Live feed18:58:28·18mINSIDERFilingvia QuantisnowDirector Zhang Ker sold $634,361 worth of shares (10,000 units at $63.44), decreasing direct ownership by 33% to 20,366 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.AMBQ· Ambiq Micro Inc.TechnologyOriginal source