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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$41.15MInsider
Sean Brynjelsen10.81%2,898,453$40.61MInsider
Opaleye Management Inc10.64%2,852,070$39.96MInstitution
Harrow Health Inc7.39%1,982,000$27.77MInsider
Ecor1 Capital LLC7.23%1,939,288$27.17MInstitution
Nantahala Capital Management LLC4.39%1,175,951$16.48MInstitution
Vanguard Group Inc4.11%1,100,963$15.42MInstitution
Cannell Capital LLC2.58%691,367$9.69MInstitution
David Krempa2.28%612,646$8.58MInsider
Westside Investment Management Inc1.84%493,650$6.92MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON52.66%32.38%Net BuyingNet Selling
TLRY9.14%1.85%Net BuyingNet Buying
EBS41.97%58.03%Net SellingNet Buying
AQST44.55%7.79%Net SellingNet Selling
KMDA8.98%0.00%
View Top Pharmaceutical Stocks

Eton Pharmaceuticals Stock Ownership FAQ

Who owns Eton Pharmaceuticals?

Eton Pharmaceuticals (NASDAQ: ETON) is owned by 52.66% institutional shareholders, 32.38% Eton Pharmaceuticals insiders, and 14.96% 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 $41.85M.

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