On November 18, 2025, in connection with its decision not to pursue further development of CLN-617, Cullinan Amber Corp. (the "Company"), a subsidiary of Cullinan Therapeutics, Inc. notified Massachusetts Institute of Technology ("MIT") of its decision to terminate the Exclusive Patent License Agreement, dated December 20, 2019 between the Company and MIT, as amended from time to time (the "License Agreement"), effective as of February 18, 2026. Pursuant to the License Agreement, MIT had granted the Company exclusive worldwide rights to the technology underlying CLN-617 to develop a cancer immunotherapy product worldwide. In connection with the termination of the License Agreement, the Company will return the licensed patent rights for the technology underlying CLN-617 to MIT.

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(Filing, 8-K, Cullinan Oncology, NOV 18, 2025, View Source [SID1234660861])