2024 |
Marathon Petroleum Corp
|
Independent Director |
562.5 K |
3.0 % |
2024 |
MPLX LP - Unit
|
Independent Director |
225 K |
- |
2024 |
Kosmos Energy Ltd
|
Independent Director |
- |
- |
2023 |
Marathon Petroleum Corp
|
Independent Director |
546.3 K |
2.8 % |
2023 |
Kosmos Energy Ltd
|
Independent Director |
242.1 K |
- |
2023 |
MPLX LP - Unit
|
Independent Director |
- |
- |
2023 |
Kosmos Energy Ltd
|
Independent Director |
- |
- |
2022 |
Marathon Petroleum Corp
|
Independent Director |
531.3 K |
-0.7 % |
2022 |
MPLX LP - Unit
|
Independent Director |
200 K |
0.0 % |
2022 |
Kosmos Energy Ltd
|
Independent Director |
- |
- |
2021 |
Marathon Petroleum Corp
|
Independent Director |
535 K |
0.0 % |
2021 |
MPLX LP - Unit
|
Independent Director |
200 K |
0.0 % |
2021 |
U.S. Silica Holdings Inc
|
- |
36.8 K |
-86.0 % |
2021 |
U.S. Silica Holdings Inc
|
Independent Director |
- |
- |
2020 |
Marathon Petroleum Corp
|
Independent Director |
535 K |
-4.5 % |
2020 |
U.S. Silica Holdings Inc
|
Independent Director |
262.9 K |
9.6 % |
2020 |
MPLX LP - Unit
|
Independent Director |
200 K |
0.0 % |
2019 |
Marathon Petroleum Corp
|
Independent Director |
560 K |
30.3 % |
2019 |
U.S. Silica Holdings Inc
|
Independent Director |
239.9 K |
-1.8 % |
2019 |
MPLX LP - Unit
|
Independent Director |
200 K |
67.1 % |
2018 |
Marathon Petroleum Corp
|
Independent Director |
429.7 K |
61.1 % |
2018 |
U.S. Silica Holdings Inc
|
Independent Director |
244.2 K |
41.5 % |
2018 |
MPLX LP - Unit
|
Director |
119.7 K |
- |
2017 |
Marathon Petroleum Corp
|
Director |
266.7 K |
- |
2017 |
U.S. Silica Holdings Inc
|
Independent Director |
172.6 K |
-9.0 % |
2016 |
Sandridge Energy Inc - Ordinary Shares New
|
- |
244.5 K |
0.8 % |
2016 |
U.S. Silica Holdings Inc
|
Independent Director |
189.5 K |
-9.6 % |
2016 |
Marathon Petroleum Corp
|
Independent Director |
- |
- |
2016 |
Sandridge Energy Inc - Ordinary Shares New
|
Director |
- |
- |
2015 |
Sandridge Energy Inc - Ordinary Shares New
|
Independent Director |
242.7 K |
- |
2015 |
U.S. Silica Holdings Inc
|
Independent Director |
209.6 K |
-11.0 % |
2014 |
U.S. Silica Holdings Inc
|
Independent Director |
235.4 K |
226.2 % |
2014 |
Sandridge Energy Inc - Ordinary Shares New
|
Independent Director |
- |
- |
2013 |
U.S. Silica Holdings Inc
|
Independent Director |
72.1 K |
- |