<SEC-DOCUMENT>0000899243-19-000879-index.html : 20190109
<SEC-HEADER>0000899243-19-000879.hdr.sgml : 20190109
<ACCEPTANCE-DATETIME>20190109193706
ACCESSION NUMBER:		0000899243-19-000879
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190107
FILED AS OF DATE:		20190109
DATE AS OF CHANGE:		20190109

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PERCEPTIVE ADVISORS LLC
		CENTRAL INDEX KEY:			0001224962
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36282
		FILM NUMBER:		19519044

	BUSINESS ADDRESS:	
		STREET 1:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		646-205-5300

	MAIL ADDRESS:	
		STREET 1:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PERCEPTIVE LIFE SCIENCES MASTER FUND LTD
		CENTRAL INDEX KEY:			0001249675
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36282
		FILM NUMBER:		19519045

	BUSINESS ADDRESS:	
		STREET 1:		C/O PERCEPTIVE ADVISORS LLC
		STREET 2:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		646-205-5340

	MAIL ADDRESS:	
		STREET 1:		C/O PERCEPTIVE ADVISORS LLC
		STREET 2:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EDELMAN JOSEPH
		CENTRAL INDEX KEY:			0001164426

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36282
		FILM NUMBER:		19519046

	MAIL ADDRESS:	
		STREET 1:		C/O PERCEPTIVE ADVISORS LLC
		STREET 2:		51 ASTOR PLACE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LA JOLLA PHARMACEUTICAL CO
		CENTRAL INDEX KEY:			0000920465
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				330361285
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4550 TOWNE CENTRE COURT
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-207-4264

	MAIL ADDRESS:	
		STREET 1:		4550 TOWNE CENTRE COURT
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>