Mplx Lp (MPLX)
NYSE: MPLX · Pipe Lines (No Natural Gas) · Findlay, OH · filing with the SEC since 2012
Who runs Mplx Lp
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Mannen Maryann T.
Chairman, President & CEO. First filing Feb 2021, latest Mar 3, 2026, 0 filings in all.
Officers reporting now
9
of 17 people with a filing in the last fifteen months
Directors reporting now
8
44 people on the record since 2012
Officerssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Hagedorn Carl Kristopher | Exec VP & Chief Fin Ofc | Dec 2017 | Nov 12, 2026 | 1 · $200,000 |
| Semple Frank M | Vice Chairman | Dec 2015 | Aug 18, 2026 | none |
| Peiffer Garry L. | President | Oct 2012 | Aug 18, 2026 | none |
| Brzezinski Erin M | VP and Controller | Apr 2026 | Apr 2, 2026 | none |
| Mannen Maryann T. | Chairman, President & CEO | Feb 2021 | Mar 3, 2026 | none |
| Floerke Gregory Scott | Exec. VP and COO | Dec 2015 | Mar 3, 2026 | none |
| Benson Molly R | Chief Legal Ofc & Corp Sec | Jan 2024 | Mar 3, 2026 | none |
| Lyon Shawn M | Senior VP, Log. & Storage | Sep 2022 | Mar 3, 2026 | none |
| Hennigan Michael J | Executive Chairman | Jun 2017 | Dec 16, 2025 | none |
Directorssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Dunn Micheal G. | director | Nov 2026 | Nov 3, 2026 | none |
| Niemeyer Bruce L | director | Nov 2026 | Nov 3, 2026 | none |
| Breves Christine S | director | Nov 2022 | Aug 18, 2026 | none |
| Helms Christopher A | director | Oct 2012 | Aug 18, 2026 | none |
| Stice J Michael | director | May 2018 | Aug 18, 2026 | none |
| Surma John P | director | Oct 2012 | Aug 18, 2026 | none |
| Walker Ray N Jr | director | Aug 2025 | Aug 18, 2026 | none |
| Khoury Maria A | director | Jan 2026 | Mar 3, 2026 | none |
Earlier names on the record35, newest filing first
Quaid John J · officer · last filing Mar 2025Iten Rebecca L · officer · last filing Mar 2025Gagle Suzanne · officer · last filing Dec 2023Sandman Dan D · director · last filing Apr 2023Kaczynski Thomas · officer · last filing Dec 2022Aydt Timothy J · officer · last filing Mar 2022Beall Pamela K.M. · officer · last filing Dec 2021Templin Donald C. · officer · last filing Nov 2021Wright Kelly D · officer · last filing Sep 2021Beatty Michael L · director · last filing Apr 2021Marathon Petroleum Corp · director · last filing Feb 2021Mpc Investment LLC · director · last filing Feb 2021Mplx Gp LLC · director · last filing Feb 2021Mplx Logistics Holdings LLC · director · last filing Feb 2021Andeavor LLC · 10% owner · last filing Feb 2021Giant Industries, Inc. · 10% owner · last filing Feb 2021Ttc Holdings LLC · 10% owner · last filing Feb 2021Western Refining, Inc. · 10% owner · last filing Feb 2021Tesoro Alaska Co LLC · other · last filing Aug 2020Tesoro Logistics Gp, LLC · other · last filing Aug 2020Tesoro Refining & Marketing Co LLC · other · last filing Aug 2020Western Refining Southwest, Inc. · 10% owner · last filing Aug 2020Heminger Gary R. · officer · last filing Mar 2020Swearingen John S · officer · last filing Mar 2020Goff Gregory James · director · last filing Dec 2019Griffith Timothy T. · officer · last filing Mar 2019Daberko David A. · director · last filing Apr 2018Mplx Holdings Inc. · director · last filing Feb 2018Wilson C. Richard · director · last filing Nov 2017Bromley C Corwin · officer · last filing Sep 2017Rosson Paula L · officer · last filing Apr 2017Nickerson Randy S · officer · last filing Mar 2017Buese Nancy · officer · last filing Sep 2016Markwest Hydrocarbon L.L.C. · director · last filing Sep 2016Pierson Craig O. · officer · last filing Apr 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.