CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025
Shares 1,617,208 Value ($000) $37,746 Avg Close $22.28 Range $19.90 - $25.14
Q3 2025
Shares 1,304,774 Value ($000) $25,704 Avg Close $20.57 Range $19.05 - $22.53
Q2 2025
Shares 1,223,623 Value ($000) $26,553 Avg Close $23.61 Range $20.40 - $26.58
Q1 2025
Shares 1,035,029 Value ($000) $25,099 Avg Close $22.52 Range $19.15 - $26.16
Q4 2024
Shares 698,152 Value ($000) $14,570 Avg Close $21.48 Range $19.54 - $24.27
Q3 2024
Shares 301,646 Value ($000) $5,997 Avg Close $18.54 Range $14.97 - $21.67
Q1 2024
Shares 12,921 Value ($000) $0 Avg Close $15.07 Range $13.12 - $17.50
Q3 2023
Shares 144,699 Value ($000) $2 Avg Close $13.38 Range $11.59 - $15.59
Q2 2023
Shares 61,955 Value ($000) $1 Avg Close $14.39 Range $11.09 - $18.22
Q1 2023
Shares 167,787 Value ($000) $3 Avg Close $16.50 Range $13.30 - $22.11
Q2 2022
Shares 19,548 Value ($000) $137 Avg Close $7.33 Range $6.15 - $8.65
Q1 2022
Shares 315,151 Value ($000) $2,613 Avg Close $7.07 Range $5.24 - $8.64
Q4 2021
Shares 176,049 Value ($000) $1,192 Avg Close $6.58 Range $5.05 - $7.58
Q3 2021
Shares 30,800 Value ($000) $163 Avg Close $5.47 Range $4.81 - $6.24
Q4 2020
Shares 295,292 Value ($000) $986 Avg Close $3.36 Range $2.88 - $3.99
Q2 2020
Shares 63,400 Value ($000) $293 Avg Close $4.49 Range $3.40 - $5.15
Q4 2019
Shares 731,259 Value ($000) $2,742 Avg Close $4.68 Range $3.65 - $5.83