SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

HighVista Strategies LLC's Holding History (CIK: 0001335325)

Note: Option positions (PUT/CALL) are excluded.

Q1 2020

Shares 12,600 Value ($000) $60 Avg Close $3.57 Range $2.90 - $4.05

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	12,600	$60	$3.57	$2.90 - $4.05