ATRECA INC

CUSIP: 04965G109 Class: COMMON

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q4 2021
Shares 10,624 Value ($000) $32 Avg Close — Range —
Q3 2021
Shares 26,019 Value ($000) $162 Avg Close — Range —
Q1 2021
Shares 7,514 Value ($000) $115 Avg Close — Range —
Q2 2020
Shares 11,627 Value ($000) $247 Avg Close — Range —
Q1 2020
Shares 6,697 Value ($000) $111 Avg Close — Range —
Q2 2019
Shares 14,700 Value ($000) $277 Avg Close — Range —