Mammoth Energy Services, Inc. filings document the company’s operating results, material events and corporate governance as a Nasdaq-listed Delaware energy-services issuer. Recent Form 8-K reports furnish quarterly and annual operational and financial results and attach the company’s earnings releases as exhibits.
Other filings record material agreements involving the revolving credit facility, completed equipment dispositions in the hydraulic fracturing business, related impairment disclosures, board and executive appointments, compensation arrangements, director-independence determinations and capital-structure matters.
Mammoth Energy Services, Inc. (TUSK), through aviation subsidiaries Cobra Aviation Services LLC and Leopard Aviation LLC, entered into a Bank7 loan agreement providing for up to $58.0 million of senior secured term loan commitments to finance or reimburse additional aircraft acquisitions. The facilities comprise $25.0 million Term Loan A and $33.0 million Term Loan B; no amounts were advanced at closing. Mammoth expects to use proceeds to fund additional aviation asset acquisitions.
Term Loan B was unavailable at closing and may become available only upon additional conditions, including Bank7’s sale of a participation interest in the loans of at least $10.0 million on terms acceptable to Bank7 and full advancement of Term Loan A. Borrowings bear a variable annual rate equal to the greater of 6.25% and the Wall Street Journal prime rate plus 0.50%; monthly principal and interest payments begin in January 2027 based on a 48-month amortization period, and the loans mature on October 26, 2030. Mammoth guarantees the borrowers’ joint and several obligations, secured by substantially all borrower assets. Beginning December 31, 2026, Cobra must maintain a debt service coverage ratio of at least 1.25 to 1.00, and Mammoth, on a stand-alone basis, must maintain at least $25.0 million of unencumbered liquid assets as of each fiscal quarter-end.
Mammoth Energy Services, Inc. reported third-quarter 2026 revenue of $21.3 million, up 95% year over year from $10.9 million. Net income from continuing operations was $0.3 million, versus a $12.6 million loss in the third quarter of 2025 and a $1.2 million loss in the second quarter of 2026. Adjusted EBITDA from continuing operations was $5.8 million, versus a $4.8 million loss in the third quarter of 2025 and $2.6 million in the second quarter of 2026; its margin was 27.2%, versus 10.0% in the second quarter.
Mammoth raised its 2026 outlook for the third time, expecting revenue growth to exceed 90% and an Adjusted EBITDA margin in the mid-teens. Its initial 2027 outlook calls for Adjusted EBITDA to increase more than 40% versus full-year 2026, assuming continued deployment of the existing aviation fleet and incremental contributions from aviation investments. As of September 30, 2026, cash and marketable securities totaled $37.6 million; the revolving credit facility was undrawn with $20.0 million of borrowing capacity after $5.0 million of letters of credit. On October 28, 2026, Mammoth entered a senior secured term loan facility with Bank7 providing aggregate commitments of up to $58.0 million.
MAMMOTH ENERGY SERVICES, INC. (TUSK) director Mark Lawrence Plaumann purchased 5,000 shares of common stock on September 16, 2026 in an open-market transaction at a weighted average price of $3.00 per share. Following this purchase, he beneficially owns 5,000 shares, including 2,100 shares in a Roth IRA and 2,900 shares in a traditional IRA held for his benefit. No Rule 10b5-1 trading plan is reported.
Mammoth Energy Services focuses on rental, aviation, infrastructure, sand, accommodation and drilling services in North America. For the three months ended June 30, 2026, total revenue was 26,054 and operating income was 2,628 (both in thousands), up from revenue of 12,353 and an operating loss of 37,127 a year earlier, when results included a 31,669 impairment of long‑lived assets.
For the first six months of 2026, revenue rose to 48,085 (in thousands) and net income from continuing operations was 3,487 (in thousands), compared with a loss of 38,770 in 2025. Including discontinued operations from divested transmission, pressure pumping and engineering businesses, net income was 4,427 versus 8,311, as the prior period benefited from large divestiture gains.
