DALLAS, Jan. 06, 2026 (GLOBE NEWSWIRE) -- Instil Bio, Inc. (Nasdaq: TIL) (“Instil”) today announced that Axion Bio, Inc. (“Axion”), a wholly-owned subsidiary of Instil, has decided to discontinue clinical development of AXN-2510 and that Axion and ImmuneOnco Biopharmaceuticals (Shanghai) Inc. (HKEX: 1541.HK) (“ImmuneOnco”) have entered into an agreement terminating their license and collaboration agreement for AXN-2510 and AXN-27M (“Termination Agreement”). Under the terms of the Termination Agreement, all rights previously licensed to Axion, including global development and commercial rights outside Greater China, have reverted to ImmuneOnco, subject to a limited license to Axion to wind down its clinical development activities.