CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2018

Shares 2,489 Value ($000) $9 Avg Close $3.13 Range $2.70 - $4.05

Q4 2016

Shares 1,900 Value ($000) $2 Avg Close $1.14 Range $0.94 - $1.58

Q3 2016

Shares 2,200 Value ($000) $2 Avg Close $0.90 Range $0.68 - $1.35

Q2 2016

Shares 2,200 Value ($000) $2 Avg Close $0.81 Range $0.51 - $1.29

Q1 2016

Shares 2,600 Value ($000) $3 Avg Close $1.55 Range $0.93 - $2.44

Q2 2015

Shares 1,400 Value ($000) $6 Avg Close $3.99 Range $2.71 - $4.87

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	2,489	$9	$3.13	$2.70 - $4.05
Q4 2016	1,900	$2	$1.14	$0.94 - $1.58
Q3 2016	2,200	$2	$0.90	$0.68 - $1.35
Q2 2016	2,200	$2	$0.81	$0.51 - $1.29
Q1 2016	2,600	$3	$1.55	$0.93 - $2.44
Q2 2015	1,400	$6	$3.99	$2.71 - $4.87