0001209191-21-066345.txt : 20211123 0001209191-21-066345.hdr.sgml : 20211123 20211123141152 ACCESSION NUMBER: 0001209191-21-066345 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211119 FILED AS OF DATE: 20211123 DATE AS OF CHANGE: 20211123 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Kaczynski Thomas CENTRAL INDEX KEY: 0001651939 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 211437201 MAIL ADDRESS: STREET 1: C/O MARATHON PETROLEUM CORPORATION 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 X0306 4 2021-11-19 0 0001552000 MPLX LP MPLX 0001651939 Kaczynski Thomas C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 0 1 0 0 Senior VP, Finance & Treasurer Common Units (Limited Partner Interests) 2021-11-19 4 F 0 173 29.68 D 14738 D The Reporting Person is Senior Vice President, Finance and Treasurer 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 Thomas Kaczynski 2021-11-23