AMTM insider trading
IndustrialsAmentum Holdings, Inc.: insider trade history from SEC Form 4 filings.
About Amentum Holdings, Inc.
Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.
Company website: www.amentum.com
AMTM insider activity at a glance
FilingIQ tracks 91 insider transactions for AMTM in filings since Sep 25, 2024. The most recent transaction is dated Aug 14, 2026.
Across the full history, 2 open-market purchases
and 0 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.
How FilingIQ classifies each line, and the seven facts it shows on every open-market purchase and sale, are documented on the methodology page.
Latest AMTM Form 4 filings
Most recent disclosures. Sign up to filter by transaction code, insider role or dollar value.
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13F funds holding AMTM
Frequently asked
- How many insider trades does FilingIQ track for AMTM?
- FilingIQ tracks 91 Form 4 insider transactions for AMTM (Amentum Holdings, Inc.), covering filings from Sep 25, 2024 onwards. 1 of those are dated within the last 90 days.
- Are AMTM insiders net buyers or net sellers?
- Across the full Form 4 history for AMTM, 2 transactions (2%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does AMTM insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ links every filing to the insider's SEC CIK, marks plan trades, tax withholding, option exercises, gifts, derivatives and amendments, and shows each open-market purchase and sale with the same fixed facts. It does not rate the stock.
- What sector is AMTM in?
- Amentum Holdings, Inc. (AMTM) is classified in the Industrials sector, specifically Specialty Business Services, with a current market capitalisation of $7.51B.
Methodology & sources
Every AMTM 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). How lines are classified and which facts FilingIQ adds is documented on the methodology page; the people behind it are on the team page. Not investment advice; see disclaimer.