounting pronouncements issued nor adopted since our filing of the Annual Report on Form 10-K for the year ended December 31, 2022, which could have a significant effect on our condensed consolidated financial statements.

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Revenues (Tables)

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenue

Revenues are recognized under guidance within ASC 606, Revenue from Contracts with Customers. The following table presents our disaggregated revenue for the periods presented (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
JAKAFI revenues, net	$	636,252	$	619,595	$	1,898,605	$	1,761,732
OPZELURA revenues, net	91,836		38,140		228,621		67,454
ICLUSIG revenues, net	27,721		25,929		84,493		78,222
PEMAZYRE revenues, net	18,942		23,414		62,989		60,429
MINJUVI revenues, net	8,348		5,932		28,063		14,845
ZYNYZ revenues, net	98		—		668		—
Total product revenues, net	783,197		713,010		2,303,439		1,982,682
JAKAVI product royalty revenues	96,551		85,808		263,691		240,386
OLUMIANT product royalty revenues	29,615		20,371		95,779		98,689
TABRECTA product royalty revenues	4,139		4,114		13,115		11,178
PEMAZYRE product royalty revenues	523		—		1,284		—
Total product royalty revenues	130,828		110,293		373,869		350,253
Milestone and contract revenues	5,000		—		5,000		135,000
Total revenues	$	919,025	$	823,303	$	2,682,308	$	2,467,935

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Summary of Marketable Securities Portfolio

The following is a summary of our marketable security portfolio for the periods presented (in thousands):

	Amortized Cost		Net Unrealized Losses		Estimated Fair Value
September 30, 2023
Debt securities (government)	$	290,583	$	(1,360)	$	289,223
December 31, 2022
Debt securities (government)	$	292,580	$	(5,037)	$	287,543

Schedule of Fair Value of Assets Measured on Recurring Basis

The following fair value hierarchy table presents information about each major category of our financial assets measured at fair value on a recurring basis (in thousands):

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2023
Cash and cash equivalents	$	3,227,230	$	—	$	—	$	3,227,230
Debt securities (government)	—		289,223		—		289,223
Long term investments (Note 7)	153,663		—		—		153,663
Total assets	$	3,380,893	$	289,223	$	—	$	3,670,116

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2022
Cash and cash equivalents	$	2,951,422	$	—	$	—	$	2,951,422
Debt securities (government)	—		287,543		—		287,543
Long term investments (Note 7)	133,676		—		—		133,676
Total assets	$	3,085,098	$	287,543	$	—	$	3,372,641

Schedule of Fair Value of Liabilities Measured on Recurring Basis

The following fair value hierarchy table presents information about each major category of our financial liabilities measured at fair value on a recurring basis as (in thousands):

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of September 30, 2023
Acquisition-related contingent consideration	$	—	$	—	$	207,000	$	207,000
Total liabilities	$	—	$	—	$	207,000	$	207,000

	Fair Value Measurement at Reporting Date Using:
	Quoted Prices in Active Markets for Identical Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of December 31, 2022
Acquisition-related contingent consideration	$	—	$	—	$	221,000	$	221,000
Total liabilities	$	—	$	—	$	221,000	$	221,000

Schedule of Roll Forward of Level 3 Liabilities

The following is a rollforward of our Level 3 liabilities (in thousands):

	2023
Balance at January 1,	$	221,000
Contingent consideration earned during the period but not yet paid	(10,684)
Payments made during the period	(17,460)
Change in fair value of contingent consideration	14,144
Balance at September 30,	$	207,000

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Concentration of Credit Risk and Current Expected Credit Losses (Tables)

9 Months Ended

Sep. 30, 2023

Risks and Uncertainties [Abstract]

Schedule of Concentration of Credit Risk Related to Collaborative Partners

The concentration of credit risk related to our JAKAFI, PEMAZYRE and OPZELURA product revenues is as follows:

	Percentage of Total Net Product Revenues for the Three Months Ended				Percentage of Total Net Product Revenues for the Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Customer A	17	%	19	%	17	%	19	%
Customer B	10	%	10	%	10	%	11	%
Customer C	17	%	18	%	18	%	18	%
Customer D	8	%	9	%	9	%	10	%
Customer E	12	%	14	%	11	%	14	%

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Inventory (Tables)

9 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory

Our inventory balance consists of the following (in thousands):

	September 30, 2023		December 31, 2022
Raw materials	$	22,006	$	31,874
Work-in-process	140,370		54,455
Finished goods	36,910		34,630
Total inventory	$	199,286	$	120,959

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Property and Equipment, net (Tables)

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net consists of the following (in thousands):

