0001595974-19-000012.txt : 20190117 0001595974-19-000012.hdr.sgml : 20190117 20190117203102 ACCESSION NUMBER: 0001595974-19-000012 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190115 FILED AS OF DATE: 20190117 DATE AS OF CHANGE: 20190117 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Prusz Joseph R CENTRAL INDEX KEY: 0001721039 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 19531967 MAIL ADDRESS: STREET 1: C/O THE RUBICON PROJECT, INC. STREET 2: 12181 BLUFF CREEK DRIVE, 4TH FLOOR CITY: PLAYA VISTA STATE: CA ZIP: 90094 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: RUBICON PROJECT, INC. CENTRAL INDEX KEY: 0001595974 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370] IRS NUMBER: 208881738 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 12181 BLUFF CREEK DRIVE, 4TH FLOOR CITY: LOS ANGELES STATE: CA ZIP: 90094 BUSINESS PHONE: 310-207-0272 MAIL ADDRESS: STREET 1: 12181 BLUFF CREEK DRIVE, 4TH FLOOR CITY: LOS ANGELES STATE: CA ZIP: 90094 4 1 wf-form4_154777504569374.xml FORM 4 X0306 4 2019-01-15 0 0001595974 RUBICON PROJECT, INC. RUBI 0001721039 Prusz Joseph R C/O THE RUBICON PROJECT, INC. 12181 BLUFF CREEK DRIVE, 4TH FL LOS ANGELES CA 90094 0 1 0 0 Global Chief Revenue Officer Common Stock 2019-01-15 4 F 0 18976 4.02 D 236059 D Shares withheld by the issuer to cover the reporting person's tax liability incurred upon the vesting of the reporting person's restricted stock units. /s/ Jonathan Feldman, attorney-in-fact 2019-01-17