SIENTRA INC

CUSIP: 82621J105 Class: COM

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

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

Q1 2022
Shares 109,700 Value ($000) $244 Avg Close — Range —
Q4 2021
Shares 109,400 Value ($000) $401 Avg Close — Range —
Q3 2021
Shares 109,400 Value ($000) $627 Avg Close — Range —
Q2 2021
Shares 109,400 Value ($000) $871 Avg Close — Range —
Q1 2021
Shares 109,400 Value ($000) $798 Avg Close — Range —
Q4 2020
Shares 127,900 Value ($000) $498 Avg Close — Range —
Q3 2020
Shares 127,900 Value ($000) $435 Avg Close — Range —
Q2 2020
Shares 127,900 Value ($000) $495 Avg Close — Range —
Q1 2020
Shares 101,700 Value ($000) $202 Avg Close — Range —
Q4 2019
Shares 84,400 Value ($000) $755 Avg Close — Range —
Q3 2019
Shares 84,400 Value ($000) $547 Avg Close — Range —
Q2 2019
Shares 67,400 Value ($000) $415 Avg Close — Range —
Q1 2019
Shares 26,000 Value ($000) $223 Avg Close — Range —
Q4 2018
Shares 21,500 Value ($000) $273 Avg Close — Range —
Q3 2018
Shares 21,500 Value ($000) $513 Avg Close — Range —
Q2 2018
Shares 18,100 Value ($000) $353 Avg Close — Range —