CIK 0001679268 · Accelerated filer<br>Smaller reporting company
MAMMOTH ENERGY SERVICES, INC.
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- 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.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-05-22 | SMITH ARTHUR L Director | Sale | −20,000 | $2.51 | $50K | 130,034 |
| 2025-05-20 | SMITH ARTHUR L Director | Sale | −50,000 | $2.51 | $126K | 150,034 |
| 2025-05-19 | SMITH ARTHUR L Director | Sale | −15,000 | $2.49 | $37K | 200,034 |
| 2024-11-25 | Booker Corey J. Director | Sale | −15,000 | $3.47 | $52K | 125,488 |
| 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 |
| 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 |
| 2023-12-14 | Straehla Arty Chief Executive Officer | Sale | −55,000 | $4.44 | $244K | 1,122,107 |
| 2023-12-13 | Straehla Arty Chief Executive Officer | Sale | −25,000 | $4.39 | $110K | 1,177,107 |
| 2022-11-11 | SMITH ARTHUR L Director | Sale | −20,000 | $7.07 | $141K | 163,368 |
| 2022-03-10 | Layton Mark E. CFO and Secretary | Sale | −40,417 | $2.04 | $82K | 455,360 |
| 2021-03-11 | Layton Mark E. CFO and Secretary | Sale | −55,789 | $5.22 | $291K | 495,777 |
Page 1 of 2 · 40 trades