Mammoth Energy Services, Inc. SEC filings TUSK
Mammoth Energy Services, Inc. has 369 filings in SEC EDGAR's recent list, going back to Jul 18, 2016. Its latest annual report, Form ARS, was filed on May 15, 2026 for the period ended May 15, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (material agreement, new debt, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Jun 26, 2024 | — |
| CORRESP | Letter to the SEC | Jun 24, 2024 | — |
| UPLOAD | Letter from the SEC | Jun 21, 2024 | — |
| EFFECT | Filing | Jul 12, 2021 | — |
| CORRESP | Letter to the SEC | Jul 8, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 25, 2021 | — |
| CT ORDER | Filing | Nov 13, 2018 | — |
| CT ORDER | Filing | Oct 25, 2018 | — |
| EFFECT | Filing | Jun 19, 2018 | — |
| CORRESP | Letter to the SEC | Jun 15, 2018 | — |
| UPLOAD | Letter from the SEC | May 29, 2018 | — |
| CORRESP | Letter to the SEC | May 4, 2018 | — |
| UPLOAD | Letter from the SEC | Apr 24, 2018 | — |
| CORRESP | Letter to the SEC | Apr 10, 2018 | — |
| UPLOAD | Letter from the SEC | Apr 4, 2018 | — |
| CORRESP | Letter to the SEC | Feb 6, 2018 | — |
| CORRESP | Letter to the SEC | Jan 24, 2018 | — |
| CORRESP | Letter to the SEC | Jan 17, 2018 | — |
| UPLOAD | Letter from the SEC | Jan 3, 2018 | — |
| CORRESP | Letter to the SEC | Dec 12, 2017 | — |
| UPLOAD | Letter from the SEC | Dec 4, 2017 | — |
| DEFM14C | Filing | May 15, 2017 | — |
| PREM14C | Filing | May 3, 2017 | May 3, 2017 |
| CT ORDER | Filing | Oct 14, 2016 | — |
| EFFECT | Filing | Oct 13, 2016 | — |
| CERTNAS | Auto-generated paper document | Oct 13, 2016 | — |
| 8-A12B | Form 8-a | Oct 13, 2016 | — |
| CORRESP | Letter to the SEC | Oct 13, 2016 | — |
| CORRESP | Letter to the SEC | Oct 11, 2016 | — |
| CORRESP | Letter to the SEC | Oct 3, 2016 | — |
| CORRESP | Letter to the SEC | Sep 30, 2016 | — |
| CORRESP | Letter to the SEC | Sep 22, 2016 | — |
| UPLOAD | Letter from the SEC | Sep 19, 2016 | — |
| CORRESP | Letter to the SEC | Sep 2, 2016 | — |
| UPLOAD | Letter from the SEC | Aug 11, 2016 | — |
| DRS | Filing | Jul 18, 2016 | — |
Showing 36 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Oil & Gas Field Services, NEC (SIC 1389)
- Listed as
- TUSK (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Oklahoma City, OK
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1679268
Other Oil & Gas Field Services, NEC companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.