Lin Jen-tsung
Vice President
Sale
Calculated transaction value
$1.63M
10,000 shares @ $163
Traded
Sep 22, 2026
Filed
Sep 22, 2026
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United Microelectronic Corp
UMC
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
7 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Lin Jen-tsung Vice President | Sep 22, 2026 Same-day filing | Sale Sep 22, 2026 | $1.63M Filed shares x price | SEC Form 4 View filing | |
| Liu Chitung CFO & SVP | Sep 17, 2026 Same-day filing | Sale Sep 17, 2026 | $58M Filed shares x price | SEC Form 4 View filing | |
| Liu Chitung CFO & SVP | Sep 17, 2026 1-day lag | Sale Sep 16, 2026 | $170.8M Filed shares x price | SEC Form 4 View filing | |
| Liu Chitung CFO & SVP | Sep 8, 2026 1-day lag | Other Sep 7, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Liu Chitung CFO & SVP | Sep 8, 2026 1-day lag | Other Sep 7, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Liu Chitung CFO & SVP | Jul 13, 2026 Same-day filing | Sale Jul 13, 2026 | $294.29M Filed shares x price | SEC Form 4 View filing | |
| Hu Che Jen Vice President | Jun 30, 2026 Same-day filing | Sale Jun 30, 2026 | $1.71M Filed shares x price | SEC Form 4 View filing |
Liu Chitung
CFO & SVP
Sale
Calculated transaction value
$58M
400,000 shares @ $145
Traded
Sep 17, 2026
Filed
Sep 17, 2026
Liu Chitung
CFO & SVP
Sale
Calculated transaction value
$170.8M
1,200,000 shares @ $142.33
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Liu Chitung
CFO & SVP
Other
Calculated transaction value
$0
1,000,000 shares @ $0
Traded
Sep 7, 2026
Filed
Sep 8, 2026
Liu Chitung
CFO & SVP
Other
Calculated transaction value
$0
1,000,000 shares @ $0
Traded
Sep 7, 2026
Filed
Sep 8, 2026
Liu Chitung
CFO & SVP
Sale
Calculated transaction value
$294.29M
1,900,000 shares @ $154.89
Traded
Jul 13, 2026
Filed
Jul 13, 2026
Hu Che Jen
Vice President
Sale
Calculated transaction value
$1.71M
10,000 shares @ $171.3
Traded
Jun 30, 2026
Filed
Jun 30, 2026