{"filing":{"accession_number":"0001062993-26-004121","cik":"0001904501","ticker":"ZTEK","company_name":"Zentek Ltd.","form":"6-K","filing_date":"2026-08-10","report_date":"2026-08-10","primary_document":"form6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1904501/000106299326004121/form6k.htm"},"events":[{"id":26417,"run_id":24008,"accession_number":"0001062993-26-004121","anchor_item_number":"EX-99.1","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"This exhibit is a press release announcing the results of a new Preliminary Economic Assessment (PEA) for Zentek's Albany Graphite Project, prepared by Micon International Limited in accordance with NI 43-101. The PEA discloses material project economics (US$3.85B after-tax NPV, 27.4% IRR, US$817M initial capex) and updated mineral resource estimates as of June 30, 2026. While the PEA is preliminary and not a binding commitment to development, it represents a significant operational and strategic milestone for the company's critical minerals business and would materially affect a reasonable investor's assessment of the project's viability and the company's strategic direction. This is an operational/strategic disclosure rather than a discrete event type (not M\u0026A, not earnings, not an executive change), making operational_other the most appropriate classification.","company_name":"Zentek Ltd.","ticker":"ZTEK","filing_date":"2026-08-10","form":"6-K","submitted_at":null,"items":[{"id":27535,"accession_number":"0001062993-26-004121","item_number":"EX-99.1","item_title":"exhibit99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"This exhibit is a press release announcing the results of a new Preliminary Economic Assessment (PEA) for Zentek's Albany Graphite Project, prepared by Micon International Limited in accordance with NI 43-101. The PEA discloses material project economics (US$3.85B after-tax NPV, 27.4% IRR, US$817M initial capex) and updated mineral resource estimates as of June 30, 2026. While the PEA is preliminary and not a binding commitment to development, it represents a significant operational and strategic milestone for the company's critical minerals business and would materially affect a reasonable investor's assessment of the project's viability and the company's strategic direction. This is an operational/strategic disclosure rather than a discrete event type (not M\u0026A, not earnings, not an executive change), making operational_other the most appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-10T12:30:38.898682+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":27535,"accession_number":"0001062993-26-004121","item_number":"EX-99.1","item_title":"exhibit99-1.htm","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"This exhibit is a press release announcing the results of a new Preliminary Economic Assessment (PEA) for Zentek's Albany Graphite Project, prepared by Micon International Limited in accordance with NI 43-101. The PEA discloses material project economics (US$3.85B after-tax NPV, 27.4% IRR, US$817M initial capex) and updated mineral resource estimates as of June 30, 2026. While the PEA is preliminary and not a binding commitment to development, it represents a significant operational and strategic milestone for the company's critical minerals business and would materially affect a reasonable investor's assessment of the project's viability and the company's strategic direction. This is an operational/strategic disclosure rather than a discrete event type (not M\u0026A, not earnings, not an executive change), making operational_other the most appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-10T12:30:38.898682+00:00","company_name":"Zentek Ltd.","ticker":"ZTEK","filing_date":"2026-08-10"}]}