0001209191-12-051487.txt : 20121102 0001209191-12-051487.hdr.sgml : 20121102 20121102170725 ACCESSION NUMBER: 0001209191-12-051487 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20121031 FILED AS OF DATE: 20121102 DATE AS OF CHANGE: 20121102 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Pierson Craig O. CENTRAL INDEX KEY: 0001557071 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 121177598 MAIL ADDRESS: STREET 1: 200 E. HARDIN 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: 455010536 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 E. HARDIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 BUSINESS PHONE: (419) 421-2582 MAIL ADDRESS: STREET 1: 200 E. HARDIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2012-10-31 0 0001552000 MPLX LP MPLX 0001557071 Pierson Craig O. C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 0 1 0 0 Vice President, Operations Common Units (Limited Partner Interests) 2012-10-31 4 P 0 3250 22.00 A 3250 D The Reporting Person is the Vice President, Operations of MPXL 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 Craig O. Pierson 2012-11-02