Ticker: UMC CUSIP: 910873405 Class: ADR
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,474,210 | $11,587 | — | — |
| Q3 2025 | 1,496,318 | $11,342 | — | — |
| Q2 2025 | 1,486,004 | $11,368 | — | — |
| Q1 2025 | 1,671,086 | $11,948 | — | — |
| Q4 2021 | 1,211,746 | $14,177,428 | — | — |
| Q3 2021 | 1,692,939 | $19,350,293 | — | — |
| Q2 2021 | 4,475 | $42,289 | — | — |
| Q1 2021 | 7,380 | $67,232 | — | — |
| Q4 2020 | 158,615 | $1,337,124 | — | — |
| Q3 2020 | 159,925 | $766,041 | — | — |
| Q2 2020 | 160,103 | $422,672 | — | — |
| Q1 2020 | 158,791 | $344,576 | — | — |
| Q4 2019 | 161,056 | $431,630 | — | — |
| Q3 2019 | 160,356 | $335,144 | — | — |
| Q2 2019 | 162,859 | $359,918 | — | — |
| Q1 2019 | 156,304 | $293,852 | — | — |
| Q4 2018 | 156,304 | $279,784 | — | — |
| Q3 2018 | 166,332 | $429,137 | — | — |
| Q2 2018 | 649,927 | $1,832,794 | — | — |
| Q1 2018 | 156,304 | $404,827 | — | — |
| Q4 2017 | 168,711 | $403,219 | — | — |
| Q3 2017 | 186,244 | $465,610 | — | — |
| Q2 2017 | 173,831 | $424,148 | — | — |
| Q1 2017 | 169,666 | $327,455 | — | — |
| Q4 2016 | 157,943 | $276,400 | — | — |
| Q3 2016 | 199,279 | $368,666 | — | — |
| Q2 2016 | 356,304 | $709,045 | — | — |
| Q1 2016 | 356,304 | $741,112 | — | — |
| Q4 2015 | 356,304 | $669,852 | — | — |
| Q3 2015 | 356,304 | $577,213 | — | — |
| Q2 2015 | 356,304 | $730,423 | — | — |
| Q1 2015 | 356,304 | $869,382 | — | — |
| Q4 2014 | 133,355 | $302,716 | — | — |
| Q3 2014 | 133,355 | $265,376 | — | — |
| Q2 2014 | 133,355 | $321,386 | — | — |
| Q1 2014 | 165,239 | $360,221 | — | — |