Director Bruce L. Niemeyer filed a Form 4 with the SEC on November 3, 2026, reporting the acquisition of 1,276.711 Common Units of MPLX LP on November 1, 2026.

Key Highlights

  • Reporting person: Bruce L. Niemeyer, a Director of MPLX GP LLC, the general partner of MPLX LP (NYSE:MPLX).
  • Transaction: Acquisition (transaction code A) of 1,276.711 Common Units (Limited Partner Interests) on November 1, 2026.
  • Price paid: $0 per unit, as reported in the filing.
  • Resulting ownership: 1,276.711 Common Units held directly following the transaction.
  • No derivative securities: Table II reports no derivative security transactions.
  • Signed by: Molly R. Benson, Attorney-in-Fact for Bruce L. Niemeyer, on November 3, 2026.

MPLX LP Director Niemeyer Reports Unit Acquisition on November 1, 2026

According to the Form 4 filed with the U.S. Securities and Exchange Commission on November 3, 2026, Bruce L. Niemeyer reported the acquisition of 1,276.711 Common Units (Limited Partner Interests) of MPLX LP (NYSE:MPLX). The transaction was dated November 1, 2026, and carried a price of $0, as stated in the filing. The acquisition is recorded under transaction code "A" in Table I of the form, indicating units acquired rather than disposed of.

The filing notes that Niemeyer is a Director of MPLX GP LLC, which serves as the general partner of MPLX LP. According to the filing, "The Issuer is managed by the directors and executive officers of MPLX GP LLC." The form was filed by one reporting person, and the ownership of the 1,276.711 units following the reported transaction is listed as direct.

Table II of the filing, covering derivative securities such as puts, calls, warrants, options, and convertible securities, reflects no transactions. The form was signed by Molly R. Benson as Attorney-in-Fact for Bruce L. Niemeyer on the date of filing, November 3, 2026. No amendment date is indicated, suggesting this is an original filing.

What Was Disclosed

The filing disclosed that Director Bruce L. Niemeyer acquired 1,276.711 Common Units of MPLX LP at a price of $0 on November 1, 2026, resulting in direct beneficial ownership of 1,276.711 units. No derivative securities were reported.