CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2021

Shares 147,867 Value ($000) $9,833 Avg Close $70.37 Range $57.64 - $78.58

Q2 2021

Shares 155,437 Value ($000) $11,398 Avg Close $66.05 Range $48.01 - $78.92

Q1 2021

Shares 163,607 Value ($000) $11,201 Avg Close $75.16 Range $56.74 - $107.69

Q4 2020

Shares 148,197 Value ($000) $9,951 Avg Close $54.21 Range $43.37 - $78.39

Q3 2020

Shares 165,098 Value ($000) $8,494 Avg Close $44.49 Range $36.15 - $52.41

Q2 2020

Shares 147,725 Value ($000) $5,568 Avg Close $34.17 Range $25.07 - $44.53

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	147,867	$9,833	$70.37	$57.64 - $78.58
Q2 2021	155,437	$11,398	$66.05	$48.01 - $78.92
Q1 2021	163,607	$11,201	$75.16	$56.74 - $107.69
Q4 2020	148,197	$9,951	$54.21	$43.37 - $78.39
Q3 2020	165,098	$8,494	$44.49	$36.15 - $52.41
Q2 2020	147,725	$5,568	$34.17	$25.07 - $44.53