organization · Reporting owner
ASP Amentum Investco LP
Disclosed activity across 1 company
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Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| Amentum Holdings, Inc.AMTM · Entity 3920 | 10% owner | December 17, 2024 | December 30, 2024 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
Amentum Holdings, Inc.
Report date December 17, 2024 · Filed December 30, 2024 · Amendment
Jointly reported with ASP Manager Corp., AMERICAN SECURITIES LLC
Amendment: balances below belong to this corrected disclosure, not necessarily a complete replacement of earlier positions.
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | Direct | 43,893,904 |
Reported balance
Holding disclosure · report date 2024-12-17 · row 1
Amendment: may correct only part of an earlier disclosure.
1 source rowRow 1 · Balance 43,893,904 F1: American Securities LLC is the sole stockholder of ASP Manager Corp., which is the general partner of ASP Amentum Investco LP. Each of the Reporting Persons other than ASP Amentum Investco LP may be deemed to share beneficial ownership of the common shares of Amentum Holdings, Inc. directly held by ASP Amentum Investco LP. |
Filing footnotes · ownership attribution and instrument terms
F1: American Securities LLC is the sole stockholder of ASP Manager Corp., which is the general partner of ASP Amentum Investco LP. Each of the Reporting Persons other than ASP Amentum Investco LP may be deemed to share beneficial ownership of the common shares of Amentum Holdings, Inc. directly held by ASP Amentum Investco LP.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.