Every Form 4 that Core Natural Resources, Inc. (CNR) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow CNR and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full CNR filings page.
Keating Ronald C reported acquisition or exercise transactions in this Form 4 filing.
Core Natural Resources, Inc. director Ronald C. Keating received a compensation grant of 1,390 restricted stock units under the company’s Omnibus Performance Incentive Plan. These units vest on the first anniversary of the grant date, and each unit represents a right to receive one share of common stock.
Doheny Edward L II reported acquisition or exercise transactions in this Form 4 filing.
Core Natural Resources, Inc. director Edward L. Doheny II received an equity grant of 1,390 shares of Common Stock in the form of restricted stock units. The units were granted at no cash cost per share and will vest on the first anniversary of the grant date.
All 1,390 units are unvested and each unit represents a contingent right to receive one share of Core Natural Resources common stock, so the director’s reported post-transaction holding consists entirely of these unvested restricted stock units.
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.
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.
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.
Core Natural Resources, Inc. director Holly K. Koeppel filed an amended Form 4 to correct her reported direct ownership of common stock. A prior Form 4 contained immaterial clerical rounding errors, and the corrected total number of shares directly beneficially owned is now reported as 14,970.
Core Natural Resources, Inc. director Joseph P. Platt Jr. filed an amended insider report to correct a previously misstated share balance. The amendment explains that an earlier Form 4 contained immaterial clerical rounding errors in the total number of common shares directly beneficially owned.
The corrected figure shows that Platt directly owns 40,660 shares of common stock, par value $0.01 per share. The filing does not reflect a new purchase or sale of shares, but instead updates the reported ownership amount to the accurate total.
Core Natural Resources, Inc. director Richard A. Navarre filed an amended Form 4 to correct his reported shareholdings. The filing states that an earlier Form 4 contained immaterial clerical rounding errors and now shows that he directly and beneficially owns 24,034 shares of common stock.
Core Natural Resources, Inc. director Perera Valli filed an amended insider report to correct a prior clerical error in reported share ownership. The filing states that due to immaterial rounding errors, a previous Form 4 showed an incorrect total. The corrected amount of common stock directly beneficially owned is now reported as 9,329 shares, with no new buy or sell transaction indicated.
Core Natural Resources director Patrick A. Kriegshauser filed an amended Form 4 to correct his reported common stock holdings. A prior Form 4 contained immaterial clerical rounding errors in the total directly owned shares. The corrected amount of securities beneficially owned by him is 24,970 shares.
Core Natural Resources, Inc. executive Schuller George John Jr., SVP and Chief Operating Officer, filed an amended Form 4 to correct previously reported share ownership. A prior filing contained immaterial clerical rounding errors in the total amount of securities directly beneficially owned and in the amount of unvested restricted stock units.
The corrected figure shows he beneficially owns 27,344 shares of common stock, of which 16,280 shares are unvested restricted stock units. This amendment updates ownership information rather than reporting a new purchase or sale.
Core Natural Resources, Inc. Chief Accounting Officer John Rothka filed an amended Form 4 to correct earlier clerical errors in his reported equity holdings. The amendment confirms that on February 18, 2026, 79 shares of common stock were withheld to satisfy his tax liability.
The filing also updates his directly beneficially owned position to 9,990 shares of common stock, of which 1,314 shares are unvested restricted stock units. The company describes the prior discrepancies as immaterial clerical rounding errors.
Core Natural Resources, Inc. senior vice president of marketing and sales Robert J. Braithwaite Jr. filed an amended insider report to correct his previously reported holdings. The filing states that he directly beneficially owns 16,306 shares of common stock, of which 8,185 shares are unvested restricted stock units. The amendment reflects corrections to earlier clerical rounding errors rather than a new purchase or sale of shares.
Core Natural Resources, Inc. filed an amended Form 4 for executive Rosemary L. Klein to correct previously misstated holdings caused by immaterial clerical rounding errors. The corrected beneficial ownership is 68,679 shares, of which 11,045 are unvested restricted stock units.
This amendment does not reflect new stock purchases or sales; it replaces inaccurate share and RSU amounts reported in an earlier Form 4 filed on February 19, 2026.
Core Natural Resources, Inc. filed an amended insider report updating President & CFO Miteshkumar Thakkar’s direct holdings after earlier clerical rounding errors. As corrected, he beneficially owns 61,661 shares of common stock, of which 18,624 shares are unvested restricted stock units.
Core Natural Resources, Inc. filed an amended insider report to correct previously misreported share holdings for executive Kurt R. Salvatori. Due to earlier clerical rounding errors, the updated filing now shows he directly beneficially owns 24,599 common shares, including 10,455 unvested restricted stock units.
Core Natural Resources, Inc. executive Slone Deck filed an amended insider report to correct previously misstated share holdings. A prior Form 4 contained immaterial clerical rounding errors in the total directly owned shares and the amount of unvested restricted stock units.
