Robert E. Landry - 12 Jan 2026 Form 4 Insider Report for Zymeworks Inc. (ZYME)

Role
Director
Signature
/s/ Daniel Dex, Attorney-in-Fact
Issuer symbol
ZYME
Transactions as of
12 Jan 2026
Net transactions value
$0
Form type
4
Filing time
12 Jan 2026, 20:56:39 UTC
Previous filing
12 Aug 2025

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 12 Jan 2026 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 +11,500 $0.000000 11,500 12 Jan 2026 Common Stock 11,500 $23.16 Direct F1
transaction ZYME Restricted Stock Unit Award $0 +7,700 $0.000000 7,700 12 Jan 2026 Common Stock 7,700 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Stock options vest on January 12, 2027.
F2 Each restricted stock unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of common stock.
F3 RSUs vest on January 12, 2027.