0001209191-23-045943.txt : 20230816 0001209191-23-045943.hdr.sgml : 20230816 20230816070238 ACCESSION NUMBER: 0001209191-23-045943 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230814 FILED AS OF DATE: 20230816 DATE AS OF CHANGE: 20230816 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Peiffer Garry L. CENTRAL INDEX KEY: 0001521094 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 231176465 MAIL ADDRESS: STREET 1: C/O MARATHON PETROLEUM CORPORATION STREET 2: 539 S. MAIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MPLX LP CENTRAL INDEX KEY: 0001552000 STANDARD INDUSTRIAL CLASSIFICATION: PIPE LINES (NO NATURAL GAS) [4610] 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 doc4.xml FORM 4 SUBMISSION X0508 4 2023-08-14 0 0001552000 MPLX LP MPLX 0001521094 Peiffer Garry L. C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 1 0 0 0 0 Common Units (Limited Partner Interests) 2023-08-14 4 A 0 993.747 0.00 A 45770.1 D Common Units (Limited Partner Interests) 68497 I By Revocable Trust By Garry L. Peiffer Revocable Trust. 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 Garry L. Peiffer 2023-08-16