ATHERSYS INC

CUSIP: 04744L106 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q2 2020
Shares 18,800 Value ($000) $52 Avg Close — Range —
Q1 2020
Shares 52,600 Value ($000) $158 Avg Close — Range —
Q4 2019
Shares 41,000 Value ($000) $50 Avg Close — Range —
Q3 2019
Shares 41,000 Value ($000) $55 Avg Close — Range —