Form 4: IGM Biosciences Director Christina Topsoe Reports Acquisition of Vested Restricted Stock Units

Christina Teng Topsoe, a Director and 10% owner of IGM Biosciences, Inc., reported the acquisition of 1,284 shares of common stock through the vesting of restricted stock units as part of her director compensation.

Summary

• Christina Teng Topsoe, a Director and 10% owner of IGM Biosciences, Inc. (IGMS), acquired 1,284 shares of common stock.
• The acquisition occurred on June 30, 2025, and was for a price of $0 per share.
• These shares represent fully vested Restricted Stock Units (RSUs) received as payment for a quarterly retainer under the Issuer's Outside Director Compensation Policy.
• Following this transaction, Christina Teng Topsoe directly beneficially owns 54,235 shares of common stock.
• Additionally, she indirectly beneficially owns 10,400,564 shares through Topsoe Holding A/S and 9,800 shares through Pillarcater LLC.

Sentiment

Score: 6

Explanation: The acquisition of shares through RSU vesting is a routine compensation event for a director, indicating continued alignment with shareholder interests. It is a neutral to slightly positive event as it reflects ongoing compensation and commitment.

Positives

• The acquisition of 1,284 shares of common stock by a director indicates continued alignment of interests between management and shareholders.
• The shares were acquired as fully vested Restricted Stock Units (RSUs), which are part of the company's established Outside Director Compensation Policy, reflecting a structured compensation approach.

Future Outlook

Vested RSUs will be delivered to the Reporting Person on the earlier of immediately prior to a change in control of the Issuer or following the Reporting Person's retirement or separation from service with the Issuer.

Industry Context

This filing is a standard disclosure of an insider transaction, specifically the vesting of director compensation in the form of equity. Such transactions are common across all industries for publicly traded companies as part of their executive and director compensation structures, aiming to align leadership interests with shareholder value.

Related Party Transactions

• The indirect beneficial ownership includes shares held by Topsoe Holding A/S and Pillarcater LLC, entities with which the reporting person has direct or indirect control/beneficial interest. This is a disclosure of beneficial ownership structure rather than a new transaction.

Stakeholder Impact

• Shareholders: The acquisition of shares by a director through RSU vesting aligns the director's interests with shareholders, potentially fostering long-term value creation.

Next Steps

• Delivery of vested RSUs to the Reporting Person will occur on the earlier of immediately prior to a change in control of the Issuer or following the Reporting Person's retirement or separation from service with the Issuer.

Key Dates

Keywords

IGM Biosciences, IGMS, Form 4, SEC filing, Insider transaction, Restricted Stock Units, RSU, Director compensation, Stock acquisition, Beneficial ownership, Christina Teng Topsoe