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UNITED MICROELECTRONICS CORP - UMC
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Manufacturing
Electronics
Semiconductors & Related Devices
Include option trades
Include indirect trades
Latest data: 10/28/2026 10:01:44 PM
EDGAR CIK
0001033767
1 Month
3 Month
6 Month
1 Year
2 Years
Buy Breakdown
Total $0
No buy transactions for this time period.
Sell Breakdown
Total $526,433,600
Monthly Totals
Transaction
Filed
Name
Type
Shares @ Price
Value
Balance change
Ownership
09/22/2026
09/22/2026
Lin Jen-Tsung
Vice President
Officer
Sell
-10,000 @ $163.00
($1,630,000.00)
1,172,140
(-0.85%)
Direct
09/17/2026
09/17/2026
Liu Chitung
CFO & SVP
CFO
Sell
-400,000 @ $145.00
($58,000,000.00)
2,639,757
(-13.16%)
Direct
09/16/2026
09/17/2026
Liu Chitung
CFO & SVP
CFO
Sell
-1,200,000 @ $142.33
($170,799,600.00)
3,039,757
(-28.30%)
Direct
07/13/2026
07/13/2026
Liu Chitung
CFO & SVP
CFO
Sell
-1,900,000 @ $154.89
($294,291,000.00)
3,322,917
(-36.38%)
Direct
06/30/2026
06/30/2026
Hu Che-Jen
Vice President
Officer
Sell
-10,000 @ $171.30
($1,713,000.00)
3,214,080
(-0.31%)
Direct