// company-profile
Mammoth Energy Services, Inc.
TUSK// activity-summary
Recent insider activity is bullish. Over the last 30 days, 5 insiders purchased shares (net $10.5M). Buying was led by WEXFORD CAPITAL LP.
// 90-day insight
Over the last 90 days, Mammoth Energy Services, Inc. insiders bought $10.5M across 5 transactions with no open-market sales.
- Most active insider: Amron Arthur H with 6 transactions totaling $32K.
- Largest single purchase: $10.5M by WEXFORD CAPITAL LP on Jun 17, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Mammoth Energy Services, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | Amron Arthur H | TUSK | J | 10,329 | $0.00 | $0K |
| Jun 17, 2026 | WEXFORD CAPITAL LP | TUSK | Purchase | 4,019,574 | $2.60 | $10.47M |
| Jun 17, 2026 | Amron Arthur H | TUSK | J | 19,121 | $0.00 | $0K |
| Jun 17, 2026 | Jacobi Paul M. | TUSK | J | 3,211 | $0.00 | $0K |
| Jun 17, 2026 | DAVIDSON CHARLES E | TUSK | J | 2,403,831 | $0.00 | $0K |
40 more transactions hidden
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