Figures computed from official regulatory filings — .
Analysttarget 4.9 USD (+75%)
Ownershipinsiders 15.78% · institutions 54.37% · short 0.4% of float
In USD · as of Oct 5, 2026
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Mammoth Energy Services, Inc. operates as an energy services company in the United States, Canada, and internationally. It operates in four segments: Well Completion Services, Infrastructure Services, and Natural Sand Proppant Services. The company offers hydraulic fracturing, sand hauling, water transfer, master services agreements. It also provides services on electric transmission and distribution, networks and substation facilities, such as engineering, design, construction, upgrade, maintenance, and repair of high voltage transmission line, substation and lower voltage overhead, and underground distribution systems; installs, maintains, and repair of commercial wiring; and storm repair and restoration services. In addition, the company mines, processes, and sells natural sand proppant; buys processed sand from suppliers on the spot market for resale; and provides logistics solutions to facilitate delivery of frac sand products. Further, it provides directional drilling services for drilling and production of oil and natural gas from unconventional resource play; leasing helicopters, and helicopter training and response services; equipment rentals consist of cranes, light plants, generators, and other oilfield related equipment; remote accommodation; coil tubing, pressure control, flowback, crude oil hauling, cementing, and acidizing services; production testing, solids control, hydrostatic testing, and torque services; contract drilling; rig moving; coil tubing; pressure control services, including nitrogen and fluid pumping services; and full service transportation. It serves government-funded, private, public investor-owned, and co-operative utilities; independent oil and natural gas producers; and land-based drilling contractors. The company was formerly known as Mammoth Energy Partners LP and changed its name to Mammoth Energy Services, Inc. in October 2016. Mammoth Energy Services, Inc. was founded in 2014 and is headquartered in Oklahoma City, Oklahoma.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
30 buys40 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Plaumann Mark Lawrence | Buy | $15K | conv 61First in 12mo |
| SEC |
| Lancaster Phillip | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| WEXFORD CAPITAL LLCtrack record | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| AMRON ARTHUR Htrack record | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| WEXFORD CAPITAL LLCtrack record | Buy | $10.5M | conv 76Unusual sizeFirst in 12mo | SEC |
| WEXFORD CAPITAL LLCtrack record | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Jacobi Paul M. | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| DAVIDSON CHARLES E | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| DAVIDSON CHARLES E | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| AMRON ARTHUR Htrack record | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| AMRON ARTHUR Htrack record | Buy | $6.6K | conv 22 | SEC |
| AMRON ARTHUR Htrack record | Buy | $8K | conv 22 | SEC |
| AMRON ARTHUR Htrack record | Buy | $8.1K | conv 23 | SEC |
| AMRON ARTHUR Htrack record | Buy | $9.8K | conv 22 | SEC |
| AMRON ARTHUR Htrack record | Buy | $18.9K | conv 56Unusual size | SEC |
| Smith Arthur L | Sell | $50.2K | SEC |
| Smith Arthur L | Sell | $125.5K | SEC |
| Smith Arthur L | Sell | $37.4K | SEC |
| AMRON ARTHUR Htrack record | Buy | $3K | conv 36 | SEC |
| Booker Corey J. | Sell | $34.3K | Unusual size | SEC |
| Booker Corey J. | Sell | $52.1K | Unusual size | SEC |
| Booker Corey J. | Sell | $21.8K | SEC |
| Booker Corey J. | Sell | $16.1K | SEC |
| Booker Corey J. | Sell | $26.1K | Unusual size | SEC |
| Booker Corey J. | Sell | $12.6K | SEC |