Zymeworks terminates CFO, reports ~$270.6M cash; new COO and CMO appointed

Zymeworks Inc.

CFO Leone Patterson terminated without cause Jan 9; CEO Kenneth Galbraith appointed interim CFO.
Preliminary cash $270.6M as of Dec 31, 2025; expects $440M milestones from Ziihera approvals in US/EU/Japan/China.
$125M share repurchase plan announced Nov 2025; cash runway guided beyond 2028.
Mark Hollywood promoted to COO (base salary $525K); Brian Cherry appointed Class II director.
CMO Jeffrey Smith retiring Jan 31; Sabeen Mekan appointed CMO effective Feb 1, 2026.

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