Live feed07:54:53·1197dINSIDERFilingvia QuantisnowSEC Form 4: Tierney David S bought $20,732 worth of shares (5,000 units at $4.15), increasing direct ownership by 86% to 10,835 unitsByQuantisnow·Wall Street's wire, on your screen.KMPH· KemPharm Inc.Health CareOriginal source