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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
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 CEO2025-06-03400$19.02
$7.61kSell
Sean BrynjelsenPresident CEO2025-06-038,655$18.38
$159.08kSell
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$50.05MInsider
Sean Brynjelsen10.81%2,898,453$49.39MInsider
Opaleye Management Inc10.66%2,860,000$48.73MInstitution
Ecor1 Capital LLC7.57%2,030,544$34.60MInstitution
Harrow Health Inc7.39%1,982,000$33.77MInsider
Blackrock Inc5.71%1,531,711$26.10MInstitution
Vanguard Group Inc4.89%1,312,173$22.36MInstitution
Nantahala Capital Management LLC4.39%1,175,951$20.04MInstitution
David Krempa2.28%612,646$10.44MInsider
Geode Capital Management LLC2.21%592,865$10.10MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON61.67%32.38%Net BuyingNet Selling
EOLS76.73%23.27%Net SellingNet Selling
ESPR48.63%20.33%Net SellingNet Selling
AQST47.72%7.77%Net SellingNet Selling
KMDA10.04%0.00%
View Top Pharmaceutical Stocks

Eton Pharmaceuticals Stock Ownership FAQ

Who owns Eton Pharmaceuticals?

Eton Pharmaceuticals (NASDAQ: ETON) is owned by 61.67% institutional shareholders, 32.38% Eton Pharmaceuticals insiders, and 5.95% 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 $48.08M.

If you're new to stock investing, here's how to buy Eton Pharmaceuticals stock.
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