Quick Takeaways
- CNR - Core Natural Resources, Inc. has 22 insiders with reported activity on this page.
- Net insider value flow over the last year: -$7,787,514.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 22 Insiders of Core Natural Resources, Inc.
- Symbol
- CNR on NYSE
- Location
- Canonsburg, PA
What Changed
- Buy value: ; sell value: $7,787,514.
- Net share flow: -79,103.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$7,787,514.
Buys
$0
Shares: 0
Insiders: 0
Sells
$7,787,514
Shares: 79,103
Insiders: 5
Net
-$7,787,514
Shares: -79,103
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 66,560 | $0 | $6,721,990 | -$6,721,990 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 12,543 | $0 | $1,065,524 | -$1,065,524 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Core Natural Resources, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James A. Brock | Executive Chair and CEO, Director | $48,019,431 | -$4,122,874 | -7.9% | Mixed | 24 Mar 2026 |
| Paul A. Lang | Chief Executive Officer, Director | $22,834,100 | Filing P/S | 09 May 2025 | ||
| William P. Powell | Director | $13,423,781 | Mixed | 02 May 2023 | ||
| Ed Roberson | Director | $7,837,384 | Mixed | 03 May 2022 | ||
| Deck Slone | SVP, Strategy & Public Policy | $6,731,193 | Mixed | 17 Feb 2026 | ||
| Rosemary L. Klein | SVP, CLO & Corp. Sec. | $5,937,970 | -$1,603,100 | -21% | Filing P/S | 19 Mar 2026 |
| Miteshkumar Thakkar | President & CFO | $5,910,823 | Mixed | 17 Feb 2026 | ||
| John T. Mills | Director | $5,290,632 | Mixed | 07 May 2024 | ||
| Joseph P. Platt Jr. | Director | $3,897,667 | Mixed | 17 Feb 2026 | ||
| Martha A. Wiegand | General Counsel & Secretary | $3,263,844 | Mixed | 07 Feb 2024 | ||
| Sophie Bergeron | Director | $3,181,141 | Mixed | 10 May 2022 | ||
| George John Schuller Jr. | SVP, Chief Operating Officer | $2,621,195 | Mixed | 17 Feb 2026 | ||
| Patrick A. Kriegshauser | Director | $2,393,624 | -$234,524 | -8.9% | Mixed | 17 Feb 2026 |
| Kurt R. Salvatori | SVP, Chief Admin. Officer | $2,358,060 | Mixed | 17 Feb 2026 | ||
| Richard A. Navarre | Director | $1,653,717 | -$961,200 | -37% | Filing P/S | 10 Mar 2026 |
| Robert J. Braithwaite Jr. | SVP, Marketing & Sales | $1,563,093 | Mixed | 17 Feb 2026 | ||
| Holly K. Koeppel | Director | $1,435,024 | Mixed | 17 Feb 2026 | ||
| Valli Perera | Director | $894,277 | Mixed | 17 Feb 2026 | ||
| Cassandra Chia-Wei Pan | Director | $785,729 | Mixed | 18 Feb 2025 | ||
| John Rothka | Chief Accounting Officer | $506,855 | -$865,816 | -63% | Filing P/S | 17 Mar 2026 |
| Edward L. Doheny II | Director | $145,574 | Median | 30 Apr 2026 | ||
| Ronald C. Keating | Director | $145,574 | Median | 30 Apr 2026 |
Top shareholders of Core Natural Resources, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
15%
|
7,422,561
|
$777,364,864 | — | 31 Mar 2026 | |
| FMR LLC |
13F
13D/G
|
Company |
8%
from 13D/G
|
4,045,765
|
$423,712,968 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
13D/G
|
Company · STATE STREET CORPORATION |
7.8%
from 13D/G
|
3,977,324
|
$416,545,143 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
13D/G
|
Company · Vanguard Portfolio Management |
5.9%
from 13D/G
|
2,957,882
|
$309,778,982 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
5.1%
|
2,571,695
|
$256,166,539 | $0 | 31 Mar 2026 | |
| DME Capital Management, LP |
13F
13D/G
|
Company · DME Advisors GP, L.L.C. |
4.8%
from 13D/G
|
1,858,140
|
$194,603,003 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
|
Company |
4.6%
|
