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ECVTQT46Ecovyst Inc.·NYSE
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Latest SEC Filings

Form category
DescriptionFilingDocument
Oct 28, 20268-KCurrent report
Sep 14, 20264Statement of changes in beneficial ownership
Aug 26, 20263Initial statement of beneficial ownership
Aug 26, 20264Statement of changes in beneficial ownership
Aug 24, 20268-KCurrent report
Aug 06, 202610-QQuarterly report
Aug 05, 20268-KCurrent report
Jul 31, 2026SC 13GBeneficial ownership statement (passive)
Jul 17, 2026144Notice of proposed sale of restricted securities
Jul 14, 2026SC 13G/ABeneficial ownership statement (passive, amended)
Jun 30, 20268-KCurrent report
Jun 22, 202611-KAnnual report (employee benefit plans)
Jun 03, 20264Statement of changes in beneficial ownership
Jun 02, 2026144Notice of proposed sale of restricted securities
May 27, 20264Statement of changes in beneficial ownership
May 26, 20263Initial statement of beneficial ownership
May 21, 20268-KCurrent report
May 08, 2026SC 13G/ABeneficial ownership statement (passive, amended)
May 05, 20268-KCurrent report
May 05, 202610-QQuarterly report
May 04, 20268-KCurrent report
Apr 29, 2026SC 13GBeneficial ownership statement (passive)
Apr 24, 2026SC 13G/ABeneficial ownership statement (passive, amended)
Apr 15, 2026ARSAnnual report to shareholders
Apr 15, 2026DEF 14ADefinitive proxy statement