ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

Americana Partners, LLC's Holding History (CIK: 0001797678)

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

Q4 2021
Shares 20,500 Value ($000) $323 Avg Close — Range —
Q3 2021
Shares 13,025 Value ($000) $233 Avg Close — Range —