Live feed17:01:57·973dSave storyINSIDERFilingvia QuantisnowHinds Brent covered exercise/tax liability with 21,673 shares, decreasing direct ownership by 37% to 37,462 units (SEC Form 4) (Amendment)ByQuantisnow·Wall Street's wire, on your screen.CLIRClearSign Technologies CorporationIndustrialsOriginal source