IGM Biosciences, Inc.

Ownership Transactions Reported by 20 Insiders

Symbol
IGMS on Nasdaq
Industry
Pharmaceutical Preparations
Location
325 E Middlefield Road, Mountain View, CA

Insiders trading volume in the past year

IGM Biosciences, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Fred Schwarzer CEO AND PRESIDENT, Director $5.16M Sep 13, 2024
Bruce Keyt Chief Scientific Officer $2.85M Sep 13, 2024
Chris H. Takimoto Chief Medical Officer $1.78M Sep 13, 2024
Daniel ShinYu Chen Chief Medical Officer $769K Jul 1, 2021
George Gauthier Chief Commercial Officer $262K Nov 29, 2023
Michael D. Loberg Director $231K Sep 29, 2023
Misbah Tahir Chief Financial Officer $216K -$34.7K -13.8% Jul 23, 2025
Lisa Lynn Decker Chief Business Officer $86.8K -$20.3K -18.9% Jul 23, 2025
Steven Weber Principal Accounting Officer $31.8K -$10.7K -25.2% Jun 16, 2025
Redmile Group, LLC Director, 10%+ Owner $0 Aug 14, 2025
Michael Lee Director $0 Aug 14, 2025
Topsoe Holding A/S 10%+ Owner $0 Aug 14, 2025
Mary Beth Harler Chief Executive Officer, Director $0 -$42.1K -100% Aug 14, 2025
Baker Bros. Advisors Lp Former 10% owner and director $0 Aug 14, 2025
H.Z. Thompson Director $0 Aug 14, 2025
Julie Hambleton Director $0 Aug 14, 2025
William Strohl Director $0 Aug 14, 2025
Christina Teng Topsoe Director, 10%+ Owner $0 Aug 14, 2025
Jakob Haldor Topsoe Director, 10%+ Owner $0 Aug 14, 2025
M. Kathleen Behrens Director $0 Aug 14, 2025

Recent Insider Transactions by Companies or Individuals for IGM Biosciences, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.