Welcome to our dedicated page for Core Natural Resources SEC filings (Ticker: CNR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Core Natural Resources, Inc. filings document the company's coal operating results, mine-safety disclosures, governance votes and Regulation FD communications. Form 8-K reports include quarterly earnings releases, investor presentations, updates on longwall operations at Leer South and West Elk, and mine-safety events reported under the Federal Mine Safety and Health Act.
Proxy and annual meeting materials cover director elections, auditor ratification, executive compensation votes, common-stock voting matters and related governance disclosures. The filings also provide formal records of capital-structure information, operating and financial results, and material events affecting the company's metallurgical and thermal coal operations.
Core Natural Resources, Inc. director Perera Valli received an equity award in the form of 1,610 restricted stock units of common stock. The grant was made at a price of $0.00 per share as a compensation award, not an open-market purchase.
The restricted stock units were granted under the company’s Omnibus Performance Incentive Plan and vest on the first anniversary of the grant date. After this award, Valli beneficially owns 9,317 shares of common stock, of which 1,610 are unvested restricted stock units that will convert into shares upon vesting.
Core Natural Resources, Inc. reported insider equity activity for SVP and Chief Operating Officer George John Schuller Jr. He received a grant of 7,530 restricted stock units on February 17, 2026, vesting in equal annual installments over three years, with each unit representing one share of common stock.
On February 18, 2026, the company withheld 713 shares and 1,069 shares of common stock, each at $88.96 per share, to satisfy his tax liability from the vesting of previously granted restricted stock units. Following these transactions, he held 27,338 shares of common stock, of which 16,274 were unvested restricted stock units.
Core Natural Resources, Inc. senior vice president of Marketing & Sales, Robert J. Braithwaite Jr., reported equity compensation activity and related tax withholding. On February 17, he acquired 4,440 restricted stock units at $0.00 per share as a grant that vests in equal annual installments over three years, beginning on the first anniversary of the grant date. Each unit represents a contingent right to receive one share of common stock. On February 18, a total of 774 shares of common stock were disposed of at $88.96 per share to satisfy his tax liability from vesting of previously granted restricted stock units. Following these transactions, he directly owned 16,290 shares of common stock, including 8,169 unvested restricted stock units.
Core Natural Resources, Inc. senior vice president and chief administrative officer Kurt R. Salvatori received a grant of 4,820 restricted stock units under the company’s Omnibus Performance Incentive Plan. These units vest in equal annual installments over three years starting on the first anniversary of the grant, with each unit representing one share of common stock.
On the same dates, 459 shares and 689 shares of common stock were withheld as tax-withholding dispositions tied to the vesting of previously granted restricted stock units, rather than open-market sales. After these transactions, Salvatori holds 24,585 shares of common stock directly, including 10,441 unvested restricted stock units.
Core Natural Resources, Inc. Chief Accounting Officer John Rothka reported routine equity compensation activity involving the company’s common stock. On February 17, 2026, he acquired 760 restricted stock units as a grant that vests in three equal annual installments, with each unit representing the right to receive one share of common stock. On February 18, 2026, 97 shares were disposed of to cover tax withholding arising from the vesting of previously granted restricted stock units, rather than through an open-market sale. Following these transactions, he directly owned 9,970 shares of common stock, including 1,312 unvested restricted stock units.
Core Natural Resources, Inc. director Joseph P. Platt Jr. reported an equity award on a Form 4. He acquired 1,610 restricted stock units of common stock as a grant under the company’s Omnibus Performance Incentive Plan at a stated price of $0.00 per share.
The restricted stock units vest on the first anniversary of the grant date, with each unit representing a contingent right to receive one share of common stock. After this award, he directly holds 40,648 shares of the company’s common stock, including 1,610 unvested restricted stock units.
Core Natural Resources, Inc. Executive Chair and CEO Brock James A reported routine equity compensation activity. On February 17, he received a grant of 21,190 restricted stock units that vest in three equal annual installments, each unit representing one share of common stock. On February 18, he disposed of 66,365 shares and 4,440 shares at $88.96 per share to cover tax liabilities from previously granted RSUs as they vested, rather than through open-market sales. After these transactions he held 266,967 shares directly, including 44,632 unvested RSUs, along with additional indirect holdings through the Lee Ann Brock Trust, SLAT-1, and GRAT-1.
Core Natural Resources SVP Slone Deck reported routine equity compensation and related tax withholding transactions. On February 17, 2026, Deck received a grant of 5,060 restricted stock units that vest in equal annual installments over three years, each unit representing one share of common stock. On February 18, 2026, the company withheld 487 and 731 shares of common stock at $88.96 per share to cover Deck’s tax obligations from previously vesting awards. Following these transactions, Deck held 70,207 shares of common stock directly, including 10,917 unvested restricted stock units.
Core Natural Resources, Inc. director Holly K. Koeppel reported an equity award of company stock. She acquired 1,610 shares of common stock on a grant basis, recorded at a price of $0.00 per share, as part of an incentive arrangement rather than an open-market purchase.
According to the footnotes, this grant consists of restricted stock units issued under the company’s Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date, with each unit converting into one share of common stock. After this award, Koeppel holds 14,958 shares of common stock in total, including 1,610 unvested restricted stock units.
Core Natural Resources, Inc. reports a transformed business following its January 14, 2025 all‑stock merger of equals between CONSOL Energy and Arch Resources and subsequent rebranding to Core Natural Resources, trading under ticker CNR.
For 2025, the company generated $4,165 million in revenue with total coal production of 87.8 million tons, including 30.5 million tons of high calorific value thermal coal, 8.4 million tons of metallurgical coal and 48.9 million tons from Powder River Basin operations. High‑CV thermal realizations averaged $60.34 per ton, metallurgical coal $102.36 per ton and PRB coal $14.46 per ton.
The company highlights large, long‑life reserves, including 529.0 million tons at the Pennsylvania Mining Complex, 170.2 million tons at the Leer metallurgical complex and 331.5 million tons at Black Thunder, plus extensive additional resources. Management emphasizes safety performance, strong contracted domestic thermal positions, expanded export and metallurgical platforms, and disciplined capital allocation, including a $600 million revolving credit facility and long‑dated tax‑exempt bonds, to support cash generation and potential shareholder returns.