United Microelectronics Corporation (NEW)

Last updated September 27, 2026

Organization details

Legal name
United Microelectronics Corporation (NEW)
Ownership
Public
Status
Active
Headquarters country
Taiwan
Ticker symbol
UMC
Primary stock exchange
NYSE

Identifiers

SEC CIK
0001033767

Board of directors

Chief executives

Jason Shi Wang · Chief Executive Officer
Since March 2026

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$526,433,600
5 sales by 3 insiders
Date Insider Transaction Shares Price Value
Sep 22, 2026 LIN JEN-TSUNG Officer (Vice President) Open-market sale −10,000 $163.00 $1,630,000
Sep 17, 2026 Liu Chitung Officer (CFO & SVP) Open-market sale −400,000 $145.00 $58,000,000
Sep 16, 2026 Liu Chitung Officer (CFO & SVP) Open-market sale −1,200,000 $142.33 $170,799,600
Sep 7, 2026 Liu Chitung Officer (CFO & SVP) Other +1,000,000 — —
Sep 7, 2026 Liu Chitung Officer (CFO & SVP) Other −1,000,000 — —
Jul 13, 2026 Liu Chitung Officer (CFO & SVP) Open-market sale −1,900,000 $154.89 $294,291,000
Jun 30, 2026 HU CHE-JEN Officer (Vice President) Open-market sale −10,000 $171.30 $1,713,000

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