Live feed16:23:58·1627dINSIDERFilingvia QuantisnowSEC Form 4: Wupen Yuen exercised 7,000 shares at a strike of $5.11, increasing direct ownership by 4% to 173,897 unitsByQuantisnow·Wall Street's wire, on your screen.NPTN· NeoPhotonics CorporationTechnologyOriginal source