Steven Weber - 16 Jun 2025 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Reporting relationship: PRINCIPAL ACCOUNTING OFFICER
Issuer ticker: IGMS
Reported as of: 16 Jun 2025
Net transaction value: -$583
SEC form: 4
Accepted by SEC: 20 Jun 2025, 20:24:15 UTC
Prior SEC filing: 16 May 2025
Next SEC filing: 16 Jul 2025
Source filing: View source filing
Reporting owner signature: /s/ Misbah Tahir, by power of attorney

Key filing fact

Steven Weber filed Form 4 for IGM Biosciences, Inc. (IGMS) on 20 Jun 2025.

Key facts

This page summarizes Steven Weber's Form 4 filing for IGM Biosciences, Inc. (IGMS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 20 Jun 2025, 20:24.

Change

Previous filing in this sequence was filed on 16 May 2025.
Current net transaction value: -$583.

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 0001844594 Primary reporting owner

Weber Steven

Relationship: PRINCIPAL ACCOUNTING OFFICER
Address: C/O IGM BIOSCIENCES, INC., 325 E. MIDDLEFIELD ROAD, MOUNTAIN VIEW
Signature: /s/ Misbah Tahir, by power of attorney
Signature date: 20 Jun 2025

Reported non-derivative transactions

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

IGMS transaction

Common Stock

Sale

Transaction value: $583
Shares: -486
Change %: -1.8%
Price: $1.20
Shares after: 26,530
Date: 16 Jun 2025
Ownership: Direct
Footnotes: F1, 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

These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $1.17 to $1.22. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer full information regarding the number of shares sold at each separate sale price.