Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:08a650fa-702e-cf97-62f4-663325c8fd43 2026-11-15T02:38:42-05:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services AMTM: ARNETTE STEPHEN A (COO) Acquired (JB) 12,702 Shares of AMENTUM HOLDINGS INC for $0.00 on 11/6 urn:uuid:38c163f7-a7dc-4444-2166-3ea4dd276a36 2026-11-10T17:54:52-05:00 AMTM: ARNETTE STEPHEN A (COO) Disposed (JS) 4,999 Shares of AMENTUM HOLDINGS INC for $21.25 on 11/6 urn:uuid:912a5de2-e205-cc80-b5ea-ece53a558c91 2026-11-10T17:54:52-05:00 AMTM: JOHNSON TRAVIS BARTON (CFO) Acquired (JB) 12,097 Shares of AMENTUM HOLDINGS INC for $0.00 on 11/6 urn:uuid:29c5f2a0-c8d3-f368-76cc-9a2de25cc3ff 2026-11-10T17:54:20-05:00 AMTM: JOHNSON TRAVIS BARTON (CFO) Disposed (JS) 5,064 Shares of AMENTUM HOLDINGS INC for $21.25 on 11/6 urn:uuid:5e659a2e-b58e-e8c4-f181-0a1a4827eed3 2026-11-10T17:54:20-05:00 AMTM: MULLEN SEAN THOMAS (O) Acquired (JB) 4,839 Shares of AMENTUM HOLDINGS INC for $0.00 on 11/6 urn:uuid:0ef08e05-afeb-5b52-03ab-844b5f625d2e 2026-11-10T17:53:46-05:00 AMTM: MULLEN SEAN THOMAS (O) Disposed (JS) 2,183 Shares of AMENTUM HOLDINGS INC for $21.25 on 11/6 urn:uuid:13c309bd-660b-181d-3b45-6bf6bca27b63 2026-11-10T17:53:46-05:00 AMTM: BRUNING JILL L (CTO) Acquired (JB) 4,839 Shares of AMENTUM HOLDINGS INC for $0.00 on 11/6 urn:uuid:642b0fde-c208-4532-241b-89e8f1e9c585 2026-11-10T17:53:18-05:00 AMTM: BRUNING JILL L (CTO) Disposed (JS) 1,457 Shares of AMENTUM HOLDINGS INC for $21.25 on 11/6 urn:uuid:1fe3d029-0942-7803-27f2-6f1720071fbe 2026-11-10T17:53:18-05:00 AMTM: HELLER JOHN E (CEO,DIR) Acquired (JB) 39,618 Shares of AMENTUM HOLDINGS INC for $0.00 on 11/6 urn:uuid:61a09c74-8bcd-262c-c8dc-8b8603e030d7 2026-11-10T17:52:41-05:00 AMTM: HELLER JOHN E (CEO,DIR) Disposed (JS) 17,868 Shares of AMENTUM HOLDINGS INC for $21.25 on 11/6 urn:uuid:ca56cfbb-f816-b98b-0917-3b30003c512e 2026-11-10T17:52:41-05:00