	September 30, 2023		December 31, 2022
Office equipment	$	23,235	$	22,734
Laboratory equipment	205,466		192,141
Computer equipment	142,888		92,115
Land	10,484		10,429
Building and leasehold improvements	568,733		564,170
Operating lease right-of-use assets	21,938		23,311
Construction in progress	13,567		47,224
	986,311		952,124
Less accumulated depreciation and amortization	(253,265)		(212,814)
Property and equipment, net	$	733,046	$	739,310

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Accrued and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2023

Payables and Accruals [Abstract]

Schedule of Accrued and Other Current Liabilities

Accrued and other current liabilities consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Royalties	$	354,947	$	263,466
Clinical related costs	100,282		130,570
Sales allowances	231,885		192,133
Sales and marketing	36,697		31,149
Construction in progress	11		3,493
Operating lease liabilities	6,181		8,195
Other current liabilities	90,604		72,047
Total accrued and other current liabilities	$	820,607	$	701,053

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Stock compensation (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Valuation Assumptions Used for Valuation of Fair Value of Stock Compensation Granted

We utilized the Black-Scholes valuation model for estimating the fair value of the stock compensation granted, with the following weighted-average assumptions:

	Employee Stock Options												Employee Stock Purchase Plan
	For the Three Months Ended						For the Nine Months Ended						For the Three Months Ended						For the Nine Months Ended
	September 30,												September 30,
	2023			2022			2023			2022			2023			2022			2023			2022
Average risk-free interest rates	4.17		%	2.90		%	3.95		%	2.03		%	5.03		%	4.22		%	4.50		%	3.44		%
Average expected life (in years)	5.16			5.17			5.05			4.88			0.50			0.50			0.50			0.50
Volatility	32		%	35		%	32		%	36		%	24		%	31		%	22		%	27		%
Weighted-average fair value (in dollars)	$	22.32		$	27.57		$	24.68		$	25.96		$	15.36		$	16.46		$	14.72		$	15.38

Schedule of Option Activity Under the 2010 Stock Plan

Option activity under our 2010 Stock Incentive Plan (the “2010 Stock Plan”) was as follows:

	Shares Subject to Outstanding Options
	Shares	Weighted Average Exercise Price
Balance at December 31, 2022	12,650,359	$	87.25
Options granted	1,324,295	$	70.76
Options exercised	(231,417)	$	67.05
Options cancelled	(950,614)	$	91.40
Balance at September 30, 2023	12,792,623	$	85.60

Schedule of RSU Award and PSU Activity Under the 2010 Stock Plan

Restricted stock unit (“RSU”) and performance share (“PSU”) award activity under the 2010 Stock Plan was as follows:

	Shares Subject to Outstanding Awards
	Shares	Grant Date Value
Balance at December 31, 2022	5,187,592	$	81.24
RSUs granted	3,510,406	$	65.41
PSUs granted	300,512	$	61.76
RSUs released	(1,236,318)	$	83.57
PSUs released	(108,712)	$	102.44
RSUs cancelled	(303,726)	$	77.97
PSUs cancelled	(52,392)	$	72.47
Balance at September 30, 2023	7,297,362	$	72.31

Summary of Shares Available for Grant

The following table summarizes our shares available for grant under the 2010 Stock Plan. Each RSU and PSU grant reduces the available share pool by 2 shares.

	Shares Available for Grant
Balance at December 31, 2022	5,056,370
Additional authorization	12,500,000
Options, RSUs and PSUs granted	(8,946,489)
Options, RSUs and PSUs cancelled	1,662,566
Balance at September 30, 2023	10,272,447

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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

For the three and nine months ended September 30, 2023 and 2022, we recorded the following provisions for income taxes and effective tax rates as compared to our income before provision for income taxes (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Income before provision for income taxes	$	233,799	$	148,588	$	563,259	$	448,501
Provision for income taxes	62,530		35,813		166,739		136,302
Effective tax rate	26.7%		24.1%		29.6%		30.4%

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Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Calculation of Net Income (Loss) Per Share

Net income per share was calculated as follows for the periods indicated below:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Basic net income	$	171,269	$	112,775	$	396,520	$	312,199
Weighted average common shares outstanding	224,078		222,415		223,428		221,801
Basic net income per share	$	0.76	$	0.51	$	1.77	$	1.41
Diluted net income	$	171,269	$	112,775	$	396,520	$	312,199
Weighted average common shares outstanding	224,078		222,415		223,428		221,801
Dilutive stock options and awards	2,089		1,760		2,328		1,825
Weighted average shares used to compute diluted net income per share	226,167		224,175		225,756		223,626
Diluted net income per share	$	0.76	$	0.50	$	1.76	$	1.40

Schedule of Antidilutive Securities Excluded From the Computation of Earnings Per Share

The potential common shares that were excluded from the diluted net income per share computation are as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2023	2022	2023	2022
Outstanding stock options and awards	12,997,146	11,150,022	11,964,901	10,979,096

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Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Cost

