Mammoth Energy Services (TUSK) Stock: Why It Moved Today
Updated Oct 19, 2026, 4:00 PM ET · closing price
- Closed at $2.70, -0.18% vs the prior close of $2.70.
- Volume 62.36K shares, 0.5x its 50-day average (light).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
TUSK ends flat (-0.2%) to $2.70, a 1-month low, 6 down days in a row. Closed at $2.70, -0.18% vs the prior close of $2.70. Day range $2.67–$2.74, opened at $2.72.
TUSK daily analysis — what happened
A plain-English, data-only note for every US trading day (today's note updates every 2 hours while the market is open). Newest first; older days stay archived below.
Oct 19, 2026 — TUSK ends flat (-0.2%) to $2.70, a 1-month low, 6 down days in a row
- Closed at $2.70, -0.18% vs the prior close of $2.70. Day range $2.67–$2.74, opened at $2.72.
- Volume was 62.36K shares, 0.5x its 50-day average of 137.98K — lighter than usual.
- Price is -10.9% vs its 50-day average ($3.03) and -1.6% vs its 200-day average ($2.74).
- 52-week range $1.72–$3.92; today's close sits at 45% of that range, 31.1% below the 52-week high.
- That makes 6 straight losses.
Oct 16, 2026 — TUSK ends flat (-0.2%) to $2.70, a 1-month low, 5 down days in a row
- Closed at $2.70, -0.18% vs the prior close of $2.71. Day range $2.66–$2.73, opened at $2.71.
- Volume was 75.69K shares, 0.5x its 50-day average of 141.31K — lighter than usual.
- Price is -11.1% vs its 50-day average ($3.04) and -1.3% vs its 200-day average ($2.74).
- 52-week range $1.72–$3.92; today's close sits at 45% of that range, 31.0% below the 52-week high.
- That makes 5 straight losses.
Oct 15, 2026 — TUSK ends flat (+0.0%) to $2.71, 4 down days in a row
- Closed at $2.71, +0.00% vs the prior close of $2.71. Day range $2.61–$2.74, opened at $2.68.
- Volume was 72.10K shares, 0.5x its 50-day average of 143.31K — lighter than usual.
- Price is -11.1% vs its 50-day average ($3.05) and -0.9% vs its 200-day average ($2.73).
- 52-week range $1.72–$3.92; today's close sits at 45% of that range, 30.9% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — TUSK slides 3.2% to $2.71, a 1-month low, 3 down days in a row
- Closed at $2.71, -3.21% vs the prior close of $2.80. Day range $2.70–$2.81, opened at $2.81.
- Volume was 51.40K shares, 0.4x its 50-day average of 145.56K — lighter than usual.
- Price is -11.2% vs its 50-day average ($3.05) and -0.8% vs its 200-day average ($2.73).
- 52-week range $1.72–$3.92; today's close sits at 45% of that range, 30.9% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — TUSK dips 0.4% to $2.80
- Closed at $2.80, -0.36% vs the prior close of $2.81. Day range $2.78–$2.83, opened at $2.83.
- Volume was 52.10K shares, 0.3x its 50-day average of 149.65K — lighter than usual.
- Price is -8.3% vs its 50-day average ($3.05) and +2.7% vs its 200-day average ($2.73).
- 52-week range $1.72–$3.92; today's close sits at 49% of that range, 28.6% below the 52-week high.
Oct 12, 2026 — TUSK dips 0.4% to $2.81
- Closed at $2.81, -0.35% vs the prior close of $2.82. Day range $2.74–$2.85, opened at $2.80.
- Volume was 128.00K shares, 0.8x its 50-day average of 151.70K.
- Price is -7.9% vs its 50-day average ($3.05) and +3.2% vs its 200-day average ($2.72).
- 52-week range $1.72–$3.92; today's close sits at 50% of that range, 28.3% below the 52-week high.
Oct 9, 2026 — TUSK rises 2.2% to $2.82
- Closed at $2.82, +2.17% vs the prior close of $2.76. Day range $2.72–$2.82, opened at $2.76.
- Volume was 66.40K shares, 0.4x its 50-day average of 153.75K — lighter than usual.
