Chitung Liu, CFO & SVP at United Microelectronics, sold UMC on Sep 16, 2026
Data as of Oct 16
- Traded
- Sep 16, 2026
- Disclosed
- Sep 17, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
UMC since disclosure
−19.0%
after the sale
Similar stocks (XLK) since disclosure
−2.4%
XLK — its sector index fund
Change in closing price from Sep 17, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.
Other trades in the same filing
- ▼ SELLChitung Liu CFO & SVPUMC United Microelectronics Corp$58Mdisclosed Sep 17 · filed the same day