2,445,924
|
$170,578,740 | $0 | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.5%
|
1,276,540
|
$133,724,964 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.5%
|
774,566
|
$81,120,297 | — | 31 Mar 2026 | |
| Merewether Investment Management, LP |
13F
|
Company |
1.4%
|
726,634
|
$76,100,379 | — | 31 Mar 2026 | |
| Goehring & Rozencwajg Associates, LLC |
13F
|
Company |
1.4%
|
708,225
|
$74,172,404 | — | 31 Mar 2026 | |
| MAGNOLIA GROUP, LLC |
13F
|
Company |
1.2%
|
602,500
|
$63,099,825 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
1%
|
519,033
|
$54,358,326 | — | 31 Mar 2026 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
1%
|
508,649
|
$53,270,810 | — | 31 Mar 2026 | |
| Encompass Capital Advisors LLC |
13F
|
Company |
0.98%
|
500,000
|
$52,365,000 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.97%
|
495,551
|
$51,899,057 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.93%
|
475,197
|
$49,767,381 | — | 31 Mar 2026 | |
| FIL Ltd |
13F
|
Company |
0.93%
|
472,869
|
$49,523,570 | — | 31 Mar 2026 | |
| JB CAPITAL PARTNERS LP |
13F
|
Company |
0.92%
|
466,779
|
$48,885,765 | — | 31 Mar 2026 | |
| James A. Brock |
3/4/5
|
Executive Chair and CEO, Director |
1%
|
533,253
|
$48,019,431 | -$4,122,874 | 24 Mar 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.88%
|
448,558
|
$46,977,479 | — | 31 Mar 2026 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.81%
|
410,818
|
$43,024,969 | — | 31 Mar 2026 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.78%
|
400,000
|
$41,892,000 | — | 31 Mar 2026 | |
| SCOPUS ASSET MANAGEMENT, L.P. |
13F
|
Company |
0.71%
|
364,000
|
$38,121,720 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.71%
|
362,433
|
$37,957,754 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.66%
|
338,789
|
$35,481,372 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.66%
|
334,574
|
$35,039,937 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.64%
|
327,300
|
$34,278,118 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.63%
|
321,051
|
$33,623,671 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.63%
|
319,467
|
$33,457,739 | — | 31 Mar 2026 | |
| Summit Street Capital Management, LLC |
13F
|
Company |
0.6%
|
305,260
|
$31,969,880 | — | 31 Mar 2026 | |
| Old West Investment Management, LLC |
13F
|
Company |
0.57%
|
293,163
|
$30,702,960 | — | 31 Mar 2026 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.54%
|
273,855
|
$28,680,868 | — | 31 Mar 2026 | |
| OBERWEIS ASSET MANAGEMENT INC/ |
13F
|
Company |
0.53%
|
269,800
|
$28,256,154 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.5%
|
253,641
|
$27,946,176 | — | 31 Mar 2026 | |
| Baird Financial Group, Inc. |
13F
|
Company |
0.49%
|
250,141
|
$26,197,267 | — | 31 Mar 2026 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.49%
|
249,522
|
$26,132,439 | — | 31 Mar 2026 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.48%
|
243,999
|
$25,554,015 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.47%
|
237,453
|
$24,868,453 | — | 31 Mar 2026 | |
| Portolan Capital Management, LLC |
13F
|
Company |
0.46%
|
237,036
|
$24,824,780 | — | 31 Mar 2026 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.45%
|
231,721
|
$24,268,140 | — | 31 Mar 2026 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.45%
|
229,976
|
$24,085,386 | — | 31 Mar 2026 | |
| THOMIST CAPITAL MANAGEMENT, LP |
13F
|
Company |
0.44%
|
224,799
|
$23,543,199 | — | 31 Mar 2026 | |
| Energy Income Partners, LLC |
13F
|
Company |
0.44%
|
223,354
|
