144 0001584759 XXXXXXXX LIVE 0001672619 Enliven Therapeutics, Inc. 001-39247 205 PARK ROAD BURLINGAME CA 94010 650-547-5814 Heyman Richard A. resigned from BOD Common Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

38000 2252830.00 60904946 09/04/2026 NASDAQ Common 10/23/2020 Stock Options Exercise ELVN N 15418 10/23/2020 N/A Common 01/28/2020 Restricted Stock Purchase agreement ELVN N 22647 01/25/2020 N/A Y shares are being sold from RICHARD A HEYMAN AND ANNE E DAIGLE TR, U/A 1/29/18 09/04/2026 /s/ Audrey Skillern, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Richard Heyman