News25/Ratings12
News · 26 weeks69+75%
2025-10-262026-04-19
Mix3090d
- Insider12(40%)
- Other11(37%)
- Earnings3(10%)
- SEC Filings3(10%)
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Latest news
25 items- PRAmentum to Host Second Quarter Fiscal Year 2026 Earnings Conference Call on May 12, 2026Amentum (NYSE:AMTM), a global leader in advanced engineering and innovative technology solutions, will host a conference call on May 12, 2026, at 8:30 AM EDT to discuss financial results for the second quarter fiscal year 2026 ending April 3, 2026. A news release containing the results will be issued prior to the call. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260415046265/en/Amentum FY26 Q2 Earnings The conference call will be webcast to the public through a link on Amentum's Investor Relations Website. A replay of the conference call, along with the earnings press release, presentation slides and supplemental financial di
- PRAmentum Appoints Joseph DeNardi as Senior Vice President and Head of Investor RelationsAmentum (NYSE:AMTM), a global leader in advanced engineering and technology solutions, today announced the appointment of Joseph (Joe) DeNardi as Senior Vice President and Head of Investor Relations. DeNardi will lead Amentum's investor relations strategy, oversee engagement with the investment community, and help drive strategic financial initiatives that support the company's long-term growth objectives. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260422684347/en/Joe DeNardi, Amentum Senior Vice President and Head of Investor Relations "Joe DeNardi's deep understanding of the government services and defense sectors, combine
- PRAmentum Powers Ground Systems Operations for NASA's Historic Artemis II MissionTeam Performs Seamless Launch Preparation and Pad Operations at Kennedy Space Center Amentum (NYSE:AMTM) provided critical ground systems operations to NASA on the Artemis II mission, the first crewed flight in the Artemis program. The mission marked a new era in human space exploration, advancing NASA's objective of a sustainable lunar presence and setting the stage for future deep-space exploration and habitation. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260413489409/en/ "Artemis II is a giant leap not just for NASA, but for humanity's reawakening to human space exploration," said Mark Walter, president of Amentum's En
- PRAmentum Secures $425 Million Contract to Support California's Aerial Firefighting OperationsAmentum (NYSE:AMTM) has been awarded a $425 million contract by the California Department of Forestry and Fire Protection (CAL FIRE) to deliver aerial firefighting support to the state. The initial three-year contract includes two option years. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260407535846/en/California Department of Forestry and Fire Protection (CAL FIRE) The partnership underscores the company's commitment to supporting California in its battle against wildfires. "Amentum is uniquely positioned to manage the training, scheduling and mobilization of pilots and mechanics to deliver aviation solutions that protect
- PRDeep Isolation Nuclear Selected for ARPA-E SCALEUP Award to Advance Universal Canister System and Deep Borehole DisposalBERKELEY, Calif., April 07, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced it was selected for the U.S. Department of Energy's ARPA-E SCALEUP Ready program, supporting the commercial deployment of its Universal Canister System (UCS) for integrated nuclear waste management. SCALEUP Ready is ARPA-E's latest initiative to accelerate technologies toward market adoption and committed up to $40 million to support two projects, including the Deep Isolation project. Read more: ARPA-E Announcement. The SCALEUP program bridges the gap between pilot-scale demonstration and full comme
- PRAmentum-Led Joint Venture Secures $406 Million Contract as Owner's Engineer for UK's First Small Modular ReactorsGreat British Energy – Nuclear (GBE-N) has awarded a $406 million (£300 million) contract to a joint venture between Amentum (NYSE:AMTM) and Cavendish Nuclear to serve as the owner's engineer for the UK's groundbreaking small modular reactor (SMR) program. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260401059776/en/Contract signing - left to right: Mick Gornall, Managing Director, Cavendish Nuclear; Loren Jones, Senior Vice President, Amentum; Simon Roddy, Chief Executive Officer, Great British Energy-Nuclear; Kenny Douglas, DevCo Director, Great British Energy-Nuclear This long-term agreement, with a maximum duration of 14 y
- PRAmentum Expands Operations in Hawaii, Enhances Support for USINDOPACOM, and Launches the Center for Contested LogisticsAmentum (NYSE:AMTM) announces the relocation of its Hawaii office from Aiea to a new, significantly larger facility at 3375 Koapaka Street in Honolulu. This strategic move quadruples the size of Amentum's local headquarters and reflects the company's commitment to bolstering U.S. Indo-Pacific Command (USINDOPACOM) mission delivery in the region. The expansion also includes the establishment of a new Center for Contested Logistics, a cutting-edge hub aimed at addressing one of modern warfare's most critical challenges. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260330639773/en/Image credit: Captain Jared McCully, U.S. Army "O
