ALDEYRA THERAPEUTICS INC

Ticker: ALDX CUSIP: 01438T106 Class: Common Stock

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q4 2025
Shares 1,450,000 Value ($000) $7,511 Avg Close $5.14 Range $3.94 - $5.79
Q3 2025
Shares 1,900,000 Value ($000) $9,918 Avg Close $5.21 Range $3.73 - $6.17
Q2 2025
Shares 2,050,000 Value ($000) $7,852 Avg Close $2.58 Range $1.14 - $5.91
Q1 2025
Shares 1,750,000 Value ($000) $9,888 Avg Close $5.91 Range $4.66 - $7.20
Q4 2024
Shares 1,150,000 Value ($000) $5,739 Avg Close $5.13 Range $4.09 - $6.17
Q3 2024
Shares 500,000 Value ($000) $2,695 Avg Close $4.76 Range $3.10 - $6.55
Q3 2020
Shares 62,100 Value ($000) $460 Avg Close $6.46 Range $3.96 - $7.79
Q2 2020
Shares 62,100 Value ($000) $259 Avg Close $3.65 Range $1.94 - $5.27
Q1 2020
Shares 37,100 Value ($000) $92 Avg Close $4.50 Range $1.48 - $6.57
Q4 2019
Shares 37,100 Value ($000) $216 Avg Close $5.78 Range $4.48 - $8.05
Q3 2019
Shares 47,100 Value ($000) $248 Avg Close $5.38 Range $4.31 - $6.30
Q2 2019
Shares 47,100 Value ($000) $282 Avg Close $7.53 Range $4.99 - $9.22
Q1 2019
Shares 52,100 Value ($000) $470 Avg Close $8.50 Range $6.81 - $12.79
Q4 2018
Shares 52,100 Value ($000) $432 Avg Close $10.25 Range $7.15 - $13.99
Q3 2018
Shares 55,000 Value ($000) $759 Avg Close $8.11 Range $6.75 - $16.70
Q2 2018
Shares 45,000 Value ($000) $358 Avg Close $7.98 Range $6.80 - $9.30
Q1 2018
Shares 45,000 Value ($000) $336 Avg Close $7.59 Range $6.25 - $8.95
Q4 2017
Shares 45,000 Value ($000) $306 Avg Close $6.59 Range $5.55 - $8.30
Q3 2017
Shares 39,552 Value ($000) $285 Avg Close $5.22 Range $3.90 - $11.90
Q2 2017
Shares 14,552 Value ($000) $68 Avg Close $4.60 Range $3.80 - $5.64