ATHERSYS INC NEW

Ticker: ATHXQ CUSIP: 04744L205 Class: COM

Green Alpha Advisors, LLC's Holding History (CIK: 0001439207)

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

Q2 2023

Shares 21,334 Value ($000) $19 Avg Close $0.90 Range $0.72 - $1.25

Q1 2023

Shares 23,388 Value ($000) $29 Avg Close $1.42 Range $0.75 - $1.99

Q4 2022

Shares 24,400 Value ($000) $20 Avg Close $1.24 Range $0.50 - $2.76

Q3 2022

Shares 24,872 Value ($000) $46 Avg Close $4.36 Range $1.13 - $9.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	21,334	$19	$0.90	$0.72 - $1.25
Q1 2023	23,388	$29	$1.42	$0.75 - $1.99
Q4 2022	24,400	$20	$1.24	$0.50 - $2.76
Q3 2022	24,872	$46	$4.36	$1.13 - $9.70