Amentum Holdings, Inc. (AMTM)
NYSE: AMTM · Real-Time Price · USD
23.60
-0.14 (-0.59%)
Jul 16, 2025, 11:27 AM - Market open
Company Description
Amentum Holdings, Inc. provides engineering and technology solutions to the U.S. and allied government agencies.
It offers supporting programs of critical national importance across energy and environmental, intelligence, space, defense, civilian, and commercial end-markets.
It offers a range of capabilities, including environment and climate sustainability, intelligence and counter threat solutions, data fusion and analytics, engineering and integration, advanced test, training and readiness, and citizen solutions.
The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.
Amentum Holdings, Inc.
| Country | United States |
| Founded | 2020 |
| Industry | Specialty Business Services |
| Sector | Industrials |
| Employees | 53,000 |
| CEO | John Heller |
Contact Details
Address: 4800 Westfields Blvd, Suite #400 Chantilly, Virginia 20151 United States | |
| Phone | 703 579 0410 |
| Website | amentum.com |
Stock Details
| Ticker Symbol | AMTM |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | October - September |
| Reporting Currency | USD |
| CIK Code | 0002011286 |
| CUSIP Number | 023939101 |
| ISIN Number | US0239391016 |
| Employer ID | 99-0622272 |
| SIC Code | 7389 |
Key Executives
| Name | Position |
|---|---|
| John E. Heller | Chief Executive Officer and Director |
| Steven J. Demetriou | Executive Chair |
| Travis Barton Johnson | Chief Accounting Officer and Chief Financial Officer |
| Stephen A Arnette | Chief Operating Officer |
| Sean Mullen | Chief Growth Officer |
| Jill Bruning | Chief Technology Officer |
| Luis German | Chief Information Officer |
| Nathan Rutledge | Senior Vice President and Head of Investor Relations |
| Karina Vollmer | Chief Ethics and Compliance Officer |
| Michele St. Mary | Chief Legal Officer and General Counsel |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| May 9, 2025 | SCHEDULE 13G/A | Filing |
| May 7, 2025 | 10-Q | Quarterly Report |
| May 6, 2025 | 8-K | Current Report |
| Mar 13, 2025 | SCHEDULE 13G/A | Filing |
| Mar 12, 2025 | 424B4 | Prospectus |
| Mar 11, 2025 | EFFECT | Notice of Effectiveness |
| Mar 10, 2025 | S-1 | General form for registration of securities under the Securities Act of 1933 |
| Mar 7, 2025 | 8-K | Current Report |
| Mar 7, 2025 | 8-K | Current Report |
| Mar 7, 2025 | 8-K | Current Report |