SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 45,527 Value ($000) $331 Avg Close $5.16 Range $4.60 - $5.75

Q3 2020

Shares 43,912 Value ($000) $302 Avg Close $4.98 Range $3.92 - $5.93

Q2 2020

Shares 32,938 Value ($000) $195 Avg Close $4.18 Range $3.26 - $4.63

Q1 2020

Shares 17,571 Value ($000) $84 Avg Close $3.57 Range $2.90 - $4.05

Q2 2019

Shares 18,946 Value ($000) $108 Avg Close $4.05 Range $3.68 - $4.62

Q1 2019

Shares 12,858 Value ($000) $77 Avg Close $4.91 Range $4.04 - $5.92

Q4 2018

Shares 10,008 Value ($000) $79 Avg Close $4.19 Range $3.43 - $5.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	45,527	$331	$5.16	$4.60 - $5.75
Q3 2020	43,912	$302	$4.98	$3.92 - $5.93
Q2 2020	32,938	$195	$4.18	$3.26 - $4.63
Q1 2020	17,571	$84	$3.57	$2.90 - $4.05
Q2 2019	18,946	$108	$4.05	$3.68 - $4.62
Q1 2019	12,858	$77	$4.91	$4.04 - $5.92
Q4 2018	10,008	$79	$4.19	$3.43 - $5.81