| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bradley Mark Christopher | Chief Development Officer | C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO | /s/ Sanam Pangali, Attorney-in-Fact | 28 Jan 2026 | 0002023657 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALMS | Stock Option (Right to Buy) | Award | $0 | +190,225 | $0.000000 | 190,225 | 26 Jan 2026 | Common Stock | 190,225 | $26.31 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | 25% of the shares underlying this option vest on January 26, 2027, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to acceleration and the Reporting Person's Continuous Service (as defined in the Issuer's 2024 Equity Incentive Plan) to the Issuer on each such vesting date. |