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UNITED MICROELECTRONICS CORP

UMC Net selling

CIK 0001033767 #591 in the set updated 17 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$296.00M

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$296.00M

2 of 2 sales

Net

−$296.00M

−$296.00M against sales at will

By person

2 insiders · 2 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Liu Chitung

CFO & SVP

—

$294.29M (1)

−$294.29M

5,472,917

0.0435%

$847.70M

−25.8%

HU CHE-JEN

Vice President

—

$1.71M (1)

−$1.71M

3,214,080

0.0255%

$497.83M

−0.3%

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 3

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 2

Transactions with no price 0

Shares from compensation/vesting 2,000,000

History held since 30 Jun 2026