Live feed21:30:33·11dINSIDERFilingvia QuantisnowDirector Keane John M converted options into 24,116 shares and returned $31,762 worth of shares to the company (7,235 units at $4.39) (SEC Form 4) to satisfy withholding obligationByQuantisnow·Wall Street's wire, on your screen.SIGA· SIGA Technologies Inc.Health CareOriginal source