Live feed18:19:03·1655dINSIDERFilingvia QuantisnowSEC Form 4: Cheung Chiyue exercised 75,000 shares at a strike of $5.11 and returned $1,149,000 worth of shares to the company (75,000 units at $15.32)ByQuantisnow·Wall Street's wire, on your screen.NPTN· NeoPhotonics CorporationTechnologyOriginal source