<SEC-DOCUMENT>0001193125-22-040411-index.html : 20220214
<SEC-HEADER>0001193125-22-040411.hdr.sgml : 20220214
<ACCEPTANCE-DATETIME>20220214111700
ACCESSION NUMBER:		0001193125-22-040411
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220214
DATE AS OF CHANGE:		20220214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HERON THERAPEUTICS, INC. /DE/
		CENTRAL INDEX KEY:			0000818033
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				942875566
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39444
		FILM NUMBER:		22627242

	BUSINESS ADDRESS:	
		STREET 1:		4242 CAMPUS POINT COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		8582514400

	MAIL ADDRESS:	
		STREET 1:		4242 CAMPUS POINT COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AP PHARMA INC /DE/
		DATE OF NAME CHANGE:	20010511

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANCED POLYMER SYSTEMS INC /DE/
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UBS OCONNOR LLC
		CENTRAL INDEX KEY:			0001132716
		IRS NUMBER:				061569842
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		ONE NORTH WACKER DRIVE 31ST FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3125256000

	MAIL ADDRESS:	
		STREET 1:		ONE NORTH WACKER DRIVE 31ST FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d312547dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d312547dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>