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 46.9%.

Shares Outstanding

244.506M

Shares Float

153.900M

Insider Shares Owned

2.268M

Insider % Owned

0.9%

Institutional Shares Held

114.624M

Institutional % Held

46.9%

Ownership Breakdown

Net Insider Activity by Month

Amentum Holdings Insider Transactions (Last 6 Months)

No insider filings in the last 6 months.

Date	Member	Party	Chamber	Action	Amount
Oct 31, 2024	William Keating	D	House	Sale	$1,001 - $15,000
Sep 30, 2024	Thomas Kean	R	House	E	$1,001 - $15,000
Sep 30, 2024	Thomas Kean	R	House	E	$1,001 - $15,000
Sep 30, 2024	Thomas Kean	R	House	E	$1,001 - $15,000
Sep 30, 2024	Thomas Kean	R	House	E	$1,001 - $15,000