TUSK insider transaction filings
MAMMOTH ENERGY SERVICES, INC. — 10 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-07-01. Screen TUSK transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-01 | 4 | Lancaster Phillip — Director | Other (J): 68,152 @ $0 | EDGAR |
| 2026-06-22 | 4 | Jacobi Paul M. — Chief Business Officer, Director | Other (J): 3,211 @ $0 | EDGAR |
| 2026-06-22 | 4 | Amron Arthur H — Director Amron Holdings LLC — Director | Other (J): 19,121 @ $0 · Other (J): 10,329 @ $0 | EDGAR |
| 2026-06-22 | 4 | WEXFORD CAPITAL LP — Chief Business Officer, Director, 10% owner Wexford GP LLC — Chief Business Officer, Director, 10% owner DAVIDSON CHARLES E — Chief Business Officer, Director, 10% owner JACOBS JOSEPH — Chief Business Officer, Director, 10% owner | Other (J): 1,072,896 @ $0 · Other (J): 6,354,667 @ $0 · Purchase (P): 4,019,574 @ $2.60 | EDGAR |
| 2026-06-22 | 4 | DAVIDSON CHARLES E — 10% owner CD Holding Company, LLC — 10% owner | Other (J): 2,403,831 @ $0 · Other (J): 4,066,610 @ $0 | EDGAR |
| 2026-06-15 | 4 | Amron Arthur H — Director | Purchase (P): 2,500 @ $3.22 · Purchase (P): 2,000 @ $3.28 | EDGAR |
| 2026-05-28 | 4 | Amron Arthur H — Director | Purchase (P): 2,500 @ $3.24 · Purchase (P): 3,000 @ $3.25 | EDGAR |
| 2025-12-15 | 4 | Amron Arthur H — Director | Purchase (P): 10,000 @ $1.89 | EDGAR |
| 2025-05-27 | 4 | SMITH ARTHUR L — Director | Sale (S): 20,000 @ $2.51 | EDGAR |
| 2025-05-21 | 4 | SMITH ARTHUR L — Director | Sale (S): 15,000 @ $2.49 · Sale (S): 50,000 @ $2.51 | EDGAR |
Recent 8-K events — MAMMOTH ENERGY SERVICES, INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-07 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-26 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-15 | 8-K | 4.01 — Changes in Registrant's Certifying Accountant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-04 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-31 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-08 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-07-03 | 8-K | 1.01 — Entry into a Material Definitive Agreement 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-06-30 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
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