291 filings
Page 7 of 15
4
TUSK
Mammoth Energy Services Inc
4 Mar 20
MAMMOTH ENERGY SERVICES / Arty Straehla ownership change
4:24pm
4
TUSK
Mammoth Energy Services Inc
4 Mar 20
MAMMOTH ENERGY SERVICES / Mark E. Layton ownership change
4:21pm
10-K
2019 FY
TUSK
Mammoth Energy Services Inc
Annual report
2 Mar 20
12:00am
8-K
TUSK
Mammoth Energy Services Inc
27 Feb 20
Mammoth Energy Services, Inc. Announces Fourth Quarter and Full Year 2019 Operational and Financial Results
4:10pm
SC 13G/A
TUSK
Mammoth Energy Services Inc
14 Feb 20
Beneficial ownership report (amended)
4:36pm
8-K
TUSK
Mammoth Energy Services Inc
23 Dec 19
Termination of a Material Definitive Agreement
7:05am
4
Meh Sub LLC
22 Nov 19
MAMMOTH ENERGY SERVICES / JOSEPH JACOBS ownership change
5:35pm
4
Matthew Ross
22 Nov 19
MAMMOTH ENERGY SERVICES / Matthew Ross ownership change
4:07pm
4
TUSK
Mammoth Energy Services Inc
20 Nov 19
MAMMOTH ENERGY SERVICES / JONATHAN H YELLEN ownership change
4:17pm
3
TUSK
Mammoth Energy Services Inc
20 Nov 19
MAMMOTH ENERGY SERVICES / JONATHAN H YELLEN ownership change
4:13pm
8-K
TUSK
Mammoth Energy Services Inc
20 Nov 19
Departure of Directors or Certain Officers
4:07pm
4
Meh Sub LLC
15 Nov 19
MAMMOTH ENERGY SERVICES / CHARLES E DAVIDSON ownership change
5:10pm
10-Q
2019 Q3
TUSK
Mammoth Energy Services Inc
Quarterly report
12 Nov 19
12:00am
8-K
TUSK
Mammoth Energy Services Inc
7 Nov 19
Mammoth Energy Services, Inc. Announces Third Quarter 2019 Operational and Financial Results
4:34pm
10-Q
2019 Q2
TUSK
Mammoth Energy Services Inc
Quarterly report
5 Aug 19
12:00am
8-K
TUSK
Mammoth Energy Services Inc
1 Aug 19
Second Quarter 2019 Operational and Financial Results
4:23pm
4
Amron Arthur H
7 Jun 19
MAMMOTH ENERGY SERVICES / ARTHUR H AMRON ownership change
4:35pm
4
TUSK
Mammoth Energy Services Inc
7 Jun 19
MAMMOTH ENERGY SERVICES / Marc T McCarthy ownership change
4:33pm
4
Palm James D
7 Jun 19
MAMMOTH ENERGY SERVICES / James D Palm ownership change
4:18pm
4
Smith Arthur L
7 Jun 19
MAMMOTH ENERGY SERVICES / ARTHUR L SMITH ownership change
4:16pm