TUSK insider buying
Every open-market purchase of Mammoth Energy Services, Inc. (TUSK) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$10.52M
Insiders buying (12m)3
Purchases on record5
Last purchase filedSep 17, 2026
In the last 12 months, 3 insiders of Mammoth Energy Services, Inc. bought $10.52M of TUSK stock on the open market in 5 reported purchases. The most recent was filed on Sep 17, 2026: Plaumann Mark Lawrence (Director) bought 5,000 shares at $3.00, worth $15K. The largest purchase on record here is $10.45M by Wexford GP LLC +3 on Jun 17, 2026.
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| Filed | Insider | Value | Shares | Price | Stake | Trade | |
|---|---|---|---|---|---|---|---|
| Sep 17 | Plaumann Mark LawrenceDirector | $15K | 5,000 | $3.00 | new | Sep 16 | SEC |
| Jun 22 | Wexford GP LLC +3Chief Business Officer, Director… | $10.45M | 4,019,574 | $2.60 | +61% | Jun 17 | SEC |
| Jun 15 | Amron Arthur HDirector | $14.61K | 4,500 | $3.25 | +7% | Jun 11 | SEC |
| May 28 | Amron Arthur HDirector | $17.85K | 5,500 | $3.25 | +10% | May 26 | SEC |
| Dec 15 | Amron Arthur HDirector | $18.90K | 10,000 | $1.89 | +21% | Dec 11 | SEC |