M Frank Semple

Affiliations

  • at Mplx Lp (MPLX), 2025-05-20
  • at Marathon Petroleum Corp (MPC), 2025-05-05
  • Director at Hyliion Holdings Corp. (HYLN), 2020-10-05
  • Director at Andeavor Logistics Lp (ANDX), 2019-08-01
  • Chairman, President & Ceo at Markwest Energy Partners L P (MWE), 2015-12-08
Insider Trading: Purchases See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
MWE $43.18 1,160 $50,088.80 539,738 2011-05-17 Filing
Insider Trading: Sales See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
MPLX $34.00 28,000 $952,000.00 333,337 2022-02-02 Filing
MPLX $33.00 28,000 $924,000.00 361,337 2022-02-01 Filing
MPLX $32.00 27,000 $864,000.00 389,337 2021-11-08 Filing
MPLX $34.00 45,000 $1,530,000.00 29,312 2016-12-27 Filing
MPLX $34.00 45,000 $1,530,000.00 74,312 2016-11-21 Filing