MAMMOTH ENERGY SERVICES, INC. SEC EDGAR Filings (CIK 0001679268)

SEC EDGAR filings, ownership reports, and insider transactions for MAMMOTH ENERGY SERVICES, INC..

Symbol
TUSK on Nasdaq
Industry
Oil & Gas Field Services, Nec (Office Of Energy & Transportation)
Business address
14201 Caliber Drive, Suite 300, Oklahoma City, OK, 73134
State of incorporation
DE
Fiscal year end
31 December
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MAMMOTH ENERGY SERVICES, INC. has filed 345 SEC EDGAR filings since 18 Jul 2016

Latest Filings

Recent SEC filings for MAMMOTH ENERGY SERVICES, INC. including 4, 8-K, 10-Q and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2025 11 Dec 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Dec 2025 02 Dec 2025 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2025 30 Sep 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Oct 2025 31 Oct 2025 001-37917
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-89809
144 Open 144 document View SEC filing for 144 12 Aug 2025 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2025 30 Jun 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2025 08 Aug 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Jul 2025 30 Jun 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jun 2025 24 Jun 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jun 2025 16 Jun 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jun 2025 11 Jun 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Jun 2025 30 May 2025 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 27 May 2025 22 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 May 2025 19 May 2025
144 Open 144 document View SEC filing for 144 12 May 2025 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 May 2025 31 Mar 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2025 07 May 2025 001-37917
ARS Open ARS document View SEC filing for ARS ARS 28 Apr 2025 28 Apr 2025 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Apr 2025 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 28 Apr 2025 31 Dec 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Apr 2025 11 Apr 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Mar 2025 07 Mar 2025 001-37917
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 07 Mar 2025 31 Dec 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Mar 2025 07 Mar 2025 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Feb 2025 10 Feb 2025 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 16 Dec 2024 12 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 26 Nov 2024 22 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2024 20 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 15 Nov 2024 13 Nov 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Nov 2024 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2024 07 Nov 2024
144 Open 144 document View SEC filing for 144 07 Nov 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2024 06 Nov 2024 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Nov 2024 30 Sep 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Nov 2024 01 Nov 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Oct 2024 16 Oct 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Oct 2024 01 Oct 2024 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2024 30 Jun 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Aug 2024 09 Aug 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Jul 2024 22 Jul 2024 001-37917
EFFECT Open EFFECT document View SEC filing for EFFECT 26 Jun 2024 333-280186
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Jun 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Jun 2024 333-280186
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2024 12 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2024 12 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2024 12 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2024 12 Jun 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2024 12 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jun 2024 12 Jun 2024 001-37917
S-3 Open S-3 document View SEC filing for S-3 S-3 13 Jun 2024 333-280186
S-8 Open S-8 document View SEC filing for S-8 S-8 12 Jun 2024 333-280146
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2024 28 May 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 May 2024 31 Mar 2024 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2024 02 May 2024 001-37917
ARS Open ARS document View SEC filing for ARS ARS 29 Apr 2024 29 Apr 2024 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 29 Apr 2024 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 29 Apr 2024 31 Dec 2023 001-37917
4 Open 4 document View SEC filing for 4 14 Mar 2024 12 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 12 Mar 2024
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2024 31 Dec 2023 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Mar 2024 01 Mar 2024 001-37917
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2024 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL 13GA7 02-09-2024 09 Feb 2024 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MAMMOTH ENERGY SERVICES, INC. 07 Feb 2024 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 19 Dec 2023 18 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2023 13 Dec 2023
144 Open 144 document View SEC filing for 144 13 Dec 2023 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Dec 2023 01 Dec 2023 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2023 30 Sep 2023 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Nov 2023 09 Nov 2023 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Oct 2023 16 Oct 2023 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2023 30 Jun 2023 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Aug 2023 11 Aug 2023 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2023 07 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2023 07 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2023 07 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2023 07 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2023 07 Jun 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jun 2023 07 Jun 2023 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 May 2023 31 Mar 2023 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Apr 2023 27 Apr 2023 001-37917