- Price is -7.5% vs its 50-day average ($3.05) and +3.8% vs its 200-day average ($2.72).
- 52-week range $1.72–$3.92; today's close sits at 50% of that range, 28.1% below the 52-week high.
Oct 8, 2026 — TUSK dips 3.0% to $2.76, a 1-month low
- Closed at $2.76, -2.99% vs the prior close of $2.85. Day range $2.75–$2.91, opened at $2.85.
- Volume was 256.30K shares, 1.6x its 50-day average of 155.78K.
- Price is -9.3% vs its 50-day average ($3.04) and +1.8% vs its 200-day average ($2.71).
- 52-week range $1.72–$3.92; today's close sits at 47% of that range, 29.6% below the 52-week high.
Oct 7, 2026 — TUSK dips 2.2% to $2.85
- Closed at $2.85, -2.23% vs the prior close of $2.91. Day range $2.79–$2.91, opened at $2.91.
- Volume was 54.00K shares, 0.3x its 50-day average of 158.65K — lighter than usual.
- Price is -6.4% vs its 50-day average ($3.04) and +5.1% vs its 200-day average ($2.71).
- 52-week range $1.72–$3.92; today's close sits at 51% of that range, 27.4% below the 52-week high.
Oct 6, 2026 — TUSK rises 2.5% to $2.91
- Closed at $2.91, +2.46% vs the prior close of $2.84. Day range $2.81–$2.93, opened at $2.86.
- Volume was 63.10K shares, 0.4x its 50-day average of 159.57K — lighter than usual.
- Price is -4.1% vs its 50-day average ($3.03) and +7.7% vs its 200-day average ($2.70).
- 52-week range $1.72–$3.92; today's close sits at 54% of that range, 25.8% below the 52-week high.
Oct 5, 2026 — TUSK rises 1.4% to $2.84
- Closed at $2.84, +1.43% vs the prior close of $2.80. Day range $2.77–$2.89, opened at $2.81.
- Volume was 79.30K shares, 0.5x its 50-day average of 159.69K — lighter than usual.
- Price is -6.3% vs its 50-day average ($3.03) and +5.3% vs its 200-day average ($2.70).
- 52-week range $1.72–$3.92; today's close sits at 51% of that range, 27.6% below the 52-week high.
Oct 2, 2026 — TUSK dips 1.4% to $2.80, a 1-month low, 5 down days in a row
- Closed at $2.80, -1.41% vs the prior close of $2.84. Day range $2.78–$2.84, opened at $2.84.
- Volume was 46.80K shares, 0.3x its 50-day average of 160.76K — lighter than usual.
- Price is -7.5% vs its 50-day average ($3.03) and +4.0% vs its 200-day average ($2.69).
- 52-week range $1.72–$3.92; today's close sits at 49% of that range, 28.6% below the 52-week high.
- That makes 5 straight losses.
TUSK bull case vs bear case (from the data)
- Latest fiscal-year net income: profit of $4.60M.
- Insiders made 25 open-market purchases in the last 12 months.
- Price is -10.9% vs its 50-day average — short-term trend is down.
- Price is -1.6% vs its 200-day average — below the long-term trend line.
- Annual revenue fell 2.9% in the latest fiscal year (SEC XBRL).
- Thin trading (under $2M a day on average) can mean wide bid/ask spreads.
TUSK latest news & SEC filings
Every SEC filing by or about TUSK in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 17, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Plaumann Mark Lawrence bought 5,000 shares at $3.00 (≈$15.00K) on Sep 16, 2026; now holds 5,000
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 7, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $26.05M (prior year $12.35M) (+110.9% vs Jun 30, 2025)
- Net income: -$760.00K (prior year $8.85M) (loss widened vs Jun 30, 2025)
- Diluted EPS: -$0.01 (prior year $0.18) (loss widened vs Jun 30, 2025)
Aug 7, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Jul 1, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 26, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.07 — Reported shareholder vote results.
