SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2018

Shares 10,892 Value ($000) $87 Avg Close $4.19 Range $3.43 - $5.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	10,892	$87	$4.19	$3.43 - $5.81