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UMC Sale Disclosure
Liu Chitung · SEC Form 4 · Filed Sep 17, 2026
Sale
Calculated transaction value
$58M
Liu Chitung CFO & SVP
UMC
Transaction date
Sep 17, 2026
Public filing date
Sep 17, 2026
Filing lag
Filed same day
UMC daily price context
Close on/before transaction
$24.47
Sep 17, 2026
First close after public filing
$24.47
Sep 17, 2026
30-day return after filing
-17.94%
Through Oct 19, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Shares
- Quantity / price
- 400,000 shares @ $145
- SEC ownership
- Direct
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001193125-26-393652
Filing cohort
Transactions in this filing
Showing 2 of 2
Trades
2
Issuers
1
Estimated value
$228.8M
Buys / sales
0 / 2
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| United Microelectronics Corp UMC Current | Sale | Sep 17, 2026 | $58M |
| United Microelectronics Corp UMC | Sale | Sep 16, 2026 | $170.8M |