IGM Biosciences, Inc. (IGMS) Insider Trading -- Recent Executive & Director Transactions

20 insiders reported 99 Form 4 transactions for IGM Biosciences, Inc. (IGMS) over the past 18 months (most recent 2025-08-18). Recent activity: Baker Bros. Advisors (GP) LLC (Insider) Sell 357,048 shares, 667, L.P. (Insider) Sell 357,048 shares, Baker Brothers Life Sciences LP (Insider) Sell 357,048 shares, BAKER BROS. ADVISORS LP (Insider) Sell 357,048 shares, BAKER FELIX (Insider) Sell 357,048 shares. Source: SEC Form 4.

DateInsiderTitleTypeSharesValue
2025-08-18Baker Bros. Advisors (GP) LLCInsiderSell357,048$0
2025-08-18667, L.P.InsiderSell357,048$0
2025-08-18Baker Brothers Life Sciences LPInsiderSell357,048$0
2025-08-18BAKER BROS. ADVISORS LPInsiderSell357,048$0
2025-08-18BAKER FELIXInsiderSell357,048$0
2025-08-18BAKER JULIANInsiderSell357,048$0
2025-08-18Baker Bros. Advisors (GP) LLCInsiderSell3.8M$0
2025-08-18667, L.P.InsiderSell3.8M$0
2025-08-18Baker Brothers Life Sciences LPInsiderSell3.8M$0
2025-08-18BAKER BROS. ADVISORS LPInsiderSell3.8M$0
2025-08-18BAKER FELIXInsiderSell3.8M$0
2025-08-18BAKER JULIANInsiderSell3.8M$0
2025-08-15Green JeremyInsiderSell3.0M$0
2025-08-15Redmile Group, LLCDirectorSell3.0M$0
2025-08-14Topsoe Christina TengDirectorSell54,235$0
2025-08-14Topsoe Christina TengDirectorSell10.4M$0
2025-08-14Topsoe Christina TengDirectorSell9,800$0
2025-08-14BEHRENS M KATHLEENDirectorSell22,222$0
2025-08-14BEHRENS M KATHLEENDirectorSell330,700$0
2025-08-14BEHRENS M KATHLEENDirectorSell29,807$0
2025-08-14BEHRENS M KATHLEENDirectorSell29,806$0
2025-08-14Topsoe Jakob HaldorDirectorSell91,712$0
2025-08-14Topsoe Jakob HaldorDirectorSell10.4M$0
2025-08-14Thompson Elizabeth H.Z.DirectorSell7,196$0
2025-08-14Strohl WilliamDirectorSell125,000$0

Source: SEC Form 4 filings · as of 2025-08-18