ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q1 2024
Shares 80,000 Value ($000) $56 Avg Close — Range —
Q4 2023
Shares 80,000 Value ($000) $41 Avg Close — Range —
Q3 2021
Shares 20,000 Value ($000) $358 Avg Close — Range —
Q2 2021
Shares 20,000 Value ($000) $311 Avg Close — Range —
Q1 2021
Shares 20,000 Value ($000) $287 Avg Close — Range —
Q4 2020
Shares 18,000 Value ($000) $353 Avg Close — Range —