<SEC-HEADER>0001209191-17-016080.hdr.sgml : 20170301
<ACCEPTANCE-DATETIME>20170301175404
ACCESSION NUMBER:		0001209191-17-016080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170301
FILED AS OF DATE:		20170301
DATE AS OF CHANGE:		20170301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ultragenyx Pharmaceutical Inc.
		CENTRAL INDEX KEY:			0001515673
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				272546083
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		60 LEVERONI COURT
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949
		BUSINESS PHONE:		415-483-8800

	MAIL ADDRESS:	
		STREET 1:		60 LEVERONI COURT
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Pinion John Richard
		CENTRAL INDEX KEY:			0001648096

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36276
		FILM NUMBER:		17656074

	MAIL ADDRESS:	
		STREET 1:		60 LEVERONI COURT
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949
</SEC-HEADER>