Company
UMC · CIK 0001033767
Sale of 10,000 shares at $163 per share.
Reporting Person LIN JEN-TSUNG · Officer Title Vice President · Transaction Code S
Traded Sep 22, 2026 · Disclosed Sep 22, 2026
Source: SEC Form 4 · 0001193125-26-397195 · filed 2026-09-22 · View filing →
Sale of 400,000 shares at $145 per share.
Reporting Person Liu Chitung · Officer Title CFO & SVP · Transaction Code S
Traded Sep 17, 2026 · Disclosed Sep 17, 2026
Source: SEC Form 4 · 0001193125-26-393652 · filed 2026-09-17 · View filing →
Sale of 1,200,000 shares at $142.333 per share.
Reporting Person Liu Chitung · Officer Title CFO & SVP · Transaction Code S
Traded Sep 16, 2026 · Disclosed Sep 17, 2026
Source: SEC Form 4 · 0001193125-26-393652 · filed 2026-09-17 · View filing →