Martin Babler - 26 Jan 2026 Form 4 Insider Report for ALUMIS INC. (ALMS)

Reporting relationship: President, CEO and Chairman, Director
Issuer ticker: ALMS
Reported as of: 26 Jan 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Jan 2026, 19:21:02 UTC
Prior SEC filing: 30 Oct 2025
Next SEC filing: 10 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Sanam Pangali, Attorney-in-Fact

Key filing fact

Martin Babler filed Form 4 for ALUMIS INC. (ALMS) on 28 Jan 2026.

Key facts

This page summarizes Martin Babler's Form 4 filing for ALUMIS INC. (ALMS).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 28 Jan 2026, 19:21.

Change

Previous filing in this sequence was filed on 30 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001435618 Primary reporting owner

Babler Martin

Relationship: President, CEO and Chairman, Director
Address: C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO
Signature: /s/ Sanam Pangali, Attorney-in-Fact
Signature date: 28 Jan 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ALMS transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +745,875
Change %
Price: $0.000000
Shares after: 745,875
Date: 26 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 745,875
Exercise price: $26.31
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.