Insider Trading Headlines for Monday December 15th 2025 | Insider Insights urn:uuid:95e3cf34-1646-fb8a-80e5-d9c55d0a50b1 2026-09-19T10:38:36-04:00 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 AI: SIEBEL THOMAS M (CB,DIR,BO) Acquired (JB) 767,129 Shares of C3 AI INC for $0.00 on 12/11 urn:uuid:410e5a1a-b0b6-c732-92c4-4744441c3c6b 2025-12-15T21:55:06-05:00 AI: SIEBEL THOMAS M (CB,DIR,BO) Acquired (JB) 21,767 Shares of C3 AI INC for $0.00 on 12/15 urn:uuid:4d645ebc-4434-805d-9511-79343c879d82 2025-12-15T21:55:06-05:00 AI: SIEBEL THOMAS M (CB,DIR,BO) Disposed (JS) 21,767 Shares of C3 AI INC for $0.00 on 12/15 urn:uuid:8d2c8df2-4470-67e4-293c-986f7bbdd735 2025-12-15T21:55:06-05:00 AI: SIEBEL THOMAS M (CB,DIR,BO) Sold (S) 23k Shares of C3 AI INC for $15.94 on 12/12 urn:uuid:0dfd6693-4963-cacc-1667-a5fad85c5905 2025-12-15T21:55:06-05:00 AMPG: MODI SHAILESH (DIR) Acquired (JB) 15k Shares of AMPLITECH GROUP INC for $3.08 on 12/12 urn:uuid:230b98d9-3c26-b0bd-b9a1-a2a79cd4b494 2025-12-15T21:47:21-05:00 AMPG: MAZZIOTA DANIEL RICHARD (DIR) Acquired (JB) 15k Shares of AMPLITECH GROUP INC for $3.08 on 12/12 urn:uuid:c1fc6332-6c4a-3cbd-aa11-41e7ed5805e4 2025-12-15T21:45:49-05:00 AMPG: LEE ANDREW DYLAN (DIR) Acquired (JB) 15k Shares of AMPLITECH GROUP INC for $3.08 on 12/12 urn:uuid:c2ad0b82-aef0-3c9f-1e5b-8cf16b23b6fa 2025-12-15T21:44:07-05:00 ADGM: USEN TODD (CEO,DIR) Bought (B) 207,315 Shares of ADAGIO MEDICAL HOLDINGS INC for $1.09 on 12/12 urn:uuid:94b0d658-5ca7-b4c5-9983-b9e16a66c68f 2025-12-15T21:24:15-05:00 ARTV: ASLAN FRED (PR,CEO,DIR) Sold (AS) 3,187 Shares of ARTIVA BIOTHERAPEUTICS INC for $6.00 on 12/15 urn:uuid:c7ddfc4e-65a5-5682-f976-9d0baf135a3c 2025-12-15T21:19:28-05:00 AMR: HORN DANIEL E (O) Sold (S) 8,125 Shares of ALPHA METALLURGICAL RESOURCES INC for $186.19-$189.82 on 12/11 urn:uuid:d1b4cb5c-e4b6-599f-2305-9bdd1af333cc 2025-12-15T20:50:49-05:00