June 30,
2026

December 31,
2025

Common stock options outstanding

14,409,364

13,617,445

Restricted stock units outstanding

455,750

—

Shares available for future issuance under the 2021
   Incentive Award Plan

1,746,962

1,528,992

Shares available for future issuance under the 
   2021 Employee Stock Purchase Plan

2,442,458

1,951,705

Pre-funded warrants outstanding

6,381,950

6,381,950

Total common stock reserved for future issuance

25,436,484

23,480,092