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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 Officer2025-12-126,264$17.00
$106.49kSell
Sean BrynjelsenPresident CEO2025-12-126,732$16.83
$113.30kSell
Ipek ErdogantrinkausChief Commercial Officer2025-12-1285$16.90
$1.44kSell
James R. GruberChief Financial Officer2025-12-124,542$16.99
$77.17kSell
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

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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$46.85MInsider
Sean Brynjelsen10.89%2,919,221$46.56MInsider
Opaleye Management Inc10.66%2,860,000$45.62MInstitution
Ecor1 Capital LLC7.57%2,030,544$32.39MInstitution
Harrow Health Inc7.39%1,982,000$31.61MInsider
Blackrock Inc6.36%1,704,361$27.18MInstitution
Vanguard Group Inc5.01%1,344,115$21.44MInstitution
Nantahala Capital Management LLC4.39%1,175,951$18.76MInstitution
David Krempa2.36%632,180$10.08MInsider
Morgan Stanley2.19%586,046$9.35MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON65.90%33.34%Net SellingNet Selling
BIOA59.29%24.78%Net BuyingNet Buying
KMDA10.37%0.00%
SIGA35.34%64.66%Net Selling
EOLS75.33%24.67%Net Selling
View Top Pharmaceutical Stocks

Eton Pharmaceuticals Stock Ownership FAQ

Who owns Eton Pharmaceuticals?

Eton Pharmaceuticals (NASDAQ: ETON) is owned by 65.90% institutional shareholders, 33.34% Eton Pharmaceuticals insiders, and 0.76% 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 $46.46M.

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