MAMMOTH ENERGY SERVICES, INC. — All Filings
347 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
3
4
424B4
424B5
5
8-A12B
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ARS
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFM14C
DRS
EFFECT
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S-8
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SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | JCM CLOSEOUT LETTER BECAUSE JCM MERGED WITH JANUS HENDERSON GROUP PLC | 0000812295-18-000043 | Feb 13, 2018 | — |
| CORRESP | — | 0001193125-18-033624 | Feb 6, 2018 | — |
| 4 | FORM 4 SUBMISSION | 0000899243-18-002992 | Feb 6, 2018 | Feb 2, 2018 |
| 4 | FORM 4 SUBMISSION | 0000899243-18-002989 | Feb 6, 2018 | Feb 2, 2018 |
| 4 | FORM 4 SUBMISSION | 0000899243-18-002987 | Feb 6, 2018 | Feb 2, 2018 |
| 4 | FORM 4 SUBMISSION | 0000899243-18-002986 | Feb 6, 2018 | Feb 2, 2018 |
| 4 | FORM 4 | 0001140361-18-005391 | Feb 6, 2018 | Feb 2, 2018 |
| 8-K | 8-K | 0001193125-18-027389 | Jan 31, 2018 | Jan 28, 2018 |
| CORRESP | — | 0001679268-18-000005 | Jan 24, 2018 | — |
| CORRESP | — | 0001679268-18-000002 | Jan 17, 2018 | — |
| UPLOAD | — | 0000000000-18-000193 | Jan 3, 2018 | — |
| CORRESP | — | 0001193125-17-367589 | Dec 12, 2017 | — |
| UPLOAD | — | 0000000000-17-042316 | Dec 4, 2017 | — |
| 4 | FORM 4 SUBMISSION | 0000899243-17-026660 | Nov 16, 2017 | Nov 14, 2017 |
| 4 | FORM 4 SUBMISSION | 0000899243-17-026659 | Nov 16, 2017 | Nov 14, 2017 |
| 10-Q | 10-Q | 0001679268-17-000061 | Nov 14, 2017 | Sep 30, 2017 |
| 8-K | 8-K | 0001679268-17-000059 | Nov 2, 2017 | — |
| S-3 | FORM S-3 | 0001193125-17-329453 | Nov 1, 2017 | — |
| 8-K | 8-K | 0001679268-17-000056 | Oct 27, 2017 | Oct 26, 2017 |
| 8-K | 8-K | 0001679268-17-000055 | Oct 27, 2017 | Oct 26, 2017 |
| 4 | FORM 4 SUBMISSION | 0000899243-17-021102 | Aug 28, 2017 | Aug 24, 2017 |
| 10-Q | 10-Q | 0001679268-17-000050 | Aug 4, 2017 | Jun 30, 2017 |
| 8-K | 8-K | 0001679268-17-000048 | Aug 3, 2017 | — |
| 8-K/A | 8-K/A | 0001679268-17-000046 | Aug 2, 2017 | — |
| 8-K | 8-K | 0001679268-17-000044 | Aug 2, 2017 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-17-018015 | Jul 6, 2017 | Jun 26, 2017 |
| 8-K | 8-K | 0001679268-17-000041 | Jun 27, 2017 | — |
| 4 | FORM 4 | 0001140361-17-025875 | Jun 22, 2017 | Jun 8, 2017 |
| 4 | FORM 4 SUBMISSION | 0000899243-17-016254 | Jun 13, 2017 | Jun 9, 2017 |
| 8-K | 8-K | 0001679268-17-000039 | Jun 12, 2017 | — |
| 8-K | 8-K | 0001679268-17-000035 | Jun 9, 2017 | — |
| 8-K | 8-K | 0001679268-17-000033 | May 31, 2017 | — |
| 10-Q | 10-Q | 0001679268-17-000031 | May 15, 2017 | Mar 31, 2017 |
| DEFM14C | DEFM14C | 0001679268-17-000029 | May 15, 2017 | — |
| 8-K | 8-K | 0001679268-17-000026 | May 4, 2017 | May 3, 2017 |
| PREM14C | PREM14C | 0001679268-17-000024 | May 3, 2017 | — |
| DEFA14A | DEFA14A | 0001679268-17-000017 | Apr 28, 2017 | — |
| DEF 14A | DEF 14A | 0001679268-17-000015 | Apr 28, 2017 | — |
| S-8 | S-8 | 0001679268-17-000013 | Apr 18, 2017 | — |
| 8-K | FORM 8-K | 0001679268-17-000011 | Mar 29, 2017 | — |
| 8-K | FORM 8-K | 0001679268-17-000009 | Mar 24, 2017 | — |
| 4 | FORM 4 SUBMISSION | 0000899243-17-006146 | Mar 2, 2017 | Feb 28, 2017 |
| 10-K | 10-K | 0001679268-17-000006 | Feb 24, 2017 | Dec 31, 2016 |
| 4 | FORM 4 SUBMISSION | 0000899243-17-005110 | Feb 23, 2017 | Feb 21, 2017 |
| 8-K | FORM 8-K | 0001679268-17-000004 | Feb 23, 2017 | — |
| SC 13G | SC 13G TUSK 12.31.17 | 0000812295-17-000101 | Feb 13, 2017 | — |
| SC 13G | WEXFORD CAPITAL SC13G 02-08-2017 | 0001048462-17-000006 | Feb 8, 2017 | — |
| 4 | FORM 4 SUBMISSION | 0000899243-17-001043 | Jan 10, 2017 | Jan 9, 2017 |
| 3 | FORM 3 SUBMISSION | 0000899243-17-001039 | Jan 10, 2017 | Jan 9, 2017 |
| 8-K | FORM 8-K | 0001679268-17-000002 | Jan 10, 2017 | Jan 4, 2017 |