<SEC-DOCUMENT>0001193125-21-153381-index.html : 20210506
<SEC-HEADER>0001193125-21-153381.hdr.sgml : 20210506
<ACCEPTANCE-DATETIME>20210506164359
ACCESSION NUMBER:		0001193125-21-153381
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20210506
DATE AS OF CHANGE:		20210506

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			II-VI INC
		CENTRAL INDEX KEY:			0000820318
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		IRS NUMBER:				251214948
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-255547
		FILM NUMBER:		21898590

	BUSINESS ADDRESS:	
		STREET 1:		375 SAXONBURG BLVD
		CITY:			SAXONBURG
		STATE:			PA
		ZIP:			16056
		BUSINESS PHONE:		724-352-4455

	MAIL ADDRESS:	
		STREET 1:		375 SAXONBURG BLVD
		CITY:			SAXONBURG
		STATE:			PA
		ZIP:			16056
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d150472d424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: d150472d424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g150472g02a45.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g150472g02a45.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g150472g02a50.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g150472g02a50.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g150472g24a03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g150472g24a03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g150472g33f71.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g150472g33f71.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g150472g40j37.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g150472g40j37.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g150472g52i79.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g150472g52i79.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g150472g67h45.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g150472g67h45.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g150472g78i98.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g150472g78i98.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g150472g85y89.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g150472g85y89.jpg

</DOCUMENT>
</SEC-DOCUMENT>