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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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Home›Stocks›TUSK
TUSK logo

TUSK

MAMMOTH ENERGY SERVICES, INC.

Next earnings Aug 6, 2026

Last earnings +21.8% on 2026-05-11

Avoid
$3.13
▲ +7.56%
$3.13▲ +8.68%
over 1Y
L $1.73H $3.84
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today+7.6%
1W+15.1%
1M-11.8%
3M+27.8%
YTD+58.9%
1Y+8.7%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Avoid
Quality
C+
Valuation
Undervalued
Filings
Clean
Avoid
Conviction
Horizon
Medium (3–12mo)
Street · 7 analysts
Buy

The $0.10 GAAP 'profit' masks a $63.8M continuing-ops loss and a bet-the-company pivot into aircraft leasing — not investable.

Operating income -$57.4M · FY2025

The read

It screens cheap (~19% below fair value), but the weak fundamentals are why — more potential value trap than bargain.

TUSK's headline looks benign — $4.6M net income, a 31x P/E, no long-term debt and $102M cash — but the operating reality is broken. Operating income was -$57.4M (a -130% operating margin), operating cash flow was -$18.6M, and management's own MD&A discloses a net loss *from continuing operations* of $63.8M, or $1.32 per diluted share, with Adjusted EBITDA of -$17.4M. The small positive GAAP EPS is an artifact of 2025 divestitures/discontinued operations, not earning power, so the reported P/E is meaningless and P/S of 3.4x for a business losing money at the operating line is not 'cheap.' Revenue has collapsed ~88% from $362M (2022) and $309M (2023) to $44.3M, and even that shrank -2.9% year-over-year — this is a company in structural retreat, not a growth story.

The filing confirms why: management has temporarily shut down crude-oil hauling, cementing, acidizing and land drilling, idled the Pierce County sand plant, and cut the workforce across all operations. Simultaneously it spent $70.6M of capex — $70.0M on aircraft and equipment — pivoting from oilfield services into aviation asset leasing. That is a speculative transformation funded partly by the one-time PREPA settlement cash, and MD&A warns that recommencing idled services 'will further increase our liquidity requirements in advance of revenue generation.' The forward picture is therefore genuinely unknowable: the aircraft-leasing thesis is unproven at this company, and the accumulated deficit of -$279M shows a long history of value destruction.

Is TUSK a buy? The one-page verdict, explained →

The options angle

model · matches our verdict
Bear put spread (caution)~60d expiry
  • Long put 3 @ ~0.34 est
  • Short put 3 @ ~0.34 est
debit $0max +$0max $0

AVOID means we wouldn't engage at all — if expressing the short side anyway, only with capped risk.

Open in the calculator →

Educational template, not a trade recommendation. Strikes and premiums are Black-Scholes model estimates from the last close and 30-day realized volatility — real chains, spreads and IV will differ. Options involve substantial risk.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue—$362M$309M$45.6M$44.3M
Gross profit—————
Operating income-$123M-$16.4M-$16.7M-$120M-$57.4M
Net income-$101M-$619K-$3.16M-$207M$4.60M
Diluted EPS-$2.18-$0.01-$0.07-$4.31$0.10
Net margin—-0.2%-1.0%-454.7%10.4%

10-year statements — income, cash flow, balance sheet & CSV export →

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$48.8M
EV / EBITDA1.4
EV / Sales1.1
EV / FCF—
P / FCF—
PEG (trailing)0.31
Earnings yield3.0%
FCF yield-59.1%

Quality & risk

ROIC (est.)-17.6%
Free cash flow-$89.1M
Total debt$0.00
Net cash$102M
Altman Z-Score-0.04 distress
Piotroski F-Score5/8

Capital returns

Buyback yield—
Dividend yield (est.)0.0%
Shareholder yield0.0%
Shares Δ YoY+0.5%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Recent disclosure tone has been improving.
  1. 8-K Shareholder vote2026-06-26

    Annual meeting voting results (director/auditor votes); routine governance

  2. 8-K Auditor change2026-05-15

    Proxy: annual meeting slate/comp; no direct financial change

  3. DEF 14A Proxy statement2026-05-15

    Proxy: annual meeting slate/comp; no direct financial change

  4. 8-K Earnings results2026-05-11

    Q1 2026 10-Q: $102M cash, no debt; revenue still depressed post-shutdowns

  5. 10-Q Quarterly report2026-05-11

    Q1 2026 10-Q: $102M cash, no debt; revenue still depressed post-shutdowns

  6. 8-K Earnings results2026-03-06

    FY2025: net profit but -$57M op loss, neg OCF, key oilfield services idled

  7. 10-K Annual report2026-03-06

    FY2025: net profit but -$57M op loss, neg OCF, key oilfield services idled

  8. 8-K Material agreement2025-12-04

    Completed asset sale/agreement — divestiture bolstering cash, slimming portfolio

  9. 10-Q Quarterly report2025-11-03

    Q3 2025 10-Q: continued low revenue, balance sheet still debt-free

Recent filings

all on EDGAR ↗
4Period ending 2026-06-262026-07-01open ↗8-KPeriod ending 2026-06-252026-06-26open ↗SCHEDULE 13GFiling2026-06-22open ↗SCHEDULE 13G/AFiling2026-06-22open ↗4Period ending 2026-06-172026-06-22open ↗4Period ending 2026-06-172026-06-22open ↗4Period ending 2026-06-172026-06-22open ↗4Period ending 2026-06-172026-06-22open ↗4Period ending 2026-06-112026-06-15open ↗4Period ending 2026-05-262026-05-28open ↗ARSPeriod ending 2026-05-152026-05-15open ↗DEFA14AFiling2026-05-15open ↗

