Filer Snapshot

MAMMOTH ENERGY SERVICES, INC.

CIK 0001679268. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity Type

Company

Total Filings

353

Latest Filing

15 May 2026

Industry

Oil & Gas Field Services, Nec

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  • Open 13F if you want portfolio holdings.
  • Open 13D/G or insider pages only when this CIK has those rows.
Open insider trading context
Source: SEC filing ARS

ARS filed on 15 May 2026 for CIK 0001679268.

View Source Filing
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

Filer intelligence

What SEC filings say about MAMMOTH ENERGY SERVICES, INC.

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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SEC source mix

Counts show available parsed rows, not one combined ownership total.

No XML rows yet
13F portfolio No rows yet

Quarterly institutional portfolio holdings.

13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

No parsed ownership summary yet

We still show the SEC filing timeline below. The intelligence summary will populate when parsed 13F, 13D/G, or Forms 3/4/5 data exists for this CIK.

Latest update

What changed recently for MAMMOTH ENERGY SERVICES, INC.

New fact period available

Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

11 May 2026

Page type

Company facts

Latest period

Q1 2026

SEC-backed company facts were refreshed from filings filed on 11 May 2026.

Open company facts Browse recent public updates

Benchmark Context

Benchmark context for this company

MAMMOTH ENERGY SERVICES, INC. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 11 May 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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Filer Overview

MAMMOTH ENERGY SERVICES, INC. has filed 353 SEC EDGAR filings since 18 Jul 2016. Common forms include ARS, DEFA14A, DEF 14A, 8-K and more.

MAMMOTH ENERGY SERVICES, INC. SEC filings MAMMOTH ENERGY SERVICES, INC. insider transactions MAMMOTH ENERGY SERVICES, INC. company facts TUSK holder history

Latest Filings

Recent SEC filings for MAMMOTH ENERGY SERVICES, INC. with direct links to document and filing folders.

ARS File 001-37917

ARS

Filing date
15 May 2026
Reporting date
15 May 2026
SEC evidence
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DEFA14A File 001-37917

DEFA14A

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-37917

DEF 14A

Filing date
15 May 2026
Reporting date
31 Dec 2025
SEC evidence
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4

FORM 4

Filing date
15 Dec 2025
Reporting date
11 Dec 2025
SEC evidence
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SCHEDULE 13G/A File 005-89809

SCHEDULE 13G/A filing

Filing date
14 Aug 2025
Reporting date
Not listed
SEC evidence
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144 File 001-37917

144 filing

Filing date
12 Aug 2025
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
27 May 2025
Reporting date
22 May 2025
SEC evidence
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4

FORM 4

Filing date
21 May 2025
Reporting date
19 May 2025
SEC evidence
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144 File 001-37917

144 filing

Filing date
12 May 2025
Reporting date
Not listed
SEC evidence
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ARS File 001-37917

ARS

Filing date
28 Apr 2025
Reporting date
28 Apr 2025
SEC evidence
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DEFA14A File 001-37917

DEFA14A

Filing date
28 Apr 2025
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-37917

DEF 14A

Filing date
28 Apr 2025
Reporting date
31 Dec 2024
SEC evidence
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4

FORM 4

Filing date
16 Dec 2024
Reporting date
12 Dec 2024
SEC evidence
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4

FORM 4

Filing date
26 Nov 2024
Reporting date
22 Nov 2024
SEC evidence
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4

FORM 4

Filing date
22 Nov 2024
Reporting date
20 Nov 2024
SEC evidence
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4

FORM 4

Filing date
15 Nov 2024
Reporting date
13 Nov 2024
SEC evidence
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SC 13G/A File 005-89809

SC 13G/A filing

Filing date
13 Nov 2024
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
12 Nov 2024
Reporting date
07 Nov 2024
SEC evidence
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144 File 001-37917

144 filing

Filing date
07 Nov 2024
Reporting date
Not listed
SEC evidence
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EFFECT File 333-280186

