Form4insider filings, from the source

Insider · CIK 0002133616

Jen-Tsung Lin

Files at: UMC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.6M · 1net −$1.6M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 21Sep 21Sep 21Sep 22Sep 22Sep 22Sep 23

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 SForm 4 →Sep 22, 6:11 am EDTUNITED MICROELECTRONICS CORPUMC10,000$163.00$1,630,0001,172,140−0.85%

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.