• ImmuneOnco Biopharmaceuticals (Shanghai) filed a next-day disclosure return reporting a 44,800 H-share buyback on Sept. 4.
• Shares were repurchased on HKEX at HKD 3.44 to HKD 3.55 each; aggregate consideration HKD 155,424.
• Total repurchased shares: 44,800; cancelled: 0; treasury shares rose to 2,066,600.

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. Immuneonco Biopharmaceuticals (Shanghai) Co. Ltd. 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-20260904-12321520), on September 04, 2026, and is solely responsible for the information contained therein.