Mammoth Energy Services, Inc.
TUSKAs of the close on Sep 25, 2026
Price
$2.98
Market cap
$143M
P/E (diluted TTM)
—
The quarterly per-share figures could not be confirmed against net income
EPS (TTM)
—
The quarterly per-share figures could not be confirmed against net income
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Mammoth Energy Services, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
Pick a year or quarter. Each band's width is its dollar amount.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 12 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 22, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| WELLS FARGO & COMPANY/MN | 2026-03-31 | 9,469 | $23.2K | SEC filing |
| DIMENSIONAL FUND ADVISORS LP | 2026-03-31 | 686,199 | $1.68M | SEC filing |
| BNP PARIBAS FINANCIAL MARKETS | 2026-03-31 | 16,747 | $41K | SEC filing |
| LEVIN CAPITAL STRATEGIES, L.P. | 2026-03-31 | 25,000 | $61.3K | SEC filing |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 2026-03-31 | 1,416 | $3.47K | SEC filing |
| PNC FINANCIAL SERVICES GROUP, INC. | 2026-03-31 | 5,720 | $14K | SEC filing |
| STATE STREET CORP | 2026-03-31 | 421,922 | $1.03M | SEC filing |
| Creative Planning | 2026-03-31 | 16,950 | $41.5K | SEC filing |
| Allianz SE | 2026-03-31 | 800 | $1.96K | SEC filing |
| GOLDMAN SACHS GROUP INC | 2026-03-31 | 223,489 | $548K | SEC filing |
| CITADEL ADVISORS LLC | 2026-03-31 | 331,367 | $812K | SEC filing |
| Advisory Services Network, LLC | 2026-03-31 | 500 | $1.23K | SEC filing |
| ROTHSCHILD INVESTMENT LLC | 2026-03-31 | 133 | $326 | SEC filing |
| GEODE CAPITAL MANAGEMENT, LLC | 2026-03-31 | 610,926 | $1.5M | SEC filing |
| RENAISSANCE TECHNOLOGIES LLC | 2026-03-31 | 231,972 | $568K | SEC filing |
| Tower Research Capital LLC (TRC) | 2026-03-31 | 12,522 | $30.7K | SEC filing |
| ACADIAN ASSET MANAGEMENT LLC | 2026-03-31 | 204,105 | Not shown | SEC filing |
| Legal & General Group Plc | 2026-03-31 | 2,179 | $5.34K | SEC filing |
| Archer Investment Corp | 2026-03-31 | 11,200 | $27.4K | SEC filing |
| Boston Partners | 2026-03-31 | 154,388 | $378K | SEC filing |
- Each value is checked against Mammoth Energy Services, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the filed value is about 1,000 times too small for the share count at Mammoth Energy Services, Inc.'s share price.
Filer report history
Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.
- BRIDGEWAY CAPITAL MANAGEMENT, LLC: 409,991 shares reported 2025-12-31; 332,313 shares reported 2026-03-31.
- PRICE T ROWE ASSOCIATES INC /MD/: 13,385 shares reported 2025-12-31; 13,385 shares reported 2026-03-31.
- NEW YORK STATE COMMON RETIREMENT FUND: 10,696 shares reported 2025-12-31; 10,696 shares reported 2026-03-31.
- JPMORGAN CHASE & CO: 165,984 shares reported 2025-12-31; 10,275 shares reported 2026-03-31.
- VALUEWORKS LLC: 12,775 shares reported 2025-12-31; 10,720 shares reported 2026-03-31.
- CWM, LLC: 265 shares reported 2025-12-31; 5,793 shares reported 2026-03-31.
- CITIGROUP INC: 549 shares reported 2025-12-31; 1,127 shares reported 2026-03-31.
- AQR CAPITAL MANAGEMENT LLC: 11,255 shares reported 2025-12-31; 66,731 shares reported 2026-03-31.
- SBI Securities Co., Ltd.: 120 shares reported 2025-12-31; 101 shares reported 2026-03-31.
- RHUMBLINE ADVISERS: 32,643 shares reported 2025-12-31; 32,863 shares reported 2026-03-31.
- STEINBERGANNA WEALTH MANAGEMENT: 13,615 shares reported 2025-12-31; 18,360 shares reported 2026-03-31.
- Empowered Funds, LLC: 218,991 shares reported 2025-12-31; 241,313 shares reported 2026-03-31.
Showing the 12 most recent filer reports.
