What Mammoth Energy Services Inc's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.
| 3 months | 12 months | |
|---|---|---|
| Open-market buys | 1 | 7 |
| Sells | 0 | 0 |
| Total trades | 1 | 15 |
| 3 months | 12 months | |
|---|---|---|
| Acquired | 5,000 | 18,043,391 |
| Disposed | 0 | 0 |
| Net activity | +5,000 | +18,043,391 |
View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.
| Insider | Relation | Date | Transaction | Shares | Price | Value | Shares held |
|---|---|---|---|---|---|---|---|
| Plaumann Mark Lawrence | Director | Sep 16 | Open-market buy · P | +5,000 | $3.00 | +$15K | 5,000 |
| Lancaster Phillip | Director | Jun 26 | Other Transaction · J | +68,152 | — | — | 159,445 |
| Davidson Charles E | 10% owner | Jun 17 | Other Transaction · J | +4,066,610 | — | — | 4,066,610 |
| Davidson Charles E | 10% owner | Jun 17 | Other Transaction · J | +2,403,831 | — | — | 2,403,831 |
| Wexford Capital Lp | Chief Business Officer | Jun 17 | Open-market buy · P | +4,019,574 | $2.60 | +$10.5M | 10,620,789 |
| Wexford Capital Lp | Chief Business Officer | Jun 17 | Other Transaction · J | +6,354,667 | — | — | 6,601,215 |
| Wexford Capital Lp | Chief Business Officer | Jun 17 | Other Transaction · J | +1,072,896 | — | — | 1,451,034 |
| Amron Arthur H | Director | Jun 17 | Other Transaction · J | +10,329 | — | — | 10,329 |
| Amron Arthur H | Director | Jun 17 | Other Transaction · J | +19,121 | — | — | 86,256 |
| Jacobi Paul M. | Chief Business Officer | Jun 17 | Other Transaction · J | +3,211 | — | — | 31,067 |
| Amron Arthur H | Director | Jun 12 | Open-market buy · P | +2,000 | $3.28 | +$6.56K | 67,135 |
| Amron Arthur H | Director | Jun 11 | Open-market buy · P | +2,500 | $3.22 | +$8.05K | 65,135 |
| Amron Arthur H | Director | May 28 | Open-market buy · P | +3,000 | $3.25 | +$9.75K | 62,635 |
| Amron Arthur H | Director | May 26 | Open-market buy · P | +2,500 | $3.24 | +$8.1K | 59,635 |
| Amron Arthur H | Director | Dec 11 | Open-market buy · P | +10,000 | $1.89 | +$18.9K | 57,135 |
| Smith Arthur L | Director | May 22 | Open-market sale · S | −20,000 | $2.51 | −$50.2K | 130,034 |
| Smith Arthur L | Director | May 20 | Open-market sale · S | −50,000 | $2.51 | −$126K | 150,034 |
| Smith Arthur L | Director | May 19 | Open-market sale · S | −15,000 | $2.49 | −$37.4K | 200,034 |
| Amron Arthur H | Director | Dec 12 | Open-market buy · P | +1,000 | $2.97 | +$2.97K | 47,135 |
| Booker Corey J. | Director | Nov 25 | Open-market sale · S | −15,000 | $3.47 | −$52.1K | 125,488 |
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