<SEC-DOCUMENT>0001193125-21-167135-index.html : 20210520
<SEC-HEADER>0001193125-21-167135.hdr.sgml : 20210520
<ACCEPTANCE-DATETIME>20210520061028
ACCESSION NUMBER:		0001193125-21-167135
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		1
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<ITEM-NUMBER>1.01
<ITEM-PERIOD>20201231
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FILED AS OF DATE:		20210520
DATE AS OF CHANGE:		20210520

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHIPMOS TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001123134
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			F5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37928
		FILM NUMBER:		21942285

	BUSINESS ADDRESS:	
		STREET 1:		NO. 1, R & D ROAD 1
		STREET 2:		HSINCHU SCIENCE PARK, HSINCHU
		CITY:			TAIWAN
		STATE:			F5
		ZIP:			00000
		BUSINESS PHONE:		866-3-5770055

	MAIL ADDRESS:	
		STREET 1:		NO. 1, R & D ROAD 1
		STREET 2:		HSINCHU SCIENCE PARK, HSINCHU
		CITY:			TAIWAN
		STATE:			F5
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>d181034dsd.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: d181034dsd.htm

</DOCUMENT>
</SEC-DOCUMENT>