CRISPR THERAPEUTICS AG

Ticker: CRSP CUSIP: H17182108 Class: NAMEN AKT

Sterling Investment Advisors, Ltd.'s Holding History (CIK: 0001701132)

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

Q2 2022

Shares 600 Value ($000) $36 Avg Close $58.79 Range $42.51 - $75.42

Q1 2022

Shares 600 Value ($000) $38 Avg Close $62.79 Range $50.54 - $79.40

Q4 2021

Shares 600 Value ($000) $45 Avg Close $87.36 Range $67.15 - $112.39

Q3 2021

Shares 400 Value ($000) $45 Avg Close $125.59 Range $109.63 - $163.00

Q2 2021

Shares 400 Value ($000) $65 Avg Close $121.62 Range $95.11 - $169.76

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	600	$36	$58.79	$42.51 - $75.42
Q1 2022	600	$38	$62.79	$50.54 - $79.40
Q4 2021	600	$45	$87.36	$67.15 - $112.39
Q3 2021	400	$45	$125.59	$109.63 - $163.00
Q2 2021	400	$65	$121.62	$95.11 - $169.76