ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

Sowell Financial Services LLC's Holding History (CIK: 0001633697)

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

Q1 2021
Shares 1,094 Value ($000) $14 Avg Close — Range —
Q4 2020
Shares 500 Value ($000) $10 Avg Close — Range —
Q3 2020
Shares 300 Value ($000) $4 Avg Close — Range —
Q2 2020
Shares 200 Value ($000) $3 Avg Close — Range —