ALUMIS INC.·4

Jul 31, 9:05 PM ET

Drappa Jorn 4

4 · ALUMIS INC. · Filed Jul 31, 2025

Insider Transaction Report

Form 4
Period: 2025-07-29
Drappa Jorn
Chief Medical Officer
Transactions
  • Award

    Common Stock

    2025-07-29+25,45028,450 total
  • Award

    Stock Option (Right to Buy)

    2025-07-29+101,850101,850 total
    Exercise: $3.95Exp: 2035-07-28Common Stock (101,850 underlying)
Footnotes (3)
  • [F1]Represents shares of common stock issuable upon settlement of a restricted stock unit ("RSU") grant. 25% of the shares underlying this RSU vest on August 1, 2026, and the remaining shares vest in equal quarterly installments thereafter over the following 12 quarters, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2024 Equity Incentive Plan) to the Issuer on each such vesting date.
  • [F2]Includes 3,000 shares acquired on May 20, 2025 under the Issuer's 2024 Employee Stock Purchase Plan.
  • [F3]25% of the shares underlying this option vest on July 29, 2026, and the remaining shares vest in equal monthly installments thereafter over the following 36 months, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2024 Equity Incentive Plan) to the Issuer on each such vesting date.

Documents

2 files