Institutional shares held 37.6 Million
757K calls
539K puts
Total value of holdings $82.4M
$1.66M calls
$1.18M puts
Market Cap $128M
58,323,100 Shares Out.
Institutional ownership 64.52%
# of Institutions 130


Latest Institutional Activity in ALDX

Top Purchases

Q1 2025
Woodstock Corp Shares Held: 223K ($489K)
Q1 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 10.9K ($23.9K)
Q1 2025
Parallel Advisors, LLC Shares Held: 30 ($65.7)
Q4 2024
Raymond James Financial Inc Shares Held: 727K ($1.59M)
Q4 2024
Ardsley Advisory Partners LP Shares Held: 1.15M ($2.52M)

Top Sells

Q1 2025
Hennion & Walsh Asset Management, Inc. Shares Held: 69.4K ($152K)
Q1 2025
Sg Americas Securities, LLC Shares Held: 17.8K ($39K)
Q1 2025
Gamma Investing LLC Shares Held: 684 ($1.5K)
Q1 2025
Rhumbline Advisers Shares Held: 75.5K ($165K)
Q4 2024
Invesco Ltd. Shares Held: 29.9K ($65.5K)

About ALDX

Aldeyra Therapeutics, Inc., a biotechnology company, develops and commercializes medicines for immune-mediated ocular and systemic diseases. The company's lead product candidate is reproxalap, a reactive aldehyde species (RASP)modulator, which is in Phase III clinical trial for the treatment of dry eye diseases and allergic conjunctivitis. It also develops ADX-629, a first-in-class orally administered RASP modulator that is Phase II clinical trial for psoriasis, asthma, and COVID-19; and ADX-2191, a dihydrofolate reductase inhibitor which is in phase 3 for the prevention of proliferative vitreoretinopathy, and phase II clinical trial for the treatment of retinitis pigmentosa, as well as for treating primary vitreoretinal lymphoma. The company has a license agreement with Madrigal Pharmaceuticals, Inc. for developing ADX-1612, which inhibits the protein chaperome for the treatment of inflammatory diseases. The company was formerly known as Aldexa Therapeutics, Inc. and changed its name to Aldeyra Therapeutics, Inc. in March 2014. Aldeyra Therapeutics, Inc. was incorporated in 2004 and is based in Lexington, Massachusetts.


Insider Transactions at ALDX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
3.43M Shares
From 3 Insiders
Open market or private sale 3.43M shares

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P - Open market or private purchase×
S - Open market or private sale×
V - Transaction voluntarily reported earlier than required×
A - Grant, award, or other acquisition×
D - Sale (or disposition) back to the issuer×
F - Payment of exercise price or tax liability×
I - Discretionary transaction×
M - Exercise of conversion of derivative security×
C - Conversion of derivative security×
E - Expiration of short derivative position×
H - Expiration (or cancellation) of long derivative position with value received×
O - Exercise of out-of-the-money derivative securities×
X - Exercise of in-the-money or at-the-money derivatives securities×
G - Bona fide gift×
L - Small Acquisition×
W - Acquisition or disposition by will or laws×
Z - Deposit into or withdrawal from voting trust×
J - Other acquisition or disposition×
K - Transaction in equity swap or similar instrument×
U - Disposition due to a tender of shares in a change of control transaction×
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