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Insider · CIK 0002133608

Che-Jen Hu

officer

Files at UMC (UNITED MICROELECTRONICS CORP). First filing Jun 30, 2026, latest Jun 30, 2026.

In brief

Che-Jen Hu files SEC Form 4 as officer at UMC (UNITED MICROELECTRONICS CORP). Since Jun 30, 2026, Che-Jen Hu has reported 0 open-market buys worth $0 and 1 open-market sell worth $1.7M, the latest filed on Jun 30, 2026.

A track record needs three past buys with six months of prices behind them; Che-Jen Hu has 0, so none is measured yet.

The newest scored trade: sold $1.7M of UMC on Jun 30, 2026, filed Jun 30, 2026, scored 48 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $1.7M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $1.7M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

UMC: UNITED MICROELECTRONICS CORP

UMCOct 9, 2026 · close 22.96

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
48Moderate
UMCsell 2
UNITED MICROELECTRONICS CORP
$1.7M
10,000 shares
-0%+314% from low-3% from high

Transactions

Every row this insider has filed, 1 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jun 30, 2026UMC
UNITED MICROELECTRONICS CORP
SOpen-market sale
Common Shares
-10,000$171.30$1.7M3,214,080Jun 30, 2026

Questions about Che-Jen Hu

Answered from the filings on this page, as of the latest one.

Is Che-Jen Hu buying or selling?

In the last 12 months Che-Jen Hu reported 0 open-market buys worth $0 and 1 open-market sell worth $1.7M on SEC Form 4; the latest was sold $1.7M of UMC on Jun 30, 2026. Grants, option exercises and tax withholding are not counted.

How did Che-Jen Hu's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Che-Jen Hu has 0.

Where does Che-Jen Hu file Form 4?

Che-Jen Hu has filed Form 4 at UMC (UNITED MICROELECTRONICS CORP) as Vice President. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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: insider trades and track record | InsiderTell