{"schema_version":"secwatch.filing_event.v1","accession":"0001708035-24-000120","form_type":"8-K","ticker":"ECVT","cik":"0001708035","company_name":"Ecovyst Inc.","filed_at":"2024-12-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:09.295193+00:00","generated_at":"2026-05-29T03:00:51.797998+00:00","sec_items":["5.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Ecovyst grants retention bonus to VP Whittleston linked to strategic review of catalysts business","bullets":["Paul Whittleston (VP & President, Advanced Materials & Catalysts) granted retention bonus of 1.5x base salary.","Bonus payable in two equal installments contingent on continued employment and certain outcomes of strategic review.","Strategic review is for the Advanced Materials & Catalysts business segment.","Approved by Compensation Committee on December 10, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001708035-24-000120","json":"https://secwatch.observer/filing/0001708035-24-000120.json","markdown":"https://secwatch.observer/filing/0001708035-24-000120.md","text":"https://secwatch.observer/filing/0001708035-24-000120.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708035/000170803524000120/0001708035-24-000120-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708035/000170803524000120/ecvt-20241210.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T03:00:51.797998+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"}