The net periodic benefit cost was as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Service cost	$	1,999	$	2,376	$	5,820	$	7,336
Interest cost	1,060		61		1,721		187
Expected return on plan assets	(2,017)		(1,008)		(4,293)		(3,114)
Amortization of prior service cost	175		193		554		580
Amortization of actuarial losses	—		89		—		266
Net periodic benefit cost	$	1,217	$	1,711	$	3,802	$	5,255

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Organization and Business (Details)	9 Months Ended
	Sep. 30, 2023 segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments	1

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Summary of Significant Accounting Policies (Details) - ICLUSIG	Sep. 30, 2023
Minimum
Property and equipment, net
Amortization period	11 years
Maximum
Property and equipment, net
Amortization period	14 years

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Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Total revenues	$ 919,025	$ 823,303	$ 2,682,308	$ 2,467,935
Product revenues, net
Revenues
Total revenues	783,197	713,010	2,303,439	1,982,682
JAKAFI
Revenues
Total revenues	636,252	619,595	1,898,605	1,761,732
OPZELURA
Revenues
Total revenues	91,836	38,140	228,621	67,454
ICLUSIG
Revenues
Total revenues	27,721	25,929	84,493	78,222
PEMAZYRE
Revenues
Total revenues	18,942	23,414	62,989	60,429
MINJUVI
Revenues
Total revenues	8,348	5,932	28,063	14,845
ZYNYZ
Revenues
Total revenues	98	0	668	0
Product royalty revenues
Revenues
Total revenues	130,828	110,293	373,869	350,253
JAKAVI Royalty Revenues
Revenues
Total revenues	96,551	85,808	263,691	240,386
OLUMIANT Royalty Revenues
Revenues
Total revenues	29,615	20,371	95,779	98,689
TABRECTA Royalty Revenues
Revenues
Total revenues	4,139	4,114	13,115	11,178
PEMAZYRE Royalty Revenues
Revenues
Total revenues	523	0	1,284	0
Milestone and contract revenues
Revenues
Total revenues	$ 5,000	$ 0	$ 5,000	$ 135,000

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Fair Value of Financial Instruments - Marketable securities portfolio (Details) - Debt securities (government) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Summary of marketable security portfolio
Amortized Cost	$ 290,583	$ 292,580
Net Unrealized Losses	(1,360)	(5,037)
Estimated Fair Value	$ 289,223	$ 287,543
Minimum
Summary of marketable security portfolio
Contractual maturity dates	12 months
Maximum
Summary of marketable security portfolio
Contractual maturity dates	18 months

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Fair Value of Financial Instruments - Assets measured on a recurring basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair value of financial instruments
Long term investments	$ 153,663	$ 133,676	[1]
Fair Value, Recurring | Estimate of Fair Value Measurement
Fair value of financial instruments
Cash and cash equivalents	3,227,230	2,951,422
Debt securities (government)	289,223	287,543
Long term investments	153,663	133,676
Total assets	3,670,116	3,372,641
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Recurring
Fair value of financial instruments
Cash and cash equivalents	3,227,230	2,951,422
Debt securities (government)	0	0
Long term investments	153,663	133,676
Total assets	3,380,893	3,085,098
Significant Other Observable Inputs (Level 2) | Fair Value, Recurring
Fair value of financial instruments
Cash and cash equivalents	0	0
Debt securities (government)	289,223	287,543
Long term investments	0	0
Total assets	289,223	287,543
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring
Fair value of financial instruments
Cash and cash equivalents	0	0
Debt securities (government)	0	0
Long term investments	0	0
Total assets	$ 0	$ 0

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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Fair Value of Financial Instruments - Liabilities measured on a recurring basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Estimate of Fair Value Measurement
Fair value of financial instruments
Acquisition-related contingent consideration	$ 207,000	$ 221,000
Total liabilities	207,000	221,000
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of financial instruments
Acquisition-related contingent consideration	0	0
Total liabilities	0	0
Significant Other Observable Inputs (Level 2)
Fair value of financial instruments
Acquisition-related contingent consideration	0	0
Total liabilities	0	0
Significant Unobservable Inputs (Level 3)
Fair value of financial instruments
Acquisition-related contingent consideration	207,000	221,000
Total liabilities	$ 207,000	$ 221,000

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Fair Value of Financial Instruments - Level 3 liabilities (Details) - Significant Unobservable Inputs (Level 3) - Estimate of Fair Value Measurement $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Roll forward of Level 3 liabilities
Balance at the beginning of the period	$ 221,000
Contingent consideration earned during the period but not yet paid	(10,684)
Payments made during the period	(17,460)
Change in fair value of contingent consideration	14,144
Balance at the end of the period	$ 207,000

