X0206 3 2021-07-15 0 0001761918 Erasca, Inc. ERAS 0001455228 Casdin Alexander W. C/O ERASCA, INC. 10835 ROAD TO THE CURE, SUITE 140 SAN DIEGO CA 92121 1 0 0 0 Common Stock 187500 D Series A Preferred Stock 0.00 Common Stock 150000 D Series A Preferred Stock 0.00 Common Stock 750000 I By Reneo Capital SPV IV LP Includes 84,637 shares subject to repurchase by us, which are subject to vesting. The shares of Series A Preferred Stock are convertible, at any time, at the holder's election, to shares of the issuer's common stock at a ratio of 1.2-for-1. In addition, effective immediately prior to the closing of the Issuer's initial public offering of its common stock, each share of Series A Preferred Stock will automatically convert to shares of the issuer's common stock at a ratio of 1.2-for-1. The Series A Preferred Stock has no expiration date. Alexander Casdin serves as the managing member of Reneo GP LLC, which is the general partner of Reneo Capital SPV IV LP (Reneo SPV). Mr. Casdin exercises voting and dispositive control over the securities held by Reneo SPV and is therefore deemed to be a beneficial owner of such securities. Mr. Casdin disclaims beneficial ownership of the reported securities held by Reneo SPV, except to the extent of his pecuniary interest therein. Exhibit 24 - Power of Attorney /s/ Ebun S. Garner, Attorney-in-Fact 2021-07-15