Live feed18:22:59·1090dINSIDERFilingvia QuantisnowSEC Form 4: Welch Daniel G exercised 1,812 shares at a strike of $135.63 and sold $1,029,712 worth of shares (4,925 units at $209.08), decreasing direct ownership by 18% to 6,794 unitsByQuantisnow·Wall Street's wire, on your screen.SGEN· Seagen Inc.Health CareOriginal source