ITS
InsiderTrading
TradesInsidersCompaniesCluster BuysRankingsAbout
ITS
InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

  • Trades
  • Insiders
  • Companies
  • Cluster Buys
  • Rankings

Top Insiders

  • Mark Zuckerberg
  • Elon Musk
  • Jamie Dimon
  • Satya Nadella
  • Lisa Su
  • Jensen Huang

Screeners

  • CEO & CFO Purchases
  • Director Purchases
  • Top Buys This Week
  • Top Sales This Week
  • 10b5-1 Trades
  • Buy/Sell Ratios
  • Politician Overlap
  • Sectors

Learn

  • Learn
  • What is a Form 4?
  • About & Methodology
  • What are Cluster Buys?
  • Top Insider Rankings
  • Contact Us
  • Privacy Policy
  • Terms of Use

Data

  • SEC EDGAR Form 4 ↗
  • CongressStock.com ↗
  • Track13F.com ↗
  • About the data
© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Companies/IGM Biosciences Inc

IGM Biosciences Inc

38 insider trades tracked

IGMS
Insider trades
38
Bought (open market)
$0
Sold (open market)
$44K
Unique insiders
13

Recent insider trades

Most recent Form 4 filings for IGM Biosciences Inc.

  • Hambleton Julietraded2,000 shares ofIGMSAug 14, 2025Details
  • Topsoe Holding A/Straded5,044,295 shares ofIGMSat $0Aug 14, 2025Details
  • Topsoe Holding A/Straded10,400,564 shares ofIGMSAug 14, 2025Details
  • Topsoe Jakob Haldortraded

Insiders at this company

Executives and directors who have filed Form 4s.

  • Topsoe Jakob Haldor6 trades
  • BAKER BROS. ADVISORS LP5 trades
  • BEHRENS M KATHLEEN5 trades
  • Topsoe Christina Teng5 trades
  • Redmile Group, LLC4 trades
  • Harler Mary Beth3 trades
  • Lee Michael Stewart2 trades
  • Thompson Elizabeth H.Z.2 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
5,044,295 shares of
IGMS
at $0
Aug 14, 2025Details
  • Topsoe Jakob Haldortraded10,400,564 shares ofIGMSAug 14, 2025Details
  • Topsoe Jakob Haldortraded91,712 shares ofIGMSAug 14, 2025Details
  • Topsoe Christina Tengtraded5,044,295 shares ofIGMSat $0Aug 14, 2025Details
  • Topsoe Christina Tengtraded9,800 shares ofIGMSAug 14, 2025Details
  • Topsoe Christina Tengtraded10,400,564 shares ofIGMSAug 14, 2025Details
  • Topsoe Christina Tengtraded54,235 shares ofIGMSAug 14, 2025Details
  • Thompson Elizabeth H.Z.traded7,196 shares ofIGMSAug 14, 2025Details
  • Strohl Williamtraded125,000 shares ofIGMSAug 14, 2025Details
  • Harler Mary Bethtraded323,680 shares ofIGMSAug 14, 2025Details
  • Lee Michael Stewarttraded12,712 shares ofIGMSAug 14, 2025Details
  • Redmile Group, LLCtraded667,666 shares ofIGMSAug 14, 2025 · filed Aug 15, 2025Details
  • Redmile Group, LLCtraded7,199,325 shares ofIGMSAug 14, 2025 · filed Aug 15, 2025Details
  • Redmile Group, LLCtraded2,964,843 shares ofIGMSAug 14, 2025 · filed Aug 15, 2025Details
  • BEHRENS M KATHLEENtraded29,806 shares ofIGMSAug 14, 2025Details
  • BEHRENS M KATHLEENtraded29,807 shares ofIGMSAug 14, 2025Details
  • BEHRENS M KATHLEENtraded330,700 shares ofIGMSAug 14, 2025Details
  • BEHRENS M KATHLEENtraded22,222 shares ofIGMSAug 14, 2025Details
  • BAKER BROS. ADVISORS LPtraded9,886,217 shares ofIGMSat $0Aug 14, 2025 · filed Aug 18, 2025Details
  • BAKER BROS. ADVISORS LPtraded834,707 shares ofIGMSat $0Aug 14, 2025 · filed Aug 18, 2025Details
  • BAKER BROS. ADVISORS LPtraded3,763,362 shares ofIGMSAug 14, 2025 · filed Aug 18, 2025Details
  • BAKER BROS. ADVISORS LPtraded357,048 shares ofIGMSAug 14, 2025 · filed Aug 18, 2025Details
  • Tahir Misbahsold8,741 shares ofIGMSat $1.273$11KJul 23, 2025 · filed Jul 25, 2025Details
  • Harler Mary Bethsold14,501 shares ofIGMSat $1.273$18KJul 23, 2025 · filed Jul 25, 2025Details
  • Decker Lisa Lynnsold4,409 shares ofIGMSat $1.273$6KJul 23, 2025 · filed Jul 25, 2025Details
  • Topsoe Jakob Haldorgranted828 shares ofIGMSat $0Jun 30, 2025 · filed Jul 2, 2025Details
  • Topsoe Christina Tenggranted1,284 shares ofIGMSat $0Jun 30, 2025 · filed Jul 2, 2025Details
  • View all trades for IGMS →
    Topsoe Holding A/S2 trades
  • Decker Lisa Lynn1 trades
  • Tahir Misbah1 trades
  • Strohl William1 trades
  • Hambleton Julie1 trades