ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

Cormorant Asset Management, LP's Holding History (CIK: 0001583977)

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

Q3 2019
Shares 300,000 Value ($000) $4,236 Avg Close — Range —
Q2 2019
Shares 400,000 Value ($000) $8,044 Avg Close — Range —
Q1 2019
Shares 550,000 Value ($000) $21,863 Avg Close — Range —
Q3 2016
Shares 186,460 Value ($000) $3,988 Avg Close — Range —
Q2 2016
Shares 186,460 Value ($000) $4,197 Avg Close — Range —
Q1 2016
Shares 150,000 Value ($000) $2,855 Avg Close — Range —
Q4 2015
Shares 150,000 Value ($000) $3,962 Avg Close — Range —
Q3 2015
Shares 150,000 Value ($000) $4,716 Avg Close — Range —
Q2 2015
Shares 50,000 Value ($000) $2,638 Avg Close — Range —