John R. Schroer - Jul 29, 2025 Form 4 Insider Report for ALUMIS INC. (ALMS)

Role: Chief Financial 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
Schroer John R.	Chief Financial Officer	C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO	/s/ Sanam Pangali, Attorney-in-Fact	2025-07-31	0001744578

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALMS	Common Stock	Award	$0	+28K		$0.00	28K	Jul 29, 2025	Direct	F1

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	+112K		$0.00	112K	Jul 29, 2025	Common Stock	112K	$3.95	Direct	F2

* 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	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.

Content

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.

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.