SEC Form 4 · accession 0001193125-26-301380
UNITED MICROELECTRONICS CORP · UMC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Chitung Liu
Officer — CFO & SVP
Period of report
Jul 13, 2026
Accepted (ET)
Jul 13, 2026 · 6:04 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001033767
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common SharesF1,F2 | Jul 13, 2026 | S | 1,900,000 | $154.89 | D | 3,322,917 | D | |
| Common Shares | holding | — | — | — | 150,000 | I | By Spouse | |
| Common SharesF3 | holding | — | — | — | 2,000,000 | I | By CTBC Bank Trust |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1New Taiwan Dollars
- F2Includes 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.
- F3The shares are under Trust with Discretion Reserved.