{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-061422","form_type":"8-K","ticker":"ECVT","cik":"0001708035","company_name":"Ecovyst Inc.","filed_at":"2023-03-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:46.220582+00:00","generated_at":"2026-06-18T11:49:42.268049+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Ecovyst repurchases $29.85M of stock from underwriter in secondary offering","bullets":["Underwriting agreement for 11.49M shares sold by selling stockholders at $9.95/share.","Company to repurchase 3M shares from underwriter for $29.85M total.","Share repurchase funded with cash on hand and cash from operations.","Closing expected on or about March 7, 2023, subject to customary conditions.","No new shares issued by Ecovyst; all shares sold by existing stockholders."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-061422","json":"https://secwatch.observer/filing/0001193125-23-061422.json","markdown":"https://secwatch.observer/filing/0001193125-23-061422.md","text":"https://secwatch.observer/filing/0001193125-23-061422.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523061422/0001193125-23-061422-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523061422/d459991d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T11:49:42.268049+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":"762045f3c73bd5e28a2739a63d46b70825d7f247","claim":"Ecovyst Inc. entered into Underwriting Agreement with Jefferies LLC and the selling stockholders listed on Schedule I thereto valued at $29,850,000 (effective 2023-03-02).","evidence_excerpt":"On March 2, 2023, Ecovyst Inc. (the “ Company ”) entered into an Underwriting Agreement (the “ Underwriting Agreement ”) with Jefferies LLC (the “ Underwriter ”) and the selling stockholders listed on Schedule I thereto (the “ Selling Stockholders ”), relating to the underwritten offering of 11,490,444 shares (the “ Shares ”) of the Company’s common stock, par value $0.01 per share (the “ Offering ”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708035/000119312523061422/0001193125-23-061422-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"underwriting"},{"label":"Counterparty","value":"Jefferies LLC and the selling stockholders listed on Schedule I thereto"},{"label":"Value","value":"$29,850,000"},{"label":"Effective","value":"2023-03-02"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}