MPLX

MPLX LP · Transportation & Utilities · Market cap $58.7B

MPLX LP (MPLX) has 52 SEC Form 4 filings (67 transaction rows) in the rolling window, disclosed by 0 distinct insiders. Most recent filing: Aug 18, 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 ↗

Earnings: last 7 quarters

EstimatedActual

Congress trading MPLX 31 all-time

See timeline →
  • RRep. Mark E. GreenOther$500,001 - $1,000,0002021-12-21
  • RRep. Mark E. GreenPurchase$500,001 - $1,000,0002021-11-08
  • RRep. Mark E. GreenOther$500,001 - $1,000,0002021-05-13
  • RSen. David Alfred PerdueOther$15,001 - $50,0002020-04-15
  • RRep. Mark E. GreenPurchase$100,001 - $250,0002021-04-14
  • RRep. Mark E. GreenPurchase$50,001 - $100,0002021-03-01

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Frequently asked questions

How many SEC Form 4 insider filings does MPLX have?

MPLX LP (MPLX) has 52 SEC Form 4 filings (67 transaction rows) in the rolling 365-day window, disclosed by 0 distinct insiders. Most recent filing: Aug 18, 2026.

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

The most recent Form 4 filing for MPLX on Tracefour is dated Aug 18, 2026.

Can I get alerts for MPLX insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at MPLX LP (MPLX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

MPLX LP is in the Transportation & Utilities sector.