ALDEYRA THERAPEUTICS INC

Ticker: ALDX CUSIP: 01438T106 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2021

Shares 11,489 Value ($000) $101 Avg Close $9.18 Range $7.90 - $11.45

Q2 2016

Shares 1,400 Value ($000) $8 Avg Close $5.59 Range $4.11 - $6.69

Q1 2016

Shares 300 Value ($000) $1 Avg Close $4.81 Range $3.39 - $6.96

Q2 2015

Shares 400 Value ($000) $3 Avg Close $8.62 Range $6.64 - $11.79

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	11,489	$101	$9.18	$7.90 - $11.45
Q2 2016	1,400	$8	$5.59	$4.11 - $6.69
Q1 2016	300	$1	$4.81	$3.39 - $6.96
Q2 2015	400	$3	$8.62	$6.64 - $11.79