ACER THERAPEUTICS INC

CUSIP: 00444P116 Class: *W EXP 04/09/201

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

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

Q1 2018
Shares 54,151 Value ($000) $0 Avg Close — Range —
Q4 2017
Shares 139,961 Value ($000) $2 Avg Close — Range —
Q3 2017
Shares 37,284 Value ($000) $3 Avg Close — Range —