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 and Executive Chair/CEO Brock James A reported bona fide gifts of a total of 48,880 shares of common stock on 2026-03-24.
The filing shows 24,440 shares gifted from an indirect holding by the Lee Ann Brock Trust and 24,440 shares gifted from his direct holdings, both at a reported price of $0.00 per share, reflecting non-cash transfers.
After these transactions, he holds 291,415 shares directly, including 44,640 unvested restricted stock units, and also has indirect holdings of 100,000 shares through SLAT-1 and 117,398 shares through GRAT-1. Footnotes state the gifts were made under a long-term strategy for estate planning purposes.
Core Natural Resources, Inc. insider Rosemary L. Klein, SVP, CLO & Corporate Secretary, reported open-market sales of company common stock. On March 19, 2026, she sold 10,000 shares at $105.00 per share and an additional 5,000 shares at $110.62 per share, totaling 15,000 shares.
After these transactions, Klein directly holds 53,679 shares of common stock, of which 11,045 shares are unvested restricted stock units, indicating she retains a meaningful equity stake and ongoing equity-based compensation exposure to the company.
Core Natural Resources, Inc. executive chair and CEO Brock James A reported an indirect open‑market sale of 40,760 shares of common stock at a weighted average price of $101.15 per share through the SLAT-1 vehicle. The sale was made in connection with a long-term estate planning strategy.
Following this transaction, he continues to hold substantial indirect positions, including 100,000 shares via SLAT-1, 24,440 shares in the Lee Ann Brock Trust, and 117,398 shares via GRAT-1, as well as a direct holding of 266,975 shares, which includes 44,640 unvested restricted stock units.
CNR Rule 144 notice: 15,000 shares of Common Stock are listed for sale through Morgan Stanley Smith Barney LLC relating to restricted stock vesting under a registered plan on 02/25/2024. The sale is linked to shares issued for services rendered.
Core Natural Resources, Inc. Chief Accounting Officer John Rothka reported an open-market sale of 1,000 shares of common stock on March 17, 2026. The shares were sold at a weighted average price of $97.66 per share, in multiple trades between $97.65 and $97.75. After this transaction, he directly holds 5,190 shares, including 1,314 unvested restricted stock units, indicating he retains a meaningful equity stake in the company.
John Rothka reported insider sales of Common Stock for CNR. The filing shows a sale of $348,150 for 3,800 shares on 03/10/2026. The filing also lists 1,000 Common Shares tied to Restricted Stock Units dated 02/23/2026 under equity compensation.
Core Natural Resources, Inc. is holding its 2026 virtual annual meeting on April 30, 2026, asking stockholders to elect eight directors, ratify Ernst & Young LLP as auditor for 2026, and approve 2025 executive pay on an advisory basis.
Formed in January 2025 through a merger of equals between CONSOL Energy and Arch Resources, Core operates a large portfolio of longwall and surface coal mines and strategic export terminals. In 2025 it generated cash flow from operations of $305.8 million and free cash flow of $246.1 million, and returned $245.1 million to stockholders via repurchasing 3.1 million shares and paying $20.8 million in dividends.
The company adopted a capital return framework targeting roughly 75% of free cash flow, a new pay-for-performance executive compensation program with a mix of RSUs and PSUs, and strengthened governance with 83% independent directors, four fully independent committees, stock ownership guidelines, and policies such as clawbacks, anti-hedging, and insider trading controls.
Core Natural Resources, Inc. Chief Accounting Officer John Rothka reported an open-market sale of 3,800 shares of common stock at a weighted average price of $91.62 per share. After the sale, he directly holds 6,190 shares, including 1,314 unvested restricted stock units that continue to represent future equity-based compensation.
Core Natural Resources, Inc. director Richard A. Navarre reported an open-market sale of 6,000 shares of common stock at $91.70 per share. After the transaction, he directly holds 18,034 shares, of which 2,200 are unvested restricted stock units.