# Mammoth Energy Services, Inc.: filings

TUSK · Nasdaq · CIK 1679268 · [Energy](/sectors/energy.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/tusk.md) · [Financials](/companies/tusk/financials.md) · [Filings](/companies/tusk/filings.md) · [Insiders](/companies/tusk/insiders.md)

## Reports and events: 157 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 103, 8-K 101, 10-Q 31, 3 16, CORRESP 15, SC 13G/A 13, 10-K 10, DEF 14A 10, DEFA14A 10, UPLOAD 9, SC 13G 5, 144 4, ARS 4, EFFECT 4, CT ORDER 3, S-3 3, 424B5 2, S-1/A 2, S-8 2, SCHEDULE 13G/A 2, 424B4 1, 5 1, 8-A12B 1, 8-K/A 1, CERTNAS 1, DEFM14C 1, DRS 1, PREM14C 1, S-1 1, S-3/A 1, SC 13D 1, SCHEDULE 13G 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-30 | 16:50 ET | [10-Q](/filings/0001628280-26-068605.md) | Quarterly report, period 2026-09-30 | 0001628280-26-068605 |
| 2026-10-30 | 08:09 ET | [8-K](/filings/0001628280-26-068445.md) | 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 |
| 2026-10-30 | 07:56 ET | [8-K](/filings/0001628280-26-068441.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-068441 |
| 2026-08-07 | 16:01 ET | [10-Q](/filings/0001628280-26-054813.md) | Quarterly report, period 2026-06-30 | 0001628280-26-054813 |
| 2026-08-07 | 08:01 ET | [8-K](/filings/0001628280-26-054588.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-26-054588 |
| 2026-06-26 | 16:08 ET | [8-K](/filings/0001628280-26-045745.md) | 5.07 Shareholder vote results | 0001628280-26-045745 |
| 2026-05-15 | 16:15 ET | [DEF 14A](/filings/0001628280-26-035580.md) | Proxy statement, period 2025-12-31 | 0001628280-26-035580 |
| 2026-05-15 | 08:29 ET | [8-K](/filings/0001628280-26-035328.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001628280-26-035328 |
| 2026-05-11 | 17:30 ET | [10-Q](/filings/0001628280-26-033686.md) | Quarterly report, period 2026-03-31 | 0001628280-26-033686 |
| 2026-05-11 | 08:00 ET | [8-K](/filings/0001628280-26-033142.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-033142 |
| 2026-03-06 | 17:13 ET | [10-K](/filings/0001628280-26-015693.md) | Annual report, period 2025-12-31 | 0001628280-26-015693 |
| 2026-03-06 | 08:21 ET | [8-K](/filings/0001628280-26-015465.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-26-015465 |
| 2025-12-04 | 16:08 ET | [8-K](/filings/0001679268-25-000046.md) | 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 |
| 2025-11-03 | 19:35 ET | [10-Q](/filings/0001679268-25-000039.md) | Quarterly report, period 2025-09-30 | 0001679268-25-000039 |
| 2025-10-31 | 08:17 ET | [8-K](/filings/0001679268-25-000036.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001679268-25-000036 |
| 2025-08-08 | 16:05 ET | [10-Q](/filings/0001628280-25-039262.md) | Quarterly report, period 2025-06-30 | 0001628280-25-039262 |
| 2025-08-08 | 08:09 ET | [8-K](/filings/0001628280-25-039122.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-039122 |
| 2025-07-03 | 08:57 ET | [8-K](/filings/0001628280-25-034133.md) | 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 |
| 2025-06-30 | 16:26 ET | [8-K](/filings/0001628280-25-033509.md) | 5.02 Departure or appointment of officers or directors | 0001628280-25-033509 |
| 2025-06-20 | 16:30 ET | [8-K](/filings/0001628280-25-032406.md) | 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 |
| 2025-06-12 | 16:28 ET | [8-K](/filings/0001628280-25-031000.md) | 5.07 Shareholder vote results | 0001628280-25-031000 |
| 2025-06-05 | 16:19 ET | [8-K](/filings/0001628280-25-029661.md) | 5.02 Departure or appointment of officers or directors | 0001628280-25-029661 |
| 2025-05-07 | 16:02 ET | [10-Q](/filings/0001628280-25-023134.md) | Quarterly report, period 2025-03-31 | 0001628280-25-023134 |
