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Douglas Richard

In the past year, 1 open-market purchase filing worth $98.0K and no sales.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
$98.0K
1 filing
Sold
–
0 filings
Net
+$98.0K
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Douglas Richard as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

ALDX Aldeyra Therapeutics, Inc.

Director1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Mar 20, 2026 (view filing)Mar 191 dayDouglas RichardDirectorPPurchase+70.0K$1.40+$98.0K+56.0%195.0K after

MXCT Maxcyte, Inc.

Director3 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 13, 2025 (view filing)Aug 13Same dayDouglas RichardDirectorPPurchase+80.0K$1.39+$111.2K+53.1%230.6K after
Mar 30, 2023 (view filing)Mar 291 dayDouglas RichardDirectorPPurchase+80.0K$4.32+$345.6K+400.0%100.0K after
Nov 23, 2021 (view filing)Nov 221 dayDouglas RichardDirectorPPurchase+20.0K$11.12+$222.4KNew position20.0K after