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CIK 0001679268 · Accelerated filer<br>Smaller reporting company

MAMMOTH ENERGY SERVICES, INC.

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Ticker
TUSK
Exchange
Nasdaq
Industry
Oil & Gas Field Services, NEC
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
320498321
Phone
405-608-6007
Business address
14201 CALIBER DRIVE, SUITE 300, OKLAHOMA CITY, OK, 73134
Open-market buys, last 90 days
$15,000
in 1 filing
Open-market sales, last 90 days
$0
in 0 filings

Net +$15,000. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Plaumann Mark Lawrence +$15K Director 1 filing
Date Insider Transaction Shares Price Value Owned after
2024-11-22 Booker Corey J. Director Sale −10,000 $3.43 $34K 140,488
2024-11-21 Booker Corey J. Director Sale −6,709 $3.25 $22K 150,488
2024-11-20 Booker Corey J. Director Sale −5,000 $3.21 $16K 157,197
2024-11-14 Booker Corey J. Director Sale −3,607 $3.50 $13K 162,197
2024-11-13 Booker Corey J. Director Sale −7,100 $3.68 $26K 165,804
2024-11-11 Booker Corey J. Director Sale −3,494 $3.61 $13K 172,904
2024-11-08 Booker Corey J. Director Sale −24 $3.76 $90 176,398
2024-11-07 Booker Corey J. Director Sale −165 $3.90 $644 176,422
2024-06-12 Booker Corey J. Director Grant or award +27,856 176,587
2024-06-12 Palm James D Director Grant or award +27,856 240,144
2024-06-12 SMITH ARTHUR L Director Grant or award +27,856 215,034
2024-06-12 Jacobi Paul M. Director Grant or award +27,856 27,856
2024-06-12 Amron Arthur H Director Grant or award +27,856 46,135
2024-05-30 Amron Arthur H Director Purchase +3,000 $3.65 $11K 18,279
2024-05-28 Amron Arthur H Director Purchase +2,000 $3.57 $7K 15,279
2024-03-12 Amron Arthur H Director Purchase +3,000 $3.72 $11K 13,279
2024-03-12 WEXFORD CAPITAL LP Director Other disposition −535,366 21,690,075
2023-12-19 Straehla Arty Chief Executive Officer Sale −40,000 $4.35 $174K 1,012,107
2023-12-18 Straehla Arty Chief Executive Officer Sale −30,000 $4.38 $131K 1,052,107
2023-12-15 Straehla Arty Chief Executive Officer Sale −40,000 $4.36 $174K 1,082,107

Page 2 of 7 · 136 trades