SEC Insider Transactions from HARDIE DAVID C.

Last updated: 2026-03-14 11:44 UTC | Total transactions: 32

David C. Hardie, a director at Hallador Energy Co. ($HNRG), sold shares on the open market 16 times over the past year, totaling $11.1 million. His most recent sale occurred on October 1, 2025. These sales rank him 1,045th among 11,678 insiders by total value sold, above the average of $8.6 million across 6.4 transactions per insider. Hardie made no open market purchases in this period.

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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
Dec. 31, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director A Common Stock 1944 $19.29 23,016.0000 43,434,000 9.23% 0.00%
Oct. 1, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 25000 $19.76 1,606,001.0000 43,434,000 1.53% 0.06%
Oct. 1, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 75000 $19.76 1,606,001.0000 43,434,000 4.46% 0.17%
Sept. 29, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 55337 $19.65 1,781,001.0000 43,048,000 3.01% 0.13%
Sept. 29, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 18446 $19.65 1,731,001.0000 43,048,000 1.05% 0.04%
Sept. 30, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 75000 $19.53 1,706,001.0000 43,048,000 4.21% 0.17%
Sept. 30, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 25000 $19.53 1,706,001.0000 43,048,000 1.44% 0.06%
Sept. 26, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 58401 $19.18 1,879,784.0000 43,048,000 3.01% 0.14%
Sept. 26, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 19467 $19.18 1,879,784.0000 43,048,000 1.02% 0.05%
Sept. 25, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 8746 $19.82 1,899,251.0000 43,048,000 0.46% 0.02%
Sept. 25, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 26236 $19.82 1,938,185.0000 43,048,000 1.34% 0.06%
Sept. 23, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 6577 $19.08 1,992,634.0000 43,048,000 0.33% 0.02%
Sept. 22, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 57494 $19.25 1,999,211.0000 43,048,000 2.80% 0.13%
Sept. 23, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 2193 $19.08 1,992,634.0000 43,048,000 0.11% 0.01%
Sept. 22, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 19165 $19.25 1,994,827.0000 43,048,000 0.95% 0.04%
May 19, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 30380 $19.05 2,078,063.0000 43,462,000 1.44% 0.07%
May 19, 2025 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 67457 $19.05 2,078,063.0000 43,462,000 3.14% 0.16%
Dec. 6, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 2553 $13.01 2,041,488.0000 43,018,000 0.12% 0.01%
Dec. 10, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 16282 $13.10 2,006,431.0000 43,018,000 0.80% 0.04%
Dec. 9, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 18775 $13.02 2,022,713.0000 43,018,000 0.92% 0.04%
Nov. 22, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 33308 $13.05 2,056,431.0000 43,018,000 1.59% 0.08%
Nov. 25, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 12390 $13.21 2,044,041.0000 43,018,000 0.60% 0.03%
Nov. 21, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 1799 $13.05 2,090,127.0000 43,018,000 0.09% 0.00%
Nov. 20, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 14893 $13.02 2,091,926.0000 43,018,000 0.71% 0.03%
Nov. 18, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 23604 $13.11 2,106,819.0000 43,018,000 1.11% 0.05%
Nov. 19, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 388 $12.91 2,106,731.0000 43,018,000 0.02% 0.00%
Nov. 15, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 44699 $12.88 2,130,423.0000 43,018,000 2.06% 0.10%
June 28, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director C Convertible Note - Common Stock 190000 $0.00 0.0000 34,816,000 100.00% 0.55%
June 28, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director C Common Stock 190000 $0.00 2,175,122.0000 34,816,000 9.57% 0.55%
Feb. 23, 2024 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director C Common Stock 6396 $6.25 1,985,122.0000 36,827,000 0.32% 0.02%
April 11, 2023 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 16356 $9.58 1,993,536.0000 36,740,000 0.81% 0.04%
April 13, 2023 HALLADOR ENERGY CO $HNRG HARDIE DAVID C Director S Common Stock 14810 $9.05 1,978,726.0000 36,740,000 0.74% 0.04%