<SEC-DOCUMENT>0001140361-21-001735-index.html : 20210121
<SEC-HEADER>0001140361-21-001735.hdr.sgml : 20210121
<ACCEPTANCE-DATETIME>20210121161004
ACCESSION NUMBER:		0001140361-21-001735
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210121
DATE AS OF CHANGE:		20210121

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HOLOGIC INC
		CENTRAL INDEX KEY:			0000859737
		STANDARD INDUSTRIAL CLASSIFICATION:	X-RAY APPARATUS & TUBES & RELATED IRRADIATION APPARATUS [3844]
		IRS NUMBER:				042902449
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0928

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36214
		FILM NUMBER:		21542100

	BUSINESS ADDRESS:	
		STREET 1:		250 CAMPUS DRIVE
		CITY:			MARLBOROUGH
		STATE:			MA
		ZIP:			01752
		BUSINESS PHONE:		5082632900

	MAIL ADDRESS:	
		STREET 1:		250 CAMPUS DRIVE
		CITY:			MARLBOROUGH
		STATE:			MA
		ZIP:			01752
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>nc10015269x2_def1a4a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: nc10015269x2_def1a4a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img001_v1.jpg
<TEXT>
Document 2 - file: img001_v1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img002_v1.jpg
<TEXT>
Document 3 - file: img002_v1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>nc10015269x2_rclogo.jpg
<TEXT>
Document 4 - file: nc10015269x2_rclogo.jpg

</DOCUMENT>
</SEC-DOCUMENT>