Zymeworks Announces Share Repurchase Program of up to $125 Million of its Common Stock

VANCOUVER, British Columbia, May 14, 2026 (GLOBE NEWSWIRE) -- Zymeworks Inc. (Nasdaq: ZYME), a biotechnology company managing a portfolio of licensed healthcare assets while developing a diverse pipeline of novel, multifunctional biotherapeutics, today announced that its Board of Directors has authorized a 2026 share repurchase program under which the Company may repurchase up to $125.0 million of its outstanding common stock, par value $0.00001 per share. Concurrently, Zymeworks has terminated its existing 2025 share repurchase program under which the Company has repurchased 4,197,553 million shares of common stock for $102.3 million, representing an average purchase price of $24.36 per common share.