Jun 22, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jun 22, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jun 22, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 22, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 22, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Wexford Gp Llc bought 4,019,574 shares at $2.60 (≈$10.45M) on Jun 17, 2026
- Wexford Gp Llc bought 4,019,574 shares at $2.60 (≈$10.45M) on Jun 17, 2026
- Jacobs Joseph bought 4,019,574 shares at $2.60 (≈$10.45M) on Jun 17, 2026
- Jacobs Joseph bought 4,019,574 shares at $2.60 (≈$10.45M) on Jun 17, 2026
- Davidson Charles E bought 4,019,574 shares at $2.60 (≈$10.45M) on Jun 17, 2026
- Davidson Charles E bought 4,019,574 shares at $2.60 (≈$10.45M) on Jun 17, 2026
- …plus 10 more transaction lines in the filing.
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Jun 22, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Things to know before you trade TUSK
- Last results release: Aug 7, 2026 (8-K Item 2.02). Previous ones: May 11, 2026, Mar 6, 2026, Oct 31, 2025. Based on that rhythm, the next report is likely around Nov 6, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 1.55% (largest 4.1%).
- Liquidity: about 80.96K shares (≈$218.60K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $2.70 vs a range of $1.72–$3.92 (45% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 25 open-market buys, 0 sales; latest: Mark Lawrence Plaumann bought 5,000 shares on Sep 16, 2026.
- Latest filings: 10-Q Aug 7, 2026; 8-K Aug 7, 2026; 8-K Jun 26, 2026.
- Share count: 48.13M shares outstanding (Aug 4, 2026), -0.1% vs a year earlier.
- Listing: Nasdaq · industry: Oil & Gas Field Services, NEC.
TUSK market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 19, 2026 | 2.72 | 2.74 | 2.67 | 2.70 | 62.36K |
| Oct 16, 2026 | 2.71 | 2.73 | 2.66 | 2.70 | 75.70K |
| Oct 15, 2026 | 2.68 | 2.74 | 2.61 | 2.71 | 72.10K |
| Oct 14, 2026 | 2.81 | 2.81 | 2.70 | 2.71 | 51.40K |
| Oct 13, 2026 | 2.83 | 2.83 | 2.78 | 2.80 | 52.10K |
| Oct 12, 2026 | 2.80 | 2.85 | 2.74 | 2.81 | 128.00K |
| Oct 9, 2026 | 2.76 | 2.82 | 2.72 | 2.82 | 66.40K |
| Oct 8, 2026 | 2.85 | 2.91 | 2.75 | 2.76 | 256.30K |
| Oct 7, 2026 | 2.91 | 2.91 | 2.79 | 2.85 | 54.00K |
| Oct 6, 2026 | 2.86 | 2.93 | 2.81 | 2.91 | 63.10K |
| Oct 5, 2026 | 2.81 | 2.89 | 2.77 | 2.84 | 79.30K |
| Oct 2, 2026 | 2.84 | 2.84 | 2.78 | 2.80 | 46.80K |
| Oct 1, 2026 | 2.83 | 2.85 | 2.78 | 2.84 | 60.20K |
| Sep 30, 2026 | 2.93 | 2.93 | 2.82 | 2.84 | 54.00K |
| Sep 29, 2026 | 2.90 | 2.90 | 2.83 | 2.85 | 47.50K |
| Sep 28, 2026 | 2.97 | 2.97 | 2.89 | 2.91 | 41.80K |
| Sep 25, 2026 | 2.94 | 3.00 | 2.92 | 2.98 | 108.40K |
| Sep 24, 2026 | 2.92 | 2.96 | 2.80 | 2.94 | 93.30K |
| Sep 23, 2026 | 3.02 | 3.02 | 2.92 | 2.92 | 98.80K |
| Sep 22, 2026 | 3.13 | 3.17 | 3.01 | 3.01 | 107.70K |
About Mammoth Energy Services
Mammoth Energy Services (TUSK) is listed on the Nasdaq and classified by the SEC under “Oil & Gas Field Services, NEC”. Its business address is in OKLAHOMA CITY, OK. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1679268.
