<SEC-DOCUMENT>0001595974-18-000128-index.html : 20181116
<SEC-HEADER>0001595974-18-000128.hdr.sgml : 20181116
<ACCEPTANCE-DATETIME>20181116193608
ACCESSION NUMBER:		0001595974-18-000128
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181115
FILED AS OF DATE:		20181116
DATE AS OF CHANGE:		20181116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BARRETT MICHAEL G.
		CENTRAL INDEX KEY:			0001100612

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36384
		FILM NUMBER:		181191040

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		310-207-0272

	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

	FORMER NAME:	
		FORMER CONFORMED NAME:	BARRETT MICHAEL
		DATE OF NAME CHANGE:	19991207

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_154241495057074.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_154241495057074.html

Document 1 - RAW XML: wf-form4_154241495057074.xml

</DOCUMENT>
</SEC-DOCUMENT>