Skip to main content
Amentum Holdings, Inc. logo

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 2026-01-29 Director's Dealing
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
4 Filing
Director's Dealing
2026-01-29 English
FORM 4/A
Director's Dealing
2025-12-19 English
FORM 4/A
Director's Dealing
2025-12-19 English
FORM 4/A
Director's Dealing
2025-12-19 English
FORM 4
Director's Dealing
2025-12-19 English
ARS
Annual Report
2025-12-19 English

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.