{"schema_version":"secwatch.filing_event.v1","accession":"0001722482-21-000263","form_type":"8-K","ticker":"AVTR","cik":"0001722482","company_name":"Avantor, Inc.","filed_at":"2021-11-10T23:59:59+00:00","discovered_at":"2026-05-14T18:04:13.834532+00:00","generated_at":"2026-06-28T10:03:42.594326+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Avantor appoints Joseph Massaro as Class II director, effective Jan 1, 2022","bullets":["Joseph Massaro appointed as independent Class II director, filling a vacant board seat.","He is CFO and SVP Business Operations at Aptiv; to serve on Audit and Finance Committee.","Compensation: annual cash retainer of $75,000 (prorated) and RSU grant of $200,000 (prorated), vesting in one year.","Appointment effective November 8, 2021; service begins January 1, 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001722482-21-000263","json":"https://secwatch.observer/filing/0001722482-21-000263.json","markdown":"https://secwatch.observer/filing/0001722482-21-000263.md","text":"https://secwatch.observer/filing/0001722482-21-000263.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1722482/000172248221000263/0001722482-21-000263-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1722482/000172248221000263/avtr-20211108.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T10:03:42.594326+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":"1d9832980e","claim":"Joseph Massaro was appointed as Class II Director at Avantor, Inc..","evidence_excerpt":"On November 8, 2021, the Board, upon the recommendation of its Nominating and Governance Committee, appointed Joseph Massaro as a Class II director with an initial term expiring at the Company’s 2022 Annual Meeting of Stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1722482/000172248221000263/0001722482-21-000263-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class II Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}