Live feed18:48:40·1803dINSIDERFilingvia QuantisnowSEC Form 4: CHUNG DONG CHUNE CHRISTOPHER sold $497,928 worth of Common Stock (18,561 units at $26.83), decreasing direct ownership by 17% to 93,136 unitsByQuantisnow·Wall Street's wire, on your screen.NTUS· Natus Medical IncorporatedHealth CareOriginal source