ATRECA INC

CUSIP: 04965G109 Class: COMMON

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2024
Shares 1 Value ($000) $0 Avg Close — Range —
Q4 2023
Shares 100 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 4,846 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 5,183 Value ($000) $8 Avg Close — Range —
Q2 2022
Shares 6,121 Value ($000) $10 Avg Close — Range —
Q1 2022
Shares 5,866 Value ($000) $18 Avg Close — Range —
Q4 2021
Shares 3,699 Value ($000) $11 Avg Close — Range —
Q3 2021
Shares 15,758 Value ($000) $136 Avg Close — Range —
Q2 2021
Shares 15,758 Value ($000) $134 Avg Close — Range —
Q4 2020
Shares 544 Value ($000) $8 Avg Close — Range —