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

Role
President, CEO and Chairman, Director
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
Jun 13, 2025
Next filing
Oct 30, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Babler Martin President, CEO and Chairman, Director C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO /s/ Sanam Pangali, Attorney-in-Fact 2025-07-31 0001435618

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding ALMS Common Stock 3K Jul 29, 2025 Direct F1
holding ALMS Common Stock 106K Jul 29, 2025 By Trust 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 +662K $0.00 662K Jul 29, 2025 Common Stock 662K $3.95 Direct F3
transaction ALMS Stock Option (Right to Buy) Award $0 +150K $0.00 150K Jul 29, 2025 Common Stock 150K $3.95 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 3,000 shares acquired on May 20, 2025 under the Issuer's 2024 Employee Stock Purchase Plan.
F2 Shares are held directly by Martin Babler revocable trust UAD October 25, 2006, for which Reporting Person serves as a trustee.
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.