CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2025
Shares 1,729,463 Value ($000) $67,276 Avg Close $32.24 Range $22.05 - $42.17
Q3 2025
Shares 1,515,111 Value ($000) $34,499 Avg Close $20.31 Range $14.59 - $24.74
Q2 2025
Shares 1,489,572 Value ($000) $30,417 Avg Close $18.51 Range $15.45 - $22.82
Q1 2025
Shares 1,265,223 Value ($000) $25,330 Avg Close $24.76 Range $18.70 - $32.74
Q4 2024
Shares 776,579 Value ($000) $20,696 Avg Close $30.46 Range $25.82 - $35.84
Q3 2024
Shares 1,255,628 Value ($000) $35,811 Avg Close $25.45 Range $16.96 - $32.53
Q2 2024
Shares 1,210,952 Value ($000) $26,362 Avg Close $22.28 Range $18.50 - $25.91
Q1 2024
Shares 1,043,410 Value ($000) $23,112 Avg Close $21.76 Range $17.42 - $25.60
Q4 2023
Shares 728,653 Value ($000) $15,724 Avg Close $17.60 Range $12.07 - $22.66
Q3 2023
Shares 253,028 Value ($000) $4,274 Avg Close $17.49 Range $13.18 - $20.96
Q2 2023
Shares 431,474 Value ($000) $5,920 Avg Close $20.26 Range $9.26 - $26.70
Q1 2023
Shares 256,649 Value ($000) $5,831 Avg Close $24.43 Range $18.79 - $29.59
Q4 2022
Shares 583,716 Value ($000) $13,741 Avg Close $23.18 Range $17.82 - $30.08
Q3 2022
Shares 300,590 Value ($000) $7,839 Avg Close $28.03 Range $21.78 - $36.09
Q2 2022
Shares 154,968 Value ($000) $3,402 Avg Close $23.24 Range $15.58 - $47.27
Q2 2021
Shares 9,127 Value ($000) $669 Avg Close $66.05 Range $48.01 - $78.92
Q4 2020
Shares 16,573 Value ($000) $1,113 Avg Close $54.21 Range $43.37 - $78.39
Q3 2020
Shares 27,632 Value ($000) $1,422 Avg Close $44.49 Range $36.15 - $52.41
Q2 2020
Shares 71,834 Value ($000) $2,707 Avg Close $34.17 Range $25.07 - $44.53
Q1 2020
Shares 135,654 Value ($000) $4,044 Avg Close $30.17 Range $21.01 - $36.39
Q4 2019
Shares 305,578 Value ($000) $10,503 Avg Close $24.45 Range $15.26 - $39.77
Q3 2019
Shares 124,931 Value ($000) $2,260 Avg Close $22.17 Range $17.10 - $28.50