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United Microelectronics Corporation

UMC | NYSE
Chart Builder DCF Calculator
$16.68
-$1.36 (-7.54%)
At close: Oct 30, 2026, 4:00 PM ET
$17.00
+$0.32 (+1.92%)
Pre-market: Nov 2, 2026, 8:18 AM ET
90-Day Net Volume
-$230.43M
90-Day Activity
0 Buys / 3 Sales
All-Time Net Volume
-$526.43M
Total Filings
26

Insider Trading Activity

Name Transaction Date Transaction Type Shares Price Value
Lin Jen-tsung Vice President
Sep 22, 2026
S-Sale Commin Shares
10,000 163.00 $1,630,000
Liu Chitung CFO & SVP
Sep 17, 2026
S-Sale Common Shares
400,000 145.00 $58,000,000
Liu Chitung CFO & SVP
Sep 16, 2026
S-Sale Common Shares
1,200,000 142.33 $170,799,600
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