ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q4 2021
Shares 12,600 Value ($000) $199 Avg Close — Range —
Q3 2021
Shares 16,600 Value ($000) $297 Avg Close — Range —
Q2 2021
Shares 16,000 Value ($000) $249 Avg Close — Range —