Insider · CIK 0001290795
Mark Lawrence Plaumann
Files at: TUSK, FANG, RJETQ, RHNO. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 PForm 4 → | Sep 17, 4:50 pm EDT | MAMMOTH ENERGY SERVICES, INC.TUSK | 5,000 | $3.00 | $15,000 | 5,000 | — | |
| Aug 21, 2026 SForm 4 → | Aug 24, 4:01 pm EDT | Diamondback Energy, Inc.FANG | 1,000 | $210.58 | $210,577 | 12,437 | −7.44% | |
| Jun 9, 2026 SForm 4 → | Jun 10, 4:08 pm EDT | Diamondback Energy, Inc.FANG | 500 | $196.50 | $98,250 | 13,437 | −3.59% |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.