ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2023
Shares 589,950 Value ($000) $873 Avg Close — Range —
Q1 2019
Shares 193,461 Value ($000) $7,690 Avg Close — Range —
Q4 2018
Shares 221,917 Value ($000) $7,709 Avg Close — Range —
Q3 2018
Shares 240,948 Value ($000) $9,963 Avg Close — Range —
Q2 2018
Shares 278,857 Value ($000) $10,248 Avg Close — Range —
Q1 2018
Shares 142,827 Value ($000) $5,570 Avg Close — Range —