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6-K2026-05-11· grok-4-1-fast-non-reasoning

UMC · United Microelectronics Corporation

0001193125-26-215564

SEC filing

Summary

United Microelectronics Corporation announced its cumulative share repurchases exceeded NTD$300 million, reaching 4,166,000 common shares at an average price of NTD$94.06 as of May 11, 2026.

Key takeaways

Full analysis

The filing discloses that UMC's ongoing share repurchase program has surpassed the NTD$300 million threshold, with 4,166,000 common shares acquired cumulatively at NTD$94.06 per share, totaling NTD$391,855,237. This represents 0.07% of the company's total issued shares, signaling management's confidence in the stock's value and potential to return capital to shareholders. No additional matters were specified. Separately, Exhibit 99.2 confirms no trading, pledges, or pledge clearances of UMC common shares by directors, executive officers, or 10% shareholders during April 2026, indicating stable insider positions.