Jorn Drappa - Jul 29, 2025 Form 4 Insider Report for ALUMIS INC. (ALMS)

Role
Chief Medical Officer
Signature
/s/ Sanam Pangali, Attorney-in-Fact
Stock symbol
ALMS
Transactions as of
Jul 29, 2025
Transactions value $
$0
Form type
4
Date filed
7/31/2025, 09:05 PM
Previous filing
Feb 20, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Drappa Jorn Chief Medical Officer C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO /s/ Sanam Pangali, Attorney-in-Fact 2025-07-31 0001789317

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALMS Common Stock Award $0 +25.5K +848.33% $0.00 28.5K Jul 29, 2025 Direct F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

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 +102K $0.00 102K Jul 29, 2025 Common Stock 102K $3.95 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.