MAMMOTH ENERGY SERVICES, INC.

For the period ended Mar 31, 2026. Filed May 11, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 11, 2026

TUSK$3.27+6.9%Stored close · as of Nov 10, 2026

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Contents

Condensed Consolidated Statements of Cash Flows

	Three Months Ended March 31,
	2026	2025
(in thousands)
Cash flows from operating activities:
Net income (loss)	$5,187	$(537)
Less: Net income from discontinued operations, net of income taxes	503	1,712
Net income (loss) from continuing operations	4,684	(2,249)
Adjustments to reconcile net income (loss) from continuing operations to net cash used in operating activities:
Stock based compensation	—	211
Depreciation, depletion, amortization and accretion	3,470	2,083
Amortization of debt origination costs	177	177
Gains on disposal of assets, net	(674)	(3,472)
Gains from sale of aviation equipment	(700)	—
Unrealized gain on marketable securities, net	(7,103)	—
Other	768	(140)
Changes in assets and liabilities:
Accounts receivable, net	(5,828)	3,543
Inventories	889	144
Other current assets	1,272	2,368
Accounts payable	193	411
Accrued expenses and other liabilities	(934)	(4,416)
Income taxes payable	1,035	874
Net cash used in operating activities from continuing operations	(2,751)	(466)
Net cash (used in) provided by operating activities from discontinued operations	(281)	3,177
Net cash (used in) provided by operating activities	(3,032)	2,711
Cash flows from investing activities:
Purchases of property, plant and equipment	(11,706)	(462)
Proceeds from disposal of property, plant and equipment	573	3,692
Proceeds from sale of aviation equipment	6,500	—
Purchases of marketable securities	(6,041)	—
Distributions of marketable securities	331	—
Net cash (used in) provided by investing activities from continuing operations	(10,343)	3,230
Net cash provided by (used in) investing activities from discontinued operations	4,581	(6,223)
Net cash used in investing activities	(5,762)	(2,993)
Cash flows from financing activities:
Principal payments on financing leases and equipment financing notes	(61)	(126)
Common stock repurchased and retired	(404)	—
Net cash used in financing activities from continuing operations	(465)	(126)
Net cash used in financing activities from discontinued operations	—	(3,672)
Net cash used in financing activities	(465)	(3,798)
Effect of foreign exchange rate on cash	(8)	5
Net decrease in cash, cash equivalents and restricted cash	(9,267)	(4,075)
Cash, cash equivalents and restricted cash at beginning of period	114,124	82,326
Cash, cash equivalents and restricted cash at end of period	104,857	78,251
Less: Cash, cash equivalents and restricted cash of discontinued operations at end of period	43	2,202
Cash, cash equivalents and restricted cash of continuing operations	$104,814	$76,049

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (CONTINUED)

	Three Months Ended March 31,
	2026	2025
(in thousands)
Supplemental disclosure of cash flow information for continuing operations:
Cash paid for interest	$50	$162
Cash paid for income taxes, net of refunds received	$88	$107
Supplemental disclosure of non-cash transactions for continuing operations:
Purchases of property, plant and equipment included in accounts payable and accrued expenses	$5,295	$48
Right-of-use assets obtained for financing lease liabilities	$(25)	$—

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.