CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

Quarry LP's Holding History (CIK: 0001965207)

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

Q3 2025

Shares 2,011 Value ($000) $40 Avg Close $20.57 Range $19.05 - $22.53

Q1 2025

Shares 8,000 Value ($000) $194 Avg Close $22.52 Range $19.15 - $26.16

Q4 2024

Shares 5,000 Value ($000) $104 Avg Close $21.48 Range $19.54 - $24.27

Q2 2024

Shares 16,334 Value ($000) $253 Avg Close $15.57 Range $14.47 - $17.03

Q1 2024

Shares 6,050 Value ($000) $96 Avg Close $15.07 Range $13.12 - $17.50

Q4 2023

Shares 1,000 Value ($000) $17 Avg Close $13.67 Range $11.55 - $17.40

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,011	$40	$20.57	$19.05 - $22.53
Q1 2025	8,000	$194	$22.52	$19.15 - $26.16
Q4 2024	5,000	$104	$21.48	$19.54 - $24.27
Q2 2024	16,334	$253	$15.57	$14.47 - $17.03
Q1 2024	6,050	$96	$15.07	$13.12 - $17.50
Q4 2023	1,000	$17	$13.67	$11.55 - $17.40