6 transactions on file, per SEC Form 4 filings.
See UMC superinvestor activity →LIN JEN-TSUNG
Vice President · 2026-09-22
Sold
$1.6M
Liu Chitung
CFO & SVP · 2026-09-17
Sold
$58.0M
Liu Chitung
CFO & SVP · 2026-09-16
Sold
$170.8M
Liu Chitung
CFO & SVP · 2026-09-07
J-Other
1,000,000 sh
Liu Chitung
CFO & SVP · 2026-07-13
Sold
$294.3M
HU CHE-JEN
Vice President · 2026-06-30
Sold
$1.7M
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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