Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001193125-26-104952
Filing Date
2026-03-13
Accepted
2026-03-13 06:05:03
Documents
3
Period of Report
2026-03-13

Document Format Files

Seq Description Document Type Size
1 3 ownership.html 3  
1 3 ownership.xml 3 1541
2 EX-24 imos-ex24.htm EX-24 22605
3 GRAPHIC img110622669_0.jpg GRAPHIC 48073
  Complete submission text file 0001193125-26-104952.txt   86601
Mailing Address NO. 1, R & D ROAD 1 HSINCHU SCIENCE PARK, HSINCHU TAIWAN F5 00000
Business Address NO. 1, R & D ROAD 1 HSINCHU SCIENCE PARK, HSINCHU TAIWAN F5 00000 866-3-5770055
CHIPMOS TECHNOLOGIES INC (Issuer) CIK: 0001123134 (see all company filings)

EIN.: 000000000 | State of Incorp.: F5 | Fiscal Year End: 1231
SIC: 3674 Semiconductors & Related Devices
(CF Office: 04 Manufacturing)

Mailing Address C/O NO 1 R&D ROAD 1 HSINCHU SCIENCE PARK HSINCHU Taiwan 300
Business Address
Yang Hong-Tzer (Reporting) CIK: 0002114141 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-37928 | Film No.: 26749919