Officer Files Intent to Sell Over $4 Million in Shares Near 52-Week High
CNR sits 74% above its 52-week low of $58.19.
Summary
An officer of Core Natural Resources, Inc. has filed a Form 144 to sell over $4 million in shares, signaling a significant insider disposition near the stock's 52-week high.
Key Events · Ownership and Investor Activity · CNR
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Officer Files Intent to Sell
James A. Brock, an officer, filed a Form 144 to sell 40,760 shares of common stock.
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Substantial Value
The proposed sale has an approximate market value of $4.14 million.
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Timing Near 52-Week High
This intent to sell comes as the company's stock is trading near its 52-week high of $103.50, potentially indicating profit-taking.
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Follows Recent Insider Distribution
This filing adds to a recent pattern of insider distribution, with net sales of nearly $900,000 in open market transactions over the last 90 days, excluding this filing.
Analysis · CNR · Energy & Transportation
James A. Brock, an officer of Core Natural Resources, Inc., has filed a Form 144 indicating an intent to sell approximately $4.14 million worth of common stock. This proposed sale, while representing a small percentage of the company's overall market capitalization, is a substantial individual transaction. Occurring as the stock trades near its 52-week high, it suggests profit-taking by a key insider. This filing adds to a recent pattern of insider distribution and warrants investor attention as a signal of insider sentiment.
How filings like this one have moved
In the 30 days to Sep 16, 2026, 29.6% of the 1725 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.33%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, CNR was trading at $101.54 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $5.2B. The 52-week trading range was $58.19 to $103.50. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.