Amgen terminates Kyowa Kirin license and collaboration agreement from June 2021
Amgen and Kyowa Kirin signed a Termination Agreement on January 30, 2026, to end their License and Collaboration Agreement dated June 1, 2021. The termination takes effect only after regulatory approval is received, and the filing gives no financial terms or reasons.
Key points
- Termination Agreement dated January 30, 2026 with Kyowa Kirin Co., Ltd.
- Ends the License and Collaboration Agreement dated June 1, 2021
- Termination is effective upon receipt of regulatory approval
- Agreement filed as Exhibit 10.1; portions omitted as not material
The filing
Written by AI on Nov 8, 2026, 2:16 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 30, 2026.
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