• Alphamab Oncology repurchased 110,000 shares on Sept. 3, holding them as treasury shares.
• Buyback price range HKD 8.8 to HKD 8.9; volume-weighted average price HKD 8.85.
• Total consideration HKD 973,910; cancelled shares: 0.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Alphamab Oncology published the original content used to generate this news brief via IIS, the regulatory disclosure system operated by the Hong Kong Stock Exchange (HKex) (Ref. ID: HKEX-EPS-20260903-12319385), on September 03, 2026, and is solely responsible for the information contained therein.