{"schema_version":"secwatch.filing_event.v1","accession":"0001823239-23-000072","form_type":"8-K","ticker":"MRVI","cik":"0001823239","company_name":"MARAVAI LIFESCIENCES HOLDINGS, INC.","filed_at":"2023-07-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:35.466031+00:00","generated_at":"2026-06-13T05:44:51.990997+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Maravai LifeSciences announces director resignation and appointment of Dr. John DeFord to board","bullets":["Robert B. Hance resigned from Board effective July 19, 2023; resignation unrelated to any disagreement with management.","Dr. John DeFord appointed to Board effective July 20, 2023 to fill vacancy; will serve as Class II director through 2025 annual meeting.","DeFord is Chairman, CEO and President of Samothrace Medical Innovations; former EVP & CTO of Becton, Dickinson and Company.","DeFord also serves on boards of Nordson Corporation, NuVasive, and several private medical device companies."],"urls":{"canonical":"https://secwatch.observer/filing/0001823239-23-000072","json":"https://secwatch.observer/filing/0001823239-23-000072.json","markdown":"https://secwatch.observer/filing/0001823239-23-000072.md","text":"https://secwatch.observer/filing/0001823239-23-000072.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1823239/000182323923000072/0001823239-23-000072-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1823239/000182323923000072/mrvi-20230719.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T05:44:51.990997+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":"3c848eba79","claim":"John DeFord was appointed as Director at MARAVAI LIFESCIENCES HOLDINGS, INC..","evidence_excerpt":"On July 20, 2023, the Board appointed John DeFord, Ph.D. to the Board, effective as of such date (the “Appointment Date”), to fill the vacancy on the Board created by Mr. Hance’s resignation.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823239/000182323923000072/0001823239-23-000072-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"fe42af62a2","claim":"Robert B. Hance resigned as Director at MARAVAI LIFESCIENCES HOLDINGS, INC..","evidence_excerpt":"On July 19, 2023, Robert B. Hance, a director of Maravai LifeSciences Holdings, Inc. (the “Company”), informed the Board of Directors of the Company (the “Board”) of his resignation from the Board, to be effective as of such date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823239/000182323923000072/0001823239-23-000072-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}