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Fair Value of Financial Instruments - Narrative (Details) - ARIAD $ in Millions		9 Months Ended	12 Months Ended
	Jun. 01, 2016	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Accrued and Other Current Liabilities
Fair value of financial instruments
Contingent consideration earned during the period but not yet paid		$ 10.7	$ 9.3
Liability
Fair value of financial instruments
Projected cash flows period	18 years
Liability | Measurement Input, Discount Rate
Fair value of financial instruments
Valuation input (as a percent)	0.10	0.10	0.10

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Concentration of Credit Risk and Current Expected Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Concentration of risk
Allowance for doubtful accounts	$ 0.0		$ 0.0		$ 0.0
Collaboration Partner A, B, C and D | Accounts Receivable | Credit Concentration Risk
Concentration of risk
Percentage of concentration risk			21.00%		20.00%
Customer A | Revenue, Product and Service Benchmark | Customer Concentration Risk
Concentration of risk
Percentage of concentration risk	17.00%	19.00%	17.00%	19.00%
Customer B | Revenue, Product and Service Benchmark | Customer Concentration Risk
Concentration of risk
Percentage of concentration risk	10.00%	10.00%	10.00%	11.00%
Customer C | Revenue, Product and Service Benchmark | Customer Concentration Risk
Concentration of risk
Percentage of concentration risk	17.00%	18.00%	18.00%	18.00%
Customer D | Revenue, Product and Service Benchmark | Customer Concentration Risk
Concentration of risk
Percentage of concentration risk	8.00%	9.00%	9.00%	10.00%
Customer E | Revenue, Product and Service Benchmark | Customer Concentration Risk
Concentration of risk
Percentage of concentration risk	12.00%	14.00%	11.00%	14.00%
Customer A, B, C, D, and E | Accounts Receivable | Credit Concentration Risk
Concentration of risk
Percentage of concentration risk			33.00%		41.00%

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Inventory (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Raw materials	$ 22,006	$ 31,874
Work-in-process	140,370	54,455
Finished goods	36,910	34,630
Total inventory	199,286	120,959
Inventories - current	57,200	41,995	[1]
Inventories-noncurrent	142,086	$ 78,964	[1]
Inventory incurred prior to FDA approval	$ 36,700
Minimum
Period of lower average per unit cost of materials	12 months
Maximum
Period of lower average per unit cost of materials	18 months

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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License Agreements - Novartis (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended		167 Months Ended
	Sep. 30, 2023	Nov. 30, 2009	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Dec. 31, 2022
License Agreements
Total revenues			$ 919,025,000	$ 823,303,000	$ 2,682,308,000	$ 2,467,935,000
Product royalty revenues
License Agreements
Total revenues			130,828,000	110,293,000	373,869,000	350,253,000
JAKAFI
License Agreements
Total revenues			636,252,000	619,595,000	1,898,605,000	1,761,732,000
Milestone and contract revenues
License Agreements
Total revenues			5,000,000	0	5,000,000	135,000,000
Novartis
License Agreements
Royalties payable	$ 341,500,000		341,500,000		341,500,000		$ 341,500,000	$ 253,500,000
Novartis | JAKAVI | Non-US
License Agreements
Royalties payable on net sales			96,600,000	85,800,000	263,700,000	240,400,000
Novartis | JAKAFI | UNITED STATES
License Agreements
Royalties payable on net sales			31,100,000	30,300,000	88,000,000	81,300,000
Novartis | Milestone and contract revenues
License Agreements
Total revenues			5,000,000	0	5,000,000	60,000,000
Novartis | TABRECTA PROD SERV | Non-US
License Agreements
Royalties payable on net sales			$ 4,100,000	$ 4,100,000	$ 13,100,000	$ 11,200,000
Minimum | Novartis | JAKAVI
License Agreements
Royalty payments on future global net sales (as a percent)					12.00%
Maximum | Novartis | JAKAVI
License Agreements
Royalty payments on future global net sales (as a percent)					14.00%
Development Milestones | Novartis
License Agreements
Amount recognized and received for the achievement of a predefined milestone							157,000,000
Development Milestones | Maximum | Novartis
License Agreements
Upfront and immediate milestone payment to be received under license agreement		$ 174,000,000
Regulatory Milestones | Novartis
License Agreements
Amount recognized and received for the achievement of a predefined milestone	$ 5,000,000						345,000,000
Regulatory Milestones | Maximum | Novartis
License Agreements
Upfront and immediate milestone payment to be received under license agreement		495,000,000
Commercialization Milestones | Novartis
License Agreements
Amount recognized and received for the achievement of a predefined milestone							$ 200,000,000
Commercialization Milestones | Maximum | Novartis
License Agreements
Upfront and immediate milestone payment to be received under license agreement		500,000,000
Development and Regulatory Milestones | Maximum | Novartis
License Agreements
Upfront and immediate milestone payment to be received under license agreement		$ 75,000,000

