Rubric Capital Management LP - 31 Dec 2025 SCHEDULE 13G/A Report for Zymeworks Inc. Common Stock, $0.00001 par value per share (ZYME)

Filing Manager
Rubric Capital Management LP
Reporting Manager
Rubric Capital Management LP
Security
Zymeworks Inc. Common Stock, $0.00001 par value per share
Symbol
ZYME
Shares outstanding
74,869,792 shares
Disclosed Ownership
5,750,000 shares
Ownership
7.7%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 16:27:32 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Rubric Capital Management LP 7.7% 5,750,000 0 5,750,000 /s/ Michael Nachmani Michael Nachmani / Chief Operating Officer
David Rosen 7.7% 5,750,000 0 5,750,000 /s/ David Rosen David Rosen / Individually