ALDEYRA THERAPEUTICS INC

Ticker: ALDX CUSIP: 01438T106 Class: Common Stock

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

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

Q4 2016

Shares 125,000 Value ($000) $669 Avg Close $5.87 Range $4.45 - $7.89

Q3 2016

Shares 114,067 Value ($000) $892 Avg Close $6.11 Range $5.30 - $8.19

Q2 2016

Shares 77,500 Value ($000) $441 Avg Close $5.59 Range $4.11 - $6.69

Q1 2016

Shares 57,500 Value ($000) $241 Avg Close $4.81 Range $3.39 - $6.96

Q4 2015

Shares 57,500 Value ($000) $390 Avg Close $6.72 Range $4.84 - $7.70

Q3 2015

Shares 57,500 Value ($000) $335 Avg Close $7.81 Range $5.35 - $10.90

Q2 2015

Shares 57,500 Value ($000) $511 Avg Close $8.62 Range $6.64 - $11.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	125,000	$669	$5.87	$4.45 - $7.89
Q3 2016	114,067	$892	$6.11	$5.30 - $8.19
Q2 2016	77,500	$441	$5.59	$4.11 - $6.69
Q1 2016	57,500	$241	$4.81	$3.39 - $6.96
Q4 2015	57,500	$390	$6.72	$4.84 - $7.70
Q3 2015	57,500	$335	$7.81	$5.35 - $10.90
Q2 2015	57,500	$511	$8.62	$6.64 - $11.79