EFFECT filing

Filing date
26 Jun 2024
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
24 Jun 2024
Reporting date
Not listed
SEC evidence
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UPLOAD File 333-280186

UPLOAD filing

Filing date
21 Jun 2024
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
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4

FORM 4

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
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Next action
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4

FORM 4

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
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4

FORM 4

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
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4

FORM 4

Filing date
14 Jun 2024
Reporting date
12 Jun 2024
SEC evidence
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S-3 File 333-280186

S-3

Filing date
13 Jun 2024
Reporting date
Not listed
SEC evidence
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S-8 File 333-280146

S-8

Filing date
12 Jun 2024
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
30 May 2024
Reporting date
28 May 2024
SEC evidence
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ARS File 001-37917

ARS

Filing date
29 Apr 2024
Reporting date
29 Apr 2024
SEC evidence
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DEFA14A File 001-37917

DEFA14A

Filing date
29 Apr 2024
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-37917

DEF 14A

Filing date
29 Apr 2024
Reporting date
31 Dec 2023
SEC evidence
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4

4 filing

Filing date
14 Mar 2024
Reporting date
12 Mar 2024
SEC evidence
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4

FORM 4

Filing date
14 Mar 2024
Reporting date
12 Mar 2024
SEC evidence
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SC 13G/A File 005-89809

SC 13G/A filing

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-89809

WEXFORD CAPITAL 13GA7 02-09-2024

Filing date
09 Feb 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-89809

MAMMOTH ENERGY SERVICES, INC.

Filing date
07 Feb 2024
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
19 Dec 2023
Reporting date
18 Dec 2023
SEC evidence
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4

FORM 4

Filing date
15 Dec 2023
Reporting date
13 Dec 2023
SEC evidence
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144 File 001-37917

144 filing

Filing date
13 Dec 2023
Reporting date
Not listed
SEC evidence
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Next action
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4

FORM 4

Filing date
08 Jun 2023
Reporting date
07 Jun 2023
SEC evidence
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4

FORM 4

Filing date
08 Jun 2023
Reporting date
07 Jun 2023
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
08 Jun 2023
Reporting date
07 Jun 2023
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
08 Jun 2023
Reporting date
07 Jun 2023
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
08 Jun 2023
Reporting date
07 Jun 2023
SEC evidence
Open document Open filing
Next action
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ARS File 001-37917

ARS

Filing date
25 Apr 2023
Reporting date
25 Apr 2023
SEC evidence
Open document Open filing
Next action
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DEFA14A File 001-37917

DEFA14A

Filing date
25 Apr 2023
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 2023
Reporting date
31 Dec 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Mar 2023
Reporting date
03 Mar 2023
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
07 Mar 2023
Reporting date
03 Mar 2023
SEC evidence
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Next action
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SC 13G File 005-89809

SC 13G filing

Filing date
10 Feb 2023
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-89809

MAMMOTH ENERGY SERVICES, INC.

Filing date
09 Feb 2023
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-89809

WEXFORD CAPITAL 13GA6 02-01-2023

Filing date
01 Feb 2023
Reporting date
Not listed
SEC evidence
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Next action
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4

FORM 4

Filing date
14 Nov 2022
Reporting date
11 Nov 2022
SEC evidence
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Next action
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4

FORM 4

Filing date
30 Jun 2022
Reporting date
29 Jun 2022
SEC evidence
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Next action
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4

FORM 4

Filing date
30 Jun 2022
Reporting date
29 Jun 2022
SEC evidence
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Next action
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4

FORM 4

Filing date
30 Jun 2022
Reporting date
29 Jun 2022
SEC evidence
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Next action
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4

FORM 4

Filing date
30 Jun 2022
Reporting date
29 Jun 2022
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
30 Jun 2022
Reporting date
29 Jun 2022
SEC evidence
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Next action
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4

4 filing

Filing date
21 Jun 2022
Reporting date
16 Jun 2022
SEC evidence
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4

4 filing

Filing date
15 Jun 2022
Reporting date
13 Jun 2022
SEC evidence
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4

4 filing

Filing date
10 Jun 2022
Reporting date
08 Jun 2022
SEC evidence
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DEFA14A File 001-37917

DEFA14A

Filing date
02 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-37917

DEF 14A

Filing date
02 May 2022
Reporting date
31 Dec 2021
SEC evidence
Open document Open filing
Next action
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SC 13G File 005-89809

MAMMOTH ENERGY SERVICES, INC.

Filing date
21 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
11 Mar 2022
Reporting date
10 Mar 2022
SEC evidence
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Next action
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5

FORM 5

Filing date
14 Feb 2022
Reporting date
31 Dec 2021
SEC evidence
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Next action
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SC 13G/A File 005-89809

WEXFORD CAPITAL 13GA5 02-09-2022

Filing date
09 Feb 2022
Reporting date
Not listed
SEC evidence
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4

FORM 4

Filing date
14 Dec 2021
Reporting date
13 Dec 2021
SEC evidence
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Next action
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EFFECT File 333-257186

EFFECT filing

Filing date
12 Jul 2021
Reporting date
Not listed
SEC evidence
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Next action
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3

FORM 3

Filing date
12 Jul 2021
Reporting date
30 Jun 2021
SEC evidence
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Next action
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SC 13D File 005-89809

SCHEDULE 13D

Filing date
12 Jul 2021
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
08 Jul 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
25 Jun 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-3 File 333-257186

S-3

Filing date
21 Jun 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
04 Jun 2021
Reporting date
02 Jun 2021
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-37917

DEFA14A

Filing date
20 Apr 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-37917

DEF 14A

Filing date
20 Apr 2021
Reporting date
31 Dec 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
11 Mar 2021
Reporting date
11 Mar 2021
SEC evidence
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Next action
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4

FORM 4

Filing date
11 Mar 2021
Reporting date
09 Mar 2021
SEC evidence
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Next action
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SC 13G/A File 005-89809

WEXFORD CAPITAL 13GA4 02-05-2021

Filing date
05 Feb 2021
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
13 Nov 2020
Reporting date
10 Nov 2020
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
08 Sep 2020
Reporting date
04 Sep 2020
SEC evidence
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Next action
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4

FORM 4

Filing date
19 Aug 2020
Reporting date
17 Aug 2020
SEC evidence
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Next action
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3

FORM 3

Filing date
19 Aug 2020
Reporting date
17 Aug 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
07 Jul 2020
Reporting date
02 Jul 2020
SEC evidence
Open document Open filing
Next action
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4

4 filing

Filing date
07 Jul 2020
Reporting date
02 Jul 2020
SEC evidence
Open document Open filing
Next action
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3

3 filing

Filing date
07 Jul 2020
Reporting date
02 Jul 2020
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
07 Jul 2020
Reporting date
02 Jul 2020
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
07 Jul 2020
Reporting date
02 Jul 2020
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-37917

DEFA14A

Filing date
16 Jun 2020
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-37917

DEF 14A

Filing date
10 Jun 2020
Reporting date
31 Dec 2019
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
09 Jun 2020
Reporting date
09 Jun 2020
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
09 Jun 2020
Reporting date
09 Jun 2020
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
22 May 2020
Reporting date
18 May 2020
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
14 May 2020
Reporting date
08 May 2020
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
11 May 2020
Reporting date
11 May 2020
SEC evidence
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8-K File 001-37917

8-K

Filing date
29 Apr 2020
Reporting date
29 Apr 2020
SEC evidence
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Next action
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8-K File 001-37917

8-K

Filing date
22 Apr 2020
Reporting date
17 Apr 2020
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
17 Apr 2020
Reporting date
14 Apr 2020
SEC evidence
Open document Open filing
Next action
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4

