InsiderTrades

Form 4 for UMC UNITED MICROELECTRONICS CORP

Accepted 2026-07-13 06:04:27 ET · period of report 2026-07-13 · accession 0001193125-26-301380 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-07-13 06:04 2026-07-13 UMC Liu Chitung CFO, SVP S - Sale $154.89 -1.90M 3.32M -36% -$294.29M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares 2026-07-13 S D 1,900,000 $154.89 3,322,917 D — — (F1) New Taiwan Dollars (F2) Includes 1,210,000 shares of Restricted Stock Award (RSA) and a specified number of shares subject to the RSA will vest annually on December 5 from 2026 to 2029.