Quiet on the insider front: nobody at Amentum Holdings, Inc. bought or sold AMTM shares with their own money this past year.
Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters. Members of Congress reported 5 trades in AMTM over the past two years (two members). Big money check: 460 institutions held AMTM as of Q2 2026, and funds were split between buying and selling.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Feb 20, 2025 | Loughran Barbara | Director | Buy | 4,600 | $21.23 | $98K | SEC |
| Feb 14, 2025 | DEMETRIOU STEVEN J. | Chair | Buy | 100,000 | $20.81 | $2.1M | SEC |
| Filed | Member | Type | Amount | Source |
|---|---|---|---|---|
| Nov 6, 2024 | William R. Keating D | Sale | $1,001 - $15,000 | Official filing |
| Oct 15, 2024 | Thomas H. Kean, Jr. R | Exchange | $1,001 - $15,000 | Official filing |
| Oct 15, 2024 | Thomas H. Kean, Jr. R | Exchange | $1,001 - $15,000 | Official filing |
| Oct 15, 2024 | Thomas H. Kean, Jr. R | Exchange | $1,001 - $15,000 | Official filing |
| Oct 15, 2024 | Thomas H. Kean, Jr. R | Exchange | $1,001 - $15,000 | Official filing |
There were no open-market insider trades in AMTM in the last 12 months. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
460 investment managers reported holding AMTM in SEC Form 13F filings for Q2 2026.
Yes. Members of Congress reported 5 trades in AMTM over the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).