InsiderClue
Stocks · Silver Ores

Core Natural Resources, Inc.

CNR Clue Score46
United States Fiscal year ends December CIK 0001710366 Results filed 5 Nov 2026
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What the insiders did Net selling

Individual transactions

68
Insider
Date
Role
Action
Shares
Price
Amount
Rosemary L Klein
19 Mar 2026
SVP, CLO & Corp. Sec.
Sell
5,000
$110.62
$553.10K
Rosemary L Klein
19 Mar 2026
SVP, CLO & Corp. Sec.
Sell
10,000
$105.00
$1.05M
James A Brock
18 Mar 2026
Executive Chair and CEO
Sell indirect
40,760
$101.15
$4.12M
John Rothka
17 Mar 2026
Chief Accounting Officer
Sell
1,000
$97.66
$97.66K
Richard A Navarre
10 Mar 2026
Director
Sell
6,000
$91.70
$550.20K
John Rothka
10 Mar 2026
Chief Accounting Officer
Sell
3,800
$91.62
$348.16K
John Rothka
9 Oct 2025
Chief Accounting Officer
Sold on a plan
1,000
$100.00
$100.00K
John Rothka
8 Oct 2025
Chief Accounting Officer
Sold on a plan
1,000
$95.00
$95.00K
John Rothka
3 Oct 2025
Chief Accounting Officer
Sold on a plan
2,500
$90.00
$225.00K
Richard A Navarre
25 Sep 2025
Director
Sell
5,000
$82.20
$411.00K
Patrick A Kriegshauser
17 Sep 2025
Director
Sell
3,043
$77.07
$234.52K
Paul A Lang
9 May 2025
Chief Executive Officer
Buy
7,500
$66.95
$502.13K
Holly K Koeppel
31 Mar 2025
Director
Sell
4,044
$75.68
$306.05K
Holly K Koeppel
31 Mar 2025
Director
Sell
4,771
$74.97
$357.68K
James A Brock
28 Jun 2024
Chief Executive Officer
Sold on a plan
3,700
$102.29
$378.47K
James A Brock
28 Jun 2024
Chief Executive Officer
Sold on a plan
4,488
$101.26
$454.45K
James A Brock
28 Jun 2024
Chief Executive Officer
Sold on a plan
4,410
$100.46
$443.03K
James A Brock
28 Jun 2024
Chief Executive Officer
Sold on a plan
3,100
$99.79
$309.35K
James A Brock
27 Jun 2024
Chief Executive Officer
Sold on a plan
300
$101.83
$30.55K
James A Brock
27 Jun 2024
Chief Executive Officer
Sold on a plan
200
$100.51
$20.10K
James A Brock
27 Jun 2024
Chief Executive Officer
Sold on a plan
400
$99.36
$39.74K
James A Brock
27 Jun 2024
Chief Executive Officer
Sold on a plan
800
$98.56
$78.85K
James A Brock
23 May 2024
Chief Executive Officer
Sell
900
$98.19
$88.37K
James A Brock
22 May 2024
Chief Executive Officer
Sell
5,400
$98.21
$530.33K
John Rothka
7 Mar 2024
Chief Accounting Officer
Sell
2,000
$94.56
$189.12K
James A Brock
20 Dec 2023
Chief Executive Officer
Sold on a plan
700
$103.19
$72.23K
James A Brock
20 Dec 2023
Chief Executive Officer
Sold on a plan
5,969
$102.48
$611.70K
James A Brock
19 Dec 2023
Chief Executive Officer
Sold on a plan
1,647
$100.33
$165.24K
James A Brock
19 Dec 2023
Chief Executive Officer
Sold on a plan
2,600
$99.51
$258.73K
James A Brock
19 Dec 2023
Chief Executive Officer
Sold on a plan
800
$98.30
$78.64K
James A Brock
18 Dec 2023
Chief Executive Officer
Sold on a plan
105
$99.23
$10.42K
James A Brock
18 Dec 2023
Chief Executive Officer
Sold on a plan
1,517
$98.22
$149.00K
Martha A Wiegand
18 Dec 2023
