UMC
UNITED MICROELECTRONICS CORP
UNITED MICROELECTRONICS CORP (UMC) has 2 SEC Form 4 filings (2 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Jul 13, 2026.
Insiders have net sold $296.0M over the trailing 6 months.
- Industry:Semiconductors
- CEO:Jason S. Wang
- Employees:20,000
- HQ:Hsinchu City, TW
- IPO:2000-09-19
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$296.0M
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Market Cap
$280.6B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
Liu ChitungFirst filing | CFO & SVP | Sale | 1,900,000 | $294.3M | Jul 13 | SEC ↗ |
HU CHE-JENFirst filing | Vice President | Sale | 10,000 | $1.7M | Jul 1 | SEC ↗ |
Related companies
UNITED MICROELECTRONICS CORP is in the Technology sector.