Live feed16:25:34·1446dINSIDERFilingvia QuantisnowSEC Form 4: Cheung Chiyue converted options into 16,250 shares and returned $253,966 worth of shares to the company (16,250 units at $15.63)ByQuantisnow·Wall Street's wire, on your screen.NPTN· NeoPhotonics CorporationTechnologyOriginal source