NYSE:CNR | Insider Transactions | Core Natural Resources, Inc.

CNR Insider Transactions

70 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–70; provenance stays internal.

CNR insiders transaction timeline

PurchaseSale
2017-12-08: 1 purchase — MILLS JOHN T2018-02-21: 1 purchase — ROBERSON ED2018-06-13: 4 sales — MILLS JOHN T2019-03-04: 1 sale — McCaffrey James J.2019-11-12: 1 purchase — MILLS JOHN T2020-02-19: 1 purchase — MILLS JOHN T2021-06-02: 1 sale — MILLS JOHN T2022-04-12: 1 sale — Salvatori Kurt R.2022-05-10: 1 sale — Bergeron Sophie2022-05-17: 1 sale — MILLS JOHN T2022-05-18: 1 sale — MILLS JOHN T2022-05-19: 1 sale — MILLS JOHN T2022-05-23: 2 sales — Platt Joseph P JR2022-08-17: 6 sales — Salvatori Kurt R., Wiegand Martha A, Brock James A2022-08-18: 1 sale — Rothka John2022-09-01: 2 sales — Wiegand Martha A2022-09-06: 1 sale — Wiegand Martha A2022-11-29: 1 sale — Brock James A2022-11-30: 1 sale — Brock James A2022-12-01: 1 sale — Brock James A2023-03-03: 1 sale — Rothka John2023-08-10: 2 sales — Salvatori Kurt R., Wiegand Martha A2023-08-11: 1 sale — MILLS JOHN T2023-08-14: 1 sale — MILLS JOHN T2023-08-15: 1 sale — MILLS JOHN T2023-09-15: 1 sale — Platt Joseph P JR2023-12-18: 3 sales — Wiegand Martha A, Brock James A2023-12-19: 3 sales — Brock James A2023-12-20: 2 sales — Brock James A2024-03-07: 1 sale — Rothka John2024-05-22: 1 sale — Brock James A2024-05-23: 1 sale — Brock James A2024-06-27: 4 sales — Brock James A2024-06-28: 4 sales — Brock James A2025-03-31: 2 sales — KOEPPEL HOLLY K2025-05-09: 1 purchase — Lang Paul A2025-09-17: 1 sale — KRIEGSHAUSER PATRICK A2025-09-25: 1 sale — NAVARRE RICHARD A2025-10-03: 1 sale — Rothka John2025-10-08: 1 sale — Rothka John2025-10-09: 1 sale — Rothka John2026-03-10: 2 sales — Rothka John, NAVARRE RICHARD A2026-03-17: 1 sale — Rothka John2026-03-18: 1 sale — Brock James A2026-03-19: 2 sales — Klein Rosemary L2017-12-082026-03-19
Insider profileRoleDateTransactionSharesPrice
Klein Rosemary LSVP, CLO & Corp. Sec.2026-03-19Sale5,000.0$110.62
Klein Rosemary LSVP, CLO & Corp. Sec.2026-03-19Sale10,000.0$105.0
Brock James AExecutive Chair and CEO2026-03-18Sale40,760.0$101.15
Rothka JohnChief Accounting Officer2026-03-17Sale1,000.0$97.66
Rothka JohnChief Accounting Officer2026-03-10Sale3,800.0$91.62
NAVARRE RICHARD ADirector2026-03-10Sale6,000.0$91.7
Rothka JohnChief Accounting Officer2025-10-09Sale1,000.0$100.0
Rothka JohnChief Accounting Officer2025-10-08Sale1,000.0$95.0
Rothka JohnChief Accounting Officer2025-10-03Sale2,500.0$90.0
NAVARRE RICHARD ADirector2025-09-25Sale5,000.0$82.2
KRIEGSHAUSER PATRICK ADirector2025-09-17Sale3,043.0$77.07
Lang Paul AChief Executive Officer2025-05-09Purchase7,500.0$66.95
KOEPPEL HOLLY KDirector2025-03-31Sale4,044.0$75.68
KOEPPEL HOLLY KDirector2025-03-31Sale4,771.0$74.97
Brock James AChief Executive Officer2024-06-28Sale3,700.0$102.29
Brock James AChief Executive Officer2024-06-28Sale4,488.0$101.26
Brock James AChief Executive Officer2024-06-28Sale4,410.0$100.46
Brock James AChief Executive Officer2024-06-28Sale3,100.0$99.79
