Live feed09:30:08·451dINSIDERFilingvia QuantisnowLarge owner Nierenberg David bought $207,502 worth of shares (22,169 units at $9.36), increasing direct ownership by 22% to 124,167 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PBPB· Potbelly CorporationConsumer DiscretionaryOriginal source