FLEX PHARMA INC

CUSIP: 33938A105 Class: COM

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q1 2016
Shares 575,925 Value ($000) $6,318 Avg Close — Range —
Q4 2015
Shares 795,088 Value ($000) $9,899 Avg Close — Range —
Q3 2015
Shares 933,691 Value ($000) $11,214 Avg Close — Range —
Q2 2015
Shares 908,691 Value ($000) $15,629 Avg Close — Range —
Q1 2015
Shares 805,691 Value ($000) $15,792 Avg Close — Range —