Live feed17:44:08·1429dINSIDERFilingvia QuantisnowSEC Form 4: Cheung Chiyue converted options into 13,475 shares and returned $211,917 worth of shares to the company (13,475 units at $15.73)ByQuantisnow·Wall Street's wire, on your screen.NPTN· NeoPhotonics CorporationTechnologyOriginal source