| 2025-05-07 | 08:20 ET | [8-K](/filings/0001628280-25-022883.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001628280-25-022883 |
| 2025-04-28 | 16:28 ET | [DEF 14A](/filings/0001679268-25-000021.md) | Proxy statement, period 2024-12-31 | 0001679268-25-000021 |
| 2025-04-17 | 16:07 ET | [8-K](/filings/0001679268-25-000015.md) | 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 |
| 2025-03-12 | 16:04 ET | [8-K](/filings/0001679268-25-000012.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001679268-25-000012 |
| 2025-03-07 | 16:48 ET | [10-K](/filings/0001679268-25-000009.md) | Annual report, period 2024-12-31 | 0001679268-25-000009 |
| 2025-03-07 | 08:59 ET | [8-K](/filings/0001679268-25-000005.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-25-000005 |
| 2025-02-13 | 16:51 ET | [8-K](/filings/0001679268-25-000003.md) | 5.02 Departure or appointment of officers or directors | 0001679268-25-000003 |
| 2024-11-07 | 08:13 ET | [8-K](/filings/0001679268-24-000080.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000080 |
| 2024-11-01 | 16:04 ET | [10-Q](/filings/0001679268-24-000077.md) | Quarterly report, period 2024-09-30 | 0001679268-24-000077 |
| 2024-11-01 | 08:47 ET | [8-K](/filings/0001679268-24-000074.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000074 |
| 2024-10-21 | 08:41 ET | [8-K](/filings/0001679268-24-000071.md) | 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 |
| 2024-10-03 | 08:34 ET | [8-K](/filings/0001679268-24-000069.md) | 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 |
| 2024-08-09 | 16:04 ET | [10-Q](/filings/0001679268-24-000066.md) | Quarterly report, period 2024-06-30 | 0001679268-24-000066 |
| 2024-08-09 | 08:49 ET | [8-K](/filings/0001679268-24-000061.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000061 |
| 2024-07-23 | 08:11 ET | [8-K](/filings/0001679268-24-000057.md) | 1.01 Entry into a material agreement; 2.04 Item not in the standard list; 2.06 Material impairments | 0001679268-24-000057 |
| 2024-06-14 | 16:17 ET | [8-K](/filings/0001679268-24-000040.md) | 5.07 Shareholder vote results | 0001679268-24-000040 |
| 2024-05-02 | 16:23 ET | [10-Q](/filings/0001679268-24-000026.md) | Quarterly report, period 2024-03-31 | 0001679268-24-000026 |
| 2024-05-02 | 08:52 ET | [8-K](/filings/0001679268-24-000023.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000023 |
| 2024-04-29 | 16:35 ET | [DEF 14A](/filings/0001679268-24-000017.md) | Proxy statement, period 2023-12-31 | 0001679268-24-000017 |
| 2024-03-01 | 16:05 ET | [10-K](/filings/0001679268-24-000007.md) | Annual report, period 2023-12-31 | 0001679268-24-000007 |
| 2024-03-01 | 09:04 ET | [8-K](/filings/0001679268-24-000003.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-24-000003 |
| 2023-12-06 | 08:35 ET | [8-K](/filings/0001679268-23-000063.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation | 0001679268-23-000063 |
| 2023-11-09 | 16:58 ET | [10-Q](/filings/0001679268-23-000060.md) | Quarterly report, period 2023-09-30 | 0001679268-23-000060 |
| 2023-11-09 | 09:05 ET | [8-K](/filings/0001679268-23-000057.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-23-000057 |
| 2023-10-19 | 08:09 ET | [8-K](/filings/0001679268-23-000053.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001679268-23-000053 |
| 2023-08-11 | 16:08 ET | [10-Q](/filings/0001679268-23-000049.md) | Quarterly report, period 2023-06-30 | 0001679268-23-000049 |
| 2023-08-11 | 08:56 ET | [8-K](/filings/0001679268-23-000045.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001679268-23-000045 |

Page 1 of 4. [Older](/companies/tusk/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 17:00 ET. No prices; not investment advice.
