FLEX PHARMA INC

CUSIP: 33938A105 Class: COM

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

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

Q1 2019
Shares 47,651 Value ($000) $18 Avg Close — Range —
Q2 2018
Shares 14,335 Value ($000) $13 Avg Close — Range —