CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2021

Shares 5,351 Value ($000) $356 Avg Close $70.37 Range $57.64 - $78.58

Q2 2021

Shares 2,943 Value ($000) $216 Avg Close $66.05 Range $48.01 - $78.92

Q1 2021

Shares 10,658 Value ($000) $730 Avg Close $75.16 Range $56.74 - $107.69

Q3 2020

Shares 4,716 Value ($000) $243 Avg Close $44.49 Range $36.15 - $52.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	5,351	$356	$70.37	$57.64 - $78.58
Q2 2021	2,943	$216	$66.05	$48.01 - $78.92
Q1 2021	10,658	$730	$75.16	$56.74 - $107.69
Q3 2020	4,716	$243	$44.49	$36.15 - $52.41