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 |
|---|---|---|---|---|---|---|
| 2018-07-30 | GULFPORT ENERGY CORP Director | Sale | −118,974 | $38.01 | $4.5M | 9,829,548 |
| 2018-06-29 | MEH SUB LLC Director | Sale | −2,764,400 | $38.01 | $105.1M | 22,244,919 |
| 2018-06-29 | GULFPORT ENERGY CORP Director | Sale | −1,235,600 | $38.01 | $47.0M | 9,948,522 |
| 2018-06-07 | McCarthy Marc T Director | Grant or award | +2,655 | 2,655 | ||
| 2018-06-07 | Heerwagen Paul K IV Director | Grant or award | +2,655 | 2,655 | ||
| 2018-06-07 | Palm James D Director | Grant or award | +2,655 | 19,725 | ||
| 2018-06-07 | Ross Matthew Director | Grant or award | +2,655 | 12,235 | ||
| 2018-06-07 | SMITH ARTHUR L Director | Grant or award | +2,655 | 12,235 | ||
| 2018-03-01 | Layton Mark E. CFO and Secretary | Sale | −4,373 | $26.13 | $114K | 52,702 |
| 2018-02-02 | McCarthy Marc T Director | Grant or award | +2,913 | 2,913 | ||
| 2018-02-02 | Heerwagen Paul K IV Director | Grant or award | +2,913 | 2,913 | ||
| 2018-02-02 | Ross Matthew Director | Grant or award | +2,913 | 9,580 | ||
| 2018-02-02 | SMITH ARTHUR L Director | Grant or award | +2,913 | 9,580 | ||
| 2018-02-02 | Palm James D Director | Grant or award | +4,370 | 17,070 | ||
| 2017-11-15 | Straehla Arty Chief Executive Officer | Sale | −7,553 | $17.81 | $135K | 224,158 |
| 2017-11-14 | Layton Mark E. CFO and Secretary | Sale | −925 | $19.01 | $18K | 57,075 |
| 2017-11-14 | Straehla Arty Chief Executive Officer | Sale | −18,289 | $18.71 | $342K | 231,711 |
| 2017-08-25 | Palm James D Director | Purchase | +2,000 | $12.60 | $25K | 12,700 |
| 2017-08-24 | Palm James D Director | Purchase | +4,000 | $12.83 | $51K | 10,700 |
| 2017-06-09 | SMITH ARTHUR L Director | Purchase | +6,000 | $16.91 | $101K | 6,000 |
Page 6 of 7 · 136 trades