Live feed17:23:19·1753dINSIDERFilingvia QuantisnowSEC Form 4: Weis Holger bought $91,500 worth of Common Stock (50,000 units at $1.83), increasing direct ownership by 71% to 120,167 unitsByQuantisnow·Wall Street's wire, on your screen.ZIOP· ZIOPHARM Oncology IncHealth CareOriginal source