ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q2 2019
Shares 50,675 Value ($000) $1,019 Avg Close — Range —
Q1 2019
Shares 52,050 Value ($000) $2,069 Avg Close — Range —
Q4 2018
Shares 1,491,084 Value ($000) $51,800 Avg Close — Range —
Q3 2018
Shares 1,502,811 Value ($000) $62,141 Avg Close — Range —
Q2 2018
Shares 1,256,008 Value ($000) $46,158 Avg Close — Range —
Q1 2018
Shares 1,435,019 Value ($000) $55,966 Avg Close — Range —
Q4 2017
Shares 3,146,820 Value ($000) $56,957 Avg Close — Range —
Q3 2017
Shares 2,775,721 Value ($000) $45,938 Avg Close — Range —
Q2 2017
Shares 2,083,017 Value ($000) $29,162 Avg Close — Range —
Q1 2017
Shares 1,931,522 Value ($000) $39,693 Avg Close — Range —
Q4 2016
Shares 1,560,612 Value ($000) $22,161 Avg Close — Range —
Q3 2016
Shares 1,320,327 Value ($000) $28,242 Avg Close — Range —
Q2 2016
Shares 1,253,308 Value ($000) $28,212 Avg Close — Range —
Q1 2016
Shares 850,040 Value ($000) $16,176 Avg Close — Range —
Q4 2015
Shares 736,520 Value ($000) $19,451 Avg Close — Range —
Q3 2015
Shares 472,454 Value ($000) $14,854 Avg Close — Range —
Q2 2015
Shares 123,668 Value ($000) $6,525 Avg Close — Range —
Q1 2015
Shares 122,134 Value ($000) $5,077 Avg Close — Range —