Robert E. Landry - Aug 11, 2025 Form 4 Insider Report for Zymeworks Inc. (ZYME)

Role
Director
Signature
/s/ Daniel Dex, Attorney-in-Fact
Stock symbol
ZYME
Transactions as of
Aug 11, 2025
Transactions value $
$0
Form type
4
Date filed
8/12/2025, 08:30 PM
Previous filing
Aug 12, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Landry Robert E Director C/O ZYMEWORKS INC., 108 PATRIOT DRIVE, SUITE A, MIDDLETOWN /s/ Daniel Dex, Attorney-in-Fact 2025-08-12 0001585160

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ZYME Stock Option (Right to Buy) Award $0 +62K $0.00 62K Aug 11, 2025 Common Stock 62K $12.44 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Stock options vest in 36 equal monthly installments starting one month after grant date of August 11, 2025.