ATRECA INC

CUSIP: 04965G109 Class: COMMON

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2022
Shares 12,600 Value ($000) $40 Avg Close — Range —
Q4 2021
Shares 23,000 Value ($000) $70 Avg Close — Range —
Q3 2021
Shares 27,100 Value ($000) $169 Avg Close — Range —
Q2 2021
Shares 27,100 Value ($000) $231 Avg Close — Range —
Q1 2021
Shares 20,900 Value ($000) $320 Avg Close — Range —
Q4 2020
Shares 23,300 Value ($000) $376 Avg Close — Range —
Q3 2020
Shares 21,800 Value ($000) $305 Avg Close — Range —
Q2 2020
Shares 22,400 Value ($000) $477 Avg Close — Range —
Q1 2020
Shares 14,100 Value ($000) $233 Avg Close — Range —