Zhengbin Yao - 30 Jun 2026 Form 4 Insider Report for ALUMIS INC. (ALMS)

Reporting relationship: Director
Issuer ticker: ALMS
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jul 2026, 18:28:41 UTC
Prior SEC filing: 04 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Sanam Pangali, Attorney-in-Fact

Key filing fact

Zhengbin Yao filed Form 4 for ALUMIS INC. (ALMS) on 02 Jul 2026.

Key facts

This page summarizes Zhengbin Yao's Form 4 filing for ALUMIS INC. (ALMS).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 02 Jul 2026, 18:28.

Change

Previous filing in this sequence was filed on 04 Feb 2026.
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 0001326228 Primary reporting owner

Yao Zhengbin

Relationship: Director
Address: C/O ALUMIS INC., 280 EAST GRAND AVENUE, SOUTH SAN FRANCISCO
Signature: /s/ Sanam Pangali, Attorney-in-Fact
Signature date: 02 Jul 2026

Reported non-derivative transactions

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

ALMS transaction

Common Stock

Award

Transaction value
Shares: +3,553
Change %: +15%
Price: $0.000000^*
Shares after: 27,082
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1

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
Shares: +15,528
Change %
Price: $0.000000^*
Shares after: 15,528
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 15,528
Exercise price: $28.14
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of common stock issuable upon settlement of a restricted stock unit ("RSU") grant. The shares underlying this RSU vest on the first anniversary of the date of grant, provided that the shares will in any case be fully vested on the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2024 Equity Incentive Plan (the "Plan")) through such vesting date and will vest in full upon a Change in Control (as defined in the Plan), subject to the Reporting Person's Continuous Service (as defined in the Plan) through such date.

Footnote F2

The shares underlying this option vest on the first anniversary of the date of grant, provided that the shares will in any case be fully vested on the date of the Issuer's 2027 annual stockholder meeting, subject to the Reporting Person's Continuous Service (as defined in the Plan) through such vesting date and will vest in full upon a Change in Control (as defined in the Plan), subject to the Reporting Person's Continuous Service (as defined in the Plan) through such date.