ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

FRANKLIN STREET ADVISORS INC /NC's Holding History (CIK: 0001010873)

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

Q1 2017
Shares 30,790 Value ($000) $633 Avg Close — Range —
Q4 2016
Shares 10,790 Value ($000) $153 Avg Close — Range —
Q3 2016
Shares 10,000 Value ($000) $214 Avg Close — Range —