CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q4 2025
Shares 4,911,161 Value ($000) $114,626 Avg Close $22.28 Range $19.90 - $25.14
Q3 2025
Shares 4,974,767 Value ($000) $98,003 Avg Close $20.57 Range $19.05 - $22.53
Q2 2025
Shares 2,879,476 Value ($000) $62,485 Avg Close $23.61 Range $20.40 - $26.58
Q1 2025
Shares 3,422,149 Value ($000) $82,987 Avg Close $22.52 Range $19.15 - $26.16
Q4 2024
Shares 3,133,011 Value ($000) $65,386 Avg Close $21.48 Range $19.54 - $24.27
Q3 2024
Shares 6,229,634 Value ($000) $123,845 Avg Close $18.54 Range $14.97 - $21.67
Q2 2024
Shares 9,127,305 Value ($000) $141,382 Avg Close $15.57 Range $14.47 - $17.03
Q1 2024
Shares 9,130,817 Value ($000) $145,545 Avg Close $15.07 Range $13.12 - $17.50
Q4 2023
Shares 8,888,901 Value ($000) $149,422 Avg Close $13.67 Range $11.55 - $17.40
Q3 2023
Shares 8,192,000 Value ($000) $95,764 Avg Close $13.38 Range $11.59 - $15.59
Q2 2023
Shares 8,192,000 Value ($000) $110,100 Avg Close $14.39 Range $11.09 - $18.22
Q1 2023
Shares 10,355,099 Value ($000) $171,688 Avg Close $16.50 Range $13.30 - $22.11
Q4 2022
Shares 5,884,448 Value ($000) $109,451 Avg Close $15.40 Range $12.08 - $19.78
Q3 2022
Shares 4,896,000 Value ($000) $62,816 Avg Close $11.85 Range $6.87 - $17.22