ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q3 2018
Shares 125 Value ($000) $5 Avg Close — Range —
Q2 2018
Shares 125 Value ($000) $5 Avg Close — Range —
Q1 2018
Shares 125 Value ($000) $5 Avg Close — Range —
Q4 2017
Shares 125 Value ($000) $2 Avg Close — Range —