<SEC-DOCUMENT>0001011438-21-000103-index.html : 20210212
<SEC-HEADER>0001011438-21-000103.hdr.sgml : 20210212
<ACCEPTANCE-DATETIME>20210212161334
ACCESSION NUMBER:		0001011438-21-000103
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210212
DATE AS OF CHANGE:		20210212
GROUP MEMBERS:		CADIAN CAPITAL MANAGEMENT GP, LLC
GROUP MEMBERS:		ERIC BANNASCH

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZOGENIX, INC.
		CENTRAL INDEX KEY:			0001375151
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				205300780
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-85795
		FILM NUMBER:		21627477

	BUSINESS ADDRESS:	
		STREET 1:		5959 HORTON STREET, SUITE 500
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		(510) 550-8300

	MAIL ADDRESS:	
		STREET 1:		5959 HORTON STREET, SUITE 500
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZOGENIX INC
		DATE OF NAME CHANGE:	20060911

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CADIAN CAPITAL MANAGEMENT, LP
		CENTRAL INDEX KEY:			0001423686
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		535 MADISON AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-792-8800

	MAIL ADDRESS:	
		STREET 1:		535 MADISON AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CADIAN CAPITAL MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20080111
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>form_sc13g-zogenix.htm
<TEXT>
Document 1 - file: form_sc13g-zogenix.htm

</DOCUMENT>
</SEC-DOCUMENT>