ATHERSYS INC

CUSIP: 04744L106 Class: COM

GW&K Investment Management, LLC's Holding History (CIK: 0001082917)

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

Q1 2022
Shares 510,100 Value ($000) $309 Avg Close — Range —
Q4 2021
Shares 513,600 Value ($000) $464 Avg Close — Range —
Q3 2021
Shares 521,400 Value ($000) $693 Avg Close — Range —
Q2 2021
Shares 525,850 Value ($000) $757 Avg Close — Range —
Q1 2021
Shares 525,850 Value ($000) $947 Avg Close — Range —
Q4 2020
Shares 532,550 Value ($000) $932 Avg Close — Range —
Q3 2020
Shares 551,950 Value ($000) $1,076 Avg Close — Range —
Q2 2020
Shares 572,150 Value ($000) $1,579 Avg Close — Range —
Q1 2020
Shares 527,050 Value ($000) $1,581 Avg Close — Range —