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License Agreements - Lilly (Details) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended		166 Months Ended
	Mar. 31, 2022	May 31, 2019	Dec. 31, 2009	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Mar. 31, 2016
License Agreements
Total revenues				$ 919,025	$ 823,303	$ 2,682,308	$ 2,467,935
OLUMIANT Royalty Revenues
License Agreements
Total revenues				29,615	20,371	95,779	98,689
Eli Lilly | OLUMIANT
License Agreements
Total revenues				0	0	0	70,000
Eli Lilly | OLUMIANT Royalty Revenues | Non-US
License Agreements
Royalties payable on net sales				$ 29,600	$ 20,400	$ 95,800	$ 98,700
Development Milestones | Eli Lilly
License Agreements
Amount recognized and received for the achievement of a predefined milestone								$ 149,000
Development Milestones | Maximum | Eli Lilly
License Agreements
Upfront and immediate milestone payment to be received under license agreement			$ 150,000
Regulatory Milestones | Eli Lilly
License Agreements
Amount recognized and received for the achievement of a predefined milestone								335,000
Regulatory Milestones | Eli Lilly | GVHD
License Agreements
Milestone payment made under license agreement		$ 20,000
Regulatory Milestones | Eli Lilly | GVHD | Europe
License Agreements
Milestone payment made under license agreement	$ 20,000
Regulatory Milestones | Maximum | Eli Lilly
License Agreements
Upfront and immediate milestone payment to be received under license agreement			365,000
Regulatory Milestones | Maximum | Eli Lilly | GVHD
License Agreements
Additional milestone payments under the license agreement									$ 40,000
Commercialization Milestones | Eli Lilly
License Agreements
Amount recognized and received for the achievement of a predefined milestone								$ 50,000
Commercialization Milestones | Maximum | Eli Lilly
License Agreements
Upfront and immediate milestone payment to be received under license agreement			$ 150,000

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License Agreements - Agenus (Details) - USD ($)	3 Months Ended		9 Months Ended		105 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	May 31, 2023	Dec. 31, 2022
License Agreements
Fair market long term investments	$ 153,663,000		$ 153,663,000		$ 153,663,000		$ 133,676,000	[1]
Unrealized gain (loss) on long term investments	$ (26,654,000)	$ (660,000)	$ 9,839,000	$ (72,142,000)
Agenus
License Agreements
Common stock held from investment (in shares)	12,100,000		12,100,000		12,100,000
Fair market long term investments	$ 13,600,000		$ 13,600,000		$ 13,600,000		$ 29,000,000
Unrealized gain (loss) on long term investments	(5,600,000)	$ 1,300,000	(15,300,000)	$ (14,100,000)
MiNK
License Agreements
Fair market long term investments	200,000		200,000		200,000
Unrealized gain (loss) on long term investments	(200,000)		0
Shares acquired due to distribution of dividend (in shares)						200,000
Development, Regulatory and Commercialization Milestones | Agenus
License Agreements
Milestone payment made under license agreement					30,000,000
Additional milestone payments under the license agreement	$ 500,000,000		$ 500,000,000		$ 500,000,000

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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License Agreements - Merus (Details) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended		82 Months Ended
	Aug. 31, 2023 USD ($) shares	Jan. 31, 2023 USD ($)	Dec. 31, 2016 item	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Dec. 31, 2022 USD ($)
License Agreements
Unrealized (loss) gain on long term investments				$ (26,654)	$ (660)	$ 9,839	$ (72,142)
Merus
License Agreements
Purchase of common stock under Stock Purchase Agreement (in shares ) | shares	500,000
Purchase price of common stock	$ 10,000
Common stock held from investment (in shares) | shares				4,000,000		4,000,000		4,000,000
Fair market value of our long term investments				$ 94,400		$ 94,400		$ 94,400	$ 54,900
Unrealized (loss) gain on long term investments				$ (9,100)	$ (9,300)	$ 29,500	$ (41,800)
Merus
License Agreements
Number of independent programs | item			10
Milestone payment made under license agreement	$ 2,500	$ 2,500						$ 8,000

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License Agreements - MacroGenics (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Mar. 31, 2023	Jul. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
License Agreements
Research and development			$ 375,709	$ 384,007	$ 1,183,100	$ 1,084,576
MacroGenics
License Agreements
Research and development			12,900	$ 41,600	42,800	$ 69,900
MacroGenics | Accrued Liabilities
License Agreements
Accrued and other liabilities			800		$ 800		$ 2,900
MacroGenics | Minimum
License Agreements
Royalty payments on future global net sales (as a percent)					15.00%
MacroGenics | Maximum
License Agreements
Royalty payments on future global net sales (as a percent)					24.00%
Regulatory Milestone | MacroGenics
License Agreements
Milestone payment made under license agreement	$ 15,000
Milestone payment, estimated useful life					13 years 6 months
Development and Regulatory Milestones | MacroGenics | Maximum
License Agreements
Additional milestone payments under the license agreement			320,000		$ 320,000
Development Milestones | MacroGenics
License Agreements
Milestone payment made under license agreement		$ 30,000
Developmental And Regulatory Milestones | MacroGenics
License Agreements
Milestone payment made under license agreement					115,000
Commercialization Milestones | MacroGenics | Maximum
License Agreements
Additional milestone payments under the license agreement			$ 330,000		$ 330,000

