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Amentum Holdings, Inc. — Investor Relations & Filings

Ticker · AMTM ISIN · US0239391016 LEI · 2549009FJIBLW40CU216 US Professional, scientific and technical activities
Filings indexed 173 across all filing types
Latest filing 2026-05-12 Interim / Quarterly Rep…
Country US United States of America
Listing US AMTM

About Amentum Holdings, Inc.

https://www.amentum.com/

Amentum Holdings, Inc. is a provider of advanced engineering and technology solutions, delivering professional and technical services to government and commercial clients. The company supports critical missions for the United States and its allies across the defense, space, intelligence, and energy markets. Core capabilities include end-to-end program management, mission support, and systems integration. Amentum specializes in complex challenges, offering expertise in nuclear services such as design, operations, and decommissioning; aerospace engineering and mission support for space exploration programs; and the development of advanced defense systems. The company also provides solutions for energy resilience, environmental management, and robotics for harsh environments.

Recent filings

Filing Released Lang Actions
10-Q - Amentum Holdings, Inc. (0002011286) (Filer)
Interim / Quarterly Report Q2 2026
2026-05-12 English
8-K - Amentum Holdings, Inc. (0002011286) (Filer)
Capital/Financing Update Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a current report used to announce major events that shareholders should know about. The content describes the entry into a material definitive agreement, specifically an amendment to a credit agreement involving new term loans and revolving credit facilities. It details the terms of the financing arrangement, interest rates, covenants, and guarantees. There are no financial statements or comprehensive financial performance data presented, nor is this an earnings release or annual/interim report. The document is focused on financing activity and capital structure changes. Therefore, it fits the category of Capital/Financing Update (CAP). The document length is substantial (over 10,000 characters), indicating it is the report itself, not just an announcement of a report. Hence, the classification is CAP with high confidence.
2026-04-28 English
SCHEDULE 13G/A - Amentum Holdings, Inc. (0002011286) (Subject)
Major Shareholding Notification
2026-03-26 English
4 - AMENTUM HOLDINGS, INC. (0002011286) (Filer)
Director's Dealing
2026-03-04 English
4 Filing
Director's Dealing
2026-02-18 English
4 - AMENTUM HOLDINGS, INC. (0002011286) (Filer)
Director's Dealing
2026-02-10 English

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