ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

HRT FINANCIAL LP's Holding History (CIK: 0001475597)

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

Q4 2023
Shares 117,267 Value ($000) $0 Avg Close — Range —
Q2 2023
Shares 161,929 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 44,751 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 135,319 Value ($000) $511 Avg Close — Range —
Q2 2021
Shares 17,335 Value ($000) $269 Avg Close — Range —
Q4 2019
Shares 49,032 Value ($000) $807 Avg Close — Range —