2022-01-28 |
13D/A
|
DWSN / Dawson Geophysical Company
|
|
2,094,586 |
17,641,596 |
|
|
|
2022-01-14 |
13D/A
|
DWSN / Dawson Geophysical Company
|
|
2,281,946 |
2,094,586 |
|
|
|
2021-10-25 |
13D/A
|
DWSN / Dawson Geophysical Company
|
|
2,281,946 |
2,281,946 |
|
|
|
2021-01-19 |
13D
|
DWSN / Dawson Geophysical Company
|
|
1,813,390 |
2,281,946 |
|
|
|
2020-10-19 |
13G
|
DWSN / Dawson Geophysical Company
|
|
1,813,390 |
1,813,390 |
|
|
|
2020-10-16 |
13G
|
DWSN / Dawson Geophysical Company
|
|
|
1,813,390 |
|
|
|
2020-02-14 |
13G/A
|
HALC / Halcon Resources Corporation NEW
|
|
|
36,450 |
|
|
|
2019-07-09 |
13D/A
|
CRR / Carbo Ceramics Inc.
|
|
3,344,915 |
3,614,915 |
|
|
|
2019-02-13 |
13G/A
|
CRZO / Carrizo Oil & Gas, Inc.
|
|
3,000,236 |
1,353,737 |
|
|
|
2019-02-13 |
13G/A
|
HKRS / Halcon Resources Corp.
|
|
8,927,030 |
15,718,609 |
|
|
|
2018-05-22 |
13G
|
HKRS / Halcon Resources Corp.
|
|
|
8,927,030 |
|
|
|
2018-04-12 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
45,039,713 |
45,239,713 |
|
|
|
2018-03-01 |
13G
|
CRZO / Carrizo Oil & Gas, Inc.
|
|
|
3,000,236 |
|
|
|
2018-02-14 |
13G/A
|
GST / Gastar Exploration Inc.
|
|
6,454,011 |
6,454,011 |
|
|
|
2018-01-12 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
45,039,713 |
45,039,713 |
|
|
|
2018-01-11 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
44,089,713 |
45,039,713 |
|
|
|
2017-12-29 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
43,139,713 |
44,089,713 |
|
|
|
2017-12-19 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
41,241,600 |
43,139,713 |
|
|
|
2017-08-04 |
13G/A
|
REI / Ring Energy, Inc.
|
|
2,772,693 |
0 |
|
|
|
2017-06-15 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
40,291,600 |
41,241,600 |
|
|
|
2017-05-26 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
39,266,600 |
40,291,600 |
|
|
|
2017-05-22 |
13D/A
|
CRR / Carbo Ceramics Inc.
|
|
3,093,307 |
3,344,915 |
|
|
|
2017-05-09 |
13D/A
|
CRR / Carbo Ceramics Inc.
|
|
2,594,733 |
3,093,307 |
|
|
|
2017-03-28 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
39,266,600 |
39,266,600 |
|
|
|
2017-03-27 |
13D/A
|
AREX / Approach Resources, Inc.
|
|
39,266,600 |
39,266,600 |
|
|
|
2017-03-10 |
13D/A
|
CRR / Carbo Ceramics Inc.
|
|
1,305,676 |
2,594,733 |
|
|
|
2017-02-14 |
13G/A
|
REI / Ring Energy, Inc.
|
|
2,258,900 |
2,772,693 |
|
|
|
2017-02-03 |
13D
|
AREX / Approach Resources, Inc.
|
|
|
39,266,600 |
|
|
|
2016-10-28 |
13G
|
PTEN / Patterson-UTI Energy, Inc.
|
|
|
1,192,072 |
|
|
|
2016-10-28 |
13G
|
PTEN / Patterson-UTI Energy, Inc.
|
|
|
1,192,072 |
|
|
|
2016-10-03 |
13D
|
CRR / Carbo Ceramics Inc.
|
|
13,056,761 |
1,305,676 |
|
|
|
2016-08-23 |
13G/A
|
GST / Gastar Exploration Inc.
|
|
7,390,511 |
6,454,011 |
|
|
|
2016-07-19 |
13G/A
|
REI / Ring Energy, Inc.
|
|
2,258,900 |
2,258,900 |
|
|
|
2016-06-27 |
13G
|
TWIN / Twin Disc, Incorporated
|
|
|
569,000 |
|
|
|
2016-05-25 |
13G
|
REI / Ring Energy, Inc.
|
|
|
2,258,900 |
|
|
|
2016-05-20 |
13G
|
GST / Gastar Exploration Inc.
|
|
|
7,390,511 |
|
|
|
2016-03-23 |
13G/A
|
CRR / Carbo Ceramics Inc.
|
|
13,056,761 |
1,305,676 |
|
|
|
2016-01-25 |
13G/A
|
CRR / Carbo Ceramics Inc.
|
|
13,056,761 |
1,305,676 |
|
|
|
2016-01-21 |
13G/A
|
CRR / Carbo Ceramics Inc.
|
|
13,156,761 |
1,305,676 |
|
|
|
2016-01-14 |
13G
|
CRR / Carbo Ceramics Inc.
|
|
|
1,315,676 |
|
|
|