{"filing":{"accession_number":"0001104659-26-116757","cik":"0001780652","ticker":"CAN","company_name":"Canaan Inc.","form":"6-K","filing_date":"2026-10-19","report_date":"2026-10-19","primary_document":"tm2627811d1_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1780652/000110465926116757/tm2627811d1_6k.htm"},"events":[{"id":35999,"run_id":33188,"accession_number":"0001104659-26-116757","anchor_item_number":"EX-99.1","event_type":"auditor_change","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"The exhibit announces that Canaan Inc. engaged KPMG LLP in Singapore as its independent auditor effective October 19, 2026, replacing KPMG Huazhen LLP. The disclosure explicitly states the change was approved by the Audit Committee and Board, and confirms that KPMG Huazhen's prior audit reports contained no adverse opinions, disclaimers, or qualifications, and there were no disagreements or reportable events. This is a clear auditor change event under Item 4.01 of Regulation S-K, material to investors assessing the registrant's financial reporting oversight.","company_name":"Canaan Inc.","ticker":"CAN","filing_date":"2026-10-19","form":"6-K","submitted_at":null,"items":[{"id":40265,"accession_number":"0001104659-26-116757","item_number":"EX-99.1","item_title":"tm2627811d1_ex99-1.htm","event_type":"auditor_change","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"The exhibit announces that Canaan Inc. engaged KPMG LLP in Singapore as its independent auditor effective October 19, 2026, replacing KPMG Huazhen LLP. The disclosure explicitly states the change was approved by the Audit Committee and Board, and confirms that KPMG Huazhen's prior audit reports contained no adverse opinions, disclaimers, or qualifications, and there were no disagreements or reportable events. This is a clear auditor change event under Item 4.01 of Regulation S-K, material to investors assessing the registrant's financial reporting oversight.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-19T13:13:37.869425+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":40265,"accession_number":"0001104659-26-116757","item_number":"EX-99.1","item_title":"tm2627811d1_ex99-1.htm","event_type":"auditor_change","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"The exhibit announces that Canaan Inc. engaged KPMG LLP in Singapore as its independent auditor effective October 19, 2026, replacing KPMG Huazhen LLP. The disclosure explicitly states the change was approved by the Audit Committee and Board, and confirms that KPMG Huazhen's prior audit reports contained no adverse opinions, disclaimers, or qualifications, and there were no disagreements or reportable events. This is a clear auditor change event under Item 4.01 of Regulation S-K, material to investors assessing the registrant's financial reporting oversight.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-19T13:13:37.869425+00:00","company_name":"Canaan Inc.","ticker":"CAN","filing_date":"2026-10-19"}]}