{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-236303","form_type":"8-K/A","ticker":"ECVT","cik":"0001708035","company_name":"Ecovyst Inc.","filed_at":"2021-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:19.302852+00:00","generated_at":"2026-06-29T22:43:26.958752+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Ecovyst accelerates CFO retirement and transition to August 5, 2021","bullets":["Michael Crews retirement as EVP & CFO and Michael Feehan's transition to VP & CFO accelerated to August 5, 2021.","Originally announced on March 23, 2021; effective date moved forward from previous date.","Feehan will assume CFO role upon Crews' retirement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-236303","json":"https://secwatch.observer/filing/0001193125-21-236303.json","markdown":"https://secwatch.observer/filing/0001193125-21-236303.md","text":"https://secwatch.observer/filing/0001193125-21-236303.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/0001193125-21-236303-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/d211113d8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T22:43:26.958752+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":"77d90f1a45","claim":"Michael Crews departed as Executive Vice President and Chief Financial Officer at Ecovyst Inc..","evidence_excerpt":"Michael Crews will retire from his position as Executive Vice President and Chief Financial Officer (the “Retirement”)","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/0001193125-21-236303-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"},{"claim_id":"c327fba90a","claim":"Michael Feehan changed role as Vice President and Chief Financial Officer at Ecovyst Inc..","evidence_excerpt":"Michael Feehan will transition to Vice President and Chief Financial Officer (the “Transition”)","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/0001193125-21-236303-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"transition"},{"label":"Role","value":"Vice President and Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}