Insider · CIK 0002120081
Chitung Liu
Files at: UMC. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 SForm 4 → | Sep 17, 6:07 am EDT | UNITED MICROELECTRONICS CORPUMC | 1,600,000 | $143.00 | $228,799,600 | 2,639,757 | −37.7% | |
| Sep 7, 2026 JForm 4 → | Sep 8, 6:01 am EDT | UNITED MICROELECTRONICS CORPUMC | 2,000,000 | — | — | 1,000,000 | — | |
| Jul 13, 2026 SForm 4 → | Jul 13, 6:04 am EDT | UNITED MICROELECTRONICS CORPUMC | 1,900,000 | $154.89 | $294,291,000 | 3,322,917 | −36.4% |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.