CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

LEVEL FOUR ADVISORY SERVICES, LLC's Holding History (CIK: 0001696715)

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

Q3 2021

Shares 5,265 Value ($000) $350 Avg Close $70.37 Range $57.64 - $78.58

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	5,265	$350	$70.37	$57.64 - $78.58