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Stock Insider Trading Activity of Liu Chitung
Liu Chitung
Sell
CFO & SVP
UMC Sep 17, 2026
Avg Cost/Share
$145.00
Shares
400,000
Total Value
$58,000,000.00
Owned After
2,639,757
SEC Form 4
Liu Chitung
Sell
CFO & SVP
UMC Sep 16, 2026
Avg Cost/Share
$142.33
Shares
1,200,000
Total Value
$170,799,600.00
Owned After
2,639,757
SEC Form 4
Liu Chitung
Sell
CFO & SVP
UMC Jul 13, 2026
Avg Cost/Share
$154.89
Shares
1,900,000
Total Value
$294,291,000.00
Owned After
2,639,757
SEC Form 4
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Liu Chitung | UMC | CFO & SVP | Sep 17, 2026 | Sell | $145.00 | 400,000 | $58,000,000.00 | 2,639,757 | |
| Liu Chitung | UMC | CFO & SVP | Sep 16, 2026 | Sell | $142.33 | 1,200,000 | $170,799,600.00 | 2,639,757 | |
| Liu Chitung | UMC | CFO & SVP | Jul 13, 2026 | Sell | $154.89 | 1,900,000 | $294,291,000.00 | 2,639,757 |