Machine signal
Active cluster sell — 3 distinct insiders, $526.4M, window ends Sep 22, 2026.
Figures computed from official regulatory filings — .
Analysttarget 19.12 USD (-4%) · consensus 2.75/5 · 1 buy · 0 hold · 3 sell
Ownershipinsiders 0% · institutions 7.46% · short 1.2% of float
In USD · as of Oct 19, 2026
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United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and internationally. It manufactures and sells integrated circuits. The company offers circuit design; mask tooling; wafer fabrication; and assembly and testing services for communication devices, consumer electronics, computer, and other applications. It also provides venture capital and marketing support; consulting and planning; energy technical; solar engineering integrated design; research and development services; and insurance services. United Microelectronics Corporation was incorporated in 1980 and is headquartered in Hsinchu City, Taiwan.
Market information source · Oct 19, 2026
SEC company identity · Oct 19, 2026
Open-market timeline · full history
5 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| LIN JEN-TSUNG | Sell | $1.6M | SEC |
| Liu Chitung | Sell | $170.8M | SEC |
| Liu Chitung | Sell | $58M | SEC |
| Liu Chitung | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Liu Chitung | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Liu Chitung | Sell | $294.3M | SEC |
| HU CHE-JEN | Sell | $1.7M | SEC |