MAMMOTH ENERGY SERVICES, INC. reports

Company location: Oklahoma City, OK
Fiscal year end: 31 December

MAMMOTH ENERGY SERVICES, INC. has filed 363 SEC EDGAR filings since 18 Jul 2016

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SEC filing history

Showing 251-275 of 363 matching filings.

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FORM 4 SUBMISSION

Filing date: 11 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 11 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 11 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 11 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 filing

Filing date: 11 Jun 2018
Reporting date: 07 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3/A File 333-221268

FORM S-3 (AMEND. NO. 1)

Filing date: 06 Jun 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-37917

8-K

Filing date: 31 May 2018
Reporting date: 26 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 29 May 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 04 May 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-37917

10-Q

Filing date: 04 May 2018
Reporting date: 31 Mar 2018
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-37917

8-K

Filing date: 02 May 2018
Reporting date: 02 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-37917

DEFA14A

Filing date: 25 Apr 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-37917

DEF 14A

Filing date: 25 Apr 2018
Reporting date: 25 Apr 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 24 Apr 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 10 Apr 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD

UPLOAD filing

Filing date: 04 Apr 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 4 SUBMISSION

Filing date: 07 Mar 2018
Reporting date: 01 Mar 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-37917

10-K

Filing date: 28 Feb 2018
Reporting date: 31 Dec 2017
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-37917

8-K

Filing date: 22 Feb 2018
Reporting date: 21 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

FORM 5 SUBMISSION

Filing date: 14 Feb 2018
Reporting date: 05 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13D File 005-89809

SCHEDULE 13D

Filing date: 14 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-89809

WEXFORD CAPITAL SC 13G A1 02-13-2018

Filing date: 14 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-89809

RE-FILING UNDER NEW JANUS HENDERSON GROUP PLC POST MERGER

Filing date: 13 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-89809

JCM CLOSEOUT LETTER BECAUSE JCM MERGED WITH JANUS HENDERSON GROUP PLC

Filing date: 13 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 06 Feb 2018
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing