291 filings
Page 8 of 15
4
TUSK
Mammoth Energy Services Inc
7 Jun 19
MAMMOTH ENERGY SERVICES / Matthew Ross ownership change
4:14pm
4
TUSK
Mammoth Energy Services Inc
7 Jun 19
MAMMOTH ENERGY SERVICES / Paul K IV Heerwagen ownership change
4:12pm
8-K
TUSK
Mammoth Energy Services Inc
7 Jun 19
Submission of Matters to a Vote of Security Holders
4:07pm
10-Q
2019 Q1
TUSK
Mammoth Energy Services Inc
Quarterly report
3 May 19
12:00am
8-K
TUSK
Mammoth Energy Services Inc
1 May 19
First Quarter 2019 Operational and Financial Results
4:25pm
DEFA14A
TUSK
Mammoth Energy Services Inc
26 Apr 19
Additional proxy soliciting materials
4:08pm
DEF 14A
TUSK
Mammoth Energy Services Inc
Definitive proxy
26 Apr 19
4:05pm
10-K
2018 FY
TUSK
Mammoth Energy Services Inc
Annual report
18 Mar 19
12:00am
8-K
TUSK
Mammoth Energy Services Inc
14 Mar 19
Fourth Quarter and Full Year 2018 Operational and Financial Results
4:13pm
SC 13G/A
TUSK
Mammoth Energy Services Inc
11 Feb 19
Mammoth Energy Services, Inc.
11:40am
SC 13G/A
TUSK
Mammoth Energy Services Inc
11 Feb 19
Mammoth Energy Services, Inc.
12:00am
4
Amron Arthur H
29 Jan 19
MAMMOTH ENERGY SERVICES / ARTHUR H AMRON ownership change
5:41pm
3
TUSK
Mammoth Energy Services Inc
29 Jan 19
MAMMOTH ENERGY SERVICES / ARTHUR H AMRON ownership change
5:37pm
8-K
TUSK
Mammoth Energy Services Inc
29 Jan 19
Departure of Directors or Certain Officers
5:09pm
8-K
TUSK
Mammoth Energy Services Inc
28 Dec 18
Entry into a Material Definitive Agreement
4:14pm
4
Smith Arthur L
6 Dec 18
MAMMOTH ENERGY SERVICES / ARTHUR L SMITH ownership change
4:05pm
4
TUSK
Mammoth Energy Services Inc
13 Nov 18
MAMMOTH ENERGY SERVICES / Arty Straehla ownership change
4:12pm
CT ORDER
TUSK
Mammoth Energy Services Inc
13 Nov 18
Confidential treatment order
3:13pm
4
Mark E. Layton
13 Nov 18
MAMMOTH ENERGY SERVICES / Mark E. Layton ownership change
12:00am
10-Q
2018 Q3
TUSK
Mammoth Energy Services Inc
Quarterly report
1 Nov 18
9:28pm