CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q1 2022

Shares 542 Value ($000) $24 Avg Close $41.32 Range $31.46 - $48.40

Q4 2021

Shares 542 Value ($000) $23 Avg Close $52.25 Range $37.99 - $68.65

Q3 2021

Shares 542 Value ($000) $36 Avg Close $70.37 Range $57.64 - $78.58

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	542	$24	$41.32	$31.46 - $48.40
Q4 2021	542	$23	$52.25	$37.99 - $68.65
Q3 2021	542	$36	$70.37	$57.64 - $78.58