{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-271066","form_type":"8-K","ticker":"MATV","cik":"0001000623","company_name":"Mativ Holdings, Inc.","filed_at":"2022-10-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.117028+00:00","generated_at":"2026-06-22T23:10:11.483986+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Mativ COO Omar Hoek resigns effective March 1, 2023","bullets":["Omar Hoek, COO, resigned on October 21, 2022, effective March 1, 2023, to pursue other opportunities.","Company expects to enter a consulting agreement with Hoek on terms to be agreed.","No successor or interim COO named in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-271066","json":"https://secwatch.observer/filing/0001193125-22-271066.json","markdown":"https://secwatch.observer/filing/0001193125-22-271066.md","text":"https://secwatch.observer/filing/0001193125-22-271066.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1000623/000119312522271066/0001193125-22-271066-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1000623/000119312522271066/d383798d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T23:10:11.483986+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":"df2865dc8a","claim":"Omar Hoek resigned as Chief Operating Officer at Mativ Holdings, Inc..","evidence_excerpt":"Omar Hoek, the Company’s Chief Operating Officer, tendered his resignation effective as of March 1, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1000623/000119312522271066/0001193125-22-271066-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}