ALDX

Aldeyra Therapeutics, Inc.

Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

16

Buys

14

Sells

2

Largest Trade

$1M+

Insiders

4

Institutional Funds

97

Inst. Value

$1M+

Activist Filings

14

Insider Trades

InsiderTitleTypeValueSharesPriceDate
PERCEPTIVE ADVISORS LLC10% OwnerSELL$1M+3.4M$1.42Apr 7, 2025
Miller-Rich NancyDirectorBUY$1K–$15K922$11.33Oct 22, 2024
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+178K$4.68Apr 8, 2024
PERCEPTIVE ADVISORS LLC10% OwnerBUY$1M+504K$3.84Apr 3, 2024
PERCEPTIVE ADVISORS LLC10% OwnerSELL$1M+2.8M$1.62Oct 18, 2023
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+115K$7.55Aug 11, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+97K$7.24Aug 10, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+141K$6.95Aug 9, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+95K$6.17Aug 8, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+100K$5.84Aug 5, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$1M+412K$5.59Aug 4, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+144K$5.05Aug 3, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$1M+222K$5.03Aug 2, 2022
PERCEPTIVE ADVISORS LLC10% OwnerBUY$500K+119K$5.00Aug 1, 2022
JOYCE MARTIN JOSEPHDirectorBUY$15K–$50K4K$3.48Jun 27, 2022
Brady Todd CPresident and CEOBUY$50K–$100K18K$3.36Jun 27, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Perceptive Advisors LLC

SC 13G/A · Nov 14, 2025

8.7%

5.2M shares

Perceptive Advisors LLC

SC 13G/A · Aug 14, 2025

6.8%

4.1M shares

Perceptive Advisors LLC

SC 13G/A · Apr 7, 2025

8.2%

4.9M shares

Perceptive Advisors LLC

SC 13G/A · Nov 14, 2024

15.6%

9.3M shares

Perceptive Advisors LLC

SC 13G/A · Feb 14, 2024

14.6%

8.6M shares

The Vanguard Group - 23-1945930

SC 13G · Feb 13, 2024

6.7%

3.9M shares

BlackRock, Inc.

SC 13G · Jan 29, 2024

5.8%

3.4M shares

Perceptive Advisors LLC

SC 13G/A · Oct 18, 2023

14.7%

8.6M shares

Knoll Capital Management, LLC

SC 13G · Oct 4, 2023

6.1%

3.6M shares

Perceptive Advisors LLC

SC 13G/A · Feb 14, 2023

19.4%

11.4M shares

BlackRock, Inc.

SC 13G · Jul 8, 2022

1.7%

975K shares

Perceptive Advisors LLC

SC 13G/A · Feb 14, 2022

17.0%

9.9M shares

Domain Partners VI, L.P.

SC 13G/A · Jan 4, 2022

0.0%

0 shares

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