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BCS

Current Report · Items 5.02, 8.01, 9.01 · 8-K

MPLX LP

MPLXNYSEEQUITYCurrent

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Other Events

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On October 27, 2026, the board of managers of MPC Investment LLC, the sole member of MPLX GP LLC, the general partner (the “General Partner”), of MPLX LP (the “Partnership”), increased the size of the board of directors of the General Partner…

Filed Oct 29, 2026Accepted Oct 29, 2026, 5:00 PM EDTCIK 1552000Accession 0001552000-26-000040
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Company context

Current securities

Historical securities (1)

Recent company filings

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Registered securities in this filing

MPLX LP · 8-K · Filed 2026-10-29

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Units Representing Limited Partnership Interests

Symbol
MPLX
Exchange
NYSE
Classification
UNIT
Status
Current
Filing context

Context: c-1

Dimensions: Not supplied

Accession 000155200026000040 · 1 registered-security cover member

Read the exact SEC filing ↗

Disclosure sections

Items 5.02, 8.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 5.02Item 5.02 - Departure/Election of Directors
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On October 27, 2026, the board of managers of MPC Investment LLC, the sole member of MPLX GP LLC, the general partner (the “General Partner”), of MPLX LP (the “Partnership”), increased the size of the board of directors of the General Partner (the “Board”) to twelve members and elected Micheal G. Dunn and Bruce L. Niemeyer to serve on the Board as directors, effective November 1, 2026. Mr. Dunn and Mr. Niemeyer were each appointed to serve on the Board's Audit Committee and Conflicts Comm... As non-management directors, Mr. Dunn and Mr. Niemeyer will receive compensation in the same manner as the Board’s other non-management directors. The terms of non-management director compensation were disclosed in the Partnership’s Annual Report on Form 10-K for the year ended December 31, 2025, filed with the Securities and Exchange Commission on February 26, 2026. ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events. On October 29, 2026, the Partnership issued a press release announcing the changes reported above. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

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