Stephen Machatha Aldeyra Therapeutics, Inc. (ALDX) insider trading activity

ALDX Quotes by TradingView

Stephen Machatha is Chief Development Officer of Aldeyra Therapeutics, Inc.. Currently has a direct ownership of 221,799 shares of ALDX, which is worth approximately $1.12 Million. The most recent transaction as insider was on Aug 11, 2025, when has been sold 22,073 shares (Common Stock) at a price of $5.15 per share, resulting in proceeds of $113,675. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 222K
0% 3M change
6.32% 12M change
Total Value Held $1.12 Million

Stephen Machatha Transaction History

Date Transaction Value Shares Traded Shares Held Form
Aug 11 2025
SELL
Open market or private sale
$113,675 $5.15 p/Share
22,073 Reduced 9.05%
221,799 Common Stock
Aug 12 2024
SELL
Open market or private sale
$76,034 $4.74 p/Share
16,041 Reduced 6.35%
236,771 Common Stock
Mar 12 2024
SELL
Open market or private sale
$36,456 $3.16 p/Share
11,537 Reduced 4.52%
243,495 Common Stock
Mar 11 2024
SELL
Open market or private sale
$62,167 $3.41 p/Share
18,231 Reduced 6.67%
255,032 Common Stock
Jul 15 2022
BUY
Grant, award, or other acquisition
-
185,605 Added 40.45%
273,263 Common Stock
Mar 30 2022
BUY
Grant, award, or other acquisition
-
64,395 Added 42.35%
87,658 Common Stock
SM

Stephen Machatha

Chief Development Officer
Lexington, MA

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