Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:f9ee2437-33da-a87b-5b0d-6c85194c7bde 2026-05-12T21:46:11-04:00 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 CEIX: KEATING RONALD C (DIR) Acquired (JB) 1,390 Shares of CORE NATURAL RESOURCES INC for $0.00 on 4/30 urn:uuid:f3e740d4-3056-e3cf-538e-d08ac4cbeb21 2026-05-01T11:10:22-04:00 CEIX: DOHENY EDWARD L II (DIR) Acquired (JB) 1,390 Shares of CORE NATURAL RESOURCES INC for $0.00 on 4/30 urn:uuid:f67f5664-d166-30eb-2f65-16eb9480d69a 2026-05-01T11:09:45-04:00 CEIX: KEATING RONALD C (DIR) Filed a Form 3, Becoming a Registered Insider at CORE NATURAL RESOURCES INC With Initial Holdings of 0 urn:uuid:5551be61-0406-9901-7a23-a7318c5e9163 2026-05-01T10:22:44-04:00 CEIX: DOHENY EDWARD L II (DIR) Filed a Form 3, Becoming a Registered Insider at CORE NATURAL RESOURCES INC With Initial Holdings of 0 urn:uuid:8c02fa8f-6f5d-f6bd-9b94-9eedeaae29c2 2026-05-01T10:18:00-04:00 CEIX: BROCK JAMES A (CB,CEO,DIR) Acquired (JB) 24,440 Shares of CORE NATURAL RESOURCES INC for $0.00 on 3/24 urn:uuid:fe301582-18c5-64f8-012a-ad49f2cfb677 2026-03-25T16:35:41-04:00 CEIX: BROCK JAMES A (CB,CEO,DIR) Disposed (JS) 24,440 Shares of CORE NATURAL RESOURCES INC for $0.00 on 3/24 urn:uuid:b93b3a19-90b2-ec2c-2c94-6fb2e85268a3 2026-03-25T16:35:41-04:00 CEIX: KLEIN ROSEMARY L (VP,LO,SEC) Sold (JS*) 15k Shares of CORE NATURAL RESOURCES INC for $105.00-$110.62 on 3/19 urn:uuid:ac73aa5e-5974-4d48-595b-eb7e07be7ab6 2026-03-20T10:27:21-04:00 CEIX: BROCK JAMES A (CB,CEO,DIR) Sold (JS*) 40,760 Shares of CORE NATURAL RESOURCES INC for $101.15 on 3/18 urn:uuid:8d91ec34-bcd5-057d-34db-c305d347fec8 2026-03-19T17:42:17-04:00 CEIX: ROTHKA JOHN (CAO) Sold (JS*) 1k Shares of CORE NATURAL RESOURCES INC for $97.66 on 3/17 urn:uuid:1c077324-f1e8-bf06-ed98-e8e7fe4420e0 2026-03-19T10:58:27-04:00 CEIX: ROTHKA JOHN (CAO) Sold (JS*) 3,800 Shares of CORE NATURAL RESOURCES INC for $91.62 on 3/10 urn:uuid:aba3e1a6-ae7c-4020-7e4c-e5785e0f9476 2026-03-11T11:40:47-04:00