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License Agreements - Syros (Details) shares in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2018 item	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
License Agreements
Fair market long term investments		$ 153,663,000		$ 153,663,000		$ 133,676,000	[1]
Unrealized gain (loss) on long term investments		$ (26,654,000)	$ (660,000)	$ 9,839,000	$ (72,142,000)
Syros Pharmaceuticals, Inc.
License Agreements
Common stock held from investment (in shares) | shares		0.1		0.1
Fair market long term investments		$ 400,000		$ 400,000		$ 300,000
Unrealized gain (loss) on long term investments		$ 100,000	$ (300,000)	$ 0	$ (2,500,000)
Syros Pharmaceuticals, Inc.
License Agreements
Number of program targets | item	7

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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License Agreements - MorphoSys (Details) $ in Thousands	3 Months Ended		9 Months Ended		45 Months Ended
	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Jan. 31, 2020 USD ($)
License Agreements
Unrealized gain (loss) on long term investments	$ (26,654)	$ (660)	$ 9,839	$ (72,142)
Loss and (profit) sharing under collaboration agreements	1,053	1,769	(858)	9,055
Research and development expense	$ 375,709	384,007	$ 1,183,100	1,084,576
MorphoSys AG
License Agreements
Common stock held from investment (in shares) | shares	3,600,000		3,600,000		3,600,000
Share conversion	0.25		0.25		0.25
Fair market value of our long term investments	$ 24,400		$ 24,400		$ 24,400	$ 13,000
Unrealized gain (loss) on long term investments	(2,700)	800	11,400	(15,900)
MorphoSys AG
License Agreements
Research and development expense	13,000	21,900	58,500	70,400
Accrued and other liabilities	12,400		$ 12,400		12,400	$ 28,500
MorphoSys AG | UNITED STATES
License Agreements
Profit (loss) sharing ratio			50.00%
MorphoSys AG | UNITED STATES | Tafasitamab Product and Service
License Agreements
Loss and (profit) sharing under collaboration agreements	$ 1,100	$ 1,800	$ (900)	$ 9,100
MorphoSys AG | Development and Regulatory Milestones
License Agreements
Milestone payment made under license agreement					$ 2,500
MorphoSys AG | Development and Regulatory Milestones | Maximum
License Agreements
Additional milestone payments under the license agreement							$ 737,500
MorphoSys AG | Commercialization Milestones | Maximum
License Agreements
Additional milestone payments under the license agreement							$ 315,000
MorphoSys AG | MorphoSys AG
License Agreements
Funding of future development costs (as a percent)			45.00%
MorphoSys AG | Incyte
License Agreements
Funding of future development costs (as a percent)			55.00%

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License Agreements - Syndax (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
License Agreements
Fair market long term investments			$ 153,663		$ 153,663		$ 133,676	[1]
Unrealized gain (loss) on long term investments			(26,654)	$ (660)	9,839	$ (72,142)
Research and development			$ 375,709	384,007	$ 1,183,100	1,084,576
Investment in Syndax
License Agreements
Common stock held from investment (in shares)			1,400,000		1,400,000
Fair market long term investments			$ 20,600		$ 20,600		$ 36,200
Unrealized gain (loss) on long term investments			(9,200)	$ 6,800	(15,600)	$ 3,100
Syndax
License Agreements
Upfront payment under license agreement	$ 117,000
Research and development			5,100		16,900
Syndax | Accrued Liabilities
License Agreements
Accrued and other liabilities			7,300		7,300
Syndax | Development and Regulatory Milestones | Maximum
License Agreements
Additional milestone payments under the license agreement			220,000		220,000
Syndax | Commercialization Milestones | Maximum
License Agreements
Additional milestone payments under the license agreement			$ 230,000		$ 230,000
Syndax | Incyte
License Agreements
Funding of future development costs (as a percent)					55.00%
UNITED STATES | Syndax | Syndax
License Agreements
Funding of future development costs (as a percent)		45.00%
UNITED STATES | Syndax | Incyte
License Agreements
Funding of future development costs (as a percent)		55.00%