ARS Open ARS document View SEC filing for ARS ARS 25 Apr 2023 25 Apr 2023 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Apr 2023 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 25 Apr 2023 31 Dec 2022 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2023 03 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2023 03 Mar 2023
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Feb 2023 31 Dec 2022 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Feb 2023 23 Feb 2023 001-37917
SC 13G Open SC 13G document View SEC filing for SC 13G 10 Feb 2023 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A MAMMOTH ENERGY SERVICES, INC. 09 Feb 2023 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL 13GA6 02-01-2023 01 Feb 2023 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2022 11 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Oct 2022 30 Sep 2022 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2022 27 Oct 2022 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Aug 2022 30 Jun 2022 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Jul 2022 28 Jul 2022 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 30 Jun 2022 29 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 30 Jun 2022 29 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 30 Jun 2022 29 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 30 Jun 2022 29 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 30 Jun 2022 29 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jun 2022 29 Jun 2022 001-37917
4 Open 4 document View SEC filing for 4 21 Jun 2022 16 Jun 2022
4 Open 4 document View SEC filing for 4 15 Jun 2022 13 Jun 2022
4 Open 4 document View SEC filing for 4 10 Jun 2022 08 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 May 2022 24 May 2022 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2022 31 Mar 2022 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2022 09 May 2022 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 02 May 2022 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 02 May 2022 31 Dec 2021 001-37917
SC 13G Open SC 13G document View SEC filing for SC 13G MAMMOTH ENERGY SERVICES, INC. 21 Apr 2022 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2022 10 Mar 2022
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 04 Mar 2022 31 Dec 2021 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Mar 2022 04 Mar 2022 001-37917
5 Open 5 document View SEC filing for 5 FORM 5 14 Feb 2022 31 Dec 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL 13GA5 02-09-2022 09 Feb 2022 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 14 Dec 2021 13 Dec 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Nov 2021 30 Sep 2021 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2021 05 Nov 2021 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Nov 2021 28 Oct 2021 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Sep 2021 21 Sep 2021 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2021 30 Jun 2021 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jul 2021 30 Jul 2021 001-37917
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Jul 2021 333-257186
3 Open 3 document View SEC filing for 3 FORM 3 12 Jul 2021 30 Jun 2021
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 12 Jul 2021 005-89809
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Jul 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 25 Jun 2021
S-3 Open S-3 document View SEC filing for S-3 S-3 21 Jun 2021 333-257186
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Jun 2021 08 Jun 2021 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2021 02 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2021 02 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2021 02 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2021 02 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 04 Jun 2021 02 Jun 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jun 2021 02 Jun 2021 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2021 31 Mar 2021 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Apr 2021 29 Apr 2021 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 20 Apr 2021 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 20 Apr 2021 31 Dec 2020 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2021 11 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2021 09 Mar 2021
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 01 Mar 2021 31 Dec 2020 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Feb 2021 25 Feb 2021 001-37917
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL 13GA4 02-05-2021 05 Feb 2021 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2020 10 Nov 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Oct 2020 30 Sep 2020 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2020 29 Oct 2020 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 08 Sep 2020 04 Sep 2020
4 Open 4 document View SEC filing for 4 FORM 4 19 Aug 2020 17 Aug 2020
3 Open 3 document View SEC filing for 3 FORM 3 19 Aug 2020 17 Aug 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Aug 2020 17 Aug 2020 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Aug 2020 06 Aug 2020 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Jul 2020 30 Jun 2020 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jul 2020 30 Jul 2020 001-37917
4 Open 4 document View SEC filing for 4 07 Jul 2020 02 Jul 2020
4 Open 4 document View SEC filing for 4 07 Jul 2020 02 Jul 2020
3 Open 3 document View SEC filing for 3 07 Jul 2020 02 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2020 02 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2020 02 Jul 2020
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jul 2020 02 Jul 2020 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 16 Jun 2020 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 10 Jun 2020 31 Dec 2019 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Jun 2020 09 Jun 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Jun 2020 09 Jun 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 22 May 2020 18 May 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 14 May 2020 08 May 2020 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2020 31 Mar 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 11 May 2020 11 May 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Apr 2020 29 Apr 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Apr 2020 17 Apr 2020 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 17 Apr 2020 14 Apr 2020 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2020 03 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2020 03 Mar 2020
