{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-292620","form_type":"8-K","ticker":"ECVT","cik":"0001708035","company_name":"Ecovyst Inc.","filed_at":"2022-11-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:51.781875+00:00","generated_at":"2026-06-21T13:04:21.076775+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Ecovyst announces resignations of directors Currie and McFadden","bullets":["Andrew Currie (INEOS Group) resigns from Ecovyst Board, effective Dec. 31, 2022.","Mark McFadden (CCMP Capital co-managing partner) resigns from Ecovyst Board, effective Dec. 31, 2022.","Both resignations are not the result of any disagreement with the Company.","Currie served since 2008; McFadden since 2016; Chairman thanked them for service."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-292620","json":"https://secwatch.observer/filing/0001193125-22-292620.json","markdown":"https://secwatch.observer/filing/0001193125-22-292620.md","text":"https://secwatch.observer/filing/0001193125-22-292620.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/0001193125-22-292620-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/d418478d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T13:04:21.076775+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":"5d5034277f","claim":"Mark McFadden resigned as Director at Ecovyst Inc..","evidence_excerpt":"On November 22, 2022, Mark McFadden notified the Company that he would also be resigning from the Board effective December 31, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/0001193125-22-292620-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"d786c0172f","claim":"Andrew Currie resigned as Director at Ecovyst Inc..","evidence_excerpt":"On November 21, 2022, Andrew Currie notified Ecovyst Inc. (the “Company”), that he would be resigning from the Company’s Board of Directors (the “Board”), effective December 31, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/0001193125-22-292620-index.htm","confidence":1.0,"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"}