X0609 4 2026-05-12 0002091349 First Tracks Biotherapeutics, Inc. TRAX 0001707797 Jain Rita false 10770 WATERIDGE CIRCLE, SUITE 210 SAN DIEGO CA 92121 true false false false 0 Restricted Stock Unit 2026-05-12 4 A 0 15000 0 A Common Stock 15000 15000 D Stock Option (right to buy) 17.81 2026-05-12 4 A 0 42000 0 A 2036-05-11 Common Stock 42000 42000 D Each restricted stock unit ("RSU") represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration. The RSUs vests as to 100% of the total RSUs on the date of the Issuer's 2027 annual meeting of shareholders, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The stock option vests as to 1/12 of the total shares monthly commencing on June 12, 2026 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. In addition to the options to purchase a total of 42,000 shares of common stock as set forth in Table II, the Reporting Person also holds additional options to purchase up to an aggregate of 57,135 shares of common stock, which options vest according to their terms. /s/ Ajim Tamboli, Attorney-in-Fact 2026-05-14