Live feed17:04:43·1717dINSIDERFilingvia QuantisnowSEC Form 4: Lipson Matthew A. exercised 2,855 units of Common Stock at a strike of $35.04, increasing direct ownership by 210% to 4,213 unitsByQuantisnow·Wall Street's wire, on your screen.STMP· Stamps.com Inc.MiscellaneousOriginal source