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Amentum Holdings, Inc. — Investor Relations & Filings

Ticker · AMTM ISIN · US0239391016 LEI · 2549009FJIBLW40CU216 US Professional, scientific and technical activities
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Filings indexed 173 across all filing types
Latest filing 2025-03-12 Regulatory Filings
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
Regulatory Filings 2025
Regulatory Filings
2025-03-12 English
Capital/Financing Update 2025
Capital/Financing Update Classification · 95% confidence The document is a letter from BofA Securities, Inc. as representative of underwriters to the SEC requesting acceleration of the effective date of a Registration Statement on Form S-1 for Amentum Holdings, Inc. It references SEC rules related to securities offerings and distribution of preliminary prospectuses. The content is related to a capital raising process and the registration of securities, not a financial report, earnings release, or management discussion. The document length is short (2194 characters) and it is a formal regulatory communication about a financing event. Therefore, the document fits best under Capital/Financing Update (CAP).
2025-03-10 English
Regulatory Filings 2025
Regulatory Filings Classification · 95% confidence The document is a letter addressed to the SEC requesting acceleration of the effective date of a Registration Statement on Form S-1. It references Rule 461 under the Securities Act of 1933 and is signed by a company officer. The content is a formal regulatory communication related to the registration process for securities, not a financial report or earnings release. The document length is short (1706 characters) and it is a correspondence letter, not a report or presentation. Therefore, it fits best under Regulatory Filings (RNS), which covers general regulatory announcements and compliance documents that do not fit other categories.
2025-03-10 English
S-1
Capital/Financing Update Classification · 95% confidence The document is a Form S-1 Registration Statement filed with the U.S. Securities and Exchange Commission. It is a registration statement under the Securities Act of 1933 for the registration of shares of common stock by Amentum Holdings, Inc. The document includes a prospectus supplement and a prospectus related to the offering and sale of shares. It is not an annual report, earnings release, or any other financial report but a capital markets filing related to the registration and offering of securities. This type of document is best classified as a Capital/Financing Update (CAP) because it provides detailed information about a securities offering, including the terms, selling shareholders, underwriting, and related financial data. The document length is substantial and contains detailed offering information, not just an announcement or a brief notice, so it is not an RPA or RNS. Therefore, the correct classification is CAP with high confidence.
2025-03-10 English
FORM 8-K
Regulatory Filings Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a Current Report used to disclose unscheduled material events or corporate changes. The text specifically states that this filing is to reflect changes to the presentation of financial information in the previously filed Annual Report on Form 10-K for the fiscal year ended September 27, 2024. It updates segment reporting information and includes revised portions of the 10-K. The document does not contain the full annual report itself but is an update and amendment to the previously filed 10-K. Given the nature of the filing as a Current Report (Form 8-K) and the content focusing on updates to segment reporting and financial statement revisions, this fits best under Regulatory Filings (RNS), which is the fallback category for miscellaneous filings that do not fit other specific categories. It is not the full Annual Report (10-K) itself, nor is it a simple announcement of a report publication (RPA), but an SEC current report updating prior filings. Therefore, the classification is RNS with high confidence.
2025-03-07 English
FORM 4
Director's Dealing
2025-03-07 English

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