X0609 4 2026-04-21 0002091349 First Tracks Biotherapeutics, Inc. TRAX 0001855684 Tamboli Ajim false 10770 WATERIDGE CIRCLE, SUITE 210 SAN DIEGO CA 92121 false true false false Chief Financial Officer 0 Restricted Stock Unit 2026-04-21 4 A 0 45700 0 A Common Stock 45700 45700 D Employee Stock Option (right to buy) 17 2026-04-21 4 A 0 41233 0 A 2036-04-20 Common Stock 41233 41233 D Employee Stock Option (right to buy) 18.87 2026-04-22 4 A 0 41233 0 A 2036-04-21 Common Stock 41233 41233 D Employee Stock Option (right to buy) 19 2026-04-23 4 A 0 41234 0 A 2036-04-22 Common Stock 41234 41234 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. 1/4 of the RSUs shall vest on April 20, 2027 and 1/4th of the RSUs shall vest in equal annual installments until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The stock option vests as to 25% of the total shares on April 20, 2027, and thereafter vests as to 1/48 of the total shares monthly until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date. /s/ Ajim Tamboli 2026-04-23