ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q3 2023
Shares 32,204 Value ($000) $48 Avg Close — Range —
Q2 2023
Shares 15,821 Value ($000) $25 Avg Close — Range —
Q1 2023
Shares 27,491 Value ($000) $80 Avg Close — Range —
Q4 2022
Shares 15,481 Value ($000) $51 Avg Close — Range —
Q3 2022
Shares 16,172 Value ($000) $61 Avg Close — Range —
Q3 2015
Shares 7,177 Value ($000) $226 Avg Close — Range —