Amentum Holdings, Inc. (AMTM)
NYQ – Real Time Price. Currency in USD
24.31
+0.37 (1.55%)
At close: May 12, 2026, 4:03 PM EDT
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NYQ – Real Time Price. Currency in USD
24.31
+0.37 (1.55%)
At close: May 12, 2026, 4:03 PM EDT
Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.
| Name | Position |
|---|---|
| Mr. John E. Heller | CEO & Director |
| Mr. Joseph William DeNardi | Senior VP & Head of Investor Relations |
| Mr. Luis German | Chief Information Officer |
| Mr. Sean Mullen | Chief Growth Officer |
| Mr. Stephen A Arnette | Chief Operating Officer |
| Mr. Steven J. Demetriou | Executive Chair |
| Mr. Travis Barton Johnson | Chief Financial Officer |
| Ms. Jill Bruning | Chief Technology Officer |
| Ms. Karina Vollmer | Chief Ethics & Compliance Officer |
| Ms. Michele St. Mary | Chief Legal Officer, General Counsel & Corporate Secretary |
| Date | Type | Document |
|---|---|---|
| 2026-05-11 | 8-K | amtm-20260511.htm |
| 2026-04-28 | 8-K | amtm-20260424.htm |
| 2026-02-10 | 8-K | amtm-20260206.htm |
| 2026-02-09 | 8-K | amtm-20260209.htm |
| 2025-12-19 | DEFA14A | tm2523471d4_defa14.htm |
| 2025-11-25 | 10-K | amtm-20251003.htm |
| 2025-11-24 | 8-K | amtm-20251124.htm |
| 2025-10-01 | S-3ASR | amentum-sx3asrshelfregistr.htm |
| 2025-08-06 | 10-Q | amtm-20250627.htm |
| 2025-08-05 | 8-K | amtm-20250805.htm |