<SEC-DOCUMENT>0001193125-26-104960-index.html : 20260416
<SEC-HEADER>0001193125-26-104960.hdr.sgml : 20260416
<ACCEPTANCE-DATETIME>20260313060559
ACCESSION NUMBER:		0001193125-26-104960
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20260313
FILED AS OF DATE:		20260313
DATE AS OF CHANGE:		20260313

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tang Yuh-Fong
		CENTRAL INDEX KEY:			0002114287
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37928
		FILM NUMBER:		26749930

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		C/O NO 1 R&D ROAD 1 HSINCHU SCIENCE PARK
		CITY:			HSINCHU
		PROVINCE COUNTRY:   	F5
		ZIP:			300

ISSUER:		

	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

	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>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>imos-ex24.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: imos-ex24.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img110622669_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img110622669_0.jpg

</DOCUMENT>
</SEC-DOCUMENT>