292 filings
Page 10 of 15
4
Paul K IV Heerwagen
11 Jun 18
MAMMOTH ENERGY SERVICES / Paul K IV Heerwagen ownership change
6:08pm
4
TUSK
Mammoth Energy Services Inc
11 Jun 18
MAMMOTH ENERGY SERVICES / James D Palm ownership change
6:08pm
4
Matthew Ross
11 Jun 18
MAMMOTH ENERGY SERVICES / Matthew Ross ownership change
6:08pm
4
Smith Arthur L
11 Jun 18
MAMMOTH ENERGY SERVICES / ARTHUR L SMITH ownership change
6:06pm
4
Marc T McCarthy
11 Jun 18
MAMMOTH ENERGY SERVICES / Marc T McCarthy ownership change
4:33pm
S-3/A
TUSK
Mammoth Energy Services Inc
6 Jun 18
Shelf registration (amended)
5:06pm
8-K
TUSK
Mammoth Energy Services Inc
31 May 18
Entry into a Material Definitive Agreement
4:37pm
UPLOAD
TUSK
Mammoth Energy Services Inc
29 May 18
Letter from SEC
12:00am
CORRESP
TUSK
Mammoth Energy Services Inc
4 May 18
Correspondence with SEC
12:00am
10-Q
2018 Q1
TUSK
Mammoth Energy Services Inc
Quarterly report
4 May 18
12:00am
8-K
TUSK
Mammoth Energy Services Inc
2 May 18
First Quarter 2018 Operational and Financial Results
4:53pm
DEFA14A
TUSK
Mammoth Energy Services Inc
25 Apr 18
Additional proxy soliciting materials
4:37pm
DEF 14A
TUSK
Mammoth Energy Services Inc
Definitive proxy
25 Apr 18
4:35pm
UPLOAD
TUSK
Mammoth Energy Services Inc
24 Apr 18
Letter from SEC
12:00am
CORRESP
TUSK
Mammoth Energy Services Inc
10 Apr 18
Correspondence with SEC
12:00am
UPLOAD
TUSK
Mammoth Energy Services Inc
4 Apr 18
Letter from SEC
12:00am
4
Mark E. Layton
7 Mar 18
MAMMOTH ENERGY SERVICES / Mark E. Layton ownership change
12:00am
10-K
2017 FY
TUSK
Mammoth Energy Services Inc
Annual report
28 Feb 18
12:00am
8-K
TUSK
Mammoth Energy Services Inc
22 Feb 18
Fourth Quarter and Full Year 2017 Operational and Financial Results
12:00am
SC 13G/A
TUSK
Mammoth Energy Services Inc
14 Feb 18
Mammoth Energy Services, Inc.
12:00am