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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Property and Equipment, net - Property and equipment, net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property and equipment, net
Property and Equipment, gross	$ 986,311	$ 952,124
Less accumulated depreciation and amortization	(253,265)	(212,814)
Property and equipment, net	733,046	739,310	[1]
Office equipment
Property and equipment, net
Property and Equipment, gross	23,235	22,734
Laboratory equipment
Property and equipment, net
Property and Equipment, gross	205,466	192,141
Computer equipment
Property and equipment, net
Property and Equipment, gross	142,888	92,115
Land
Property and equipment, net
Property and Equipment, gross	10,484	10,429
Building and leasehold improvements
Property and equipment, net
Property and Equipment, gross	568,733	564,170
Operating lease right-of-use assets
Property and equipment, net
Property and Equipment, gross	21,938	23,311
Construction in progress
Property and equipment, net
Property and Equipment, gross	$ 13,567	$ 47,224

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accrued and Other Current Liabilities
Royalties	$ 354,947	$ 263,466
Clinical related costs	100,282	130,570
Sales allowances	231,885	192,133
Sales and marketing	36,697	31,149
Construction in progress	11	3,493
Operating lease liabilities	6,181	8,195
Other current liabilities	90,604	72,047
Total accrued and other current liabilities	$ 820,607	$ 701,053	[1]

[1] The condensed consolidated balance sheet at December 31, 2022 has been derived from the audited consolidated financial statements at that date.

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Stock Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Stock compensation
Stock compensation expense	$ 48.0	$ 45.4	$ 155.9	$ 135.7
Dividend yield (as a percent)			0.00%
Assumed annualized forfeiture rate (as a percent)			5.00%
Share-based Payment Arrangement, Option
Stock compensation
Stock option grant term			10 years
Vesting period			4 years
Percentage of units vesting at the end of each calendar year (as a percent)			25.00%
Unrecognized compensation cost for nonvested option (in dollars)	37.1		$ 37.1
Vesting period of recognition of the unrecognized compensation cost of nonvested awards			1 year 2 months 12 days
Share-based Payment Arrangement, Option | Share-based Payment Arrangement, Tranche One
Stock compensation
Vesting period			1 year
Share-based Payment Arrangement, Option | Share-based Payment Arrangement, Tranche Two
Stock compensation
Vesting period			36 months
Restricted Stock Units (RSUs)
Stock compensation
Vesting period			4 years
Percentage of units vesting at the end of each calendar year (as a percent)			25.00%
Number of shares awarded for each RSU (in shares)			1
Unrecognized compensation cost for nonvested option (in dollars)	278.1		$ 278.1
Vesting period of recognition of the unrecognized compensation cost of nonvested awards			2 years
Performance Shares
Stock compensation
Stock compensation expense	4.2	3.2	$ 13.4	5.1
Unrecognized compensation cost for nonvested option (in dollars)	24.1		$ 24.1
Vesting period of recognition of the unrecognized compensation cost of nonvested awards			2 years 1 month 6 days
Performance Shares | Minimum
Stock compensation
Vesting period			3 years
Performance Shares | Maximum
Stock compensation
Vesting period			4 years
Research and Development Expense
Stock compensation
Stock compensation expense	26.9	25.8	$ 90.7	80.2
Selling, General and Administrative Expenses
Stock compensation
Stock compensation expense	20.3	18.9	62.8	53.5
Cost of Sales
Stock compensation
Stock compensation expense	$ 0.8	$ 0.7	$ 2.4	$ 2.0

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Stock Compensation - Valuation assumptions used for value of stock compensation granted (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Employee Stock Purchase Plan
Weighted-average fair value assumptions
Average risk-free interest rates (as a percent)	5.03%	4.22%	4.50%	3.44%
Average expected life (in years)	6 months	6 months	6 months	6 months
Volatility (as a percent)	24.00%	31.00%	22.00%	27.00%
Weighted-average fair value (in dollars per share)	$ 15.36	$ 16.46	$ 14.72	$ 15.38
Employee Stock Option
Weighted-average fair value assumptions
Average risk-free interest rates (as a percent)	4.17%	2.90%	3.95%	2.03%
Average expected life (in years)	5 years 1 month 28 days	5 years 2 months 1 day	5 years 18 days	4 years 10 months 17 days
Volatility (as a percent)	32.00%	35.00%	32.00%	36.00%
Weighted-average fair value (in dollars per share)	$ 22.32	$ 27.57	$ 24.68	$ 25.96

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Stock Compensation - Option activity under the 2010 stock plan (Details) - Share-based Payment Arrangement, Option	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Option Activity Shares
Outstanding at the beginning of the period (in shares) | shares	12,650,359
Options granted (in shares) | shares	1,324,295
Options exercised (in shares) | shares	(231,417)
Options cancelled (in shares) | shares	(950,614)
Outstanding at the end of the period (in shares) | shares	12,792,623
Stock Options Weighted Average Price
Weighted average price of options at the beginning of the period (in USD per share) | $ / shares	$ 87.25
Granted (in USD per share) | $ / shares	70.76
Exercised (in USD per share) | $ / shares	67.05
Cancelled (in USD per share) | $ / shares	91.40
Weighted average price of options at the end of the period (in USD per share) | $ / shares	$ 85.60

