UMCUNITED MICROELECTRONICS CORP

Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-07-13.

Set an alert for UMC
Insider buys (90d)
$0.00
Insider sells (90d)
$296.00M
Net flow
$-296.00M
Filings
2
Buy transactions
0
Sell transactions
2
Distinct insiders
2
Last close (cached)
$18.79
as of 2026-08-10
1d return
+0.4%
5d return
+0.5%
1m return
-22.8%

Top insiders trading UMC (90d)

Recent transactions (2)

FiledTxn dateInsiderCodeSharesPriceValueFiling
2026-07-132026-07-13Liu Chitung
Sale1,900,000$154.89$294.29Mopen →
2026-07-012026-06-30HU CHE-JEN
Sale10,000$171.30$1.71Mopen →

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