<SEC-DOCUMENT>0001104659-22-061385-index.html : 20220516
<SEC-HEADER>0001104659-22-061385.hdr.sgml : 20220516
<ACCEPTANCE-DATETIME>20220516163325
ACCESSION NUMBER:		0001104659-22-061385
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220516
DATE AS OF CHANGE:		20220516
GROUP MEMBERS:		PETER KOLCHINSKY
GROUP MEMBERS:		RA CAPITAL HEALTHCARE FUND, L.P.
GROUP MEMBERS:		RAJEEV SHAH

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/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-85795
		FILM NUMBER:		22929895

	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:			RA CAPITAL MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001346824
		IRS NUMBER:				830406777
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-2500

	MAIL ADDRESS:	
		STREET 1:		200 BERKELEY STREET, 18TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA CAPITAL MANAGEMENT, LLC
		DATE OF NAME CHANGE:	20051213
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm2215250-1_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: tm2215250-1_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>