InsiderTrades

Form 4 for TUSK MAMMOTH ENERGY SERVICES, INC.

Accepted 2026-09-17 16:50:18 ET · period of report 2026-09-16 · accession 0001628280-26-062552 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-09-17 16:50 2026-09-16 TUSK Plaumann Mark Lawrence Dir P - Purchase $3.00 +5,000 5,000 New +$15.0K

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-09-16 P A 5,000 $3.00 5,000 D — — (F1) The price reported in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices within a range. The reporting person undertakes to provide to Mammoth Energy Services, Inc., any security holder of Mammoth Energy Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price. (F2) Of the shares reported herein, 2,100 shares are held in a Roth IRA and 2,900 shares are held in a traditional IRA, each for the benefit of the Reporting Person.