{"filing":{"accession_number":"0001292814-26-003942","cik":"0001713930","ticker":"NEXA","company_name":"Nexa Resources S.A.","form":"6-K","filing_date":"2026-07-28","report_date":"2026-06-30","primary_document":"nexaer2q26_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1713930/000129281426003942/nexaer2q26_6k.htm"},"events":[{"id":21062,"run_id":18979,"accession_number":"0001292814-26-003942","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"This exhibit discloses Nexa's first-half 2026 exploration drilling results and program updates across multiple operating and development properties (Vazante, El Porvenir, Cerro Lindo, Aripuanã, Namibia). The document reports specific drill intercepts, meters drilled, and revised exploration budgets (12% increase to 66,805 meters). While not a discrete event like an M\u0026A transaction or executive change, the exploration results and program expansion represent material operational and strategic developments affecting the company's mineral resource pipeline and long-term mine-life extension prospects, which would be relevant to a reasonable investor's assessment of the registrant's growth trajectory and asset quality.","company_name":"Nexa Resources S.A.","ticker":"NEXA","filing_date":"2026-07-28","form":"6-K","submitted_at":null,"items":[{"id":20597,"accession_number":"0001292814-26-003942","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This exhibit discloses Nexa's first-half 2026 exploration drilling results and program updates across multiple operating and development properties (Vazante, El Porvenir, Cerro Lindo, Aripuanã, Namibia). The document reports specific drill intercepts, meters drilled, and revised exploration budgets (12% increase to 66,805 meters). While not a discrete event like an M\u0026A transaction or executive change, the exploration results and program expansion represent material operational and strategic developments affecting the company's mineral resource pipeline and long-term mine-life extension prospects, which would be relevant to a reasonable investor's assessment of the registrant's growth trajectory and asset quality.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-28T20:10:50.297351+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":20597,"accession_number":"0001292814-26-003942","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"This exhibit discloses Nexa's first-half 2026 exploration drilling results and program updates across multiple operating and development properties (Vazante, El Porvenir, Cerro Lindo, Aripuanã, Namibia). The document reports specific drill intercepts, meters drilled, and revised exploration budgets (12% increase to 66,805 meters). While not a discrete event like an M\u0026A transaction or executive change, the exploration results and program expansion represent material operational and strategic developments affecting the company's mineral resource pipeline and long-term mine-life extension prospects, which would be relevant to a reasonable investor's assessment of the registrant's growth trajectory and asset quality.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-07-28T20:10:50.297351+00:00","company_name":"Nexa Resources S.A.","ticker":"NEXA","filing_date":"2026-07-28"}]}