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Who to call at MPLX LP, and when

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Executive ChangeItem 5.02 · 8-KMEDIUM RiskNeutral

MPLX LP

A senior executive or director joined, left, or changed roles. An 8-K is the notice a US public company must file within four business days of a major event.

www.mplx.com
Filed: Nov 4, 2025FindlayCIK: 0001552000Oil And Gas
Full company profileView on SEC.gov

AI Executive Summary

AI-powered analysis of 8-K filing content

MPLX GP LLC elected Maryann T. Mannen, the current President and CEO, as Chairman of the Board effective January 1, 2026, following the retirement of Michael J. Hennigan. The board will shrink to 10 directors, consolidating leadership under Mannen.

Key Takeaways

Maryann T. Mannen will hold both the President and CEO role and the Chairman of the Board role starting January 1, 2026, combining executive and board leadership.

Michael J. Hennigan informed the Partnership of his intent to retire on October 29, 2025, and the board change follows from that retirement.

3 more takeaways

Related Filings (5)

5 more filings from MPLX LP in the last 90 days

Filing Overview

Form Type8-K
Filing DateNov 4, 2025
Item5.02
CategoryExecutive Change
CIK0001552000
Accession #0001552000-25-000040
Risk LevelMEDIUM
SentimentNeutral
Signalinformational
Topics
board changeleadership transition

What This Means

A senior executive (CEO, CFO, etc.) has joined, departed, or changed roles. Leadership changes can significantly impact strategy.
View Full Filing on SEC.govBrowse More Filings

MPLX LP filed with the SEC. Fundz turns 8-K material events into an alert with the right executive attached.

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