// company-profile

Aldeyra Therapeutics, Inc.

ALDX
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings50Insiders15
// api This Aldeyra Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 18 insiders purchased shares (net $418K). Buying was led by Brady Todd C.

// 90-day insight

Over the last 90 days, Aldeyra Therapeutics, Inc. insiders bought $418K across 20 transactions with no open-market sales.

  • Most active insider: Brady Todd C with 3 transactions totaling $418K.
  • Largest single purchase: $418K by Brady Todd C on Jun 3, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Aldeyra Therapeutics, Inc. as of 2026-03-31

↓ decreasing
Total reported AUM
$60.0M
QoQ change
-66.6%
Reporting period
2026-03-31
#1
Knoll Capital Management, LLC
CIK 1325083
$9.3M
5.5M shares
#2
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
$4.7M
2.8M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$4.0M
2.4M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 9, 2026DEPTULA-HICKS DARLENE MALDX
Award
84,557$0.00$0K
Jun 9, 2026Phillips Gary M.ALDX
Award
70,000$0.00$0K
Jun 9, 2026Bronstein BenALDX
Award
4,977$0.00$0K
Jun 9, 2026Clark William DALDX
Award
2,323$0.00$0K
Jun 9, 2026Bronstein BenALDX
Award
70,000$0.00$0K

45 more transactions hidden

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