Live feed17:28:28·1951dINSIDERFilingvia QuantisnowSEC Form 4: B. Steven Katzman converted 412,000 units into Class A Common Stock and sold $6,448,120 worth of Class A Common Stock (412,000 units at $15.65)ByQuantisnow·Wall Street's wire, on your screen.SDC· SmileDirectClub Inc.Health CareOriginal source