12 insiders reported 34 Form 4 transactions for WhiteHawk Minerals Corp. (WHK) over the past 18 months (most recent 2026-08-06). Recent activity: Pilatzke Stephen J. (Chief Accounting Officer) Buy 76,775 shares, Heinlein Matthew Ian (See Remarks) Buy 38,387 shares, Slotterback Jeffrey M (CFO, Treasurer & Secretary) Buy 14,369 shares, WhiteHawk Minerals LLC (10% Owner) Buy 2,000 shares, COOPERMAN LEON G (10% Owner) Sell 14,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-06 | Pilatzke Stephen J. | Chief Accounting Officer | Buy | 76,775 | $0 |
| 2026-08-06 | Heinlein Matthew Ian | See Remarks | Buy | 38,387 | $0 |
| 2026-06-12 | Slotterback Jeffrey M | CFO, Treasurer & Secretary | Buy | 14,369 | $0 |
| 2026-06-12 | WhiteHawk Minerals LLC | 10% Owner | Buy | 2,000 | $0 |
| 2026-06-12 | COOPERMAN LEON G | 10% Owner | Sell | 14,000 | $0 |
| 2026-06-12 | Herz Daniel C | CEO, President & Chairman | Buy | 2,000 | $0 |
| 2026-06-12 | Slotterback Jeffrey M | CFO, Treasurer & Secretary | Buy | 100 | $0 |
| 2026-06-12 | Ceitlin Andrew David | Director | Buy | 4,517 | $0 |
| 2026-06-12 | Bigman Alan Stuart | Director | Buy | 2,403 | $0 |
| 2026-06-12 | Downs Michael J | Chief Operating Officer | Buy | 100 | $0 |
| 2026-06-12 | Heinlein Matthew Ian | See Remarks | Buy | 100 | $0 |
| 2026-06-12 | Gold Peggy L. | Director | Buy | 6,342 | $0 |
| 2026-06-12 | Smith Jeffery Allen | Director | Buy | 350 | $0 |
| 2026-06-12 | Karlovich Robert W III | Director | Buy | 5,714 | $0 |
| 2026-06-12 | Herz Daniel C | CEO, President & Chairman | Buy | 185,729 | $0 |
| 2026-06-12 | WhiteHawk Minerals LLC | 10% Owner | Buy | 185,729 | $0 |
| 2026-06-12 | COOPERMAN LEON G | 10% Owner | Sell | 6,000 | $0 |
| 2026-06-12 | Ceitlin Andrew David | Director | Buy | 9,524 | $0 |
| 2026-06-12 | Bigman Alan Stuart | Director | Buy | 9,524 | $0 |
| 2026-06-12 | Downs Michael J | Chief Operating Officer | Buy | 14,369 | $0 |
| 2026-06-12 | Gold Peggy L. | Director | Buy | 9,524 | $0 |
| 2026-06-12 | Heinlein Matthew Ian | See Remarks | Buy | 5,584 | $0 |
| 2026-06-12 | Smith Jeffery Allen | Director | Buy | 33,212 | $0 |
| 2026-06-12 | Smith Jeffery Allen | Director | Buy | 9,524 | $0 |
| 2026-06-12 | Heinlein Matthew Ian | See Remarks | Sell | 100 | $0 |
Source: SEC Form 4 filings · as of 2026-08-06