144 0001973524 XXXXXXXX LIVE 0001761918 Erasca, Inc. 001-40602 3115 MERRYFIELD ROW STE 300 San Diego CA 92121 858-465-6511 Erasca Foundation Erasca Foundation Common Merrill Lynch

6002 El Tordo PO Box 7297 Rancho Santa Fe CA 92067

8333 12942.2 283670139 09/15/2025 NASDAQ Common 07/20/2021 Donation Erasca, Inc N 10193557 07/20/2021 Donation N Erasca Foundation

3115 MERRYFIELD ROW STE 300 San Diego CA 92121

Common 08/15/2025 8333 12834.87 Erasca Foundation

3115 MERRYFIELD ROW STE 300 San Diego CA 92121

Common 07/15/2025 8333 12094.6 Erasca Foundation

3115 MERRYFIELD ROW STE 300 San Diego CA 92121

Common 06/16/2025 8333 12090.87 09/15/2025 01/10/2024 David Chacko