FLEX PHARMA INC

CUSIP: 33938A105 Class: COM

PURA VIDA INVESTMENTS, LLC's Holding History (CIK: 0001590144)

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

Q3 2016

Shares 142,000 Value ($000) $1,673 Avg Close — Range —

Q2 2016

Shares 142,000 Value ($000) $1,450 Avg Close — Range —

Q1 2016

Shares 142,000 Value ($000) $1,558 Avg Close — Range —

Q4 2015

Shares 142,000 Value ($000) $1,768 Avg Close — Range —

Q3 2015

Shares 72,000 Value ($000) $865 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	142,000	$1,673	—	—
Q2 2016	142,000	$1,450	—	—
Q1 2016	142,000	$1,558	—	—
Q4 2015	142,000	$1,768	—	—
Q3 2015	72,000	$865	—	—