OPEXA THERAPEUTICS INC

CUSIP: 68372T301 Class: Stock

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

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

Q2 2017
Shares 28,734 Value ($000) $19 Avg Close — Range —
Q4 2016
Shares 11,494 Value ($000) $11 Avg Close — Range —