Live feed17:12:52·1624dINSIDERFilingvia QuantisnowSEC Form 4: Cai Chenyu Caroline covered exercise/tax liability with 3,929 units of Class B common stock and converted options into 5,615 units of Class B common stockByQuantisnow·Wall Street's wire, on your screen.PZN· Pzena Investment Management IncFinanceOriginal source