United Microelectronics Corporation (NEW)

Last updated September 27, 2026

Organization details

Legal name
United Microelectronics Corporation (NEW)
Ownership
Public
Status
Active
Sector (GICS)
Information Technology
SIC code
3674 — Semiconductors & Related Devices
Jurisdiction of incorporation
Taiwan
Headquarters city
Taipei
Headquarters country
Taiwan
Fiscal year end
December
Ticker symbol
UMC
Primary stock exchange
NYSE

Identifiers

SEC CIK
0001033767
Wikidata ID
Q143616

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
$526,430,000
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 $170,796,000
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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Questions about United Microelectronics Corporation (NEW)

Who is the CEO of United Microelectronics Corporation (NEW)?

Jason Shi Wang has been United Microelectronics Corporation (NEW)'s Chief Executive Officer since March 2026.

How many directors are on United Microelectronics Corporation (NEW)'s board?

United Microelectronics Corporation (NEW)'s board has 9 directors: Chia-Tsung Hung, Jason Shi Wang, Jyuo-Min Shyu, Kuang-Si Shiu, Lih-Juann Chen, Ling-Ling Wu, Ming-Chih Hsu, Su-Lin Wang and Wen Hsin Hsu.

Are United Microelectronics Corporation (NEW) insiders buying or selling shares?

Over the last 12 months, United Microelectronics Corporation (NEW) insiders made no open-market purchases and sold $526.4 million of shares in 5 sales on the open market, as reported to the SEC on Forms 4 and 5.

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