Insider Transactions Reported by 20 Insiders of IGM Biosciences, Inc.

Symbol
IGMS on Nasdaq
Industry
Pharmaceutical Preparations
Location
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
Jakob Haldor Topsoe Director, 10%+ Owner $12.5M Aug 14, 2025
Fred Schwarzer CEO AND PRESIDENT, Director $5.16M Sep 13, 2024
Redmile Group, LLC Director, 10%+ Owner $3.53M Aug 14, 2025
Bruce Keyt Chief Scientific Officer $2.85M Sep 13, 2024
Chris H. Takimoto Chief Medical Officer $1.78M Sep 13, 2024
William Strohl Director $1.75M Aug 14, 2025
Daniel ShinYu Chen Chief Medical Officer $769K Jul 1, 2021
Mary Beth Harler Chief Executive Officer, Director $412K -$42.1K -9.27% Aug 14, 2025
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
Christina Teng Topsoe Director, 10%+ Owner $76.2K Aug 14, 2025
M. Kathleen Behrens Director $61.9K Aug 14, 2025
Steven Weber Principal Accounting Officer $31.8K -$10.7K -25.2% Jun 16, 2025
Julie Hambleton Director $28K Aug 14, 2025
Michael Lee Director $15.1K Aug 14, 2025
H.Z. Thompson Director $8.56K Aug 14, 2025
Baker Bros. Advisors Lp Former 10% owner and director $0 Aug 14, 2025
Topsoe Holding A/S 10%+ Owner 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.