Live feed16:56:30·1961dINSIDERFilingvia QuantisnowSEC Form 4: B David Katzman disposed of $137,505 worth of Class A Common Stock (11,526 units at $11.93), decreasing ownership by 11% to 97,169 unitsByQuantisnow·Wall Street's wire, on your screen.SDC· SmileDirectClub Inc.Health CareOriginal source