IGMS insider trading
IGM Biosciences, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
IGMS insider activity at a glance
FilingIQ has scored 602 insider transactions for IGMS since Sep 18, 2019. The most recent filing in our index is dated Aug 14, 2025.
Across the full history, 81 open-market purchases
and 147 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on IGMS insider trades is 58.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest IGMS Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
Frequently asked
- How many insider trades does FilingIQ track for IGMS?
- FilingIQ tracks 602 Form 4 insider transactions for IGMS (IGM Biosciences, Inc.), covering filings from Sep 18, 2019 onwards. 0 of those were filed in the last 90 days.
- Are IGMS insiders net buyers or net sellers?
- Across the full Form 4 history for IGMS, 81 transactions (13%) were open-market purchases and 147 (24%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does IGMS insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
Methodology & sources
Every IGMS insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.