Aldeyra Therapeutics, Inc. insider trading

ALDXNASDAQ

$1.17-0.12 (-9.30% today)

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-78.0%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Open market purchase

Open market sell

Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

TCTodd C. BradyPresident and CEO2.8533%of company
SMStephen MachathaChief Development Officer0.3677%of company
RDRichard DouglasDirector0.3232%of company
MAMichael AlfieriPrincipal Financial Officer0.0124%of company
NMNancy Miller-RichDirector0.0015%of company
PLPerceptive Life Sciences Master Fund Ltd10% OwnerNot reportedof company

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Insider activity

Fromto

Company	Insider / role	Action	ΔOwn	Avg price	Amount
ALDX	Todd C. BradyPresident and CEO	Open market purchase$418K	+17.0%	$1.67	$418K	Jun 3, 2026	Jun 5, 2026
ALDX	Richard DouglasDirector	Open market purchase$98K	+56.0%	$1.40	$98K	Mar 19, 2026	Mar 20, 2026
ALDX	Michael AlfieriPrincipal Financial Officer	Open market purchase$7.1K	+200.0%	$1.42	$7.1K	Mar 18, 2026	Mar 19, 2026

End of history · 3 transactions