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

Insider buying vs selling

Have Eton Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jennifer Mckie AdamsDirector2026-06-1750,000$3.78
$189.00kBuy
Jennifer Mckie AdamsDirector2026-06-1750,000$32.48
$1.62MSell
Sean BrynjelsenPresident CEO2026-05-28148$32.67
$4.84kSell
Sean BrynjelsenPresident CEO2026-05-28119,852$31.88
$3.82MSell
David KrempaChief Business Officer2026-05-2719,679$31.47
$619.38kSell
David KrempaChief Business Officer2026-05-2712,476$1.37
$17.09kBuy
David KrempaChief Business Officer2026-05-277,203$3.58
$25.79kBuy
David KrempaChief Business Officer2026-05-2625,000$1.38
$34.50kBuy
David KrempaChief Business Officer2026-05-2637,524$31.49
$1.18MSell
David KrempaChief Business Officer2026-05-2612,524$1.37
$17.16kBuy

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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 Inc10.72%2,937,070$107.58MInsider
Opaleye Management Inc10.44%2,860,000$104.76MInstitution
Ecor1 Capital LLC7.93%2,171,938$79.56MInstitution
Harrow Health Inc7.24%1,982,000$72.60MInsider
Blackrock Inc6.27%1,717,286$62.90MInstitution
Nantahala Capital Management LLC4.29%1,175,951$43.08MInstitution
Vanguard Capital Management LLC3.63%994,089$36.41MInstitution
Sean Brynjelsen3.13%858,634$31.45MInsider
Geode Capital Management LLC2.11%577,666$21.16MInstitution
State Street Corp1.94%530,215$19.42MInstitution

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ETON vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ETON64.92%23.13%Net SellingNet Selling
EVO4.59%0.00%
PCRX65.03%34.97%Net SellingNet Selling
CRON13.06%50.58%Net SellingNet Selling
BIOA77.14%22.26%Net SellingNet Buying

Eton Pharmaceuticals Stock Ownership FAQ

Who owns Eton Pharmaceuticals?

Eton Pharmaceuticals (NASDAQ: ETON) is owned by 64.92% institutional shareholders, 23.13% Eton Pharmaceuticals insiders, and 11.95% retail investors. Opaleye Management Inc is the largest individual Eton Pharmaceuticals shareholder, owning 2.94M shares representing 10.72% of the company. Opaleye Management Inc's Eton Pharmaceuticals shares are currently valued at $110.14M.

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