SIENTRA INC

CUSIP: 82621J105 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q3 2015
Shares 40,000 Value ($000) $406,000 Avg Close — Range —
Q2 2015
Shares 43,129 Value ($000) $1,088,000 Avg Close — Range —
Q1 2015
Shares 68,400 Value ($000) $1,313,000 Avg Close — Range —
Q4 2014
Shares 76,000 Value ($000) $1,276,000 Avg Close — Range —