<SEC-DOCUMENT>0001193125-25-193310-index.html : 20250902
<SEC-HEADER>0001193125-25-193310.hdr.sgml : 20250902
<ACCEPTANCE-DATETIME>20250902062438
ACCESSION NUMBER:		0001193125-25-193310
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20250902
FILED AS OF DATE:		20250902
DATE AS OF CHANGE:		20250902

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHIPMOS TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001123134
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			F5
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37928
		FILM NUMBER:		251282869

	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>6-K
<SEQUENCE>1
<FILENAME>repurchase_shares_250902.htm
<DESCRIPTION>6-K
<TEXT>
Document 1 - file: repurchase_shares_250902.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>imos-ex99_1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: imos-ex99_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img9907805_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img9907805_0.jpg

</DOCUMENT>
</SEC-DOCUMENT>