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Stock Compensation - RSU award and PSU activity under the 2010 stock plan (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
RSU and PSU Activity Shares
Outstanding at the beginning of the period (in shares) | shares	5,187,592
Outstanding at the end of the period (in shares) | shares	7,297,362
RSU and PSU Grant Price
Grant date value of shares outstanding at the beginning of the period (in USD per share) | $ / shares	$ 81.24
Grant date value of shares at the end of the period (in USD per share) | $ / shares	$ 72.31
Restricted Stock Units (RSUs)
RSU and PSU Activity Shares
Granted (in shares) | shares	3,510,406
Released (in shares) | shares	(1,236,318)
Cancelled (in shares) | shares	(303,726)
RSU and PSU Grant Price
Granted (in USD per share) | $ / shares	$ 65.41
Released (in USD per share) | $ / shares	83.57
Cancelled (in USD per share) | $ / shares	$ 77.97
Performance Shares
RSU and PSU Activity Shares
Granted (in shares) | shares	300,512
Released (in shares) | shares	(108,712)
Cancelled (in shares) | shares	(52,392)
RSU and PSU Grant Price
Granted (in USD per share) | $ / shares	$ 61.76
Released (in USD per share) | $ / shares	102.44
Cancelled (in USD per share) | $ / shares	$ 72.47

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Stock Compensation - Shares available for grant (Details)	9 Months Ended
	Sep. 30, 2023 shares
Available Shares for Grant
Beginning Balance (in shares)	5,056,370
Additional authorization (in shares)	12,500,000
Options, RSUs and PSUs granted (in shares)	(8,946,489)
Options, RSUs and PSUs cancelled (in shares)	1,662,566
Ending Balance (in shares)	10,272,447

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Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 233,799	$ 148,588	$ 563,259	$ 448,501
Provision for income taxes	$ 62,530	$ 35,813	$ 166,739	$ 136,302
Effective tax rate	26.70%	24.10%	29.60%	30.40%

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Income Taxes - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Income Tax Disclosure [Abstract]
Decrease in unrecognized tax benefits	$ 2.1
Reductions related to prior period tax positions	10.1
Unrecognized tax benefits current and prior period tax positions	5.3
Interest and penalties	$ 2.7

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Net Income Per Share - Net income (loss) per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Basic Net Income (Loss) Per Share
Basic net income	$ 171,269	$ 112,775	$ 396,520	$ 312,199
Weighted average common shares outstanding (in shares)	224,078	222,415	223,428	221,801
Basic net income per share ( in USD per share)	$ 0.76	$ 0.51	$ 1.77	$ 1.41
Diluted Net Income (Loss) Per Share
Diluted net income	$ 171,269	$ 112,775	$ 396,520	$ 312,199
Weighted average common shares outstanding (in shares)	224,078	222,415	223,428	221,801
Dilutive stock options and awards ( in shares)	2,089	1,760	2,328	1,825
Weighted average shares used to compute diluted net income per share ( in shares)	226,167	224,175	225,756	223,626
Diluted net income per share ( in USD per share)	$ 0.76	$ 0.50	$ 1.76	$ 1.40

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Net Income Per Share - Antidilutive securities (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Payment Arrangement
Anti-dilutive securities
Outstanding stock options and awards	12,997,146	11,150,022	11,964,901	10,979,096

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Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retirement Benefits [Abstract]
Defined contribution expense	$ 5.0	$ 5.1	$ 14.6	$ 14.7
Location of costs excluding the service component			Interest income and other, net
Current year expected contributions total	$ 8.0		$ 8.0

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Employee Benefit plans - Net periodic benefit cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retirement Benefits [Abstract]
Service cost	$ 1,999	$ 2,376	$ 5,820	$ 7,336
Interest cost	1,060	61	1,721	187
Expected return on plan assets	(2,017)	(1,008)	(4,293)	(3,114)
Amortization of prior service cost	175	193	554	580
Amortization of actuarial losses	0	89	0	266
Net periodic benefit cost	$ 1,217	$ 1,711	$ 3,802	$ 5,255

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Commitments and Contingencies (Details) - JAKAFI - U.S. Centers for Medicare and Medicaid Services $ in Millions	3 Months Ended
	Sep. 30, 2023 USD ($)
Loss Contingencies [Line Items]
Loss contingences, gross to net deduction percentage	6.60%
Accrued and Other Current Liabilities
Loss Contingencies [Line Items]
Loss contingency accrual	$ 42.9