CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

Tidemark, LLC's Holding History (CIK: 0002009591)

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

Q4 2025

Shares 320 Value ($000) $7 Avg Close $22.28 Range $19.90 - $25.14

Q3 2025

Shares 640 Value ($000) $13 Avg Close $20.57 Range $19.05 - $22.53

Q2 2025

Shares 1,055 Value ($000) $23 Avg Close $23.61 Range $20.40 - $26.58

Q1 2025

Shares 247 Value ($000) $6 Avg Close $22.52 Range $19.15 - $26.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	320	$7	$22.28	$19.90 - $25.14
Q3 2025	640	$13	$20.57	$19.05 - $22.53
Q2 2025	1,055	$23	$23.61	$20.40 - $26.58
Q1 2025	247	$6	$22.52	$19.15 - $26.16