{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-097954","form_type":"8-K","ticker":"ECVT","cik":"0001708035","company_name":"Ecovyst Inc.","filed_at":"2023-04-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.142612+00:00","generated_at":"2026-06-17T03:41:05.790682+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Ecovyst board member Timothy Walsh resigns; Kevin Fogarty nominated for reclassification","bullets":["Timothy Walsh resigns effective prior to 2023 annual meeting; not due to any disagreement with the company.","Board nominates Kevin M. Fogarty for election as Class III Director at the 2023 annual meeting.","Fogarty submits conditional resignation as Class I Director to facilitate board class rebalancing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-097954","json":"https://secwatch.observer/filing/0001193125-23-097954.json","markdown":"https://secwatch.observer/filing/0001193125-23-097954.md","text":"https://secwatch.observer/filing/0001193125-23-097954.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523097954/0001193125-23-097954-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523097954/d461672d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T03:41:05.790682+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":"0382a83d68","claim":"Kevin M. Fogarty changed role as Director (Class I → Class III) at Ecovyst Inc..","evidence_excerpt":"The Board has nominated Kevin M. Fogarty, currently a Class I Director, for election at the Company’s 2023 Annual Meeting as a Class III Director.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523097954/0001193125-23-097954-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"nominated for reclassification"},{"label":"Role","value":"Director (Class I → Class III)"}],"fact_type":"executive_change"},{"claim_id":"0e69ece17a","claim":"Timothy Walsh resigned as Director at Ecovyst Inc..","evidence_excerpt":"On April 5, 2023, Timothy Walsh notified Ecovyst Inc. (the “Company”) that he would be resigning from the Board of Directors (the “Board”) effective as of immediately prior to the commencement of the Company’s 2023 Annual Meeting of Stockholders (the “2023 Annual Meeting”) and that he will not stand for re-election to the Board at the 2023 Annual Meeting.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523097954/0001193125-23-097954-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"}