Stephen A. Arnette

Stephen A. Arnette is recorded as COO at Amentum Holdings, Inc. (AMTM) since September 27, 2024. The newest filing on record that lists Stephen A. Arnette as COO at Amentum Holdings, Inc. (AMTM) is dated December 19, 2025. Jacobs Solutions Inc. reported in an 8-K filed September 30, 2024 that Stephen A. Arnette resigned as Executive Vice President and President of the Critical Mission Solutions Business, effective September 27, 2024. Amentum Holdings, Inc. reported in an 8-K filed September 27, 2024 that Stephen A. Arnette was appointed Chief Operating Officer, effective September 27, 2024. The proxy statement of Amentum Holdings, Inc. reports total compensation of $2,658,972 for Stephen A. Arnette in fiscal 2024, including a base salary of $586,154. Amentum Holdings, Inc. is classified in the Specialty Business Services industry within the Industrials sector. Other leadership on record at Amentum Holdings, Inc. includes Steven Demetriou (Chairman), Steven J. Demetriou (Chairman and Board Member), Travis B. Johnson (CFO and Chief Accounting Officer) and 7 others.