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

Insider

Date

Role

Action

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

Show all 6 transactions →

What was left out

Form 4 filings counted 22

Amendments (4/A) skipped 13

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 6

Transactions with no price 0

Shares from compensation/vesting 478,506

History held since 30 Nov 2017