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Mammoth Energy Services, Inc. (TUSK)

Mammoth Energy Services, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Mammoth Energy Services, Inc. (TUSK) is a Conglomerates company based in US with a market capitalization of $160.6M. Revenue declined 76.4% year-over-year and free cash flow was negative at -$89.1M. This page tracks TUSK's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 639 employees · IPO Oct 14, 2016

Valuation

Valuation & price

$3.20 · as of May 17, 2026 · -16.7% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

0.62

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$3.57$2.67$1.76Jul 25Dec 25Jul 26Jul 7, 25$2.67Jul 9, 25$2.65Jul 11, 25$2.66Jul 15, 25$2.56Jul 17, 25$2.64Jul 21, 25$2.53Jul 23, 25$2.67Jul 25, 25$2.72Jul 29, 25$2.68Jul 31, 25$2.60Aug 4, 25$2.56Aug 6, 25$2.51Aug 11, 25$2.20Aug 13, 25$2.43Aug 15, 25$2.24Aug 19, 25$2.27Aug 21, 25$2.26Aug 25, 25$2.38Aug 27, 25$2.33Aug 29, 25$2.37Sep 3, 25$2.33Sep 5, 25$2.29Sep 9, 25$2.32Sep 11, 25$2.38Sep 16, 25$2.36Sep 18, 25$2.34Sep 22, 25$2.29Sep 24, 25$2.46Sep 26, 25$2.43Sep 30, 25$2.29Oct 2, 25$2.29Oct 6, 25$2.30Oct 8, 25$2.33Oct 10, 25$2.17Oct 14, 25$2.29Oct 16, 25$2.23Oct 21, 25$2.20Oct 23, 25$2.17Oct 27, 25$2.13Oct 29, 25$2.06Oct 31, 25$2.04Nov 4, 25$2.05Nov 6, 25$2.02Nov 10, 25$1.96Nov 12, 25$1.99Nov 14, 25$1.95Nov 18, 25$1.84Nov 20, 25$1.76Nov 25, 25$1.85Nov 28, 25$1.84Dec 2, 25$1.77Dec 4, 25$2.16Dec 8, 25$2.09Dec 10, 25$1.94Dec 12, 25$1.77Dec 16, 25$1.88Dec 18, 25$1.92Dec 22, 25$1.84Dec 24, 25$1.86Dec 29, 25$1.87Jan 2, 26$1.97Jan 6, 26$1.96Jan 8, 26$1.96Jan 12, 26$2.04Jan 14, 26$2.30Jan 16, 26$2.29Jan 21, 26$2.39Jan 23, 26$2.39Jan 27, 26$2.19Jan 29, 26$2.34Feb 2, 26$2.41Feb 4, 26$2.43Feb 9, 26$2.45Feb 11, 26$2.39Feb 13, 26$2.30Feb 18, 26$2.27Feb 20, 26$2.26Feb 24, 26$2.27Feb 26, 26$2.37Mar 2, 26$2.48Mar 4, 26$2.62Mar 6, 26$2.12Mar 10, 26$2.19Mar 12, 26$2.17Mar 17, 26$2.17Mar 19, 26$2.14Mar 23, 26$2.13Mar 25, 26$2.33Mar 27, 26$2.85Mar 31, 26$2.45Apr 2, 26$2.45Apr 7, 26$2.45Apr 9, 26$2.44Apr 13, 26$2.49Apr 15, 26$2.72Apr 17, 26$2.71Apr 22, 26$2.49Apr 24, 26$2.57Apr 28, 26$2.82Apr 30, 26$2.86May 4, 26$2.54May 6, 26$2.50May 8, 26$2.39May 12, 26$2.94May 14, 26$3.27May 18, 26$3.19May 20, 26$3.15May 22, 26$3.25May 28, 26$3.21Jun 1, 26$3.38Jun 3, 26$3.57Jun 5, 26$3.32Jun 9, 26$3.34Jun 11, 26$3.19Jun 15, 26$3.09Jun 17, 26$3.04Jun 22, 26$2.92Jun 24, 26$3.05Jun 26, 26$2.94Jul 2, 26$3.13
$1.7352-week range$3.84
Loading valuation history…

Fundamentals

Key fundamentals

$160.6M

Market cap

-76.4%

Revenue growth (YoY)

-19.3%

Gross margin

-$89.1M

Free cash flow (USD)

-$118.2M

Net debt

Net cash position

0.4%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$230.6MFY 2017$691.5MFY 2018$1.7BFY 2019$625.0MFY 2020$313.1MFY 2021$229.0MFY 2022$362.1MFY 2023$309.5MFY 2024$187.9MFY 2025$44.3M
$230.6M$44.3M

Free cash flow by year

2016 → 2025

FY 2016$16.8MFY 2017$-76.2MFY 2018$194.7MFY 2019$-131.1MFY 2020$130.0KFY 2021$-24.7MFY 2022$2.5MFY 2023$12.0MFY 2024$163.7MFY 2025$-89.1M
$16.8M-$89.1M

Gross margin by year

2021 → 2025

FY 2021-20.9%FY 20225.3%FY 20235.3%FY 2024-4.2%FY 2025-19.3%
-20.9%-19.3%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

3

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 11, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventAnnual Meeting ResultsJun 26, 2026Filing
  • Insider buyInsider Buy $10.5MWEXFORD CAPITAL LP · Director, Chief Business Officer, 10% Owner · $10.5MJun 22, 2026Filing
  • Insider buyInsider Buy $15KAmron Arthur H · Director · $14.6KJun 15, 2026Filing
  • Insider buyInsider Buy $18KAmron Arthur H · Director · $17.8KMay 28, 2026Filing
  • 8-K eventAuditor ChangeMay 15, 2026Filing
  • 8-K eventEarnings ReleaseMay 11, 2026Filing
  • Quarterly report10-Q FiledMay 11, 2026Filing

Questions

Frequently asked questions

What is Mammoth Energy Services, Inc.'s market cap?

Mammoth Energy Services, Inc. (TUSK) has a market capitalization of $160.6M.

What is TUSK's P/E ratio?

A meaningful P/E ratio is not available for TUSK — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is TUSK's price-to-book (P/B) ratio?

TUSK trades at 0.62 times book value per share.

Are insiders buying TUSK stock?

Yes — SEC Form 4 filings show 3 open-market insider buys and 0 sells at Mammoth Energy Services, Inc. in the last 90 days.

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Timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.