SU YU-CHIAO

PrivateCIK: 2114602

SU YU-CHIAO enters CHIPMOS TECHNOLOGIES INC with 1.18M shares across direct and indirect positions

This filing by SU YU-CHIAO (Vice President) establishes the baseline for all future Form 4 insider transaction reports at CHIPMOS TECHNOLOGIES INC.

Direct Indirect
InsiderSU YU-CHIAOCIK 2114602
IssuerCHIPMOS TECHNOLOGIES INCCIK 1123134
DirectorOfficer· Vice President
Since Mar 2026
1.18M
Baseline shares
29% direct
346.10K
Direct ownership
1 position
0.00
Derivative underlying
0 instruments
2
Security positions
830K indirect
Non-Derivative Holdings2

Common Stock

Direct
Shares owned346.10K

Common Stock

Indirect
Shares owned830K
Total
346.10K direct·830K indirect1.18M
Derivative Holdings0
No derivative holdings reported
SU YU-CHIAO — Initial Ownership Disclosure (Form 3) Filed Mar 13, 2026 | Finecho