Live feed19:34:23·897dINSIDERFilingvia QuantisnowGold Mitchell exercised 2,402 shares at a strike of $0.45 and sold $48,064 worth of shares (2,402 units at $20.01) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ALPN· Alpine Immune Sciences Inc.Health CareOriginal source