{"filing":{"accession_number":"0001292814-26-004362","cik":"0001713930","ticker":"NEXA","company_name":"Nexa Resources S.A.","form":"6-K","filing_date":"2026-08-27","report_date":"2026-09-30","primary_document":"nexa20260826_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1713930/000129281426004362/nexa20260826_6k.htm"},"events":[{"id":29866,"run_id":27360,"accession_number":"0001292814-26-004362","anchor_item_number":"EX-99.1","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"summary":"This exhibit announces a definitive agreement for Votorantim to sell its controlling stake (64.68%) in Nexa Resources to Boliden AB through a share-for-share exchange at a fixed ratio of 0.250 Boliden shares per Nexa share. The transaction constitutes a material change of control, with Boliden becoming the controlling shareholder and expected to hold four of seven board seats. Completion is expected in Q1 2027, subject to customary regulatory approvals and shareholder votes. This is a classic material acquisition/change-of-control event under Item 1.01 or 2.01 of the 8-K taxonomy.","company_name":"Nexa Resources S.A.","ticker":"NEXA","filing_date":"2026-08-27","form":"6-K","submitted_at":null,"items":[{"id":32281,"accession_number":"0001292814-26-004362","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"This exhibit announces a definitive agreement for Votorantim to sell its controlling stake (64.68%) in Nexa Resources to Boliden AB through a share-for-share exchange at a fixed ratio of 0.250 Boliden shares per Nexa share. The transaction constitutes a material change of control, with Boliden becoming the controlling shareholder and expected to hold four of seven board seats. Completion is expected in Q1 2027, subject to customary regulatory approvals and shareholder votes. This is a classic material acquisition/change-of-control event under Item 1.01 or 2.01 of the 8-K taxonomy.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-27T10:13:44.312385+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":32281,"accession_number":"0001292814-26-004362","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"This exhibit announces a definitive agreement for Votorantim to sell its controlling stake (64.68%) in Nexa Resources to Boliden AB through a share-for-share exchange at a fixed ratio of 0.250 Boliden shares per Nexa share. The transaction constitutes a material change of control, with Boliden becoming the controlling shareholder and expected to hold four of seven board seats. Completion is expected in Q1 2027, subject to customary regulatory approvals and shareholder votes. This is a classic material acquisition/change-of-control event under Item 1.01 or 2.01 of the 8-K taxonomy.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-27T10:13:44.312385+00:00","company_name":"Nexa Resources S.A.","ticker":"NEXA","filing_date":"2026-08-27"}]}