CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q3 2019

Shares 1,175,958 Value ($000) $6,244 Avg Close $5.33 Range $3.77 - $7.67

Q1 2018

Shares 1,346,316 Value ($000) $3,218 Avg Close $3.32 Range $2.36 - $4.08

Q4 2017

Shares 1,371,896 Value ($000) $5,364 Avg Close $3.30 Range $2.41 - $4.51

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	1,175,958	$6,244	$5.33	$3.77 - $7.67
Q1 2018	1,346,316	$3,218	$3.32	$2.36 - $4.08
Q4 2017	1,371,896	$5,364	$3.30	$2.41 - $4.51