UMC · ISSUER CIK 1033767
UNITED MICROELECTRONICS CORP
Between Aug 1, 2026 and Oct 29, 2026, 2 UNITED MICROELECTRONICS CORP insiders reported $0.00 of open-market purchases and $0.00 of sales on SEC Form 4.
↗2 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 0 of 2 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$0.00Insider selling
$0.00Net open-market
Sep 22, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 22, 202606:11 | Sep 22, 2026 | UMC | Vice President | S · SellPrice unverified | $163.00 | −10,000 | 1,172,140 | -1% | — | ||
| Sep 17, 202606:07 | Sep 17, 2026from Sep 16, 2026 | UMC | CFO & SVP | S · SellPrice unverified | $143.00 | −1,600,000 | 2,639,757 | -38% | — | ||
| Sep 8, 202606:01 | Sep 7, 2026 | UMC | CFO & SVP | J · Other | — | +1,000,000 | 4,322,917 | +30% | — | ||
| Sep 8, 202606:01 | Sep 7, 2026 | UMC | CFO & SVP | J · Other | — | −1,000,000 | 1,000,000 | -50% | — |