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Zymeworks Inc.

For the period ended Dec 31, 2025. Filed Mar 2, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 2, 2026

ZYME$30.81+4.0%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Dated: March 2, 2026

ZYMEWORKS INC.
By:/s/ Kenneth Galbraith
Name:Kenneth Galbraith
Title:Chair of the Board of Directors, President and Chief Executive Officer (Principal Executive Officer) and Interim Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Kenneth Galbraith as his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him or her and in their name, place and stead, in any and all capacities, to sign any amendments to this Annual Report on Form 10-K and to file the same, with Exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-in-fact, or substitute or substitutes may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

SignatureTitleDate
/s/ Kenneth GalbraithChair of the Board of Directors, President and Chief Executive Officer (Principal Executive Officer) and Interim Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)March 2, 2026
Kenneth Galbraith
/s/ Alessandra CesanoDirectorMarch 2, 2026
Alessandra Cesano
/s/ Susan MahonyDirectorMarch 2, 2026
Susan Mahony
/s/ Kelvin NeuDirectorMarch 2, 2026
Kelvin Neu
/s/ Carlos CampoyDirectorMarch 2, 2026
Carlos Campoy
/s/ Gregory A. CiongoliDirectorMarch 2, 2026
Gregory A. Ciongoli
/s/ Robert E. LandryDirectorMarch 2, 2026
Robert E. Landry
/s/ Brian N. CherryDirectorMarch 2, 2026
Brian N. Cherry
/s/ Oleg NodelmanDirectorMarch 2, 2026
Oleg Nodelman
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.