UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 29, 2019

Zymeworks Inc.

(Exact name of registrant as specified in its charter)

British Columbia, Canada	001-38068	47-2569713
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)
Suite 540, 1385 West 8th Avenue, Vancouver, British Columbia, Canada		V6H 3V9
(Address of principal executive offices)		(Zip Code)

(604) 678-1388

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, no par value per share	ZYME	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ☒

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

Item 8.01 OTHER EVENTS

The following information is filed pursuant to Item 8.01, “Other Events.”

On May 29, 2019, Zymeworks Inc. (“Zymeworks”) issued a press release announcing that it has earned a milestone payment from Merck (known as MSD outside the US and Canada) achieved under the companies’ 2014 research and license agreement. Zymeworks will receive US$2.0 million in connection with Merck’s completion of a late-stage preclinical study for a bispecific antibody candidate using Zymeworks’ proprietary Azymetric™ and EFECT™ therapeutic platforms. A copy of this press release is filed as exhibit 99.1 hereto.

Item 9.01. FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits

Exhibit No.	Description
99.1	Press Release issued by Zymeworks Inc. on May 29, 2019

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.

	ZYMEWORKS INC.
	(Registrant)
Date: May 29, 2019	By:	/s/ Neil Klompas
	Name:	Neil Klompas
	Title:	Chief Financial Officer