STEMCELLS INC

CUSIP: 85857R204 Class: COM

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q1 2016
Shares 58,324 Value ($000) $15 Avg Close — Range —
Q3 2015
Shares 33,265 Value ($000) $14 Avg Close — Range —
Q1 2015
Shares 17,023 Value ($000) $17 Avg Close — Range —