ALDEYRA THERAPEUTICS INC

Ticker: ALDX CUSIP: 01438T106 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2020

Shares 16,300 Value ($000) $40 Avg Close $4.50 Range $1.48 - $6.57

Q3 2015

Shares 18,400 Value ($000) $105 Avg Close $7.81 Range $5.35 - $10.90

Q2 2015

Shares 22,000 Value ($000) $170 Avg Close $8.62 Range $6.64 - $11.79

Q1 2015

Shares 22,700 Value ($000) $230 Avg Close $10.20 Range $6.90 - $13.50

Q4 2014

Shares 11,200 Value ($000) $77 Avg Close $7.17 Range $5.39 - $11.99

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	16,300	$40	$4.50	$1.48 - $6.57
Q3 2015	18,400	$105	$7.81	$5.35 - $10.90
Q2 2015	22,000	$170	$8.62	$6.64 - $11.79
Q1 2015	22,700	$230	$10.20	$6.90 - $13.50
Q4 2014	11,200	$77	$7.17	$5.39 - $11.99