ATHERSYS INC

CUSIP: 04744L106 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q3 2021
Shares 43,450 Value ($000) $58 Avg Close — Range —
Q2 2021
Shares 43,450 Value ($000) $63 Avg Close — Range —
Q3 2020
Shares 17,738 Value ($000) $35 Avg Close — Range —
Q2 2020
Shares 54,202 Value ($000) $150 Avg Close — Range —