Brock James AChief Executive Officer2024-06-27Sale300.0$101.83
Brock James AChief Executive Officer2024-06-27Sale200.0$100.51
Brock James AChief Executive Officer2024-06-27Sale400.0$99.36
Brock James AChief Executive Officer2024-06-27Sale800.0$98.56
Brock James AChief Executive Officer2024-05-23Sale900.0$98.19
Brock James AChief Executive Officer2024-05-22Sale5,400.0$98.21
Rothka JohnChief Accounting Officer2024-03-07Sale2,000.0$94.56
Brock James AChief Executive Officer2023-12-20Sale700.0$103.19
Brock James AChief Executive Officer2023-12-20Sale5,969.0$102.48
Brock James AChief Executive Officer2023-12-19Sale1,647.0$100.33
Brock James AChief Executive Officer2023-12-19Sale2,600.0$99.51
Brock James AChief Executive Officer2023-12-19Sale800.0$98.3
Wiegand Martha AGeneral Counsel & Secretary2023-12-18Sale3,334.0$100.0
Brock James AChief Executive Officer2023-12-18Sale105.0$99.23
Brock James AChief Executive Officer2023-12-18Sale1,517.0$98.22
Platt Joseph P JRDirector2023-09-15Sale10,227.0$98.33
MILLS JOHN TDirector2023-08-15Sale14,900.0$80.66
MILLS JOHN TDirector2023-08-14Sale8,507.0$80.49
MILLS JOHN TDirector2023-08-11Sale282.0$80.6
Salvatori Kurt R.Chief Administrative Officer2023-08-10Sale6,097.0$80.24
Wiegand Martha AGeneral Counsel & Secretary2023-08-10Sale10,000.0$80.33
Rothka JohnChief Accounting Officer2023-03-03Sale2,000.0$64.34
Brock James AChief Executive Officer2022-12-01Sale500.0$78.2
Brock James AChief Executive Officer2022-11-30Sale3,314.0$78.08
Brock James AChief Executive Officer2022-11-29Sale12,500.0$75.33
Wiegand Martha AGeneral Counsel & Secretary2022-09-06Sale8,500.0$75.0
Wiegand Martha AGeneral Counsel & Secretary2022-09-01Sale4,509.0$71.36
Wiegand Martha AGeneral Counsel & Secretary2022-09-01Sale3,991.0$70.29
Rothka JohnChief Accounting Officer2022-08-18Sale2,000.0$70.36
Salvatori Kurt R.Chief Administrative Officer2022-08-17Sale986.0$67.74
Salvatori Kurt R.Chief Administrative Officer2022-08-17Sale13,338.0$67.17
Wiegand Martha AGeneral Counsel & Secretary2022-08-17Sale7,000.0$67.03
Brock James AChief Executive Officer2022-08-17Sale10,617.0$68.61
Brock James AChief Executive Officer2022-08-17Sale18,174.0$67.71
Brock James AChief Executive Officer2022-08-17Sale21,209.0$67.0
Platt Joseph P JRDirector2022-05-23Sale2,800.0$51.9
Platt Joseph P JRDirector2022-05-23Sale11,377.0$51.34
MILLS JOHN TDirector2022-05-19Sale2,947.0$50.55
MILLS JOHN TDirector2022-05-18Sale1,230.0$51.3
MILLS JOHN TDirector2022-05-17Sale10,000.0$51.41
Bergeron SophieDirector2022-05-10Sale12,200.0$48.25
Salvatori Kurt R.Chief Administrative Officer2022-04-12Sale6,995.0$42.04
MILLS JOHN TDirector2021-06-02Sale15,702.0$16.58
MILLS JOHN TDirector2020-02-19Purchase4,000.0$6.46
MILLS JOHN TDirector2019-11-12Purchase4,000.0$12.55
McCaffrey James J.SVP - Coal Marketing2019-03-04Sale1,738.0$38.4
MILLS JOHN TDirector2018-06-13Sale4,000.0$43.5
MILLS JOHN TDirector2018-06-13Sale2,000.0$44.0
MILLS JOHN TDirector2018-06-13Sale4,000.0$43.5
MILLS JOHN TDirector2018-06-13Sale2,000.0$40.0
ROBERSON EDDirector2018-02-21Purchase610.0$33.01
MILLS JOHN TDirector2017-12-08Purchase4,000.0$24.16