MAMMOTH ENERGY SERVICES, INC. (TUSK)
$3.23+$0.21 (+6.95%) Latest session
Mammoth Energy Services Inc is an integrated energy services company engaged in providing products and services to enable the exploration and development of North American onshore unconventional oil and natural gas reserves as well as the construction and repair of the electric grid for private utilities, public investor-owned utilities, and co-operative utilities through infrastructure services businesses. The company had three reportable segments, which includes rental services, infrastructure services, natural sand proppant services, accommodation services, and drilling services.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 4,019,574 | $10.47M |
| Other acquisition / disposition | 8 | 13,998,817 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
14 Form 4 filings on record, the earliest from Nov 12, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Phillip Lancaster - Director | Other | Common Stock | 68,152 | $0.00 | - | |
| Paul M. Jacobi - Officer | Other | Common Stock | 3,211 | $0.00 | - | |
| Arthur H. Amron - Director | Other | Common Stock | 19,121 | $0.00 | - | |
| Arthur H. Amron - Director | Other | Common Stock | 10,329 | $0.00 | - | |
| WEXFORD CAPITAL LP - Officer | Open-market purchase | Common Stock | 4,019,574 | $2.60 | $10.47M | |
| WEXFORD CAPITAL LP - Officer | Other | Common Stock | 1,072,896 | $0.00 | - | |
| WEXFORD CAPITAL LP - Officer | Other | Common Stock | 6,354,667 | $0.00 | - | |
| Charles E. Davidson - 10% Owner | Other | Common Stock | 2,403,831 | $0.00 | - | |
| Charles E. Davidson - 10% Owner | Other | Common Stock | 4,066,610 | $0.00 | - | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 2,500 | $3.22 | $8K | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 2,000 | $3.28 | $7K | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 2,500 | $3.24 | $8K | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 3,000 | $3.25 | $10K | |
| Arthur L. Smith - Director | Open-market sale | Common Stock | 20,000 | $2.51 | $50K | |
| Arthur L. Smith - Director | Open-market sale | Common Stock | 15,000 | $2.49 | $37K | |
| Arthur L. Smith - Director | Open-market sale | Common Stock | 50,000 | $2.51 | $125K | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 1,000 | $2.97 | $3K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 10,000 | $3.43 | $34K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 15,000 | $3.47 | $52K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 5,000 | $3.21 | $16K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 6,709 | $3.25 | $22K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 7,100 | $3.68 | $26K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 3,607 | $3.50 | $13K | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 165 | $3.90 | $644 | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 24 | $3.76 | $90 | |
| Corey J. Booker - Director | Open-market sale | Common Stock | 3,494 | $3.61 | $13K |
MAMMOTH ENERGY SERVICES, INC. (TUSK) had 5 insider filings in the last 90 days, with the most recent on 2026-07-01. The full record for TUSK runs to 14 Form 4 filings, the earliest from 2024-11-12. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
1 insider purchase of TUSK was filed in the last 90 days, totaling $10.47M.
No insider sales of TUSK were filed in the last 90 days. 12 sales are on record for this company.
This page tracks TUSK Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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