<SEC-DOCUMENT>0000899866-19-000040-index.html : 20190304
<SEC-HEADER>0000899866-19-000040.hdr.sgml : 20190304
<ACCEPTANCE-DATETIME>20190304174057
ACCESSION NUMBER:		0000899866-19-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190228
FILED AS OF DATE:		20190304
DATE AS OF CHANGE:		20190304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAW ANNE-MARIE
		CENTRAL INDEX KEY:			0001409438

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27756
		FILM NUMBER:		19655459

	MAIL ADDRESS:	
		STREET 1:		C/O BAXALTA INCORPORATED
		STREET 2:		1200 LAKESIDE DRIVE
		CITY:			BANNOCKBURN
		STATE:			IL
		ZIP:			60015

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALEXION PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0000899866
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133648318
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		121 SEAPORT BOULEVARD
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		4752302596

	MAIL ADDRESS:	
		STREET 1:		121 SEAPORT BOULEVARD
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALEXION PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19960111
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155173924299136.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_155173924299136.html

Document 1 - RAW XML: wf-form4_155173924299136.xml

</DOCUMENT>
</SEC-DOCUMENT>