CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

FOX RUN MANAGEMENT, L.L.C.'s Holding History (CIK: 0001533457)

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

Q4 2025

Shares 21,884 Value ($000) $851 Avg Close $32.24 Range $22.05 - $42.17

Q3 2025

Shares 13,820 Value ($000) $315 Avg Close $20.31 Range $14.59 - $24.74

Q4 2024

Shares 10,716 Value ($000) $286 Avg Close $30.46 Range $25.82 - $35.84

Q4 2023

Shares 12,150 Value ($000) $262 Avg Close $17.60 Range $12.07 - $22.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21,884	$851	$32.24	$22.05 - $42.17
Q3 2025	13,820	$315	$20.31	$14.59 - $24.74
Q4 2024	10,716	$286	$30.46	$25.82 - $35.84
Q4 2023	12,150	$262	$17.60	$12.07 - $22.66