0000950170-24-016155.txt : 20240216 0000950170-24-016155.hdr.sgml : 20240216 20240216075210 ACCESSION NUMBER: 0000950170-24-016155 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240214 FILED AS OF DATE: 20240216 DATE AS OF CHANGE: 20240216 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SEMPLE FRANK M CENTRAL INDEX KEY: 0001270065 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 24645806 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE ST. STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 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 2024-02-14 0001552000 MPLX LP MPLX 0001270065 SEMPLE FRANK M C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 true false false false false Common Units (Limited Partner Interests) 2024-02-14 4 A false 956.533 0 A 43899.391 D Common Units (Limited Partner Interests) 333337 I Frank M Semple Revocable Trust Common Units (Limited Partner Interests) 111180 I Robin Y Semple 2012 Dynasty Trust Common Units (Limited Partner Interests) 48777 I EK Holdings LLC 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 Frank M. Semple 2024-02-16