{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-163419","form_type":"8-K","ticker":"MATV","cik":"0001000623","company_name":"Mativ Holdings, Inc.","filed_at":"2024-06-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.782215+00:00","generated_at":"2026-06-01T03:48:48.894815+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":"Mativ appoints John Stipancich to board; director Keenan resigns","bullets":["John K. Stipancich appointed independent director, effective June 13, 2024; term expiring at 2027 annual meeting.","Stipancich, EVP / General Counsel / Secretary of Roper Technologies, also appointed to audit committee.","Jeffrey Keenan resigned from board effective June 12, 2024; no disagreement with company.","Stipancich brings over 30 years of legal, operational, and financial expertise to Mativ board."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-163419","json":"https://secwatch.observer/filing/0001193125-24-163419.json","markdown":"https://secwatch.observer/filing/0001193125-24-163419.md","text":"https://secwatch.observer/filing/0001193125-24-163419.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1000623/000119312524163419/0001193125-24-163419-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1000623/000119312524163419/d835699d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T03:48:48.894815+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":"8cf9c08876","claim":"John K. Stipancich was appointed as Director at Mativ Holdings, Inc..","evidence_excerpt":"On June 13, 2024, the board of directors (the “Board”) of Mativ Holdings, Inc. (the “Company”) appointed John K. Stipancich as an independent director to serve a term expiring at the Company’s 2027 annual meeting, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1000623/000119312524163419/0001193125-24-163419-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"ceea86c666","claim":"Jeffrey Keenan resigned as Director at Mativ Holdings, Inc..","evidence_excerpt":"On June 12, 2024, Jeffrey Keenan, a member of the Board, resigned from the Board and the audit and nominating & governance committees of the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1000623/000119312524163419/0001193125-24-163419-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"}