ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

ACT CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001442273)

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

Q3 2022
Shares 900 Value ($000) $3 Avg Close — Range —
Q2 2022
Shares 9,200 Value ($000) $72 Avg Close — Range —
Q1 2022
Shares 9,200 Value ($000) $85 Avg Close — Range —
Q4 2021
Shares 9,200 Value ($000) $145 Avg Close — Range —
Q3 2021
Shares 116,900 Value ($000) $2,093 Avg Close — Range —
Q2 2021
Shares 116,900 Value ($000) $1,818 Avg Close — Range —