MAMMOTH ENERGY SERVICES, INC. (TUSK)
Data as of , from SEC Form 4 filings.
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About MAMMOTH ENERGY SERVICES, INC. (TUSK)
MAMMOTH ENERGY SERVICES, INC. is an SEC registrant, filing under CIK 0001679268, classified as oil and gas field services, nec. It is grouped with Energy companies on this site.
TUSK Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 5,000 | $15K |
TUSK insider transactions (Form 4)
2715 Form 4 filings on record, the earliest from Nov 12, 2024, newest first.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Mark Lawrence Plaumann - Director | Open-market purchase | Common Stock | 5,000 | $3.00 footnote F1 | $15K | |
| ||||||
| 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 footnote F1 | $8K | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 2,000 | $3.28 footnote F1 | $7K | |
| ||||||
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 2,500 | $3.24 footnote F1 | $8K | |
| Arthur H. Amron - Director | Open-market purchase | Common Stock | 3,000 | $3.25 footnote F1 | $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 | |
TUSK insider trading FAQ
What is the latest insider trade for TUSK?
MAMMOTH ENERGY SERVICES, INC. (TUSK) had 1 insider filing in the last 90 days, with the most recent on 17 September 2026. The full record for TUSK runs to 15 Form 4 filings, the earliest from 12 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying TUSK stock?
1 insider purchase of TUSK was filed in the last 90 days, totaling $15K.
How many insiders are selling TUSK stock?
No insider sales of TUSK were filed in the last 90 days. 12 sales are on record for this company.
Where can I see TUSK SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects TUSK Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Energy companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Mark Lawrence Plaumann view on EDGAR
- - Phillip Lancaster view on EDGAR
- - Paul M. Jacobi view on EDGAR
- - Arthur H. Amron view on EDGAR
- - WEXFORD CAPITAL LP view on EDGAR
- - Charles E. Davidson view on EDGAR
- - Arthur H. Amron view on EDGAR
- - Arthur H. Amron view on EDGAR
- - Arthur L. Smith view on EDGAR
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Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Insider activity in Energy
- Where TUSK's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- TUSK on your watchlist
- Every TUSK Form 4 filing on record
- Up to 3 months of TUSK price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
