1 insiders reported 1 Form 4 transactions for UNITED MICROELECTRONICS CORP (UMC) over the past 18 months (most recent 2026-06-30). Recent activity: HU CHE-JEN (Vice President) Sell 10,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | HU CHE-JEN | Vice President | Sell | 10,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-30