Insider Ledger
CNR insider buying and SEC filings, explained
Core Natural Resources, Inc. · CIK 1710366
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Silver Ores
- State of incorporation
- DC
- Fiscal year end
- Dec 31
- Former names
- CONSOL Energy Inc.; CONSOL Mining Corp
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$6.7M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Mar 19, 2026 | Sale | Rosemary L Klein (SVP, CLO & Corp. Sec.) sold 15,000 shares at about $106.87 ($1.6M). Holdings down 22% to 53,679 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 20, 2026 |
| Mar 18, 2026 | Sale | James A Brock (CEO and Director) sold 40,760 shares indirectly at about $101.15 ($4.1M). Indirect holdings down 29% to 100,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 19, 2026 |
| Mar 17, 2026 | Sale | John Rothka (Chief Accounting Officer) sold 1,000 shares at about $97.66 ($98K). Holdings down 16% to 5,190 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 19, 2026 |
| Mar 10, 2026 | Sale | John Rothka (Chief Accounting Officer) sold 3,800 shares at about $91.62 ($348K). Holdings down 38% to 6,190 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 10, 2026 | Sale | Richard A. Navarre (Director) sold 6,000 shares at $91.70 ($550K). Holdings down 25% to 18,034 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
17 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 5, 2026, 6:59 AM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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