ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

12 West Capital Management LP's Holding History (CIK: 0001540531)

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

Q3 2020
Shares 158,700 Value ($000) $2,057 Avg Close — Range —
Q2 2020
Shares 158,700 Value ($000) $2,312 Avg Close — Range —
Q1 2020
Shares 158,700 Value ($000) $1,351 Avg Close — Range —
Q4 2019
Shares 158,700 Value ($000) $2,614 Avg Close — Range —
Q3 2019
Shares 158,700 Value ($000) $2,241 Avg Close — Range —
Q2 2019
Shares 158,700 Value ($000) $3,191 Avg Close — Range —
Q1 2019
Shares 158,700 Value ($000) $6,308 Avg Close — Range —
Q4 2018
Shares 158,700 Value ($000) $5,513 Avg Close — Range —
Q3 2018
Shares 158,700 Value ($000) $6,562 Avg Close — Range —
Q2 2018
Shares 158,700 Value ($000) $5,832 Avg Close — Range —
Q1 2018
Shares 178,700 Value ($000) $6,969 Avg Close — Range —
Q4 2017
Shares 398,700 Value ($000) $7,216 Avg Close — Range —
Q3 2017
Shares 398,700 Value ($000) $6,598 Avg Close — Range —
Q2 2017
Shares 398,700 Value ($000) $5,582 Avg Close — Range —
Q1 2017
Shares 398,700 Value ($000) $8,193 Avg Close — Range —
Q4 2016
Shares 398,700 Value ($000) $5,662 Avg Close — Range —
Q3 2016
Shares 398,700 Value ($000) $8,528 Avg Close — Range —
Q2 2016
Shares 398,700 Value ($000) $8,975 Avg Close — Range —
Q1 2016
Shares 398,700 Value ($000) $7,587 Avg Close — Range —
Q4 2015
Shares 393,700 Value ($000) $10,398 Avg Close — Range —
Q3 2015
Shares 231,697 Value ($000) $7,285 Avg Close — Range —