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NASDAQ: ETON
Eton Pharmaceuticals Inc Stock Ownership - Who owns Eton Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Eton Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
James R. GruberChief Financial Officer2025-08-202,631$16.02
$42.15kSell
James R. GruberChief Financial Officer2025-08-1939,082$16.16
$631.57kSell
David KrempaChief Business Officer2025-06-1610,223$14.73
$150.58kSell
David KrempaChief Business Officer2025-06-136,800$14.77
$100.44kSell
David KrempaChief Business Officer2025-06-1216,977$14.92
$253.30kSell
Opaleye Management Inc10% Owner2025-06-102,930$15.82
$46.36kBuy
Opaleye Management Inc10% Owner2025-06-105,000$15.82
$79.12kBuy
Sean BrynjelsenPresident CEO2025-06-0570,000$16.81
$1.18MSell
Sean BrynjelsenPresident CEO2025-06-0470,000$17.00
$1.19MSell
Sean BrynjelsenPresident CEO2025-06-0360,945$17.38
$1.06MSell

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Net Insider Buy/Sell (L12M) Ownership

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ETON Shareholders

What type of owners hold Eton Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Opaleye Management Inc10.95%2,937,070$47.76MInsider
Sean Brynjelsen10.81%2,898,453$47.13MInsider
Opaleye Management Inc10.66%2,860,000$46.50MInstitution
Ecor1 Capital LLC7.57%2,030,544$33.02MInstitution
Harrow Health Inc7.39%1,982,000$32.23MInsider
Blackrock Inc6.36%1,704,361$27.71MInstitution
Vanguard Group Inc5.01%1,344,115$21.86MInstitution
Nantahala Capital Management LLC4.39%1,175,951$19.12MInstitution
David Krempa2.28%612,646$9.96MInsider
Morgan Stanley2.19%586,046$9.53MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON65.90%33.14%Net Selling
SIGA35.34%64.66%Net Selling
EOLS75.33%24.67%Net Selling
BIOA59.29%24.78%Net BuyingNet Buying
KMDA10.37%0.00%
View Top Pharmaceutical Stocks

Eton Pharmaceuticals Stock Ownership FAQ

Who owns Eton Pharmaceuticals?

Eton Pharmaceuticals (NASDAQ: ETON) is owned by 65.90% institutional shareholders, 33.14% Eton Pharmaceuticals insiders, and 0.96% retail investors. Opaleye Management Inc is the largest individual Eton Pharmaceuticals shareholder, owning 2.94M shares representing 10.95% of the company. Opaleye Management Inc's Eton Pharmaceuticals shares are currently valued at $47.76M.

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