$23,391,865 | — | 31 Mar 2026 | |
| Paul A. Lang |
3/4/5
|
Chief Executive Officer, Director |
0.67%
|
341,062
|
$22,834,100 | — | 09 May 2025 | |
| Skylands Capital, LLC |
13F
|
Company |
0.42%
|
213,577
|
$22,367,919 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.42%
|
212,442
|
$22,250,000 | — | 31 Mar 2026 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.41%
|
208,411
|
$21,826,884 | — | 31 Mar 2026 | |
| Condire Management, LP |
13F
|
Company |
0.4%
|
201,663
|
$21,120,166 | — | 31 Mar 2026 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.39%
|
200,560
|
$21,004,649 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for Core Natural Resources, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Ronald C. Keating | CNR | Common Stock, par value $0.01 per share ("Common Stock") | Award | 1,390 | 1,390 | 30 Apr 2026 | Direct | |||
| Edward L. Doheny II | CNR | Common Stock, par value $0.01 per share ("Common Stock") | Award | 1,390 | 1,390 | 30 Apr 2026 | Direct | |||
| James A. Brock | CNR | Common stock, par value $0.01 per share | Gift | 9.15% | 24,440 | 291,415 | 24 Mar 2026 | Direct | ||
| James A. Brock | CNR | Common stock, par value $0.01 per share | Gift | -100% | -24,440 | 0 | 24 Mar 2026 | By Lee Ann Brock Trust | ||
| Rosemary L. Klein | CNR | Common stock, par value $0.01 per share | Sale | -21.8% | $1,603,100 | $106.87 | -15,000 | 53,679 | 19 Mar 2026 | Direct |
| James A. Brock | CNR | Common stock, par value $0.01 per share | Sale | -29% | $4,122,874 | $101.15 | -40,760 | 100,000 | 18 Mar 2026 | By SLAT-1 |
| John Rothka | CNR | Common stock, par value $0.01 per share | Sale | -16.2% | $97,660 | $97.66 | -1,000 | 5,190 | 17 Mar 2026 | Direct |
| John Rothka | CNR | Common stock, par value $0.01 per share | Sale | -38% | $348,156 | $91.62 | -3,800 | 6,190 | 10 Mar 2026 | Direct |
| Richard A. Navarre | CNR | Common stock, par value $0.01 per share | Sale | -25% | $550,200 | $91.70 | -6,000 | 18,034 | 10 Mar 2026 | Direct |
| John Rothka | CNR | Common stock, par value $0.01 per share | Tax liability | -0.78% | -79 | 9,990 | 18 Feb 2026 | Direct | ||
| James A. Brock | CNR | Common stock, par value $0.01 per share | Tax liability | -1.08% | -2,960 | 271,415 | 18 Feb 2026 | Direct | ||
| James A. Brock | CNR | Common stock, par value $0.01 per share | Gift | 140,760 | 140,760 | 13 Nov 2025 | By SLAT-1 | |||
| James A. Brock | CNR | Common stock, par value $0.01 per share | Gift | -85.2% | -140,760 | 24,440 | 13 Nov 2025 | Lee Ann Brock Trust | ||
| John Rothka | CNR | Common stock, par value $0.01 per share | Sale | -9.7% | $100,000 | $100.00 | -1,000 | 9,307 | 09 Oct 2025 | Direct |
| John Rothka | CNR | Common stock, par value $0.01 per share | Sale | -8.84% | $95,000 | $95.00 | -1,000 | 10,307 | 08 Oct 2025 | Direct |
| John Rothka | CNR | Common stock, par value $0.01 per share | Sale | -18.1% | $225,000 | $90.00 | -2,500 | 11,307 | 03 Oct 2025 | Direct |
| Richard A. Navarre | CNR | Common stock, par value $0.01 per share | Sale | -18.6% | $411,000 | $82.20 | -5,000 | 21,830 | 25 Sep 2025 | Direct |
| Patrick A. Kriegshauser | CNR | Common stock, par value $0.01 per share | Sale | -11.5% | $234,524 | $77.07 | -3,043 | 23,348 | 17 Sep 2025 | Direct |
| James A. Brock | CNR | Common stock, par value $0.01 per share | Gift | 165,200 | 165,200 | 20 May 2025 | By Lee Ann Brock Trust | |||
| James A. Brock | CNR | Common stock, par value $0.01 per share | Gift | -30.8% | -165,200 | 370,575 | 20 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.