| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2019-01-28 | GIC Private Ltd | CHIPMOS TECHNOLOGIES INC | 34,930,370 | 4.8% | EDGAR |
| SC 13G | 2018-03-21 | GIC Private Ltd | CHIPMOS TECHNOLOGIES INC | 46,946,000 | 5.5% | EDGAR |
| SC 13G/A | 2018-02-13 | BAUPOST GROUP LLC/MA | CHIPMOS TECHNOLOGIES INC | 29,408,160 | 3.3% | EDGAR |
| SC 13G | 2017-02-14 | BAUPOST GROUP LLC/MA | CHIPMOS TECHNOLOGIES INC | 70,197,160 | 8.2% | EDGAR |