TUSK · ISSUER CIK 1679268
MAMMOTH ENERGY SERVICES, INC.
Between Aug 1, 2026 and Oct 29, 2026, 1 MAMMOTH ENERGY SERVICES, INC. insiders reported $15K of open-market purchases and $0.00 of sales on SEC Form 4. The largest buyer was Plaumann Mark Lawrence (Director), with $15K.
↗1 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. No open-market sales in the window.
$15KInsider buying
$0.00Insider selling
+$15KNet open-market
Sep 17, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 17, 202616:50 | Sep 16, 2026 | TUSK | Director | P · Buy | $3.00 | +5,000 | 5,000 | New | +$15K | -11.5% | -3.0% |