- SECAmendment: SEC Form SCHEDULE 13G/A filed by Amentum Holdings Inc.SCHEDULE 13G/A - Amentum Holdings, Inc. (0002011286) (Subject)
- PRAmentum-led Joint Venture selected for $112 Million Clean-up at Four European Nuclear Research SitesA joint venture led by Amentum (NYSE:AMTM) has won a new framework contract as the lead decommissioning and waste management contractor for nuclear research sites in four European countries. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260310491705/en/Pavol Stuller, Amentum's European Development Director, and Laurent Jerrige, JRC Director for Nuclear Decommissioning, signing the contract. Under the $112 million (€95.7 million) contract, awarded by the European Commission Joint Research Centre (JRC), the Amentum-led JV will provide decommissioning solutions to accelerate the cleanup efforts of JRC sites in Ispra (Italy), Karls
- INSIDERChief Technology Officer Bruning Jill L gifted 30,000 shares, decreasing direct ownership by 14% to 190,999 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERChief Operating Officer Arnette Stephen A converted options into 2,808 shares and covered exercise/tax liability with 750 shares, increasing direct ownership by 2% to 96,357 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- PRAmentum to Open New Global Headquarters Reflecting Growth and Expanded MissionState-of-the-art Hub, featuring a Next-Gen Technology Showcase, to Open in 2027 Amentum (NYSE:AMTM), a global leader in advanced engineering and technology solutions, will open a new worldwide headquarters in Reston, Virginia in early 2027. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260219897001/en/Image courtesy of Comstock The company has signed a 45,000-square-foot lease at 1900 Reston Metro Plaza located in the heart of Reston Station's Metro Plaza District. The LEED-Gold certified building designed by world-renowned architect Helmut Jahn, is a sixteen-story office tower with immediate access to Metro's Silver Line wit
- INSIDERChief Legal Officer & GC St. Mary Michele T converted options into 7,080 shares and covered exercise/tax liability with 2,308 shares, increasing direct ownership by 21% to 27,043 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- PRAmentum Selected to Advance UK Hypersonic Strike CapabilitiesAmentum (NYSE:AMTM) has been selected to provide missile design engineering and program management expertise to advance the UK's ambition for hypersonic strike capabilities. The Industry Mission Partner (IMP) contract was awarded by Team Hypersonics UK, part of the Ministry of Defence, to accelerate weapon development and sovereign capability while bolstering collaboration with Australia and the United States through the AUKUS agreement. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260217109457/en/An impression of a hypersonic missile. Image credit: courtesy of the Ministry of Defence. Amentum will set up a Joint Programme Off
- INSIDERDirector Ireland Susan Leslie was granted 5,062 shares, increasing direct ownership by 147% to 8,509 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERDirector Rowland Sandra E. was granted 5,062 shares and converted options into 11,564 shares, increasing direct ownership by 482% to 20,073 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERDirector Eberhart Ralph E was granted 5,062 shares and converted options into 11,564 shares, increasing direct ownership by 53% to 48,120 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERDirector Brooks Vincent K converted options into 11,564 shares and was granted 5,062 shares, increasing direct ownership by 153% to 27,462 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERAmendment: SEC Form 4 filed by Executive Chair Demetriou Steven J.4/A - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERDirector Loughran Barbara was granted 5,062 shares, increasing direct ownership by 110% to 9,662 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERDirector Vollmer John C. converted options into 11,564 shares and was granted 5,062 shares, increasing direct ownership by 4% to 429,842 units (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- INSIDERDirector Thompson Christopher M.T. was granted 5,062 shares (SEC Form 4)4 - Amentum Holdings, Inc. (0002011286) (Issuer)
- SECAmentum Holdings Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders8-K - Amentum Holdings, Inc. (0002011286) (Filer)
- SECSEC Form 10-Q filed by Amentum Holdings Inc.10-Q - Amentum Holdings, Inc. (0002011286) (Filer)
- SECAmentum Holdings Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits8-K - Amentum Holdings, Inc. (0002011286) (Filer)