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

Reporting relationship: President, CEO and Chairman, Director
Issuer ticker: ALMS
Reported as of: 29 Jul 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 31 Jul 2025, 21:05:05 UTC
Prior SEC filing: 13 Jun 2025
Next SEC filing: 30 Oct 2025
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 31 Jul 2025.

Key facts

This page summarizes Martin Babler's Form 4 filing for ALUMIS INC. (ALMS).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 31 Jul 2025, 21:05.

Change

Previous filing in this sequence was filed on 13 Jun 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: 31 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALMS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,000
Date: 29 Jul 2025
Ownership: Direct
Footnotes: F1

ALMS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 106,454
Date: 29 Jul 2025
Ownership: By Trust
Footnotes: F2

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: +662,000
Change %
Price: $0.000000
Shares after: 662,000
Date: 29 Jul 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 662,000
Exercise price: $3.95
Footnotes: F3

ALMS transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value: $0
Shares: +150,000
Change %
Price: $0.000000
Shares after: 150,000
Date: 29 Jul 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 150,000
Exercise price: $3.95
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Includes 3,000 shares acquired on May 20, 2025 under the Issuer's 2024 Employee Stock Purchase Plan.

Footnote F2

Shares are held directly by Martin Babler revocable trust UAD October 25, 2006, for which Reporting Person serves as a trustee.

Footnote 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.