United Microelectronics Corp

UMCNYSE
$19.15
-0.23-1.19%
Last update: Aug 14, 9:45 AM

United Microelectronics Ownership & Insider Activity

United Microelectronics (UMC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Institutional investors hold 2.4%. Over the past 90 days, insiders made 2 sales worth $296.0M.

Shares Outstanding

2.508B

Shares Float

2.341B

Institutional Shares Held

60.774M

Institutional % Held

2.4%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

0

Sales (90d)

2

$296.0M total

Net Activity

Net Selling

Net Value (90d)

-$296.0M

United Microelectronics Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Jul 13, 2026Chitung LiuCFO & SVPSELL1.900M$154.89$294.3M
Jun 30, 2026CHEJEN HUVICE PRESIDENTSELL10.000K$171.30$1.7M