FORM 4

Filing date
04 Mar 2020
Reporting date
03 Mar 2020
SEC evidence
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Next action
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4

FORM 4

Filing date
04 Mar 2020
Reporting date
03 Mar 2020
SEC evidence
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Next action
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8-K File 001-37917

8-K

Filing date
27 Feb 2020
Reporting date
27 Feb 2020
SEC evidence
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SC 13G/A File 005-89809

WEXFORD CAPITAL 13GA3 02-14-2020

Filing date
14 Feb 2020
Reporting date
Not listed
SEC evidence
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8-K File 001-37917

8-K

Filing date
23 Dec 2019
Reporting date
18 Dec 2019
SEC evidence
Open document Open filing
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4

4 filing

Filing date
22 Nov 2019
Reporting date
20 Nov 2019
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
22 Nov 2019
Reporting date
21 Nov 2019
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
20 Nov 2019
Reporting date
18 Nov 2019
SEC evidence
Open document Open filing
Next action
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3

FORM 3

Filing date
20 Nov 2019
Reporting date
18 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
20 Nov 2019
Reporting date
18 Nov 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
15 Nov 2019
Reporting date
13 Nov 2019
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
07 Nov 2019
Reporting date
07 Nov 2019
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
01 Aug 2019
Reporting date
01 Aug 2019
SEC evidence
Open document Open filing
Next action
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4

4 filing

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

4 filing

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
07 Jun 2019
Reporting date
05 Jun 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
01 May 2019
Reporting date
01 May 2019
SEC evidence
Open document Open filing
Next action
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DEFA14A File 001-37917

DEFA14A

Filing date
26 Apr 2019
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DEF 14A File 001-37917

DEF 14A

Filing date
26 Apr 2019
Reporting date
26 Apr 2019
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
14 Mar 2019
Reporting date
14 Mar 2019
SEC evidence
Open document Open filing
Next action
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SC 13G/A File 005-89809

JANUS HENDERSON GROUP PLC OWNS <5% NOW

Filing date
11 Feb 2019
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-89809

WEXFORD CAPITAL 13GA2 02-08-2018

Filing date
11 Feb 2019
Reporting date
Not listed
SEC evidence
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4

4 filing

Filing date
29 Jan 2019
Reporting date
25 Jan 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
3

3 filing

Filing date
29 Jan 2019
Reporting date
25 Jan 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
29 Jan 2019
Reporting date
25 Jan 2019
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
28 Dec 2018
Reporting date
21 Dec 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
06 Dec 2018
Reporting date
03 Dec 2018
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
13 Nov 2018
Reporting date
08 Nov 2018
SEC evidence
Open document Open filing
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4

FORM 4

Filing date
13 Nov 2018
Reporting date
08 Nov 2018
SEC evidence
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CT ORDER File 333-213504

CT ORDER filing

Filing date
13 Nov 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
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8-K File 001-37917

8-K

Filing date
31 Oct 2018
Reporting date
31 Oct 2018
SEC evidence
Open document Open filing
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8-K File 001-37917

8-K

Filing date
25 Oct 2018
Reporting date
19 Oct 2018
SEC evidence
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CT ORDER File 333-213504

CT ORDER filing

Filing date
25 Oct 2018
Reporting date
Not listed
SEC evidence
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8-K File 001-37917

8-K

Filing date
04 Sep 2018
Reporting date
04 Sep 2018
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
09 Aug 2018
Reporting date
30 Jul 2018
SEC evidence
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8-K File 001-37917

8-K

Filing date
06 Aug 2018
Reporting date
06 Aug 2018
SEC evidence
Open document Open filing
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4

FORM 4 SUBMISSION

Filing date
01 Aug 2018
Reporting date
30 Jul 2018
SEC evidence
Open document Open filing
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4

4 filing

Filing date
01 Aug 2018
Reporting date
30 Jul 2018
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
13 Jul 2018
Reporting date
09 Jul 2018
SEC evidence
Open document Open filing
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SC 13D/A File 005-89809

SCHEDULE 13D/A

Filing date
09 Jul 2018
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
03 Jul 2018
Reporting date
29 Jun 2018
SEC evidence
Open document Open filing
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4

4 filing

Filing date
03 Jul 2018
Reporting date
29 Jun 2018
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

8-K

Filing date
02 Jul 2018
Reporting date
26 Jun 2018
SEC evidence
Open document Open filing
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424B5 File 333-221268

424B5

Filing date
28 Jun 2018
Reporting date
Not listed
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424B5 File 333-221268

424B5

Filing date
26 Jun 2018
Reporting date
Not listed
SEC evidence
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EFFECT File 333-221268

EFFECT filing

Filing date
19 Jun 2018
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
15 Jun 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
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8-K File 001-37917

8-K

Filing date
12 Jun 2018
Reporting date
07 Jun 2018
SEC evidence
Open document Open filing
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4

FORM 4 SUBMISSION

Filing date
11 Jun 2018
Reporting date
07 Jun 2018
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
11 Jun 2018
Reporting date
07 Jun 2018
SEC evidence
Open document Open filing
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4

FORM 4 SUBMISSION

Filing date
11 Jun 2018
Reporting date
07 Jun 2018
SEC evidence
Open document Open filing
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4

FORM 4 SUBMISSION

Filing date
11 Jun 2018
Reporting date
07 Jun 2018
SEC evidence
Open document Open filing
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4

4 filing

Filing date
11 Jun 2018
Reporting date
07 Jun 2018
SEC evidence
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S-3/A File 333-221268

FORM S-3 (AMEND. NO. 1)

Filing date
06 Jun 2018
Reporting date
Not listed
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8-K File 001-37917

8-K

Filing date
31 May 2018
Reporting date
26 May 2018
SEC evidence
Open document Open filing
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UPLOAD

UPLOAD filing

Filing date
29 May 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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CORRESP

CORRESP filing

Filing date
04 May 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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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
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DEFA14A File 001-37917

DEFA14A

Filing date
25 Apr 2018
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-37917

DEF 14A

Filing date
25 Apr 2018
Reporting date
25 Apr 2018
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
24 Apr 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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CORRESP

CORRESP filing

Filing date
10 Apr 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
04 Apr 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
07 Mar 2018
Reporting date
01 Mar 2018
SEC evidence
Open document Open filing
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
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5

FORM 5 SUBMISSION

Filing date
14 Feb 2018
Reporting date
05 Jun 2017
SEC evidence
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SC 13D File 005-89809

SCHEDULE 13D

Filing date
14 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-89809

WEXFORD CAPITAL SC 13G A1 02-13-2018

Filing date
14 Feb 2018
Reporting date
Not listed
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SC 13G File 005-89809

RE-FILING UNDER NEW JANUS HENDERSON GROUP PLC POST MERGER

Filing date
13 Feb 2018
Reporting date
Not listed
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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
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CORRESP

CORRESP filing

Filing date
06 Feb 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
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4

FORM 4 SUBMISSION

Filing date
06 Feb 2018
Reporting date
02 Feb 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
06 Feb 2018
Reporting date
02 Feb 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
06 Feb 2018
Reporting date
02 Feb 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
06 Feb 2018
Reporting date
02 Feb 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
06 Feb 2018
Reporting date
02 Feb 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
31 Jan 2018
Reporting date
28 Jan 2018
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

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

CORRESP filing

Filing date
17 Jan 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
03 Jan 2018
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
12 Dec 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
04 Dec 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Nov 2017
Reporting date
14 Nov 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
16 Nov 2017
Reporting date
14 Nov 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
02 Nov 2017
Reporting date
02 Nov 2017
SEC evidence
Open document Open filing
Next action
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S-3 File 333-221268

FORM S-3

Filing date
01 Nov 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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4

