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 |
|---|---|---|---|
| S-3 | Shelf registration | Jun 13, 2024 | — |
| S-8 | Employee stock plan registration | Jun 12, 2024 | — |
| S-3 | Shelf registration | Jun 21, 2021 | — |
| 424B5 | Prospectus supplement | Jun 28, 2018 | — |
| 424B5 | Prospectus supplement | Jun 26, 2018 | — |
| S-3/A | Form s-3 (amend. no. 1) | Jun 6, 2018 | — |
| S-3 | Shelf registration | Nov 1, 2017 | — |
| S-8 | Employee stock plan registration | Apr 18, 2017 | — |
| 424B4 | Prospectus | Oct 17, 2016 | — |
| S-1/A | Amended registration statement | Oct 3, 2016 | — |
| S-1/A | Amended registration statement | Sep 23, 2016 | — |
| S-1 | Registration statement | Sep 2, 2016 | — |
Showing 12 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.