0000950170-24-025411.txt : 20240305 0000950170-24-025411.hdr.sgml : 20240305 20240305074444 ACCESSION NUMBER: 0000950170-24-025411 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: Mannen Maryann T. CENTRAL INDEX KEY: 0001408964 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 24718303 MAIL ADDRESS: STREET 1: C/O MARATHON PETROLEUM CORPORATION STREET 2: 539 SOUTH MAIN ST CITY: FINDLAY STATE: OH ZIP: 45840 FORMER NAME: FORMER CONFORMED NAME: Seaman Maryann T. DATE OF NAME CHANGE: 20070806 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 0001408964 Mannen Maryann T. C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 true false false false false Common Units (Limited Partner Interests) 2024-03-01 4 F false 4346 38.87 D 67850 D Common Units (Limited Partner Interests) 2024-03-01 4 F false 3290 38.87 D 64560 D Common Units (Limited Partner Interests) 2024-03-01 4 F false 3407 38.87 D 61153 D Common Units (Limited Partner Interests) 2024-03-01 4 A false 25947 0 A 87100 D The Reporting Person is a Director 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 Maryann T. Mannen 2024-03-05