Financial reports
10-K
2023 FY
Annual report
1 Mar 24
10-Q
2023 Q3
Quarterly report
9 Nov 23
10-Q
2023 Q2
Quarterly report
11 Aug 23
10-Q
2023 Q1
Quarterly report
28 Apr 23
ARS
2023 FY
Annual report to shareholders
25 Apr 23
10-K
2022 FY
Annual report
24 Feb 23
10-Q
2022 Q3
Quarterly report
28 Oct 22
10-Q
2022 Q2
Quarterly report
1 Aug 22
10-Q
2022 Q1
Quarterly report
9 May 22
10-K
2021 FY
Annual report
4 Mar 22
Current reports
8-K
Results of Operations and Financial Condition
1 Mar 24
8-K
Entry into a Material Definitive Agreement
6 Dec 23
8-K
Mammoth Energy Services, Inc. Announces Third Quarter 2023 Operational and Financial Results
9 Nov 23
8-K
Entry into a Material Definitive Agreement
19 Oct 23
8-K
Mammoth Energy Services, Inc. Announces Second Quarter 2023 Operational and Financial Results
11 Aug 23
8-K
Submission of Matters to a Vote of Security Holders
8 Jun 23
8-K
Mammoth Energy Services, Inc. Announces First Quarter 2023 Operational and Financial Results
27 Apr 23
8-K
Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2022 Operational and Financial Results
23 Feb 23
8-K
Mammoth Energy Services, Inc. Reports Strong
27 Oct 22
8-K
Mammoth Energy Services, Inc. Announces Strong
28 Jul 22
Registration and prospectus
S-3
Shelf registration
18 Jun 21
424B5
Prospectus supplement for primary offering
28 Jun 18
424B5
Prospectus supplement for primary offering
26 Jun 18
S-3/A
Shelf registration (amended)
6 Jun 18
S-3
Shelf registration
1 Nov 17
S-8
Registration of securities for employees
18 Apr 17
424B4
Prospectus supplement with pricing info
17 Oct 16
8-A12B
Registration of securities on exchange
13 Oct 16
S-1/A
IPO registration (amended)
3 Oct 16
S-1/A
IPO registration (amended)
23 Sep 16
Proxies
DEFA14A
Additional proxy soliciting materials
25 Apr 23
DEF 14A
Definitive proxy
25 Apr 23
DEFA14A
Additional proxy soliciting materials
2 May 22
DEF 14A
Definitive proxy
2 May 22
DEFA14A
Additional proxy soliciting materials
20 Apr 21
DEF 14A
Definitive proxy
20 Apr 21
DEFA14A
Additional proxy soliciting materials
16 Jun 20
DEF 14A
Definitive proxy
10 Jun 20
DEFA14A
Additional proxy soliciting materials
26 Apr 19
DEF 14A
Definitive proxy
26 Apr 19
Other
EFFECT
Notice of effectiveness
13 Jul 21
CORRESP
Correspondence with SEC
8 Jul 21
UPLOAD
Letter from SEC
25 Jun 21
CT ORDER
Confidential treatment order
13 Nov 18
CT ORDER
Confidential treatment order
25 Oct 18
EFFECT
Notice of effectiveness
20 Jun 18
CORRESP
Correspondence with SEC
15 Jun 18
UPLOAD
Letter from SEC
29 May 18
CORRESP
Correspondence with SEC
4 May 18
UPLOAD
Letter from SEC
24 Apr 18
Ownership
4
CHARLES E DAVIDSON
14 Mar 24
4
Arthur H Amron
14 Mar 24
SC 13G/A
VALUEWORKS LLC
13 Feb 24
SC 13G/A
WEXFORD CAPITAL LP
9 Feb 24
SC 13G/A
ADAGE CAPITAL PARTNERS GP, L.L.C.
7 Feb 24
4
Arty Straehla
19 Dec 23
4
Arty Straehla
15 Dec 23
144
Notice of proposed sale of securities
13 Dec 23
4
Arthur H Amron
8 Jun 23
4
Paul M. Jacobi
8 Jun 23