CASTLE BIOSCIENCES INC

Ticker: CSTL CUSIP: 14843C105 Class: Common Stock

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q3 2021

Shares 44,818 Value ($000) $3,296 Avg Close $70.37 Range $57.64 - $78.58

Q2 2021

Shares 46,518 Value ($000) $3,508 Avg Close $66.05 Range $48.01 - $78.92

Q1 2021

Shares 46,098 Value ($000) $3,262 Avg Close $75.16 Range $56.74 - $107.69

Q4 2020

Shares 67,058 Value ($000) $5,131 Avg Close $54.21 Range $43.37 - $78.39

Q3 2020

Shares 149,599 Value ($000) $7,962 Avg Close $44.49 Range $36.15 - $52.41

Q2 2020

Shares 86,762 Value ($000) $3,804 Avg Close $34.17 Range $25.07 - $44.53

Q4 2019

Shares 484 Value ($000) $17 Avg Close $24.45 Range $15.26 - $39.77

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	44,818	$3,296	$70.37	$57.64 - $78.58
Q2 2021	46,518	$3,508	$66.05	$48.01 - $78.92
Q1 2021	46,098	$3,262	$75.16	$56.74 - $107.69
Q4 2020	67,058	$5,131	$54.21	$43.37 - $78.39
Q3 2020	149,599	$7,962	$44.49	$36.15 - $52.41
Q2 2020	86,762	$3,804	$34.17	$25.07 - $44.53
Q4 2019	484	$17	$24.45	$15.26 - $39.77