Form 4: IGM Biosciences Officer Sells Shares for Tax Obligations

Steven Weber, Principal Accounting Officer at IGM Biosciences, Inc., sold 486 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• Steven Weber, the Principal Accounting Officer of IGM Biosciences, Inc. (IGMS), reported a sale of company common stock.
• The transaction occurred on June 16, 2025, involving the disposition of 486 shares.
• The shares were sold at a weighted average price of $1.1992 per share, with individual trades ranging from $1.17 to $1.22.
• The purpose of the sale was to cover tax withholding obligations associated with the vesting of restricted stock units.
• Following this transaction, Mr. Weber beneficially owns 26,530 shares of IGM Biosciences common stock.

Sentiment

Score: 5

Explanation: The sentiment is neutral as the transaction is a routine, non-discretionary sale to cover tax obligations related to equity compensation, which is a common occurrence and does not reflect a change in management's outlook on the company.

Future Outlook

NA

Industry Context

This Form 4 filing details a routine insider transaction for tax purposes, which is a common occurrence across all industries when restricted stock units or other equity awards vest. It does not provide broader insights into the biotechnology industry or IGM Biosciences' competitive position.

Stakeholder Impact

• Shareholders: The sale of 486 shares is a very small transaction relative to the company's total outstanding shares and is for a routine tax purpose, thus having negligible direct impact on existing shareholders.
• Employees: The transaction relates to the vesting of restricted stock units, which is part of employee compensation plans, indicating standard equity award practices are in place.

Key Dates

Keywords

IGM Biosciences, IGMS, Steven Weber, Form 4, Insider Trading, Stock Sale, Tax Withholding, Restricted Stock Units, Officer Transaction, SEC Filing