Skip to content
sellModerate cluster of 2

Che-Jen Hu sold $1.7M of UMC

Vice President at UNITED MICROELECTRONICS CORP. 10,000 shares at an average of $171.30, traded Jun 30, 2026, filed Jun 30, 2026.

Warning score
48
Value
$1.7M
10,000 shares
Holdings after
3,214,080
-0% from before
From 52-week low
+314%
low $6.47, close $26.74
From 52-week high
-3%
high $27.53, as of Jun 30, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.7M at market
    +25
  • Share of holdings sold
    Sold 0.3% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

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.

UMCOct 12, 2026 · close 22.55
Since filing Jun 30, 2026: -15.7%SPY +4.5% · excess -20.1%

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 0001193125-26-291233, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 30, 2026SOpen-market sale
Common Shares
-10,000$171.30$1.7M3,214,080Jun 30, 2026

Related signals

Other insiders at UNITED MICROELECTRONICS CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
UMCsell 2
UNITED MICROELECTRONICS CORP
Jen-Tsung Lin
Vice President
$1.6M
10,000 shares
-1%
65Notable
UMCsell 2
UNITED MICROELECTRONICS CORP
Chitung Liu
CFO & SVP
$229M
1,600,000 shares
-38%
65Notable
UMCsell 2
UNITED MICROELECTRONICS CORP
Chitung Liu
CFO & SVP
$294M
1,900,000 shares
-36%

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.

Che-Jen Hu sold $1.7M of UMC | InsiderTell