Core Natural Resources, Inc.
SEC CIK 1710366 · CNR · last insider filing 2026-05-01
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Keating Ronald C | Director | filed 2026–2026 |
| Doheny Edward L II | Director | filed 2026–2026 |
| Brock James A | Director · Executive Chair and CEO | filed 2017–2026 |
| Navarre Richard A | Director | filed 2025–2026 |
| Kriegshauser Patrick A | Director | filed 2025–2026 |
| Koeppel Holly K | Director | filed 2025–2026 |
| Platt Joseph P JR | Director | filed 2017–2026 |
| Perera Valli | Director | filed 2023–2026 |
| Lang Paul A | Director · Chief Executive Officer | filed 2025–2025 |
| Pan Cassandra Chia-Wei | Director | filed 2023–2025 |
| Mills John T | Director | filed 2017–2024 |
| Powell William P | Director | filed 2017–2023 |
| Bergeron Sophie | Director | filed 2019–2022 |
| Roberson ED | Director | filed 2017–2022 |
| Khani David M. | Director · EVP & Chief Financial Officer | filed 2017–2019 |
| Carpenter Alvin R | Director | filed 2017–2018 |
| Deluliis N J | Director | filed 2017–2017 |
| Johnson Stephen W | Director | filed 2017–2017 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Klein Rosemary L | SVP, CLO & Corp. Sec. | filed 2025–2026 |
| Rothka John | Chief Accounting Officer | filed 2017–2026 |
| Slone Deck | SVP, Strategy & Public Policy | filed 2025–2026 |
| Schuller George John JR | SVP, Chief Operating Officer | filed 2025–2026 |
| Salvatori Kurt R. | SVP, Chief Admin. Officer | filed 2017–2026 |
| Thakkar Miteshkumar | See Remarks | filed 2020–2026 |
| Braithwaite Robert J. Jr. | SVP, Marketing & Sales | filed 2025–2026 |
| Wiegand Martha A | General Counsel & Secretary | filed 2017–2024 |
| Mccaffrey James J. | See Remarks | filed 2017–2020 |
| Fredriksen Katharine A. | President | filed 2017–2017 |
About this record
From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.
Source: SEC Insider Transactions Data Sets (Forms 3/4/5), US Federal Government public domain.