David C. Hardie serves as Executive at HALLADOR PETROLEUM CO, where they oversee executive responsibilities. Since joining the company, David C. Hardie has executed 145 insider transactions totaling $22.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 31, 2025 involved receiving (via award) 1,944 shares valued at $37.5K.
David C. Hardie currently holds 23,016 shares of HALLADOR PETROLEUM CO (HPCO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David C. Hardie has been a net seller of HPCO stock. They have purchased $5.2M and sold $17.0M worth of shares.
David C. Hardie's most recent insider trade was on Dec 31, 2025, when they sold 1,944 shares at $19.29 per share.
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| $19.76 |
| Discretionary |
| Oct 1, 2025 | HNRG | $494.0K | Sale | 25,000 | $19.76 | Discretionary |
| Sep 30, 2025 | HNRG | $488.3K | Sale | 25,000 | $19.53 | Discretionary |
| Sep 30, 2025 | HNRG | $1.5M | Sale | 75,000 | $19.53 | Discretionary |
| Sep 29, 2025 | HNRG | $362.5K | Sale | 18,446 | $19.65 | Discretionary |
| Sep 29, 2025 | HNRG | $1.1M | Sale | 55,337 | $19.65 | Discretionary |
| Sep 26, 2025 | HNRG | $1.1M | Sale | 58,401 | $19.18 | Discretionary |
| Sep 26, 2025 | HNRG | $373.4K | Sale | 19,467 | $19.18 | Discretionary |
| Sep 25, 2025 | HNRG | $520.0K | Sale | 26,236 | $19.82 | Discretionary |
| Sep 25, 2025 | HNRG | $173.3K | Sale | 8,746 | $19.82 | Discretionary |
| Sep 23, 2025 | HNRG | $125.5K | Sale | 6,577 | $19.08 | Discretionary |
| Sep 23, 2025 | HNRG | $41.8K | Sale | 2,193 | $19.08 | Discretionary |
| Sep 22, 2025 | HNRG | $368.9K | Sale | 19,165 | $19.25 | Discretionary |
| Sep 22, 2025 | HNRG | $1.1M | Sale | 57,494 | $19.25 | Discretionary |
| Jun 28, 2024 | HNRG | $0 | Conversion | 190,000 | $N/A | Discretionary |
| Feb 23, 2024 | HNRG | $40.0K | Conversion | 6,396 | $6.25 | Discretionary |
| Apr 13, 2023 | HNRG | $134.0K | Sale | 14,810 | $9.05 | Discretionary |
| Apr 11, 2023 | HNRG | $156.7K | Sale | 16,356 | $9.58 | Discretionary |
| Jun 15, 2022 | HNRG | $1.7M | Conversion | 338,427 | $5.17 | Discretionary |
| Oct 7, 2019 | HNRG | $100.0K | Purchase | 30,380 | $3.29 | Discretionary |
| Dec 8, 2016 | HNRG | $175.5K | Sale | 18,646 | $9.41 | Discretionary |
| Dec 6, 2016 | HNRG | $344.2K | Sale | 36,651 | $9.39 | Discretionary |
| Dec 5, 2016 | HNRG | $91.4K | Sale | 9,700 | $9.42 | Discretionary |
| Nov 14, 2016 | HNRG | $58.5K | Sale | 5,900 | $9.91 | Discretionary |
| Nov 10, 2016 | HNRG | $159.1K | Sale | 15,850 | $10.04 | Discretionary |
| May 5, 2016 | HNRG | $0 | Other | 1,422,101 | $N/A | Discretionary |
| Dec 4, 2015 | HNRG | $563.9K | Purchase | 86,755 | $6.50 | Discretionary |
| Dec 4, 2015 | HNRG | $563.9K | Sale | 86,755 | $6.50 | Discretionary |
| Apr 8, 2014 | HNRG | $148.6K | Sale | 17,260 | $8.61 | Discretionary |