ALDEYRA THERAPEUTICS INC

Ticker: ALDX CUSIP: 01438T106 Class: Common Stock

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q2 2025

Shares 11,002 Value ($000) $42 Avg Close $2.58 Range $1.14 - $5.91

Q4 2023

Shares 15,294 Value ($000) $54 Avg Close $3.09 Range $1.42 - $6.74

Q4 2022

Shares 22,387 Value ($000) $156 Avg Close $5.72 Range $4.95 - $7.15

Q1 2019

Shares 13,507 Value ($000) $122 Avg Close $8.50 Range $6.81 - $12.79

Q3 2017

Shares 50,728 Value ($000) $365 Avg Close $5.22 Range $3.90 - $11.90

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	11,002	$42	$2.58	$1.14 - $5.91
Q4 2023	15,294	$54	$3.09	$1.42 - $6.74
Q4 2022	22,387	$156	$5.72	$4.95 - $7.15
Q1 2019	13,507	$122	$8.50	$6.81 - $12.79
Q3 2017	50,728	$365	$5.22	$3.90 - $11.90