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Insider BuyALDX· · June 5, 2026, 8:19 PM UTC

Aldeyra CEO Todd Brady buys 250,000 shares of ALDX

A founder-CEO adds a quarter-million shares on the open market.

Todd Brady, president and CEO of Aldeyra Therapeutics, disclosed an open-market purchase of 250,000 ALDX shares, scoring a 68. For a clinical-stage biotech, a founder-CEO buying at this size is a high-signal event worth reading before the next catalyst.

Reporting insider: Brady Todd C · President and CEO · discretionary, open-market

The filing, structured

SecurityDateTypeSharesPriceOwned afterHolding
Common Stock2026-06-03Open-market purchase+250K$1.671.72MDirect
DEHY Score 68 / 100Net bought $418KView the original Form 4 on SEC EDGAR →

FAQ

What insider transaction did Aldeyra Therapeutics, Inc. (ALDX) report?
Todd Brady, president and CEO of Aldeyra Therapeutics, disclosed an open-market purchase of 250,000 ALDX shares, scoring a 68. For a clinical-stage biotech, a founder-CEO buying at this size is a high-signal event worth reading before the next catalyst.
Who made the purchase at $ALDX?
Brady Todd C, President and CEO, is the reporting insider on this Form 4, a purchase of about $418K.
Was the $ALDX trade an open-market transaction or a 10b5-1 plan?
The trade was a discretionary, open-market transaction — not executed under a pre-arranged 10b5-1 plan.
What is the DEHY Score for this $ALDX filing?
This filing scored 68 out of 100 on the DEHY Score, a 0–100 triage signal for how much analyst attention a filing warrants — not a price prediction.

Structured from public SEC data within seconds of filing. The DEHY Score is a 0–100 triage signal, not investment advice or a price prediction. See methodology.