TSAI TENG-YUEH

PrivateCIK: 2114129

TSAI TENG-YUEH enters CHIPMOS TECHNOLOGIES INC with 1.09M shares across direct and indirect positions

This filing by TSAI TENG-YUEH (Executive Vice President) establishes the baseline for all future Form 4 insider transaction reports at CHIPMOS TECHNOLOGIES INC.

Direct Indirect
InsiderTSAI TENG-YUEHCIK 2114129
IssuerCHIPMOS TECHNOLOGIES INCCIK 1123134
Officer· Executive Vice President
Since Mar 2026
1.09M
Baseline shares
25% direct
272.57K
Direct ownership
1 position
0.00
Derivative underlying
0 instruments
2
Security positions
820K indirect
Non-Derivative Holdings2

Common Stock

Direct
Shares owned272.57K

Common Stock

Indirect
Shares owned820K
Total
272.57K direct·820K indirect1.09M
Derivative Holdings0
No derivative holdings reported
TSAI TENG-YUEH — Initial Ownership Disclosure (Form 3) Filed Mar 13, 2026 | Finecho