CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

Rossby Financial, LCC's Holding History (CIK: 0002056510)

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

Q4 2025

Shares 429 Value ($000) $17 Avg Close $32.24 Range $22.05 - $42.17

Q3 2025

Shares 382 Value ($000) $9 Avg Close $20.31 Range $14.59 - $24.74

Q2 2025

Shares 142 Value ($000) $3 Avg Close $18.51 Range $15.45 - $22.82

Q1 2025

Shares 142 Value ($000) $3 Avg Close $24.76 Range $18.70 - $32.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	429	$17	$32.24	$22.05 - $42.17
Q3 2025	382	$9	$20.31	$14.59 - $24.74
Q2 2025	142	$3	$18.51	$15.45 - $22.82
Q1 2025	142	$3	$24.76	$18.70 - $32.74