AMTM insider buying
1 cluster buyAmentum Holdings, Inc. · Industrials
When two or more insiders at Amentum Holdings, Inc. buy AMTM on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in AMTM plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Feb 12 – Feb 18, 2025Detected Feb 18, 20252 insidersTotal bought$2.2MMarket cap$5.4B
All notable open-market buys in AMTM
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Feb 18, 2025 | Loughran Barbaracluster Director | 4,600 | $21.23 | $97.7K | SEC ↗ |
| Feb 12, 2025 | DEMETRIOU STEVEN J.cluster Director, Executive Chair | 100,000 | $20.81 | $2.1M | SEC ↗ |
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AMTM insider buying — FAQ
- Are insiders buying AMTM stock?
- Yes — 2 distinct insiders have bought AMTM (Amentum Holdings, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Feb 20, 2025.
- How much AMTM stock have insiders bought?
- Insiders have bought a combined $2.2M of AMTM across 2 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in AMTM?
- A cluster buy is two or more distinct Amentum Holdings, Inc. insiders — officers, directors, or 10% owners — each buying AMTM on the open market within a rolling window. AMTM has 1 detected cluster buy to date.
- Where does this AMTM insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in AMTM
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy AMTM within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding AMTM.