Form4insider filings, from the source

Insider · CIK 0002133608

Che-Jen Hu

Files at: UMC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.7M · 1net −$1.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 29Jun 29Jun 29Jun 30Jun 30Jun 30Jul 1

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 SForm 4 →Jun 30, 9:48 pm EDTUNITED MICROELECTRONICS CORPUMC10,000$171.30$1,713,0003,214,080−0.31%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.