Core Natural Resources, Inc. planned insider sales
In the twelve months since 11 October 2025 insiders at Core Natural Resources, Inc. filed 6 Form 144 notices of planned sales, 126,560 shares worth $12.1 million at the time of filing, from 5 sellers. The latest, filed 19 March 2026: The Rosemary L. Klein Rev Trust (officer), 15,000 shares worth $1.6 million, planned for around 19 March 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.
| Filed | Seller | Relationship | Shares | Value | Planned sale | Broker | How acquired | Filing |
|---|---|---|---|---|---|---|---|---|
| 19 March 2026 | The Rosemary L. Klein Rev Trust | Officer | 15,000 | $1.6 million | 19 March 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | Restricted stock vesting under a registered plan | Form 144 |
| 18 March 2026 | James A. Brock | Officer | 40,760 | $4.1 million | 18 March 2026 | Goldman Sachs & Co. LLC | Acquired as a gift | Form 144 |
| 17 March 2026 | Rothka John | Officer | 1,000 | $97,660 | 17 March 2026 | Stifel Nicolaus & Company Inc | Restricted Stock Units | Form 144 |
| 10 March 2026 | Rothka John | Officer | 3,800 | $348,688 | 10 March 2026 | Stifel Nicolaus & Company Inc | Restricted Stock Units | Form 144 |
| 10 March 2026 | Richard A Navarre | Director | 6,000 | $550,219 | 10 March 2026 | UBS Financial Services Inc | Merger/Conversion | Form 144 |
| 18 December 2025 | Lang Paul A | Former Officer and Director | 60,000 | $5.4 million | 18 December 2025 | Wells Fargo Clearing Services | Open Market Purchase; Restricted Stock Award | Form 144 |
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
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Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.Source
Form 144 filings on EDGAR for Core Natural Resources, Inc.: the company's filing index, each notice read from its own XML.
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