ATARA BIOTHERAPEUTICS INC

CUSIP: 046513107 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2022
Shares 37,030 Value ($000) $344 Avg Close — Range —
Q4 2021
Shares 118,400 Value ($000) $1,866 Avg Close — Range —
Q3 2021
Shares 98,700 Value ($000) $1,767 Avg Close — Range —
Q2 2021
Shares 97,759 Value ($000) $1,520 Avg Close — Range —
Q1 2021
Shares 143,699 Value ($000) $2,064 Avg Close — Range —
Q4 2020
Shares 118,455 Value ($000) $2,325 Avg Close — Range —
Q3 2020
Shares 127,900 Value ($000) $1,658 Avg Close — Range —
Q2 2020
Shares 153,393 Value ($000) $2,235 Avg Close — Range —
Q1 2020
Shares 107,693 Value ($000) $916 Avg Close — Range —
Q4 2019
Shares 101,819 Value ($000) $1,677 Avg Close — Range —
Q3 2019
Shares 32,502 Value ($000) $459 Avg Close — Range —