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Sale
Calculated transaction value
$170.8M

Liu Chitung CFO & SVP

Transaction date Sep 16, 2026
Public filing date Sep 17, 2026
Filing lag Filed 1 day later

UMC daily price context

Close on/before transaction
$22.53 Sep 16, 2026
First close after public filing
$24.47 Sep 17, 2026
30-day return after filing
-17.94% Through Oct 19, 2026

Source details

Reported owner
Not disclosed
Source asset code
Security
Security
Common Shares
Quantity / price
1,200,000 shares @ $142.33
SEC ownership
Direct
Transaction code
S
Form
4
Filing identifier
0001193125-26-393652
Filing cohort

Transactions in this filing

Showing 2 of 2
Trades
2
Issuers
1
Estimated value
$228.8M
Buys / sales
0 / 2
Transactions reported in the same official filing
Issuer Transaction Traded Value
United Microelectronics Corp UMC Sale Sep 17, 2026 $58M
United Microelectronics Corp UMC Current Sale Sep 16, 2026 $170.8M