Live feed16:00:12·12mINSIDERFilingvia QuantisnowDirector Humble Patti A. bought $249,994 worth of shares (24,875 units at $10.05), increasing direct ownership by 273% to 33,974 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ECVT· Ecovyst Inc.IndustrialsOriginal source