FORM 4 SUBMISSION

Filing date
28 Aug 2017
Reporting date
24 Aug 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
06 Jul 2017
Reporting date
26 Jun 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
27 Jun 2017
Reporting date
27 Jun 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
22 Jun 2017
Reporting date
08 Jun 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
13 Jun 2017
Reporting date
09 Jun 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
12 Jun 2017
Reporting date
12 Jun 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
09 Jun 2017
Reporting date
09 Jun 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

8-K

Filing date
31 May 2017
Reporting date
31 May 2017
SEC evidence
Open document Open filing
Next action
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DEFM14C File 001-37917

DEFM14C

Filing date
15 May 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
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8-K File 001-37917

8-K

Filing date
04 May 2017
Reporting date
03 May 2017
SEC evidence
Open document Open filing
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PREM14C File 001-37917

PREM14C

Filing date
03 May 2017
Reporting date
03 May 2017
SEC evidence
Open document Open filing
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DEFA14A File 001-37917

DEFA14A

Filing date
28 Apr 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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DEF 14A File 001-37917

DEF 14A

Filing date
28 Apr 2017
Reporting date
28 Apr 2017
SEC evidence
Open document Open filing
Next action
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S-8 File 333-217361

S-8

Filing date
18 Apr 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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8-K File 001-37917

FORM 8-K

Filing date
29 Mar 2017
Reporting date
29 Mar 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

FORM 8-K

Filing date
24 Mar 2017
Reporting date
24 Mar 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
02 Mar 2017
Reporting date
28 Feb 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
23 Feb 2017
Reporting date
21 Feb 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

FORM 8-K

Filing date
23 Feb 2017
Reporting date
23 Feb 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G File 005-89809

SC 13G

Filing date
14 Feb 2017
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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SC 13G File 005-89809

SC 13G TUSK 12.31.17

Filing date
13 Feb 2017
Reporting date
Not listed
SEC evidence
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SC 13G File 005-89809

WEXFORD CAPITAL SC13G 02-08-2017

Filing date
08 Feb 2017
Reporting date
Not listed
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
10 Jan 2017
Reporting date
09 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
10 Jan 2017
Reporting date
09 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

FORM 8-K

Filing date
10 Jan 2017
Reporting date
04 Jan 2017
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

FORM 8-K

Filing date
16 Nov 2016
Reporting date
15 Nov 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
09 Nov 2016
Reporting date
07 Nov 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
09 Nov 2016
Reporting date
07 Nov 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

FORM 8-K

Filing date
09 Nov 2016
Reporting date
09 Nov 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4 SUBMISSION

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
4

FORM 4

Filing date
21 Oct 2016
Reporting date
19 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 001-37917

FORM 8-K

Filing date
19 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
424B4 File 333-213504

424B4

Filing date
17 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CT ORDER File 333-213504

CT ORDER filing

Filing date
14 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
EFFECT File 333-213504

EFFECT filing

Filing date
13 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3

Filing date
13 Oct 2016
Reporting date
13 Oct 2016
SEC evidence
Open document Open filing
Next action
Verify source filing
CERTNAS File 001-37917

AUTO-GENERATED PAPER DOCUMENT

Filing date
13 Oct 2016
Reporting date
Not listed
SEC evidence
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8-A12B File 001-37917

FORM 8-A

Filing date
13 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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CORRESP

CORRESP filing

Filing date
13 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
11 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
03 Oct 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1/A File 333-213504

AMENDMENT NO. 2 TO FORM S-1

Filing date
03 Oct 2016
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
30 Sep 2016
Reporting date
Not listed
SEC evidence
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S-1/A File 333-213504

AMENDMENT NO. 1 TO FORM S-1

Filing date
23 Sep 2016
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
22 Sep 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
19 Sep 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
02 Sep 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-1 File 333-213504

FORM S-1

Filing date
02 Sep 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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UPLOAD

UPLOAD filing

Filing date
11 Aug 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
DRS File 377-01350

DRS filing

Filing date
18 Jul 2016
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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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.

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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