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$UMC
$19.18 +$0.29 (1.54%) Close

$UMC SEC Filings

Filed On Filing
23 Oct 2026 6-K
13 Oct 2026 6-K
06 Oct 2026 6-K
05 Oct 2026 6-K/A
05 Oct 2026 6-K
29 Sep 2026 6-K
22 Sep 2026 Form 4: Lin Jen-tsung, Vice President

Sold 10,000 shares ($1.63M)

18 Sep 2026 Form 3: Yen Hung-yu, CHRO & VP

Holds 339,682 shares of Common Shares

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)

04 Sep 2026 6-K
02 Sep 2026 6-K
26 Aug 2026 6-K
14 Aug 2026 6-K
06 Aug 2026 6-K
05 Aug 2026 6-K
30 Jul 2026 6-K
29 Jul 2026 6-K
29 Jul 2026 6-K
21 Jul 2026 6-K

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