62 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Mammoth Energy Services, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-06-17 · DAVIDSON CHARLES E: Larger than all 27 other insider purchases of Common Stock on file. SEC filing
- 2022-06-10 · DAVIDSON CHARLES E: Larger than 26 of the 27 other insider purchases of Common Stock on file. SEC filing
- 2019-11-13 · DAVIDSON CHARLES E: Larger than 25 of the 27 other insider purchases of Common Stock on file. SEC filing
- 2018-07-30 · GULFPORT ENERGY CORP: Larger than 35 of the 38 other insider sales of Common Stock on file. SEC filing
- 2018-07-30 · DAVIDSON CHARLES E: Larger than 36 of the 38 other insider sales of Common Stock on file. SEC filing
- 2018-06-29 · DAVIDSON CHARLES E: Larger than all 38 other insider sales of Common Stock on file. SEC filing
- 2018-06-29 · GULFPORT ENERGY CORP: Larger than 37 of the 38 other insider sales of Common Stock on file. SEC filing
Independent insiders buying near the same time
- 2026-06-11–2026-06-17: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2016-10-19–2016-10-19: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-17 | DAVIDSON CHARLES E · Chief Business Officer | Common Stock | P — Open market or private purchase | +4,019,574 | 2.60 | SEC filing |
| 2026-06-12 | Amron Arthur H · Director | Common Stock | P — Open market or private purchase | +2,000 | 3.28 | SEC filing |
| 2026-06-11 | Amron Arthur H · Director | Common Stock | P — Open market or private purchase | +2,500 | 3.22 | SEC filing |
| 2026-05-28 | Amron Arthur H · Director | Common Stock | P — Open market or private purchase | +3,000 | 3.25 | SEC filing |
| 2026-05-26 | Amron Arthur H · Director | Common Stock | P — Open market or private purchase | +2,500 | 3.24 | SEC filing |
| 2025-12-11 | Amron Arthur H · Director | Common Stock | P — Open market or private purchase | +10,000 | 1.89 | SEC filing |
| 2025-05-22 | SMITH ARTHUR L · Director | Common Stock | S — Open market or private sale | −20,000 | 2.51 | SEC filing |
| 2025-05-20 | SMITH ARTHUR L · Director | Common Stock | S — Open market or private sale | −50,000 | 2.51 | SEC filing |
Showing 8 of 20 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2024-06-12 | Amron Arthur H · Director | Common Stock | A — Grant, award, or other acquisition | +27,856 | SEC filing |
| 2024-06-12 | Palm James D · Director | Common Stock | A — Grant, award, or other acquisition | +27,856 | SEC filing |
| 2024-06-12 | SMITH ARTHUR L · Director | Common Stock | A — Grant, award, or other acquisition | +27,856 | SEC filing |
| 2024-06-12 | Booker Corey J. · Director | Common Stock | A — Grant, award, or other acquisition | +27,856 | SEC filing |
| 2024-06-12 | Jacobi Paul M. · Director | Common Stock | A — Grant, award, or other acquisition | +27,856 | SEC filing |
| 2023-06-07 | Booker Corey J. · Director | Common Stock | A — Grant, award, or other acquisition | +23,810 | SEC filing |
| 2023-06-07 | Amron Arthur H · Director | Common Stock | A — Grant, award, or other acquisition | +23,810 | SEC filing |
| 2023-06-07 | SMITH ARTHUR L · Director | Common Stock | A — Grant, award, or other acquisition | +23,810 | SEC filing |
Showing 8 of 14 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-17 | Jacobi Paul M. · Chief Business Officer | Common Stock | J — Other acquisition or disposition | +3,211 | SEC filing |
| 2026-06-17 | DAVIDSON CHARLES E · 10% owner | Common Stock | J — Other acquisition or disposition | +2,403,831 | SEC filing |
| 2026-06-17 | DAVIDSON CHARLES E · 10% owner | Common Stock | J — Other acquisition or disposition | +4,066,610 | SEC filing |
| 2026-06-17 | Amron Arthur H · Director | Common Stock | J — Other acquisition or disposition | +19,121 | SEC filing |
| 2026-06-17 | Amron Arthur H · Director | Common Stock | J — Other acquisition or disposition | +10,329 | SEC filing |
| 2026-06-17 | DAVIDSON CHARLES E · Chief Business Officer | Common Stock | J — Other acquisition or disposition | +6,354,667 | SEC filing |
| 2026-06-17 | DAVIDSON CHARLES E · Chief Business Officer | Common Stock | J — Other acquisition or disposition | +1,072,896 | SEC filing |
| 2024-03-12 | DAVIDSON CHARLES E · Director, 10% owner | Common Stock | J — Other acquisition or disposition | −535,366 | SEC filing |
Showing 8 of 8 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.