SIENTRA INC

CUSIP: 82621J105 Class: COM

Atika Capital Management LLC's Holding History (CIK: 0001599731)

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

Q4 2018
Shares 182,000 Value ($000) $2,313 Avg Close — Range —
Q3 2018
Shares 256,600 Value ($000) $6,128 Avg Close — Range —
Q2 2018
Shares 160,000 Value ($000) $3,121 Avg Close — Range —
Q1 2018
Shares 165,000 Value ($000) $1,594 Avg Close — Range —
Q4 2017
Shares 184,000 Value ($000) $2,587 Avg Close — Range —
Q3 2017
Shares 220,000 Value ($000) $3,388 Avg Close — Range —
Q2 2017
Shares 220,000 Value ($000) $2,139 Avg Close — Range —
Q1 2017
Shares 250,000 Value ($000) $2,105 Avg Close — Range —
Q4 2016
Shares 210,000 Value ($000) $1,789 Avg Close — Range —