ATARA BIOTHERAPEUTICS INC

CUSIP: 46513107 Class: COM

STATE STREET CORP's Holding History (CIK: 0000093751)

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

Q3 2015
Shares 773,448 Value ($000) $24,315 Avg Close — Range —
Q2 2015
Shares 190,848 Value ($000) $10,070 Avg Close — Range —