SEC Insider Transactions from Gray Zarrell Thomas.

Last updated: 2026-03-14 11:45 UTC | Total transactions: 13

Gray Zarrell Thomas made one open market purchase of Hallador Energy Co ($HNRG) shares worth $122,400 in the last 365 days, with the most recent on April 10, 2025. This ranks 1,972nd out of 4,983 insiders, below the average buy of $1.46 million across 3.3 transactions. No open market sales recorded.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Jan. 14, 2026 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Not found J Common Stock 13888 $18.00 76,480.0000 43,434,000 22.19% 0.03%
Dec. 30, 2025 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Not found A Common Stock 2592 $19.29 62,592.0000 43,434,000 4.32% 0.01%
April 10, 2025 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Not found P Common Stock 9000 $13.60 60,000.0000 43,462,000 17.65% 0.02%
Aug. 29, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 2000 $6.50 51,000.0000 37,879,000 4.08% 0.01%
June 26, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 1000 $7.00 49,000.0000 34,816,000 2.08% 0.00%
June 12, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 1000 $7.75 48,000.0000 34,816,000 2.13% 0.00%
Aug. 26, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 4000 $6.22 47,000.0000 37,879,000 9.30% 0.01%
Aug. 26, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 5000 $6.39 38,000.0000 37,879,000 15.15% 0.01%
Aug. 26, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 5000 $6.43 43,000.0000 37,879,000 13.16% 0.01%
Aug. 22, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 5000 $5.75 33,000.0000 37,879,000 17.86% 0.01%
Aug. 15, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 5000 $6.05 28,000.0000 37,879,000 21.74% 0.01%
Aug. 12, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 5000 $5.60 18,000.0000 37,879,000 38.46% 0.01%
Aug. 12, 2024 HALLADOR ENERGY CO $HNRG Gray Zarrell Thomas Director P Common Stock 5000 $5.40 23,000.0000 37,879,000 27.78% 0.01%