Trades Insiders Companies Cluster Buys Rankings About

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

Learn

Learn
What is a Form 4?
About & Methodology
What are Cluster Buys?
Top Insider Rankings
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

Total bought

$0

Total sold

$44K

Unique insiders

13

Recent insider trades

Most recent Form 4 filings for IGM Biosciences Inc.

Hambleton Julietraded2,000 shares ofIGMSAug 14Details
Topsoe Holding A/Straded5,044,295 shares ofIGMSat $0Aug 14Details
Topsoe Holding A/Straded10,400,564 shares ofIGMSAug 14Details
Topsoe Jakob Haldortraded5,044,295 shares ofIGMSat $0Aug 14

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

Topsoe Jakob Haldortraded10,400,564 shares ofIGMSAug 14Details

Topsoe Jakob Haldortraded91,712 shares ofIGMSAug 14Details

Topsoe Christina Tengtraded5,044,295 shares ofIGMSat $0Aug 14Details

Topsoe Christina Tengtraded9,800 shares ofIGMSAug 14Details

Topsoe Christina Tengtraded10,400,564 shares ofIGMSAug 14Details

Topsoe Christina Tengtraded54,235 shares ofIGMSAug 14Details

Thompson Elizabeth H.Z.traded7,196 shares ofIGMSAug 14Details

Strohl Williamtraded125,000 shares ofIGMSAug 14Details

Harler Mary Bethtraded323,680 shares ofIGMSAug 14Details

Lee Michael Stewarttraded12,712 shares ofIGMSAug 14Details

Redmile Group, LLCtraded667,666 shares ofIGMSAug 15Details

Redmile Group, LLCtraded7,199,325 shares ofIGMSAug 15Details

Redmile Group, LLCtraded2,964,843 shares ofIGMSAug 15Details

BEHRENS M KATHLEENtraded29,806 shares ofIGMSAug 14Details

BEHRENS M KATHLEENtraded29,807 shares ofIGMSAug 14Details

BEHRENS M KATHLEENtraded330,700 shares ofIGMSAug 14Details

BEHRENS M KATHLEENtraded22,222 shares ofIGMSAug 14Details

BAKER BROS. ADVISORS LPtraded9,886,217 shares ofIGMSat $0Aug 18Details

BAKER BROS. ADVISORS LPtraded834,707 shares ofIGMSat $0Aug 18Details

BAKER BROS. ADVISORS LPtraded3,763,362 shares ofIGMSAug 18Details

BAKER BROS. ADVISORS LPtraded357,048 shares ofIGMSAug 18Details

Tahir Misbahsold8,741 shares ofIGMSat $1.273$11KJul 25Details

Harler Mary Bethsold14,501 shares ofIGMSat $1.273$18KJul 25Details

Decker Lisa Lynnsold4,409 shares ofIGMSat $1.273$6KJul 25Details

Topsoe Jakob Haldorgranted828 shares ofIGMSat $0Jul 2Details

Topsoe Christina Tenggranted1,284 shares ofIGMSat $0Jul 2Details

Topsoe Holding A/S2 trades

Decker Lisa Lynn1 trades

Tahir Misbah1 trades

Strohl William1 trades

Hambleton Julie1 trades

IGM Biosciences Inc (IGMS) — Insider Trading Activity | Insider Trading Screener