4Filing Date: Sep 22, 2026
UNITED MICROELECTRONICS CORP (UMC)
Statement of Changes in Beneficial Ownership
View SEC Filing
ACC: 0001193125-26-397195
Total Value$1.63M
Trades1
Insiders1
Transaction Details
LIN JEN-TSUNG
Vice President·Direct
Sell · Dispose
Commin Shares
Shares-10.00K
Price$163.00
Total Value$1.63M
Shares Owned After1.17M
Transaction DateSep 22, 2026
Footnotes ▸
New Taiwan Dollars | Includes 667,080 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.
Post-Transaction Holdings
LIN JEN-TSUNG · Vice President
| Security | Shares | Change |
|---|---|---|
| Commin Shares | 1.17M | -10.00K (-0.85%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-09-22
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: UNITED MICROELECTRONICS CORP (UMC)
CIK: 0001033767
--- Reporting Owner ---
Name: LIN JEN-TSUNG
CIK: 0002133616
Role: Officer (Vice President)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Commin Shares
Date: 2026-09-22 | Code: S (Open market sale)
Shares: -10,000 | Price: $163.00
Total Value: $1,630,000.00
Shares Owned After: 1,172,140 | Ownership: D (Direct)
Footnotes:
[F1] New Taiwan Dollars
[F2] Includes 667,080 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.
--- Footnotes (Complete Index) ---
F1: New Taiwan Dollars
F2: Includes 667,080 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.
--- Signature ---
/s/ /s/Chitung Liu, attorney-in-fact (2026-09-22)