CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 17,410 Value ($000) $677 Avg Close $32.24 Range $22.05 - $42.17

Q3 2025

Shares 45,000 Value ($000) $1,025 Avg Close $20.31 Range $14.59 - $24.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	17,410	$677	$32.24	$22.05 - $42.17
Q3 2025	45,000	$1,025	$20.31	$14.59 - $24.74