ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q3 2016
Shares 132,471 Value ($000) $2,834 Avg Close — Range —
Q2 2016
Shares 126,400 Value ($000) $2,845 Avg Close — Range —
Q1 2016
Shares 126,400 Value ($000) $2,405 Avg Close — Range —
Q4 2015
Shares 126,400 Value ($000) $3,338 Avg Close — Range —
Q3 2015
Shares 126,400 Value ($000) $3,974 Avg Close — Range —
Q2 2015
Shares 85,700 Value ($000) $4,522 Avg Close — Range —