General Counsel & Secretary
Sold on a plan
3,334
$100.00
$333.40K
Joseph P Platt JR
15 Sep 2023
Director
Sell
10,227
$98.33
$1.01M
John T Mills
15 Aug 2023
Director
Sell
14,900
$80.66
$1.20M
John T Mills
14 Aug 2023
Director
Sell
8,507
$80.49
$684.73K
John T Mills
11 Aug 2023
Director
Sell
282
$80.60
$22.73K
Martha A Wiegand
10 Aug 2023
General Counsel & Secretary
Sell
10,000
$80.33
$803.30K
Kurt R. Salvatori
10 Aug 2023
Chief Administrative Officer
Sell
6,097
$80.24
$489.22K
John Rothka
3 Mar 2023
Chief Accounting Officer
Sell
2,000
$64.34
$128.68K
James A Brock
1 Dec 2022
Chief Executive Officer
Sell
500
$78.20
$39.10K
James A Brock
30 Nov 2022
Chief Executive Officer
Sell
3,314
$78.08
$258.76K
James A Brock
29 Nov 2022
Chief Executive Officer
Sell
12,500
$75.33
$941.63K
Martha A Wiegand
6 Sep 2022
General Counsel & Secretary
Sell
8,500
$75.00
$637.50K
Martha A Wiegand
1 Sep 2022
General Counsel & Secretary
Sell
4,509
$71.36
$321.76K
Martha A Wiegand
1 Sep 2022
General Counsel & Secretary
Sell
3,991
$70.29
$280.53K
John Rothka
18 Aug 2022
Chief Accounting Officer
Sell
2,000
$70.36
$140.72K
James A Brock
17 Aug 2022
Chief Executive Officer
Sell
10,617
$68.61
$728.43K
James A Brock
17 Aug 2022
Chief Executive Officer
Sell
18,174
$67.71
$1.23M
James A Brock
17 Aug 2022
Chief Executive Officer
Sell
21,209
$67.00
$1.42M
Martha A Wiegand
17 Aug 2022
General Counsel & Secretary
Sell
7,000
$67.03
$469.21K
Kurt R. Salvatori
17 Aug 2022
Chief Administrative Officer
Sell
986
$67.74
$66.79K
Kurt R. Salvatori
17 Aug 2022
Chief Administrative Officer
Sell
13,338
$67.17
$895.91K
Joseph P Platt JR
23 May 2022
Director
Sell
2,800
$51.90
$145.32K
Joseph P Platt JR
23 May 2022
Director
Sell
11,377
$51.34
$584.10K
John T Mills
19 May 2022
Director
Sell
2,947
$50.55
$148.97K
John T Mills
18 May 2022
Director
Sell
1,230
$51.30
$63.10K
John T Mills
17 May 2022
Director
Sell
10,000
$51.41
$514.10K
Sophie Bergeron
10 May 2022
Director
Sell
12,200
$48.25
$588.65K
Kurt R. Salvatori
12 Apr 2022
Chief Administrative Officer
Sell
6,995
$42.04
$294.07K
John T Mills
2 Jun 2021
Director
Sell
15,702
$16.58
$260.34K
John T Mills
19 Feb 2020
Director
Buy
4,000
$6.46
$25.84K
John T Mills
12 Nov 2019
Director
Buy
4,000
$12.55
$50.20K
James J. McCaffrey
4 Mar 2019
SVP - Coal Marketing
Sell
1,738
$38.40
$66.74K
John T Mills
13 Jun 2018
Director
Sell
4,000
$43.50
$174.00K
John T Mills
13 Jun 2018
Director
Sell
2,000
$40.00
$80.00K
Ed Roberson
21 Feb 2018
Director
Buy
610
$33.01
$20.13K
John T Mills
8 Dec 2017
Director
Buy
4,000
$24.16
$96.64K

What was left out

Form 4 filings counted 278
Amendments (4/A) skipped 16
Filings about a different issuer 21
Unreadable filings 0
Joint filings 1
Sales on a Rule 10b5-1 plan 19
Sales straight out of an exercise 0
Sales at will 44
Transactions with no price 0
Shares from compensation/vesting 32,194,260
Sales filed before the plan box existed 25
History held since 30 Nov 2017