Live feed16:20:21·26dINSIDERFilingvia QuantisnowChief Financial Officer Sanfratello Louisa exercised 50,000 shares at a strike of $3.52 and sold $240,140 worth of shares (50,000 units at $4.80) (SEC Form 4) to satisfy tax liabilityByQuantisnow·Wall Street's wire, on your screen.AMPG· Amplitech Group Inc.TelecommunicationsOriginal source