$UMC 4 SEC Filings

Filed On	Filing
22 Sep 2026	Form 4: Lin Jen-tsung, Vice President Sold 10,000 shares ($1.63M)
17 Sep 2026	Form 4: Liu Chitung, CFO & SVP Sold 1,200,000 shares ($171M) · Sold 400,000 shares ($58M)
08 Sep 2026	Form 4: Liu Chitung, CFO & SVP Acquired 1,000,000 shares (Other Transaction) · Disposed of 1,000,000 shares (Other Transaction)
13 Jul 2026	Form 4: Liu Chitung, CFO & SVP Sold 1,900,000 shares ($294M)
30 Jun 2026	Form 4: Hu Che-jen, Vice President Sold 10,000 shares ($1.71M)

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