Are insiders buying or selling IGM Biosciences, Inc. stock?

Based on the last 50 SEC Form 4 filings, IGM Biosciences, Inc. insiders made 0 open-market purchases and 9 open-market sales.

Where can I see IGM Biosciences, Inc. insider trading activity?

SEC Form 4 filings for IGM Biosciences, Inc. (IGMS) are publicly available on EDGAR and aggregated at form4api.com/companies/igms.

// company-profile

Name: IGM Biosciences, Inc. Insider Trading Data
Creator: Form4API
License: https://www.sec.gov/privacy.htm

IGMS

SectorPharmaceutical PreparationsInc.DEFilings192Insiders25

// api This IGM Biosciences, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

No insider transactions in the last 30 days.

No insider activity recorded for IGMS in the last 90 days.

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

Date	Insider	Company	Type	Shares	Price	Value	1d	1w	1m	3m	6m
Aug 14, 2025	Hambleton Julie	IGMS	Disposition	2,000	—	—	—	—	—	—	—
Aug 14, 2025	Topsoe Holding A/S	IGMS	Disposition	10,400,564	—	—	—	—	—	—	—
Aug 14, 2025	BAKER BROS. ADVISORS LP	IGMS	U	9,886,217	$0.00	$0K	—	—	—	—	—
Aug 14, 2025	BAKER BROS. ADVISORS LP	IGMS	U	357,048	—	—	—	—	—	—	—
Aug 14, 2025	BEHRENS M KATHLEEN	IGMS	Disposition	29,807	—	—	—	—	—	—	—

45 more transactions hidden

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