TUSK board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Arthur H Amron | Director | Jun 22, 2026 |
| Holdings Llc Amron | Director | Jun 22, 2026 |
| Charles E Davidson | Chief Business Officer | Jun 22, 2026 |
| Joseph Jacobs | Chief Business Officer | Jun 22, 2026 |
| Paul M. Jacobi | Chief Business Officer | Jun 22, 2026 |
| Phillip Lancaster | Director | Jul 1, 2026 |
| Mark Lawrence Plaumann | Director | Sep 17, 2026 |
| Capital Lp Wexford | Chief Business Officer | Jun 22, 2026 |
| Gp Llc Wexford | Chief Business Officer | Jun 22, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Charles E Davidson | Chief Business Officer | Jun 22, 2026 |
| Joseph Jacobs | Chief Business Officer | Jun 22, 2026 |
| Paul M. Jacobi | Chief Business Officer | Jun 22, 2026 |
| Capital Lp Wexford | Chief Business Officer | Jun 22, 2026 |
| Gp Llc Wexford | Chief Business Officer | Jun 22, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 16, 2026 | Mark Lawrence Plaumann | Buy | 5,000 | $3.00 |
| Sep 16, 2026 | Mark Lawrence Plaumann | Buy | 5,000 | $3.00 |
| Sep 16, 2026 | Mark Lawrence Plaumann | Buy | 5,000 | $3.00 |
| Sep 16, 2026 | Mark Lawrence Plaumann | Buy | 5,000 | $3.00 |
| Jun 17, 2026 | Gp Llc Wexford | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Gp Llc Wexford | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Joseph Jacobs | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Joseph Jacobs | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Charles E Davidson | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Charles E Davidson | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Capital Lp Wexford | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Capital Lp Wexford | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Gp Llc Wexford | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Gp Llc Wexford | Buy | 4,019,574 | $2.60 |
| Jun 17, 2026 | Joseph Jacobs | Buy | 4,019,574 | $2.60 |
TUSK financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $44.29M | $4.60M | 0.10 | $-18.57M |
| Dec 31, 2024 | $45.60M | $-207.33M | -4.31 | $180.72M |
| Dec 31, 2023 | $309.49M | $-3.16M | -0.07 | $31.39M |
| Dec 31, 2022 | $362.09M | $-619.00K | -0.01 | $15.27M |
| Dec 31, 2021 | — | $-101.43M | -2.18 | $-18.86M |
Latest balance sheet: total assets $345.96M, total liabilities $83.57M, cash $50.87M (as of Jun 30, 2026).
TUSK earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 7, 2026 | 8-K Item 2.02 (results) | $3.39 |
| May 11, 2026 | 8-K Item 2.02 (results) | $2.91 |
| Mar 6, 2026 | 8-K Item 2.02 (results) | $2.12 |
| Oct 31, 2025 | 8-K Item 2.02 (results) | $2.04 |
| Aug 8, 2025 | 8-K Item 2.02 (results) | $2.34 |
| May 7, 2025 | 8-K Item 2.02 (results) | $2.51 |
| Mar 7, 2025 | 8-K Item 2.02 (results) | $1.97 |
| Nov 1, 2024 | 8-K Item 2.02 (results) | $3.67 |
| Aug 9, 2024 | 8-K Item 2.02 (results) | — |
| May 2, 2024 | 8-K Item 2.02 (results) | — |
| Mar 1, 2024 | 8-K Item 2.02 (results) | — |
| Nov 9, 2023 | 8-K Item 2.02 (results) | — |
Related stocks · Oil & Gas Field Services, NEC
Slb (SLB)Halliburton (HAL)Liberty Energy (LBRT)National Energy Services Reunited (NESR)Select Water Solutions (WTTR)ProPetro (PUMP)Oceaneering International (OII)Hornbeck Offshore Services (HOS)WaterBridge Infrastructure (WBI)Expro (XPRO)
Popular today
Spdr S&P 500 Etf (SPY)Micron Technology (MU)Nvidia (NVDA)Meta Platforms (META)Sandisk (SNDK)Space Exploration Technologies (SPCX)Tesla (TSLA)Apple (AAPL)AMD (AMD)Microsoft (MSFT)Intel (INTC)Amazon (AMZN)
More on TUSK
Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 19, 2026, 4:00 PM ET. Filings: SEC EDGAR. Refreshed every 2 hours during US market hours.