<SEC-DOCUMENT>0001193125-26-089107-index.html : 20260303
<SEC-HEADER>0001193125-26-089107.hdr.sgml : 20260303
<ACCEPTANCE-DATETIME>20260303185025
ACCESSION NUMBER:		0001193125-26-089107
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260301
FILED AS OF DATE:		20260303
DATE AS OF CHANGE:		20260303

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Horn Howard
		CENTRAL INDEX KEY:			0001786335
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36276
		FILM NUMBER:		26717663

	MAIL ADDRESS:	
		STREET 1:		C/O ULTRAGENYX PHARMACEUTICAL INC.
		STREET 2:		60 LEVERONI COURT
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ultragenyx Pharmaceutical Inc.
		CENTRAL INDEX KEY:			0001515673
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>