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 02 Mar 2020 31 Dec 2019 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 27 Feb 2020 27 Feb 2020 001-37917
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL 13GA3 02-14-2020 14 Feb 2020 005-89809
8-K Open 8-K document View SEC filing for 8-K 8-K 23 Dec 2019 18 Dec 2019 001-37917
4 Open 4 document View SEC filing for 4 22 Nov 2019 20 Nov 2019
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2019 21 Nov 2019
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2019 18 Nov 2019
3 Open 3 document View SEC filing for 3 FORM 3 20 Nov 2019 18 Nov 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Nov 2019 18 Nov 2019 001-37917
4 Open 4 document View SEC filing for 4 15 Nov 2019 13 Nov 2019
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Nov 2019 30 Sep 2019 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Nov 2019 07 Nov 2019 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2019 30 Jun 2019 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 01 Aug 2019 01 Aug 2019 001-37917
4 Open 4 document View SEC filing for 4 07 Jun 2019 05 Jun 2019
4 Open 4 document View SEC filing for 4 07 Jun 2019 05 Jun 2019
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2019 05 Jun 2019
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2019 05 Jun 2019
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2019 05 Jun 2019
4 Open 4 document View SEC filing for 4 FORM 4 07 Jun 2019 05 Jun 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Jun 2019 05 Jun 2019 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2019 31 Mar 2019 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 01 May 2019 01 May 2019 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 26 Apr 2019 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 26 Apr 2019 26 Apr 2019 001-37917
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 18 Mar 2019 31 Dec 2018 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 14 Mar 2019 14 Mar 2019 001-37917
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A JANUS HENDERSON GROUP PLC OWNS <5% NOW 11 Feb 2019 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL 13GA2 02-08-2018 11 Feb 2019 005-89809
4 Open 4 document View SEC filing for 4 29 Jan 2019 25 Jan 2019
3 Open 3 document View SEC filing for 3 29 Jan 2019 25 Jan 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jan 2019 25 Jan 2019 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Dec 2018 21 Dec 2018 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 06 Dec 2018 03 Dec 2018
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2018 08 Nov 2018
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2018 08 Nov 2018
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 13 Nov 2018 333-213504
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 02 Nov 2018 30 Sep 2018 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Oct 2018 31 Oct 2018 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Oct 2018 19 Oct 2018 001-37917
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 25 Oct 2018 333-213504
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Sep 2018 04 Sep 2018 001-37917
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 09 Aug 2018 30 Jul 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2018 30 Jun 2018 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Aug 2018 06 Aug 2018 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Aug 2018 30 Jul 2018
4 Open 4 document View SEC filing for 4 01 Aug 2018 30 Jul 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Jul 2018 09 Jul 2018 001-37917
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 09 Jul 2018 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jul 2018 29 Jun 2018
4 Open 4 document View SEC filing for 4 03 Jul 2018 29 Jun 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Jul 2018 26 Jun 2018 001-37917
424B5 Open 424B5 document View SEC filing for 424B5 424B5 28 Jun 2018 333-221268
424B5 Open 424B5 document View SEC filing for 424B5 424B5 26 Jun 2018 333-221268
EFFECT Open EFFECT document View SEC filing for EFFECT 19 Jun 2018 333-221268
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Jun 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Jun 2018 07 Jun 2018 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jun 2018 07 Jun 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jun 2018 07 Jun 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jun 2018 07 Jun 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jun 2018 07 Jun 2018
4 Open 4 document View SEC filing for 4 11 Jun 2018 07 Jun 2018
S-3/A Open S-3/A document View SEC filing for S-3/A FORM S-3 (AMEND. NO. 1) 06 Jun 2018 333-221268
8-K Open 8-K document View SEC filing for 8-K 8-K 31 May 2018 26 May 2018 001-37917
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 29 May 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 04 May 2018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 May 2018 31 Mar 2018 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 02 May 2018 02 May 2018 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 25 Apr 2018 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 25 Apr 2018 25 Apr 2018 001-37917
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Apr 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Apr 2018
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Apr 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Mar 2018 01 Mar 2018
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 28 Feb 2018 31 Dec 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Feb 2018 21 Feb 2018 001-37917
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 14 Feb 2018 05 Jun 2017
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2018 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A WEXFORD CAPITAL SC 13G A1 02-13-2018 14 Feb 2018 005-89809
