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Aldeyra Therapeutics (ALDX) Insider Trading & Ownership

Aldeyra Therapeutics logo
$1.56 -0.04 (-2.20%)
As of 12:52 PM Eastern
This is a fair market value price provided by Massive. Learn more.

Aldeyra Therapeutics (NASDAQ:ALDX) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
9.60%
Number Of
Insiders Buying
(Last 12 Months)
2
Amount Of
Insider Buying
(Last 12 Months)
$105.10K
Number Of
Insiders Selling
(Last 12 Months)
1
Amount Of
Insider Selling
(Last 12 Months)
$113.68K
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ALDX Insider Buying and Selling by Quarter

Aldeyra Therapeutics Insider and Congressional Trades History

Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
3/19/2026
Richard Douglas
Director
Buy70,000$1.40$98,000.00  
3/18/2026
Michael Alfieri
Insider
Buy5,000$1.42$7,100.00  
8/11/2025
Stephen Machatha
Insider
Sell22,073$5.15$113,675.95  
(Data available from 1/1/2013 forward)

ALDX Insider Trading Activity - Frequently Asked Questions

The list of insiders at Aldeyra Therapeutics includes Bruce Greenberg, Michael Alfieri, Perceptive Advisors Llc, Richard Douglas, Stephen Machatha, and Todd C Brady. Learn more on insiders at ALDX.

9.60% of Aldeyra Therapeutics stock is owned by insiders. Learn more on ALDX's insider holdings.

The following insiders have purchased ALDX shares in the last 24 months: Michael Alfieri ($7,100.00), and Richard Douglas ($98,000.00).

Insiders have purchased a total of 75,000 ALDX shares in the last 24 months for a total of $105,100.00 bought.

The following insiders have sold ALDX shares in the last 24 months: Perceptive Advisors Llc ($4,828,000.00), and Stephen Machatha ($113,675.95).

Insiders have sold a total of 3,422,073 Aldeyra Therapeutics shares in the last 24 months for a total of $4,941,675.95 sold.

Aldeyra Therapeutics Active Insiders



This page (NASDAQ:ALDX) was last updated on 5/22/2026 by MarketBeat.com Staff.
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