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Form 4 Insider Filings
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UMC
2 filings · most recent first
UMC Form 4 Insider Filings
2026-07-13
Liu Chitung Files United Microelectronics Corp Umc Form 4 July 13 2026
2026-07-01
Hu Chejen Files United Microelectronics Corp Umc Form 4 June 30 2026
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