SC 13G Open SC 13G document View SEC filing for SC 13G RE-FILING UNDER NEW JANUS HENDERSON GROUP PLC POST MERGER 13 Feb 2018 005-89809
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A JCM CLOSEOUT LETTER BECAUSE JCM MERGED WITH JANUS HENDERSON GROUP PLC 13 Feb 2018 005-89809
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Feb 2018 02 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Feb 2018 02 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Feb 2018 02 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Feb 2018 02 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2018 02 Feb 2018
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Jan 2018 28 Jan 2018 001-37917
CORRESP Open CORRESP document View SEC filing for CORRESP 24 Jan 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 17 Jan 2018
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 03 Jan 2018
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Dec 2017
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 04 Dec 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Nov 2017 14 Nov 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Nov 2017 14 Nov 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2017 30 Sep 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Nov 2017 02 Nov 2017 001-37917
S-3 Open S-3 document View SEC filing for S-3 FORM S-3 01 Nov 2017 333-221268
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2017 26 Oct 2017 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2017 26 Oct 2017 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Aug 2017 24 Aug 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Aug 2017 30 Jun 2017 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Aug 2017 03 Aug 2017 001-37917
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 02 Aug 2017 02 Aug 2017 001-37917
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Aug 2017 02 Aug 2017 001-37917
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Jul 2017 26 Jun 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 27 Jun 2017 27 Jun 2017 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 22 Jun 2017 08 Jun 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jun 2017 09 Jun 2017
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Jun 2017 12 Jun 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 09 Jun 2017 09 Jun 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 31 May 2017 31 May 2017 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2017 31 Mar 2017 001-37917
DEFM14C Open DEFM14C document View SEC filing for DEFM14C DEFM14C 15 May 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K 8-K 04 May 2017 03 May 2017 001-37917
PREM14C Open PREM14C document View SEC filing for PREM14C PREM14C 03 May 2017 03 May 2017 001-37917
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Apr 2017 001-37917
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 28 Apr 2017 28 Apr 2017 001-37917
S-8 Open S-8 document View SEC filing for S-8 S-8 18 Apr 2017 333-217361
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 29 Mar 2017 29 Mar 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 24 Mar 2017 24 Mar 2017 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2017 28 Feb 2017
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Feb 2017 31 Dec 2016 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Feb 2017 21 Feb 2017
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 23 Feb 2017 23 Feb 2017 001-37917
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2017 005-89809
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G TUSK 12.31.17 13 Feb 2017 005-89809
SC 13G Open SC 13G document View SEC filing for SC 13G WEXFORD CAPITAL SC13G 02-08-2017 08 Feb 2017 005-89809
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jan 2017 09 Jan 2017
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 10 Jan 2017 09 Jan 2017
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 10 Jan 2017 04 Jan 2017 001-37917
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 16 Nov 2016 15 Nov 2016 001-37917
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 10 Nov 2016 30 Sep 2016 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2016 07 Nov 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 09 Nov 2016 07 Nov 2016
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 09 Nov 2016 09 Nov 2016 001-37917
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 21 Oct 2016 19 Oct 2016
4 Open 4 document View SEC filing for 4 FORM 4 21 Oct 2016 19 Oct 2016
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 19 Oct 2016 13 Oct 2016 001-37917
424B4 Open 424B4 document View SEC filing for 424B4 424B4 17 Oct 2016 333-213504
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 14 Oct 2016 333-213504
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Oct 2016 333-213504
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 13 Oct 2016 13 Oct 2016
3 Open 3 document View SEC filing for 3 FORM 3 13 Oct 2016 13 Oct 2016
CERTNAS Open CERTNAS document View SEC filing for CERTNAS AUTO-GENERATED PAPER DOCUMENT 13 Oct 2016 001-37917
8-A12B Open 8-A12B document View SEC filing for 8-A12B FORM 8-A 13 Oct 2016 001-37917
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Oct 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 11 Oct 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Oct 2016
S-1/A Open S-1/A document View SEC filing for S-1/A AMENDMENT NO. 2 TO FORM S-1 03 Oct 2016 333-213504
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Sep 2016
S-1/A Open S-1/A document View SEC filing for S-1/A AMENDMENT NO. 1 TO FORM S-1 23 Sep 2016 333-213504
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Sep 2016
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Sep 2016
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Sep 2016
S-1 Open S-1 document View SEC filing for S-1 FORM S-1 02 Sep 2016 333-213504
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Aug 2016
DRS Open DRS document View SEC filing for DRS 18 Jul 2016 377-01350

About this filer

MAMMOTH ENERGY SERVICES, INC. files with the SEC under CIK 0001679268. This page aggregates EDGAR filings and related ownership activity.

Industry: Oil & Gas Field Services, Nec.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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