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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 Officer2026-01-142,293$15.47
$35.47kSell
David KrempaChief Business Officer2026-01-141,942$15.62
$30.33kSell
Sean BrynjelsenPresident CEO2026-01-015,015$15.39
$77.18kSell
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

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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$44.56MInsider
Sean Brynjelsen10.87%2,914,206$44.21MInsider
Opaleye Management Inc10.66%2,860,000$43.39MInstitution
Ecor1 Capital LLC7.57%2,030,544$30.80MInstitution
Harrow Health Inc7.39%1,982,000$30.07MInsider
Blackrock Inc6.36%1,704,361$25.86MInstitution
Vanguard Group Inc5.01%1,344,115$20.39MInstitution
Nantahala Capital Management LLC4.39%1,175,951$17.84MInstitution
David Krempa2.35%630,238$9.56MInsider
Morgan Stanley2.19%586,046$8.89MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON65.90%33.31%Net SellingNet Selling
CGC9.35%31.52%Net SellingNet Selling
KMDA10.37%0.00%
SIGA35.33%64.67%Net SellingNet Selling
AQST54.16%6.24%Net SellingNet 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, 33.31% Eton Pharmaceuticals insiders, and 0.79% 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 $45.20M.

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