Jen-tsung Lin, Vice President, on September 22, 2026, sold 10,000 shares in United Microelectronics (UMC) for $1,630,000. Following the Form 4 filing with the SEC, Lin has control over a total of 1,172,140 common shares of the company, with 1,172,140 shares held directly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/1033767/000119312526397195/xslF345X05/ownership.xml