Mammoth Energy Services, Inc.
TUSKNasdaqCIK 1679268EnergyFiscal year ends Dec 31
Reports and events: 157 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-3016:50 ET | 10-Q | Quarterly reportPeriod 2026-09-30 | 0001628280-26-068605 |
| 2026-10-3008:09 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-068445 |
| 2026-10-3007:56 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-068441 |
| 2026-08-0716:01 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001628280-26-054813 |
| 2026-08-0708:01 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-054588 |
| 2026-06-2616:08 ET | 8-K | 5.07 Shareholder vote results | 0001628280-26-045745 |
| 2026-05-1516:15 ET | DEF 14A | Proxy statementPeriod 2025-12-31 | 0001628280-26-035580 |
| 2026-05-1508:29 ET | 8-K | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001628280-26-035328 |
| 2026-05-1117:30 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001628280-26-033686 |
| 2026-05-1108:00 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-033142 |
| 2026-03-0617:13 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001628280-26-015693 |
| 2026-03-0608:21 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-015465 |
| 2025-12-0416:08 ET | 8-K | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-25-000046 |
| 2025-11-0319:35 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001679268-25-000039 |
| 2025-10-3108:17 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001679268-25-000036 |
| 2025-08-0816:05 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001628280-25-039262 |
| 2025-08-0808:09 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-039122 |
| 2025-07-0308:57 ET | 8-K | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001628280-25-034133 |
| 2025-06-3016:26 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001628280-25-033509 |
| 2025-06-2016:30 ET | 8-K | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.06 Material impairments; 9.01 Financial statements and exhibits | 0001628280-25-032406 |
| 2025-06-1216:28 ET | 8-K | 5.07 Shareholder vote results | 0001628280-25-031000 |
| 2025-06-0516:19 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001628280-25-029661 |
| 2025-05-0716:02 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001628280-25-023134 |
| 2025-05-0708:20 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-25-022883 |
| 2025-04-2816:28 ET | DEF 14A | Proxy statementPeriod 2024-12-31 | 0001679268-25-000021 |
| 2025-04-1716:07 ET | 8-K | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-25-000015 |
| 2025-03-1216:04 ET | 8-K | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001679268-25-000012 |
| 2025-03-0716:48 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001679268-25-000009 |
| 2025-03-0708:59 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-25-000005 |
| 2025-02-1316:51 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001679268-25-000003 |
| 2024-11-0708:13 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000080 |
| 2024-11-0116:04 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001679268-24-000077 |
| 2024-11-0108:47 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000074 |
| 2024-10-2108:41 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000071 |
| 2024-10-0308:34 ET | 8-K | 1.02 Termination of a material agreement; 2.04 Item not in the standard list; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000069 |
| 2024-08-0916:04 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0001679268-24-000066 |
| 2024-08-0908:49 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000061 |
| 2024-07-2308:11 ET | 8-K | 1.01 Entry into a material agreement; 2.04 Item not in the standard list; 2.06 Material impairments | 0001679268-24-000057 |
| 2024-06-1416:17 ET | 8-K | 5.07 Shareholder vote results | 0001679268-24-000040 |
| 2024-05-0216:23 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0001679268-24-000026 |
| 2024-05-0208:52 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000023 |
| 2024-04-2916:35 ET | DEF 14A | Proxy statementPeriod 2023-12-31 | 0001679268-24-000017 |
| 2024-03-0116:05 ET | 10-K | Annual reportPeriod 2023-12-31 | 0001679268-24-000007 |
| 2024-03-0109:04 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000003 |
| 2023-12-0608:35 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation | 0001679268-23-000063 |
| 2023-11-0916:58 ET | 10-Q | Quarterly reportPeriod 2023-09-30 | 0001679268-23-000060 |
| 2023-11-0909:05 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-23-000057 |
| 2023-10-1908:09 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001679268-23-000053 |
| 2023-08-1116:08 ET | 10-Q | Quarterly reportPeriod 2023-06-30 | 0001679268-23-000049 |
| 2023-08-1108:56 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-23-000045 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 17:00 ET. Listed shows no prices and gives no investment advice.