{"filing":{"accession_number":"0001193125-26-278424","cik":"0001033767","ticker":"UMC","company_name":"UNITED MICROELECTRONICS CORP","form":"6-K","filing_date":"2026-06-23","report_date":null,"primary_document":"6k_on_06232026.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1033767/000119312526278424/6k_on_06232026.htm"},"events":[{"id":12950,"run_id":11490,"accession_number":"0001193125-26-278424","anchor_item_number":"EX-99","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.92,"summary":"Exhibit 99.1 and 99.2 announce a cash dividend adjustment and record date. The company adjusted the per-share dividend from NT$2.60 to NT$2.60808262 due to share repurchases and restricted stock cancellations, with a payment date of 2026/07/30. This is a material dividend distribution event affecting shareholders.","company_name":"UNITED MICROELECTRONICS CORP","ticker":"UMC","filing_date":"2026-06-23","form":"6-K","submitted_at":null,"items":[{"id":9953,"accession_number":"0001193125-26-278424","item_number":"EX-99","item_title":"umc-ex99.htm","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"Exhibit 99.1 and 99.2 announce a cash dividend adjustment and record date. The company adjusted the per-share dividend from NT$2.60 to NT$2.60808262 due to share repurchases and restricted stock cancellations, with a payment date of 2026/07/30. This is a material dividend distribution event affecting shareholders.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-23T10:08:50.347648+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":9953,"accession_number":"0001193125-26-278424","item_number":"EX-99","item_title":"umc-ex99.htm","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.92,"reasoning":"Exhibit 99.1 and 99.2 announce a cash dividend adjustment and record date. The company adjusted the per-share dividend from NT$2.60 to NT$2.60808262 due to share repurchases and restricted stock cancellations, with a payment date of 2026/07/30. This is a material dividend distribution event affecting shareholders.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-23T10:08:50.347648+00:00","company_name":"UNITED MICROELECTRONICS CORP","ticker":"UMC","filing_date":"2026-06-23"}]}