{"schema_version":"secwatch.filing_event.v1","accession":"0000709283-23-000030","form_type":"8-K","ticker":"QMCO","cik":"0000709283","company_name":"QUANTUM CORP /DE/","filed_at":"2023-08-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.459425+00:00","generated_at":"2026-06-11T06:36:25.928886+00:00","sec_items":["4.01","9.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Quantum appoints Grant Thornton as auditor; Armanino resigns over policy change","bullets":["Audit Committee appointed Grant Thornton LLP as independent auditor for FY ending Mar 31, 2024, effective Aug 18, 2023.","Armanino LLP resigned as auditor effective Aug 18, 2023, due to its decision to cease providing services to public companies.","No disagreements or reportable events occurred during fiscal years 2022, 2023, or subsequent interim period through Aug 18, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0000709283-23-000030","json":"https://secwatch.observer/filing/0000709283-23-000030.json","markdown":"https://secwatch.observer/filing/0000709283-23-000030.md","text":"https://secwatch.observer/filing/0000709283-23-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/709283/000070928323000030/0000709283-23-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/709283/000070928323000030/qtm-20230821.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T06:36:25.928886+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":"e9f80f653ccbd96251162425145597244ed4eeaa","claim":"QUANTUM CORP /DE/ engaged Grant Thornton LLP as its auditor.","evidence_excerpt":"the Audit Committee of the Board of Directors of Quantum Corporation (the “Company”) appointed Grant Thornton LLP (“Grant Thornton”) as the Company’s independent registered public accounting firm for the fiscal year ending March 31, 2024, effective immediately","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/709283/000070928323000030/0000709283-23-000030-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Grant Thornton LLP"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}