Heinlein Matthew Ian
SEC CIK 2137624 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| WHK | WhiteHawk Minerals Corp. | See Remarks | 44.0K | — | — | 3 | 2026-03-02 | 2026-08-04 |
Most active insiders at WHK, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Gold Peggy L. | Dir | — | — |
| 2 | Smith Jeffery Allen | Dir | — | — |
| 3 | Heinlein Matthew Ian | See Remarks | — | — |
| 4 | Downs Michael J | COO | — | — |
| 5 | Bigman Alan Stuart | Dir | — | — |
| 6 | Ceitlin Andrew David | Dir | — | — |
| 7 | Pilatzke Stephen J. | CAO | — | — |
| 8 | Herz Daniel C | CEO, Pres, COB, Dir, 10% | — | — |
| 9 | Slotterback Jeffrey M | CFO, Treas, Sec, Dir | — | — |
| 10 | Karlovich Robert W III | Dir | — | — |
Transactions 3
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-06 16:15 | 2026-08-04 | WHK | WhiteHawk Minerals Corp. | Heinlein Matthew Ian | See Remarks | A - Grant | $0.00 | +38.4K | 44.0K | +687% | $0 | |
| M | 2026-06-12 16:05 | 2026-03-02+ | WHK | WhiteHawk Minerals Corp. | Heinlein Matthew Ian | See Remarks | A - Grant | — | +5,684 | 5,584 | New | — |
| 2026-06-12 16:05 | 2026-06-10 | WHK | WhiteHawk Minerals Corp. | Heinlein Matthew Ian | See Remarks | D - Sale to Iss | — | -100 | 0 | -100% | — |
Purchase Sale Sale after option exercise All abbreviations