DOUGLAS RICHARD

PrivateCIK: 1021015
Location

CAMBRIDGE, MA

DOUGLAS RICHARD purchased 56.0% of their position (70K shares) of ALDEYRA THERAPEUTICS, INC. on the open market

Open‑market purchase worth $98.0K — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase
InsiderDOUGLAS RICHARDCIK 1021015
Director
Since Jun 2019
+70K
Net shares
Net buyer
$98.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
70K acquired
Non-Derivative Transactions1

Common Stock

Direct
P · Purchase

Shares

+70K

Price / share

$1.40

Trade value

$98K

% of position

56.0%
3/19/2026
125K195K
Total

Net shares

+70K

Net value

$98K

Derivative Transactions0
No derivative transactions reported
DOUGLAS RICHARD — Insider Transaction (Form 4) Filed Mar 20, 2026 | Finecho