{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-017418","form_type":"8-K","ticker":"BLZE","cik":"0001462056","company_name":"Backblaze, Inc.","filed_at":"2025-04-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:48.366145+00:00","generated_at":"2026-05-23T16:07:25.069179+00:00","sec_items":["4.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Backblaze dismisses BDO as auditor, engages Deloitte; prior material weaknesses remediated","bullets":["Dismissed BDO USA as independent auditor effective April 8, 2025; no adverse opinions or disagreements in fiscal 2023 or 2024.","Engaged Deloitte & Touche as new independent auditor for FY2025, effective immediately.","Material weaknesses in internal controls (accounting transactions, equity, going concern) fully remediated as of Dec 31, 2024.","BDO provided letter to SEC agreeing with the company's statements; letter filed as Exhibit 16.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-017418","json":"https://secwatch.observer/filing/0001628280-25-017418.json","markdown":"https://secwatch.observer/filing/0001628280-25-017418.md","text":"https://secwatch.observer/filing/0001628280-25-017418.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1462056/000162828025017418/0001628280-25-017418-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1462056/000162828025017418/blze-20250408.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T16:07:25.069179+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"5ab57a20335ac68031ca57280874ffb72c47a666","claim":"Backblaze, Inc. dismissed BDO USA, P.C. as its auditor.","evidence_excerpt":"On April 8, 2025, Backblaze, Inc. (the “Company”) notified BDO USA, P.C. (“BDO”) that it was dismissed as the Company’s independent registered public accounting firm, effective immediately.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1462056/000162828025017418/0001628280-25-017418-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"BDO USA, P.C."},{"label":"Successor","value":"Deloitte & Touche LLP"}],"fact_type":"auditor_change"},{"claim_id":"d80b919b2f3094b3ba351fb1865657eee659ac3b","claim":"Backblaze, Inc. engaged Deloitte & Touche LLP as its auditor.","evidence_excerpt":"On April 8, 2025, the Company’s Audit Committee approved the engagement of Deloitte & Touche LLP (“Deloitte”) as the Company’s independent registered public accounting firm for the year ending December 31, 2025, effective immediately.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1462056/000162828025017418/0001628280-25-017418-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Deloitte & Touche LLP"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}