CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

QUADRANT CAPITAL GROUP LLC's Holding History (CIK: 0001650717)

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

Q4 2025

Shares 80 Value ($000) $2 Avg Close $22.28 Range $19.90 - $25.14

Q3 2025

Shares 80 Value ($000) $2 Avg Close $20.57 Range $19.05 - $22.53

Q1 2025

Shares 842 Value ($000) $20 Avg Close $22.52 Range $19.15 - $26.16

Q1 2023

Shares 81 Value ($000) $1 Avg Close $16.50 Range $13.30 - $22.11

Q4 2022

Shares 65 Value ($000) $1 Avg Close $15.40 Range $12.08 - $19.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	80	$2	$22.28	$19.90 - $25.14
Q3 2025	80	$2	$20.57	$19.05 - $22.53
Q1 2025	842	$20	$22.52	$19.15 - $26.16
Q1 2023	81	$1	$16.50	$13.30 - $22.11
Q4 2022	65	$1	$15.40	$12.08 - $19.78