0000950170-24-025407.txt : 20240305 0000950170-24-025407.hdr.sgml : 20240305 20240305074109 ACCESSION NUMBER: 0000950170-24-025407 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240301 FILED AS OF DATE: 20240305 DATE AS OF CHANGE: 20240305 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hennigan Michael J CENTRAL INDEX KEY: 0001352283 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 24718301 MAIL ADDRESS: STREET 1: 3807 WEST CHESTER PIKE CITY: NEWTOWN SQUARE STATE: PA ZIP: 19073 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MPLX LP CENTRAL INDEX KEY: 0001552000 STANDARD INDUSTRIAL CLASSIFICATION: PIPE LINES (NO NATURAL GAS) [4610] ORGANIZATION NAME: 01 Energy & Transportation IRS NUMBER: 270005456 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 E. HARDIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 BUSINESS PHONE: (419) 421-2159 MAIL ADDRESS: STREET 1: 200 E. HARDIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 4 1 ownership.xml 4 X0508 4 2024-03-01 0001552000 MPLX LP MPLX 0001352283 Hennigan Michael J C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 true true false false President & CEO false Common Units (Limited Partner Interests) 2024-03-01 4 F false 12371 38.87 D 303736 D Common Units (Limited Partner Interests) 2024-03-01 4 F false 9949 38.87 D 293787 D Common Units (Limited Partner Interests) 2024-03-01 4 F false 10270 38.87 D 283517 D Common Units (Limited Partner Interests) 2024-03-01 4 A false 76803 0 A 360320 D The Reporting Person is Chairman of the Board of Directors, President and Chief Executive Officer of MPLX GP LLC, the general partner of the Issuer. The Issuer is managed by the directors and executive officers of MPLX GP LLC. /s/ Molly R. Benson, Attorney-in-Fact for Michael J. Hennigan 2024-03-05