{"schema_version":"secwatch.filing_event.v1","accession":"0001823239-25-000099","form_type":"8-K","ticker":"MRVI","cik":"0001823239","company_name":"MARAVAI LIFESCIENCES HOLDINGS, INC.","filed_at":"2025-07-18T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.151168+00:00","generated_at":"2026-05-18T05:49:02.611089+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Maravai LifeSciences dismisses EY, appoints Deloitte; material weakness disclosed","bullets":["EY dismissed as auditor; Deloitte appointed effective July 16, 2025 for FY 2025.","EY's audit reports on financial statements for 2023 and 2024 were unqualified.","EY's internal control report for 2024 contained an adverse opinion citing material weaknesses in revenue/AR and goodwill impairment.","No disagreements on accounting principles or reportable events other than the internal control weakness.","Company did not consult Deloitte before the appointment; EY letter filed as Exhibit 16.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001823239-25-000099","json":"https://secwatch.observer/filing/0001823239-25-000099.json","markdown":"https://secwatch.observer/filing/0001823239-25-000099.md","text":"https://secwatch.observer/filing/0001823239-25-000099.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1823239/000182323925000099/0001823239-25-000099-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1823239/000182323925000099/mrvi-20250716.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T05:49:02.611089+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":"aefc9051baf41830429d70989a5dee0425175724","claim":"MARAVAI LIFESCIENCES HOLDINGS, INC. engaged Deloitte & Touche LLP as its auditor.","evidence_excerpt":"(the “ Company ”) approved the appointment of Deloitte & Touche LLP (“ Deloitte ”) as the independent registered public accounting firm for the Company for the fiscal 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/1823239/000182323925000099/0001823239-25-000099-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Deloitte & Touche LLP"}],"fact_type":"auditor_change"},{"claim_id":"de2d5d9d1fdbf2b3b5d605a2e110b31b6cdb8a63","claim":"MARAVAI LIFESCIENCES HOLDINGS, INC. dismissed Ernst & Young LLP as its auditor.","evidence_excerpt":"In addition, on the Approval Date, the Audit Committee approved the dismissal of Ernst & Young LLP (“ EY ”) as the Company’s independent registered public accounting firm.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823239/000182323925000099/0001823239-25-000099-index.htm","confidence":0.9,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Ernst & Young LLP"},{"label":"Successor","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"}