Amentum Holdings Inc

AMTMNYSE
$22.43
-2.01-8.22%
At close: Aug 11, 5:00 PM EST
$22.48
0.05450.24%
After Hours: 7:13 PM EST
Earnings: Q3 2026 Earnings were released on Mon Aug 10th, after the market close
Conference Call: The most recent conference call started at 8:30 AM, 1 day ago
Click to view the webcast

Amentum Holdings Ownership & Insider Activity

Amentum Holdings (AMTM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.9% of shares outstanding. Institutional investors hold 46.0%.

Shares Outstanding

244.316M

Shares Float

153.710M

Insider Shares Owned

2.268M

Insider % Owned

0.9%

Institutional Shares Held

112.402M

Institutional % Held

46.0%

Ownership Breakdown

Net Insider Activity by Month

Amentum Holdings Insider Transactions (Last 6 Months)

No insider filings in the last 6 months.

Congressional Trading Activity

DateMemberPartyChamberActionAmount
Oct 31, 2024William KeatingDHouseS$1,001 - $15,000
Sep 30, 2024Thomas KeanRHouseE$1,001 - $15,000