WEXFORD CAPITAL LP
SEC CIK 1048462 · EDGAR
BoughtSold
Most active insiders at NEPH, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Nettis Lisa Marie | Dir | — | — |
| 2 | Banks Robert R. Jr. | Pres, CEO | — | — |
| 3 | Spandow Oliver J. | Dir | — | — |
| 4 | Krandel Judy | CFO | — | — |
| 5 | Amron Arthur H | Dir | — | — |
| 6 | WEXFORD CAPITAL LP | 10% | — | — |
Transactions 6
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MI | 2026-09-16 17:05 | 2026-09-14 | NEPH | NEPHROS INC | WEXFORD CAPITAL LP | 10% | J - Other | $0.0266 | -3.38M | 166.7K | -95% | -$89.7K |
| D | 2026-08-20 16:14 | 2026-08-18 | NEPH | NEPHROS INC | WEXFORD CAPITAL LP | 10% | M - OptEx | $3.60 | +812 | 56.9K | +1% | +$2,923 |
| 2026-06-22 16:26 | 2026-06-17 | TUSK | MAMMOTH ENERGY SERVICES, INC. | WEXFORD CAPITAL LP | Chief Business Off, Dir, 10% | J - Other | $0.00 | +1.07M | 1.45M | +284% | $0 | |
| I | 2026-06-22 16:26 | 2026-06-17 | TUSK | MAMMOTH ENERGY SERVICES, INC. | WEXFORD CAPITAL LP | Chief Business Off, Dir, 10% | J - Other | $0.00 | +6.35M | 6.60M | +2,577% | $0 |
| I | 2026-06-22 16:26 | 2026-06-17 | TUSK | MAMMOTH ENERGY SERVICES, INC. | WEXFORD CAPITAL LP | Chief Business Off, Dir, 10% | P - Purchase | $2.60 | +4.02M | 10.62M | +61% | +$10.47M |
| MI | 2022-06-21 | 2022-06-16+ | TUSK | MAMMOTH ENERGY SERVICES, INC. | WEXFORD CAPITAL LP | Dir, 10% | P - Purchase | $2.14 | +45.4K | 22.42M | +0.2% | +$97.1K |
Purchase Sale Sale after option exercise All abbreviations