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TUSK filings

Corporate insider profile

Mark Lawrence Plaumann Filing Activity

Latest reported as Corporate insider of MAMMOTH ENERGY SERVICES, INC. (TUSK).

Purchase filings
1
Reported companies
2
Net open-market value
-$293,826.60
Latest transaction
Sep 16, 2026

Affiliated corporations

Reported company relationships

TUSKLatest reported

MAMMOTH ENERGY SERVICES, INC.

Corporate insider

FANGPrior filing

Diamondback Energy, Inc.

Corporate insider

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
DateCompanyRoleTypeSharesPriceTotal value
Sep 16, 2026MAMMOTH ENERGY SERVICES, INC. (TUSK)Corporate insiderOpen Market Purchase5,000$3.00$15,000
Aug 21, 2026Diamondback Energy, Inc. (FANG)Corporate insiderSale1,000$210.58$210,577
Jun 9, 2026Diamondback Energy, Inc. (FANG)Corporate insiderSale500$196.50$98,250