SANDBROOK WILLIAM J
SEC CIK 1527678 · EDGAR
BoughtSold
Most active insiders at KNF, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | LaChapelle Sarah L. | VP, CHRO | — | — |
| 2 | Kadrmas Marney L. | VP, CAO | — | — |
| 3 | Pladsen Glenn R. | VP, Chief Excellence Off | — | — |
| 4 | Gray Brian R. | Pres, CEO, Dir | — | — |
| 5 | Carmona-Alvarez German | Dir | — | — |
| 6 | Liepitz Karl A | VP, CLO, Sec | — | — |
| 7 | Hastings Trevor J | VP, COO | — | — |
| 8 | Ring Nathan W | VP, CFO | — | — |
| 9 | SANDBROOK WILLIAM J | Dir | — | — |
| 10 | Chiodo Patricia | Dir | — | — |
Transactions 17
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-21 17:14 | 2026-05-20 | KNF | Knife River Corp | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +2,040 | 7,735 | +36% | $0 | |
| 2026-05-19 16:30 | 2026-05-18 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +105 | 7,771 | +1% | $0 | |
| 2026-04-30 16:30 | 2026-04-29 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | S - Sale | $1,732.67 | -1,500 | 7,666 | -16% | -$2.60M | |
| 2026-02-26 | 2026-02-24 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | S - Sale | $1,443.32 | -2,500 | 9,166 | -21% | -$3.61M | |
| M | 2025-09-10 | 2025-09-09+ | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | S - Sale | $721.89 | -1,500 | 11.7K | -11% | -$1.08M |
| 2025-08-27 | 2025-08-25 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | S - Sale | $689.58 | -700 | 13.2K | -5% | -$482.7K | |
| 2025-05-27 | 2025-05-22 | KNF | Knife River Corp | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +1,551 | 5,695 | +37% | $0 | |
| 2025-05-20 | 2025-05-16 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +342 | 13.9K | +3% | $0 | |
| 2024-05-21 | 2024-05-17 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +498 | 13.5K | +4% | $0 | |
| M | 2024-05-16 | 2024-05-15 | KNF | Knife River Corp | SANDBROOK WILLIAM J | Dir | A - Grant | $21.17 | +2,625 | 4,144 | +173% | +$55.6K |
| 2023-11-16 | 2023-11-15 | KNF | Knife River Corp | SANDBROOK WILLIAM J | Dir | A - Grant | $57.57 | +1,519 | 1,519 | New | +$87.4K | |
| 2023-11-13 | 2023-11-09 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | S - Sale | $185.19 | -5,000 | 13.0K | -28% | -$926.0K | |
| 2023-09-14 | 2023-09-12 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | S - Sale | $187.52 | -7,500 | 18.0K | -29% | -$1.41M | |
| 2023-05-17 | 2023-05-16 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +1,065 | 25.5K | +4% | $0 | |
| M | 2022-06-06 | 2022-06-02 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | G - Gift | $0.00 | -1,020 | 24.5K | -4% | $0 |
| I | 2022-06-06 | 2022-06-02 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | G - Gift | $0.00 | +170 | 170 | New | $0 |
| 2022-05-19 | 2022-05-17 | FIX | Comfort Systems USA | SANDBROOK WILLIAM J | Dir | A - Grant | $0.00 | +1,869 | 25.3K | +8% | $0 |
Purchase Sale Sale after option exercise All abbreviations