Companies / Aldeyra Therapeutics, Inc.

Aldeyra Therapeutics, Inc.

Nasdaq: ALDXCIK 1341235LEXINGTON, MA
Insider flow · last 90 daysNet buys $418.4K

Financials

Revenue—
Net income$-33.85M
Total debt$15.30M
Cash$70.04M
Diluted EPS$-0.56
Shares outstanding60.3M

Ownership

60.3M shares outstanding · as of Aug 4, 2026
3.2%Insiders
Ownership
Insiders3.19%1,923,798
Institutions64.22%38,742,805
Public float32.59%19,659,818

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 9

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Insider% of sharesShares
Brady Todd CCEOPresident and CEO · Director
2.85%1,721,298
Douglas RichardDirector
0.32%195,000
Alfieri MichaelPrincipal Financial Officer
0.01%7,500
Bronstein BenDirector
——
Clark William DDirector
——
Deptula-Hicks Darlene MFormerDirector
——
Miller-Rich NancyDirector
——
Phillips Gary M.Director
——
Walker NealDirector
——

Institutional holders 139

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HolderValue% of shares
Perceptive Advisors LLC$21.68M6.94%
Vanguard Group Inc$19.16M6.13%
Knoll Capital Management, LLC$9.25M9.08%
683 Capital Management, LLC$7.93M2.54%
Ardsley Advisory Partners LP$7.51M2.40%
Kennedy Capital Management LLC$6.51M2.08%
Jacobs Levy Equity Management, Inc$5.02M1.61%
AQR Capital Management, LLC$4.78M4.69%
Kingdon Capital Management, L.L.C.$3.64M3.57%
Morgan Stanley$3.40M1.09%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jun 3, 2026Brady Todd C
CEO
BuyCommon Stock$418.4K+250K
+16.99%
1,721,298
2.85% of shares
medium
Mar 19, 2026Douglas Richard
Director
BuyCommon Stock$98.0K+70K
+56.00%
195,000
0.32% of shares
medium
Mar 18, 2026Alfieri Michael
Executive
BuyCommon Stock$7.1K+5K
+200.00%
7,500
0.01% of shares
low
Jun 9, 2026Miller-Rich Nancy
Director
GrantStock Option (Right to Buy)—+3K
3,318
<0.01% of shares
low
Jun 9, 2026Miller-Rich Nancy
Director
GrantStock Option (Right to Buy)—+70K
70,000
0.12% of shares
low
Jun 9, 2026Clark William D
Director
GrantStock Option (Right to Buy)—+2K
2,323
<0.01% of shares
low
Jun 9, 2026Clark William D
Director
GrantStock Option (Right to Buy)—+70K
70,000
0.12% of shares
low
Jun 9, 2026Walker Neal
Director
GrantStock Option (Right to Buy)—+3K
3,318
<0.01% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A—0—
Perceptive Advisors LLCPassive13G/A———
Perceptive Advisors LLCPassive13G/A———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
ALDX——01438T106—