Live feed19:44:14·1336dINSIDERFilingvia QuantisnowSEC Form 4: Hammann Greggory C returned $2,159,040 worth of shares to the company (53,976 units at $40.00), closing all direct ownership in the companyByQuantisnow·Wall Street's wire, on your screen.POLY· Plantronics Inc.UtilitiesOriginal source