Shih Jye Cheng - 16 Mar 2026 Form 3 Insider Report for CHIPMOS TECHNOLOGIES INC (IMOS)

Signature
/s/ Hsiu-Ling Teng, attorney-in-fact
Issuer symbol
IMOS
Transactions as of
16 Mar 2026
Net transactions value
$0
Form type
3
Filing time
16 Mar 2026, 06:20:03 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cheng Shih Jye President, Director C/O NO 1 R&D ROAD 1, HSINCHU SCIENCE PARK, HSINCHU, TAIWAN /s/ Hsiu-Ling Teng, attorney-in-fact 16 Mar 2026 0001345439

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding IMOS Common Stock 5,160,161 16 Mar 2026 Direct
holding IMOS Common Stock 6,244,777 16 Mar 2026 By Hao Hsiang Investment Co., Ltd. F1
holding IMOS Common Stock 1,000,000 16 Mar 2026 By Spouse
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shih-Jye Cheng serves as the representative and director of Hao Hsiang Investment Co., Ltd.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney