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ETON Insider Trading

Insider Ownership Percentage: 16.03%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,178,031.37

Eton Pharmaceuticals Insider Trading History Chart

This chart shows the insider buying and selling history at Eton Pharmaceuticals by year and by quarter.

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Eton Pharmaceuticals Share Price & Price History

Current Price: $16.81
Price Change: ▲ Price Increase of +0.31 (1.88%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for ETON up to the past year.

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Days: 30 | 90 | 365

Eton Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/20/2025James R GruberCFOSell2,631$16.02$42,148.62204,753View SEC Filing Icon  
8/19/2025James R GruberCFOSell39,082$16.16$631,565.12205,299View SEC Filing Icon  
6/16/2025David KrempaInsiderSell10,223$14.73$150,584.79612,646View SEC Filing Icon  
6/13/2025David KrempaInsiderSell6,800$14.77$100,436.00622,869View SEC Filing Icon  
6/12/2025David KrempaInsiderSell16,977$14.92$253,296.84629,669View SEC Filing Icon  
10/7/2024Opaleye Management Inc.Major ShareholderBuy11,248$7.22$81,210.562,730,000View SEC Filing Icon  
10/4/2024Opaleye Management Inc.Major ShareholderBuy16,852$6.77$114,088.042,720,000View SEC Filing Icon  
9/10/2024Opaleye Management Inc.Major ShareholderBuy57,500$4.65$267,375.002,660,000View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Eton Pharmaceuticals (NASDAQ:ETON)

27.86% of Eton Pharmaceuticals stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ETON by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Eton Pharmaceuticals Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Oberweis Asset Management Inc.192,360$4.18M0.2%N/A0.717%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC10,535$0.23M0.1%N/A0.039%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd24,399$0.53M0.0%N/A0.091%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP10,950$0.24M0.0%N/A0.041%Search for SEC Filing on Google Icon
11/17/2025Quarry LP1,700$37K0.0%N/A0.006%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC41,873$0.91M0.1%-4.0%0.156%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC15,862$0.35M0.0%N/A0.059%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.12,007$0.26M0.0%-14.5%0.045%Search for SEC Filing on Google Icon
11/17/2025Divisadero Street Capital Management LP298,000$6.48M0.3%-40.1%1.111%Search for SEC Filing on Google Icon
11/17/2025Cannell Capital LLC455,405$9.90M1.5%+17.3%1.698%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE74,657$1.62M0.0%+102.2%0.278%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.9,600$0.21M0.0%N/A0.036%Search for SEC Filing on Google Icon
11/17/2025Apis Capital Advisors LLC117,600$2.56M0.6%+10.9%0.438%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.87,082$1.89M0.0%-3.7%0.325%Search for SEC Filing on Google Icon
11/14/2025Man Group plc12,649$0.28M0.0%-46.8%0.047%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP286,421$6.22M0.0%+33.5%1.068%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC109,020$2.37M0.1%-19.4%0.406%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC59,645$1.30M0.0%-36.4%0.222%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG220,361$4.79M0.0%+3.7%0.822%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets229,790$4.99M0.0%+162.0%0.857%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd35,304$0.77M0.0%N/A0.132%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.54,865$1.19M0.0%+202.9%0.205%Search for SEC Filing on Google Icon
11/13/2025Jefferies Financial Group Inc.88,440$1.92M0.0%N/A0.330%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC36,806$0.80M0.0%-19.6%0.137%Search for SEC Filing on Google Icon
11/12/2025Lumbard & Kellner LLC176,300$3.83M1.4%N/A0.657%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP11,532$0.25M0.0%-54.3%0.043%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC11,177$0.24M0.0%-7.4%0.042%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP14,785$0.32M0.0%N/A0.055%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.1,344,115$29.21M0.0%+2.4%5.012%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.351,417$7.64M0.0%+44.9%1.310%Search for SEC Filing on Google Icon
11/6/2025Navellier & Associates Inc.17,494$0.38M0.0%N/A0.065%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.11,377$0.25M0.0%-50.6%0.042%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming5,440$0.12M0.0%-52.7%0.020%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC4,150$90K0.0%-30.2%0.015%Search for SEC Filing on Google Icon
10/30/2025Anchor Capital Advisors LLC36,778$0.80M0.0%-58.0%0.137%Search for SEC Filing on Google Icon
10/24/2025State of Alaska Department of Revenue1,421$30K0.0%N/A0.005%Search for SEC Filing on Google Icon
10/20/2025Calamos Advisors LLC23,634$0.51M0.0%N/A0.088%Search for SEC Filing on Google Icon
10/14/2025Juncture Wealth Strategies LLC16,968$0.37M0.1%N/A0.063%Search for SEC Filing on Google Icon
10/8/2025Sheets Smith Investment Management14,842$0.32M0.2%N/A0.055%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC93,796$1.34M0.0%+44.8%0.350%Search for SEC Filing on Google Icon
8/19/2025State of Wyoming11,503$0.16M0.0%-56.5%0.043%Search for SEC Filing on Google Icon
8/15/2025Cannell Capital LLC388,175$5.53M1.7%-43.9%1.447%Search for SEC Filing on Google Icon
8/15/2025State of Tennessee Department of Treasury12,000$0.17M0.0%-14.0%0.045%Search for SEC Filing on Google Icon
8/15/2025Soleus Capital Management L.P.285,000$4.06M0.3%N/A1.063%Search for SEC Filing on Google Icon
8/15/2025Opaleye Management Inc.2,860,000$40.76M8.2%+0.3%10.664%Search for SEC Filing on Google Icon
8/15/2025Man Group plc23,754$0.34M0.0%+6.0%0.089%Search for SEC Filing on Google Icon
8/15/2025Mink Brook Asset Management LLC15,139$0.22M0.2%-89.3%0.056%Search for SEC Filing on Google Icon
8/15/2025EcoR1 Capital LLC2,030,544$28.94M1.7%+2.0%7.571%Search for SEC Filing on Google Icon
8/15/2025Engineers Gate Manager LP13,889$0.20M0.0%N/A0.052%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets87,696$1.25M0.0%+123.0%0.327%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE36,921$0.53M0.0%+196.8%0.138%Search for SEC Filing on Google Icon
8/14/2025PDT Partners LLC14,891$0.21M0.0%-42.2%0.056%Search for SEC Filing on Google Icon
8/14/2025Raymond James Financial Inc.90,415$1.29M0.0%+15.6%0.337%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,038$0.20M0.0%N/A0.052%Search for SEC Filing on Google Icon
8/14/2025Squarepoint Ops LLC93,796$1.34M0.0%+44.8%0.350%Search for SEC Filing on Google Icon
8/14/2025Qube Research & Technologies Ltd34,557$0.49M0.0%-60.2%0.129%Search for SEC Filing on Google Icon
8/14/2025Divisadero Street Capital Management LP497,716$7.09M0.5%N/A1.856%Search for SEC Filing on Google Icon
8/13/2025Diametric Capital LP84,858$1.21M0.6%+333.0%0.316%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.13,478$0.19M0.0%N/A0.050%Search for SEC Filing on Google Icon
8/13/2025Quantbot Technologies LP25,233$0.36M0.0%+223.7%0.094%Search for SEC Filing on Google Icon
8/13/2025New York State Common Retirement Fund8,100$0.12M0.0%N/A0.030%Search for SEC Filing on Google Icon
8/13/2025Northwestern Mutual Wealth Management Co.10,000$0.14M0.0%N/A0.037%Search for SEC Filing on Google Icon
8/13/2025Aristides Capital LLC167,587$2.39M0.5%-30.6%0.625%Search for SEC Filing on Google Icon
8/13/2025Russell Investments Group Ltd.18,112$0.26M0.0%N/A0.068%Search for SEC Filing on Google Icon
8/12/2025Steward Partners Investment Advisory LLC14,064$0.20M0.0%+87.5%0.052%Search for SEC Filing on Google Icon
8/12/2025Ameritas Investment Partners Inc.2,617$37K0.0%N/A0.010%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers36,594$0.52M0.0%N/A0.136%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc2,852$41K0.0%N/A0.011%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.242,580$3.46M0.0%+114.5%0.904%Search for SEC Filing on Google Icon
8/12/2025Magnetar Financial LLC13,731$0.20M0.0%N/A0.051%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC12,068$0.17M0.0%N/A0.045%Search for SEC Filing on Google Icon
8/8/2025Police & Firemen s Retirement System of New Jersey6,137$87K0.0%N/A0.023%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC592,865$8.45M0.0%+98.8%2.211%Search for SEC Filing on Google Icon
8/7/2025Acadian Asset Management LLC392,715$5.60M0.0%-2.4%1.464%Search for SEC Filing on Google Icon
8/7/2025Connor Clark & Lunn Investment Management Ltd.222,083$3.17M0.0%-4.5%0.828%Search for SEC Filing on Google Icon
8/6/2025Anchor Capital Advisors LLC87,661$1.25M0.0%+45.7%0.327%Search for SEC Filing on Google Icon
8/5/2025Westside Investment Management Inc.472,790$6.74M1.2%-4.2%1.763%Search for SEC Filing on Google Icon
8/1/2025Y Intercept Hong Kong Ltd10,991$0.16M0.0%-18.0%0.041%Search for SEC Filing on Google Icon
8/1/2025Envestnet Asset Management Inc.23,050$0.33M0.0%+33.1%0.086%Search for SEC Filing on Google Icon
7/31/2025AlphaQuest LLC5,948$85K0.0%+44.4%0.022%Search for SEC Filing on Google Icon
7/24/2025Blair William & Co. IL32,400$0.46M0.0%-7.2%0.121%Search for SEC Filing on Google Icon
5/21/2025Acadian Asset Management LLC402,428$5.22M0.0%+61.9%1.501%Search for SEC Filing on Google Icon
5/19/2025Jane Street Group LLC95,919$1.25M0.0%+49.1%0.358%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.175,220$2.27M0.0%+34.9%0.653%Search for SEC Filing on Google Icon
5/16/2025Millennium Management LLC355,929$4.62M0.0%+156.3%1.327%Search for SEC Filing on Google Icon
5/16/2025Jacobs Levy Equity Management Inc.54,275$0.70M0.0%N/A0.202%Search for SEC Filing on Google Icon
5/15/2025PDT Partners LLC25,755$0.33M0.0%N/A0.096%Search for SEC Filing on Google Icon
5/15/2025Nantahala Capital Management LLC1,175,951$15.26M0.6%+5.1%4.385%Search for SEC Filing on Google Icon
5/15/2025Cubist Systematic Strategies LLC103,200$1.34M0.0%+138.7%0.385%Search for SEC Filing on Google Icon
5/15/2025State of Wyoming26,443$0.34M0.0%N/A0.099%Search for SEC Filing on Google Icon
5/15/2025OMERS ADMINISTRATION Corp35,300$0.46M0.0%-6.9%0.132%Search for SEC Filing on Google Icon
5/14/2025Mink Brook Asset Management LLC141,488$1.84M1.9%-69.0%0.528%Search for SEC Filing on Google Icon
5/14/2025Jump Financial LLC16,303$0.21M0.0%-34.0%0.061%Search for SEC Filing on Google Icon
5/14/2025AlphaQuest LLC4,118$53K0.0%N/A0.015%Search for SEC Filing on Google Icon
5/14/2025Quantbot Technologies LP7,794$0.10M0.0%N/A0.029%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP25,283$0.33M0.0%N/A0.094%Search for SEC Filing on Google Icon
5/13/2025Informed Momentum Co LLC77,833$1.01M0.2%-18.1%0.290%Search for SEC Filing on Google Icon
5/12/2025Connor Clark & Lunn Investment Management Ltd.232,532$3.02M0.0%+8.2%0.867%Search for SEC Filing on Google Icon
5/8/2025XTX Topco Ltd11,797$0.15M0.0%-19.5%0.044%Search for SEC Filing on Google Icon
5/7/2025Essex Investment Management Co. LLC20,419$0.27M0.1%-16.5%0.076%Search for SEC Filing on Google Icon
Data available starting January 2016

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Eton Pharmaceuticals logo
Eton Pharmaceuticals, Inc., a specialty pharmaceutical company, focuses on developing, acquiring, and commercializing pharmaceutical products for rare diseases. The company offers ALKINDI SPRINKLE, a replacement therapy for adrenocortical insufficiency in children under 17 years of age; Carglumic Acid for the treatment of acute and chronic hyperammonemia due to N-acetylglutamate Synthase deficiency; Betaine Anhydrous for the treatment of homocystinuria; and Nitisinone for the treatment of tyrosinemia type 1. It also provides Zeneo hydrocortisone autoinjector for the treatment of adrenal crisis. Eton Pharmaceuticals, Inc. was incorporated in 2017 and is based in Deer Park, Illinois.
Read More on Eton Pharmaceuticals

Today's Range

Now: $16.81
Low: $16.19
High: $17.00

50 Day Range

MA: $18.23
Low: $15.37
High: $22.48

52 Week Range

Now: $16.81
Low: $11.09
High: $23.00

Volume

303,029 shs

Average Volume

317,014 shs

Market Capitalization

$450.84 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.17

Who are the company insiders with the largest holdings of Eton Pharmaceuticals?

Eton Pharmaceuticals' top insider shareholders include:
  1. Opaleye Management Inc (Major Shareholder)
  2. David Krempa (Insider)
  3. James R Gruber (CFO)
Learn More about top insider investors at Eton Pharmaceuticals.

Who are the major institutional investors of Eton Pharmaceuticals?

Eton Pharmaceuticals' top institutional shareholders include:
  1. Vanguard Group Inc. — 5.01%
  2. Cannell Capital LLC — 1.70%
  3. JPMorgan Chase & Co. — 1.31%
  4. Divisadero Street Capital Management LP — 1.11%
  5. Two Sigma Investments LP — 1.07%
  6. BNP Paribas Financial Markets — 0.86%
Learn More about top institutional investors of Eton Pharmaceuticals stock.

Which major investors are selling Eton Pharmaceuticals stock?

Within the previous quarter, ETON stock was sold by these institutional investors:
  1. Divisadero Street Capital Management LP
  2. Anchor Capital Advisors LLC
  3. Squarepoint Ops LLC
  4. Bridgeway Capital Management LLC
  5. Quantbot Technologies LP
  6. Envestnet Asset Management Inc.
  7. Man Group plc
  8. Barclays PLC
Within the last year, company insiders that have sold Eton Pharmaceuticals company stock include:
  1. Opaleye Management Inc (Major Shareholder)
  2. David Krempa (Insider)
Learn More investors selling Eton Pharmaceuticals stock.

Which major investors are buying Eton Pharmaceuticals stock?

In the previous quarter, ETON stock was bought by institutional investors including:
  1. Oberweis Asset Management Inc.
  2. Lumbard & Kellner LLC
  3. BNP Paribas Financial Markets
  4. JPMorgan Chase & Co.
  5. Jefferies Financial Group Inc.
  6. Two Sigma Investments LP
  7. Cannell Capital LLC
  8. Bank of America Corp DE