Cash and restricted cash of continuing operations totaled 62,783 (in thousands) at June 30, 2026, down from 114,072 at year‑end, reflecting 55,669 of capital expenditures, a 6,499 acquisition of Mission Construction and BERE Rentals, and investment activity. The company has no borrowings on a new $25.0 million revolving credit facility and reported equity of 262,389 (in thousands). PREPA still owes Cobra $20.0 million under a 2024 settlement, and after quarter‑end Mammoth committed to purchase three aircraft for $32.4 million.
Mammoth Energy Services reported strong second-quarter 2026 growth, with revenue from continuing operations rising 110% year over year to $26.1 million and Adjusted EBITDA improving to $2.6 million. The company still recorded a net loss from continuing operations of $1.2 million, or $0.02 per diluted share, compared with a $36.5 million loss a year earlier.
Rental services, driven by aviation activity, generated $10.2 million of revenue, while sand, accommodation and drilling segments also grew versus 2025. Management raised full-year 2026 guidance, now expecting revenue growth to exceed 90% and Adjusted EBITDA margin to exceed 10%. Liquidity comprised $77.0 million of cash, cash equivalents and marketable securities and an undrawn $20.0 million revolving credit facility as of June 30, 2026.
Mammoth Energy Services director Phillip Lancaster reported an internal share restructuring. On June 26, 2026, 68,152 shares of Common Stock were involved in a transaction coded as an “other acquisition or disposition,” described as an in-kind distribution from MEH SUB LLC.
The footnote states this distribution did not involve a purchase or sale of securities or any additional consideration. Following the transaction, Lancaster directly owns 159,445 shares of Mammoth Energy Services common stock.
Mammoth Energy Services, Inc. reported the results of its annual stockholder meeting held on June 25, 2026 in Oklahoma City. Stockholders elected six directors – Arthur Amron, Corey Booker, Paul Jacobi, Phil Lancaster, James Palm and Mark Plaumann – to serve until the 2027 annual meeting.
They also approved, on an advisory basis, the compensation of the company’s named executive officers and indicated a preference for holding the advisory vote on executive compensation every year, with 35,911,762 votes cast for an annual frequency. In addition, stockholders ratified the appointment of Carr, Riggs & Ingram L.L.C. as independent registered public accounting firm for the fiscal year ending December 31, 2026.
Mammoth Energy Services, Inc. Schedule 13G shows two related reporting persons jointly claiming beneficial ownership of company stock. Charles E. Davidson is reported to beneficially own 6,470,441 shares (13.43%) and CD Holding Company, LLC holds 4,066,610 shares (8.44%).
The filing states these percentages are calculated on the basis of 48,170,647 shares outstanding as of May 5, 2026. Davidson may be deemed to beneficially own CD Holding’s shares due to his controlling relationship; the Reporting Persons filed jointly under a written agreement.
Mammoth Energy Services amended a Schedule 13G to report shared beneficial ownership of 12,071,823 shares of Common Stock by Wexford-related reporting persons, representing 25.06% of the class.
The percentage is calculated using 48,170,647 shares outstanding as of May 5, 2026. The filing states the shared power to vote and dispose of these shares and also includes disclaimers that the Reporting Persons disclaim beneficial ownership of the securities held by the Wexford Funds, except to the extent of pecuniary interests for certain individuals.
MAMMOTH ENERGY SERVICES, INC. director and Chief Business Officer Paul M. Jacobi reported an entity restructuring transaction involving 3,211 shares of common stock on an in-kind basis. According to the disclosure, the shares were distributed from MEH SUB LLC, an entity managed by Wexford Capital LP, and the move did not involve a purchase, sale, or any additional consideration. Following this in-kind distribution, Jacobi directly holds 31,067 shares of Mammoth Energy common stock, indicating a routine reallocation of ownership rather than an open-market trade.