Mammoth Energy Services, Inc. (TUSK)
Nasdaq: TUSK · Oil & Gas Field Services, NEC · Oklahoma City, OK · filing with the SEC since 2016
Grade3.9
◀ Past 1.3● Present 4.0▶ Future 6.3
Filings
219 filings since 2017 beside 111 insider forms · Accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026Due nextAccelerated filer and smaller reporting company
10-K
Annual report for the fiscal year ending Dec 31, 2026Accelerated filers have 75 days after the fiscal year ends.
by Mar 16, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by May 10, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 30 days after the quarter ended. The proxy statement was last filed May 15, 2026.
Filings a yearinsider forms included
2932292527392624
2026 counts to Nov 13, 2026.
Auditor change (8-K item 4.01): 2 times in the last 36 months, the newest May 15, 2026.Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Jul 3, 2025.Debt trigger or default notice (8-K item 2.04): 2 times in the last 36 months, the newest Oct 3, 2024.SEC letters: 2 in the last 36 months, the newest Jun 24, 2024.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Oct 30, 2026
8-K items 1.01, 2.03, 7.01, 9.01
Major agreement signed; New debt or obligation taken on; Investor disclosure (Regulation FD) · Current report
Oct 26, 2026
Oct 30, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Aug 7, 2026
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Dec 4, 2025
8-K items 1.01, 2.01, 7.01, 9.01
Major agreement signed; Purchase or sale of a business completed; Investor disclosure (Regulation FD) · Current report
Dec 2, 2025
Jul 3, 2025
8-K items 1.01, 5.02, 9.01
Major agreement signed; Officer or director change · Current report
Jun 30, 2025
Jun 20, 2025
8-K items 1.01, 2.01, 2.06, 9.01
Major agreement signed; Purchase or sale of a business completed; Write-down of assets · Current report
Jun 16, 2025
May 7, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Apr 17, 2025
8-K items 1.01, 2.01, 5.02, 7.01, 9.01
Major agreement signed; Purchase or sale of a business completed; Officer or director change; Investor disclosure (Regulation FD) · Current report
Apr 11, 2025
Mar 7, 2025
8-K items 2.02, 7.01, 9.01
Results released; Investor disclosure (Regulation FD) · Current report
Nov 7, 2024
8-K items 5.02, 7.01, 9.01
Officer or director change; Investor disclosure (Regulation FD) · Current report
Nov 6, 2024
40 of 219 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.