{"schema_version":"secwatch.filing_event.v1","accession":"0001000623-26-000030","form_type":"8-K","ticker":"MATV","cik":"0001000623","company_name":"Mativ Holdings, Inc.","filed_at":"2026-04-02T23:59:59+00:00","discovered_at":"2026-05-14T18:02:31.763371+00:00","generated_at":"2026-05-15T07:45:50.116211+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Mativ Group President Ryan Elwart resigns effective April 27, 2026","bullets":["Ryan Elwart, Group President, tendered resignation on March 30, 2026.","Departure effective April 27, 2026, to pursue other opportunities.","No successor or interim appointment announced by the company."],"urls":{"canonical":"https://secwatch.observer/filing/0001000623-26-000030","json":"https://secwatch.observer/filing/0001000623-26-000030.json","markdown":"https://secwatch.observer/filing/0001000623-26-000030.md","text":"https://secwatch.observer/filing/0001000623-26-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1000623/000100062326000030/0001000623-26-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1000623/000100062326000030/matv-20260330.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T07:45:50.116211+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}