Zymeworks Inc. — Director's Dealing 2026

Jan 8, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Zymeworks Inc. (ZYME)
CIK: 0001937653
Period of Report: 2026-01-06

Reporting Person: PATTERSON LEONE D (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-06	Common Stock	A	459	$10.55	Acquired	459	Direct

Footnotes

F1: Shares of common stock purchased pursuant to the Issuer's Amended and Restated Employee Stock Purchase Plan (ESPP) for the ESPP purchase period July 1, 2025 through December 31, 2025. In accordance with the ESPP, the shares of common stock were purchased at a price equal to 85% of the closing price of the Issuer's common stock on July 1, 2025.