{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-297060","form_type":"8-K","ticker":"ECVT","cik":"0001708035","company_name":"Ecovyst Inc.","filed_at":"2023-12-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.124485+00:00","generated_at":"2026-06-07T11:21:31.310494+00:00","sec_items":["5.02","7.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Ecovyst director Jonny Ginns resigns; board plans declassification proposal for 2024 annual meeting","bullets":["Jonny Ginns notified resignation from Board effective Dec 31, 2023; served since 2010.","Resignation not due to any disagreement with the Company.","Board reduced to 8 members upon Ginns' departure.","Board intends to propose eliminating classified Board at 2024 annual meeting, transitioning to annual director elections starting 2025.","Declassification proposal will require majority vote of outstanding shares."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-297060","json":"https://secwatch.observer/filing/0001193125-23-297060.json","markdown":"https://secwatch.observer/filing/0001193125-23-297060.md","text":"https://secwatch.observer/filing/0001193125-23-297060.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523297060/0001193125-23-297060-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523297060/d859346d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T11:21:31.310494+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":"1e12a98f47","claim":"Jonny Ginns resigned as Director at Ecovyst Inc..","evidence_excerpt":"On December 12, 2023, Jonny Ginns notified Ecovyst Inc. (the “Company”) that he would be resigning from the Company’s Board of Directors (the “Board”), effective December 31, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523297060/0001193125-23-297060-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"}