CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025
Shares 803 Value ($000) $18 Avg Close $20.31 Range $14.59 - $24.74
Q4 2024
Shares 9,796 Value ($000) $261 Avg Close $30.46 Range $25.82 - $35.84
Q3 2024
Shares 6,315 Value ($000) $180 Avg Close $25.45 Range $16.96 - $32.53
Q2 2024
Shares 41 Value ($000) $1 Avg Close $22.28 Range $18.50 - $25.91
Q1 2024
Shares 41 Value ($000) $1 Avg Close $21.76 Range $17.42 - $25.60
Q4 2023
Shares 41 Value ($000) $1 Avg Close $17.60 Range $12.07 - $22.66
Q3 2023
Shares 41 Value ($000) $1 Avg Close $17.49 Range $13.18 - $20.96
Q3 2021
Shares 100 Value ($000) $7 Avg Close $70.37 Range $57.64 - $78.58