The corrected disclosure states that Deck beneficially owns 70,219 shares of common stock, of which 10,929 shares are unvested restricted stock units. The amendment reflects a clarification of ownership amounts rather than a new buy or sell transaction.
Core Natural Resources, Inc. filed an amended Form 4 for Executive Chair and CEO Brock James A to correct earlier clerical errors. The update clarifies that 2,960 shares of common stock were withheld on February 18, 2026 to cover the executive's tax liability. The amendment also states that the corrected amount of securities directly beneficially owned is 266,975 shares, of which 44,640 shares are unvested restricted stock units. These changes revise prior rounding and reporting mistakes rather than recording a new discretionary stock transaction.
Core Natural Resources, Inc. director Patrick A. Kriegshauser reported an equity award in the form of restricted stock units. On February 17, 2026, he acquired 1,610 common-share-equivalent restricted stock units at a stated price of $0.00 per share as a grant or award.
The units were granted under the company’s Omnibus Performance Incentive Plan and 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, Kriegshauser’s direct holdings total 24,958 shares and units, of which 1,610 are unvested restricted stock units.
Core Natural Resources, Inc. President & CFO Miteshkumar Thakkar reported equity compensation and related tax-withholding transactions in common stock. On February 17, he acquired 8,730 restricted stock units at $0.00 per share under the company’s Omnibus Performance Incentive Plan, vesting in three equal annual installments starting on the first anniversary of the grant date. Each unit represents a contingent right to receive one share of common stock. On February 18, he disposed of 806 and 1,223 shares of common stock at $88.96 per share through tax-withholding dispositions to cover liabilities from previously vested restricted stock units, rather than open-market sales. Following these transactions, he directly holds 61,657 shares of common stock, including 18,620 unvested restricted stock units.
Core Natural Resources, Inc. director Richard A. Navarre received an equity award of 2,200 restricted stock units under the company’s Omnibus Performance Incentive Plan. These units vest on the first anniversary of the grant date and each converts into one share of common stock at vesting.
After this award, Navarre holds 24,030 shares of common stock in total, including 2,200 unvested restricted stock units.
Core Natural Resources, Inc. senior vice president and chief legal officer Rosemary L. Klein reported equity compensation and related tax-withholding transactions. On February 17, 2026, she acquired 5,060 restricted stock units at $0.00 per unit, vesting in three equal annual installments. On February 18, 2026, she disposed of 497 and 746 shares of common stock at $88.96 per share to cover tax liabilities from vesting RSUs. After these transactions, she directly held 68,667 shares of common stock, including 11,033 unvested restricted stock units.
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 (CNR) reported insider transactions by Executive Chair and CEO James A. Brock. On November 13, 2025, 140,760 common shares were transferred at $0 from a revocable trust for the benefit of his spouse to a spousal lifetime access trust (SLAT-1). The filing also notes 24,440 shares held indirectly via the Lee Ann Brock Trust.
Separately on the same date, the reporting person contributed 117,398 common shares, previously reported as directly owned, to a grantor retained annuity trust (GRAT-1). These estate-planning transfers were reported as indirect holdings and involved no purchase or sale proceeds.
Core Natural Resources, Inc. (CNR) insider John Rothka, the company’s Chief Accounting Officer, reported two automatic sales under a Rule 10b5-1 plan. On 10/08/2025 he sold 1,000 shares at $95, and on 10/09/2025 he sold 1,000 shares at $100, reducing his direct holdings to 9,307 shares. The filing notes the trades were executed under a trading plan adopted on 03/24/2025. Of the remaining shares, 828 are unvested restricted stock units, which limits immediately tradable stock. The Form 4 was signed by an attorney-in-fact on 10/10/2025, and indicates routine, preauthorized sales rather than open-market discretionary trades.
Insider sale under prearranged plan at Core Natural Resources (CNR)
Chief Accounting Officer John Rothka reported an automatic sale of 2,500 shares of Core Natural Resources common stock on 10/03/2025 at a price of $90 per share under a Rule 10b5-1 trading plan adopted on 03/24/2025. After the sale he beneficially owns 11,307 shares, of which 828 are unvested restricted stock units. The Form 4 was signed by an attorney-in-fact on 10/06/2025.
Richard A. Navarre, a director of Core Natural Resources, Inc. (CNR), reported a sale of common stock on 09/25/2025. The filing shows 5,000 shares were sold at $82.20 per share to cover tax liabilities arising from the vesting of previously granted restricted stock awards tied to the August 20, 2024 merger agreement. After the sale, the reporting person beneficially owned 21,830 shares, of which 4,576 shares remain unvested restricted stock units. The Form 4 was signed by an attorney-in-fact on 09/26/2025.