ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

DIMENSION CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001041773)

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

Q4 2023
Shares 14,000 Value ($000) $7 Avg Close — Range —
Q3 2023
Shares 14,000 Value ($000) $21 Avg Close — Range —
Q2 2023
Shares 28,000 Value ($000) $45 Avg Close — Range —
Q1 2023
Shares 14,000 Value ($000) $41 Avg Close — Range —
Q4 2022
Shares 14,000 Value ($000) $46 Avg Close — Range —