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{"created_at":"2026-04-22T03:03:32.063 {"created_at":"2026-04-22T03:03:32.063787+00:00","dedupe_key":"signal_enriched:discovery_sec_filing_delta:98968f4de9365432","evidence_event_ids":["evt_9e2a9a24277b"],"signal_type":"discovery_sec_filing_delta","source":"discovery_sec_filings","value":{"aggregator_url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt","as_of":"2026-04-22T03:03:32.063787+00:00","canonical_url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt","company":"UNITED MICROELECTRONICS CORP","enrichment":{"aggregator_url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt","article_chars":811,"article_truncated":false,"blocked_reason":null,"candidate_id":"sc_05f339511453e1f1","canonical_host":"sec.gov","canonical_is_aggregator":false,"canonical_url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt","content_type":"text/plain","enriched_at":"2026-04-22T03:16:19.616549+00:00","extraction_method":"trafilatura","fetched_description":"","fetched_title":"6-K","final_url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt","html_truncated":false,"paywall_likely":false,"publisher_domain":"sec.gov","publisher_resolution":"canonical_url","requested_url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt","source_event_id":"evt_9e2a9a24277b","source_quality":"medium","status_code":200,"version":"signal_enrichment_v2"},"form_type":"6-K","fp":"37d51533a74c4e26","kind":"sec_filing","published_at":"20260421","publisher_domain":"sec.gov","signal_understanding":{"analysis_basis":"article","claim_confidence":0.72,"dates_mentioned":["April 21, 2026"],"entities":[{"asset_class":"equity","name":"United Microelectronics Corporation","relevance":"primary","symbol":"","type":"issuer"},{"asset_class":"regulator","name":"U.S. Securities and Exchange Commission","relevance":"context","symbol":"","type":"regulator"}],"event_type":"other","information_gaps":["No substantive 6-K content (e.g., exhibits, financial results, material events) is included in the provided text.","No indication is provided of what changed versus any prior known state, because prior state and the delta content are not present.","The checkboxes for Form 20-F vs Form 40-F and paper submission options are present as labels, but the selected options are not shown in the provided text."],"key_facts":["The document is a SEC Form 6-K.","It is filed by United Microelectronics Corporation.","The filing date shown in the document is April 21, 2026.","Commission File Number is 001-15128.","The filing references Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934.","The registrant\u2019s address is listed as No. 3 Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C."],"numeric_claims":[{"label":"Commission File Number","value":"001-15128"}],"primary_claim":"UMC submitted a Form 6-K to the SEC dated April 21, 2026 (Commission File Number 001-15128).","relevance_score":0.35,"sentiment":"neutral","source_quality":"medium","summary":"United Microelectronics Corporation (UMC) filed a Form 6-K with the SEC on April 21, 2026. The provided text includes only the cover/header information and does not disclose specific substantive items.","topics":["SEC filing","Form 6-K","foreign issuer reporting"]},"source":"sec_edgar","source_domain":"sec.gov","summary":"Form 6-K \u00b7 UNITED MICROELECTRONICS CORP \u00b7 Filed 20260421","ticker":"UMC","tickers":["UMC"],"title":"UMC filed 6-K","url":"https://www.sec.gov/Archives/edgar/data/1033767/0001193125-26-164977.txt"}}... |