How many SEC Form 4 insider filings does MPLX have?

MPLX LP (MPLX) has 14 SEC Form 4 filings (14 transaction rows) in the rolling 365-day window, disclosed by 0 distinct insiders. Most recent filing: May 19, 2026.

When was the most recent SEC Form 4 filing for MPLX?

The most recent Form 4 filing for MPLX on Tracefour is dated May 19, 2026.

MPLX

Name: MPLX Insider Trading Activity
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: MPLX, insider trading, SEC Form 4, insider transactions

MPLX LP

MPLX LP (MPLX) has 14 SEC Form 4 filings (14 transaction rows) in the rolling window, disclosed by 0 distinct insiders. Most recent filing: May 19, 2026.

Industry:Oil & Gas Midstream
CEO:Maryann T. Mannen
Employees:5,762
HQ:Findlay, OH, US
IPO:2012-10-26

No open-market insider trades for MPLX (MPLX LP) in the last 365 days.

Why this page may be quiet. Tracefour displays Form 4 open-market purchases (P) and sales (S): the two transaction codes that signal directional conviction. Restricted stock grants, option exercises, gifts, and tax-withholding sales are filed but intentionally not shown: they're disclosure mechanics, not buy/sell decisions.

Many large-cap executives trade through pre-scheduled 10b5-1 plans set months in advance and batch-disclosed each quarter, so the latest filing on EDGAR for a mega-cap can be weeks old without any insider actually choosing to trade in that window.

See all Form 4 filings on SEC EDGAR ↗

Related companies

MPLX LP is in the Transportation & Utilities sector.