Chitung Liu sold $229M of UMC
CFO & SVP at UNITED MICROELECTRONICS CORP. 1,600,000 shares at an average of $143.00, traded Sep 16, 2026, filed Sep 17, 2026.
Score components
- +22RoleCFO
- +25Trade size$228.8M at market
- +10Share of holdings soldSold 38% of holdings
- +8Cluster2 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-393652, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | SOpen-market sale Common Shares | -1,200,000 | $142.33 | $171M | 3,039,757 | 27 d ago |
| Sep 17, 2026 | SOpen-market sale Common Shares | -400,000 | $145.00 | $58M | 2,639,757 | 27 d ago |
Related signals
Other insiders at UNITED MICROELECTRONICS CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 48Moderate | UNITED MICROELECTRONICS CORP | Jen-Tsung Lin Vice President | $1.6M 10,000 shares | -1% | |
| 65Notable | UNITED MICROELECTRONICS CORP | Chitung Liu CFO & SVP | $294M 1,900,000 shares | -36% | |
| 48Moderate | UNITED MICROELECTRONICS CORP | Che-Jen Hu Vice President | $1.7M 10,000 shares | -0% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.