Quality score

C+
ValueGrowthProfitHealthMom.
ValueC
GrowthB-
ProfitabilityD
Financial healthA
MomentumB
  • ✗Revenue growing year-over-year
  • ✓Profitable (positive net income)
  • ✓Net margin above 10%
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
  • ✗P/E below 25

Fair value est.

$3.74

Undervalued +19% vs price

cheapfair valueexpensive

Modified Graham: EPS $0.10 × (8.5 + 1.5 × 22.0% growth) × 0.90 quality = 37.4× multiple. An estimate, not a price target.

1.7352-week3.84
Revenue
$44.3M
-2.9% YoY
Net margin
10.4%
ROE
1.8%
P/E
31.3

SEC fundamentals · FY 2025

'21'22'23'24'25

■ revenue · ■ net income, by fiscal year

Revenue$44.3M-2.9%
Net income$4.60M+102.2%
Operating income-$57.4M+52.3%
Diluted EPS$0.10+102.3%
Cash & equivalents$102M+67.6%
Total assets$335M-12.8%
Total liabilities$76.6M-41.6%
Stockholders' equity$258M+2.2%
Op.: -129.7%L/E: 0.30x

Frequently asked

Is MAMMOTH ENERGY SERVICES, INC. (TUSK) a buy?
TUSK currently carries a Avoid rating with 4/5 conviction, derived from its latest SEC filings. The $0.10 GAAP 'profit' masks a $63.8M continuing-ops loss and a bet-the-company pivot into aircraft leasing — not investable.
What is TUSK's fair value?
A Modified-Graham model based on TUSK's SEC fundamentals estimates a fair value of about $3.74. It is an estimate from reported earnings, not a price target.
Is TUSK overvalued or undervalued?
Against a Modified-Graham fair-value estimate, TUSK currently appears undervalued relative to its SEC-grounded earnings power.
What is MAMMOTH ENERGY SERVICES, INC.'s quality score?
TUSK scores 63.717511929773124/100 (grade C+) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0001679268, latest 10-Q filed 2026-05-11) · EODHD · Proprietary analysis · as of 7/3/2026, 4:06:43 PM.

›About this recommendation — produced by TENK/calls (tenkcalls.com), Luxembourg · not investment advice

AI-generated analysis, produced by our proprietary engine from SEC filing data.

Investment recommendation produced by TENK/calls (tenkcalls.com), Luxembourg. Completed Jul 3, 2026, 12:06 PM ET. Ratings & methodology: definitions · All recommendations to date: track record · Conflicts: disclosures. Not investment advice.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Insider activity

Form 4 · SEC

Last 90 days: 5 open-market buys · 0 sales

2026-06-26
Lancaster Phillip
Director
Acquired (J)68.2K
2026-06-17
Jacobi Paul M.
Chief Business Officer
Acquired (J)3.21K
2026-06-17
Amron Arthur H
Director
Acquired (J)19.1K
2026-06-17
Amron Arthur H
Director
Acquired (J)10.3K
2026-06-17
WEXFORD CAPITAL LP
Chief Business Officer
Acquired (J)1.07M
2026-06-17
WEXFORD CAPITAL LP
Chief Business Officer
Acquired (J)6.35M
2026-06-17
WEXFORD CAPITAL LP
Chief Business Officer
Buy4.02M @ $2.60$10.5M
2026-06-17
DAVIDSON CHARLES E
10% owner
Acquired (J)2.40M
2026-06-17
DAVIDSON CHARLES E
10% owner
Acquired (J)4.07M
2026-06-12
Amron Arthur H
Director
Buy2.00K @ $3.28$6.56K
2026-06-11
Amron Arthur H
Director
Buy2.50K @ $3.22$8.05K
2026-05-28
Amron Arthur H
Director
Buy3.00K @ $3.25$9.75K

Earnings history

beat/miss · move
2026-05-11—▲ +14.57%8-K ↗
2026-03-06—▼ -8.23%8-K ↗
2025-10-31Miss -250.1% est▼ -5.12%8-K ↗
2025-08-08Miss -1109.2% est▼ -6.53%8-K ↗
2025-05-07Miss -218.6% est▼ -5.24%8-K ↗
2025-03-07—▼ -19.59%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Vs tracked universe

compare →

1195 tracked peers · median

TENK Score64 vs 67
Revenue growth-2.9% vs 7.5%
Net margin10.4% vs 10.0%
Return on equity1.8% vs 12.0%
P/E31.3 vs 26.2