 NEW YORK, Oct. 29, 2020 GLOBE NEWSWIRE -- SIGA Technologies, Inc. SIGA NASDAQ: SIGA, a commercial-stage pharmaceutical company focused on the health security market, today announced that management will host a webcast and conference call to provide a business update at 4:30 P.M. ET on Thursday, November 5, 2020. Participating on the call will be Dr. Phil Gomez, Chief Executive Officer, and Daniel Luckshire, Chief Financial Officer. 