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Form SCHEDULE 13G/A Zymeworks Inc. Filed by: Rubric Capital Management LP

May 15, 2026 4:15 PM





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G





SCHEDULE 13G





SCHEDULE 13G



Rubric Capital Management LP
Signature:/s/ Michael Nachmani
Name/Title:Michael Nachmani / Chief Operating Officer
Date:05/15/2026
David Rosen
Signature:/s/ David Rosen
Name/Title:David Rosen / Individually
Date:05/15/2026

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