$SIGA Technologies(SIGA)$ 8-K - Current report Filed: 2016-08-02 AccNo: 0001140361-16-074412 Size: 158 KBItem 1.01: Entry into a Material Definitive AgreementItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Cert 网页链接