ATHERSYS INC

CUSIP: 04744L106 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q1 2021
Shares 247,500 Value ($000) $445 Avg Close — Range —
Q4 2020
Shares 247,500 Value ($000) $433 Avg Close — Range —
Q3 2020
Shares 278,300 Value ($000) $543 Avg Close — Range —
Q2 2020
Shares 206,800 Value ($000) $571 Avg Close — Range —
Q1 2020
Shares 206,800 Value ($000) $620 Avg Close — Range —
Q4 2019
Shares 192,100 Value ($000) $236 Avg Close — Range —
Q3 2019
Shares 192,100 Value ($000) $255 Avg Close — Range —
Q2 2019
Shares 154,500 Value ($000) $260 Avg Close — Range —
Q1 2019
Shares 151,100 Value ($000) $227 Avg Close — Range —
Q4 2018
Shares 116,500 Value ($000) $168 Avg Close — Range —
Q3 2018
Shares 75,000 Value ($000) $157 Avg Close — Range —
Q2 2018
Shares 75,000 Value ($000) $148 Avg Close — Range —
Q1 2018
Shares 75,000 Value ($000) $137 Avg Close — Range —
Q4 2017
Shares 75,000 Value ($000) $136 Avg Close — Range —
Q3 2017
Shares 75,000 Value ($000) $154 Avg Close — Range —
Q2 2017
Shares 75,000 Value ($000) $113 Avg Close — Range —