Follow The Filings

ETON Eton Pharmaceuticals Inc.

Health Care, filed as ETON PHARMACEUTICALS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 1 manager in 2026 Q2

  • 2 Owners
  • Max 9.4%
  • $105M
  • 1 add

In 2026 Q2 Polen Capital Management added to Eton Pharmaceuticals.

Who owns this now

Largest portfolio weights among holders, up to 9.4% (James Silverman, Opaleye Management). Not free-float ownership.

  1. James Silverman 9.4%
  2. Polen Capital Management Add 0.01%

Who owns ETON

Sorted by value, long equity only, as of 2026 Q2.

History
James Silverman, Opaleye Management 9.4% Hold 2,860,000 $104M History
Polen Capital Management 0.01% Add +50.6% 45,379 $1.6M History

2 current, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by ETON's executives, directors and 10% owners in the last 12 months, from their Form 4s

All ETON insider trades
  • None no insider bought on the open market
  • $25.4M sold by 5 insiders outside a trading plan
  • None no planned (10b5-1) sales
  1. David Krempa Chief Business Officer
    Sale
    $229K 4,166 shares at $55.07 8.8% of stake
    Traded Oct 6 Filed Oct 6
    ↗
  2. Paul V Maier Director
    Sale
    $3M 50,000 shares at $59.07 46% of stake
    Traded Aug 28 Filed Aug 31
    ↗
  3. David Krempa Chief Business Officer
    Sale
    $1.6M 25,000 shares at $65.07 40% of stake
    Traded Aug 24 Filed Aug 24
    ↗
  4. Sean Brynjelsen CEO
    Sale
    $6.1M 100,000 shares at $60.88 9.4% of stake
    Traded Aug 19–20 Filed Aug 20
    ↗
  5. Opaleye Management Inc. 10% owner
    Sale
    $1.1M 28,315 shares at $37.54 41% of stake
    Traded Jul 14 Filed Jul 17
    ↗
  6. Opaleye Management Inc. 10% owner
    Sale
    $4.8M 126,685 shares at $37.64 70% of stake
    Traded Jul 2–7 Filed Jul 7
    ↗
  7. Jennifer McKie Adams Director
    Sale
    $1.6M 50,000 shares at $32.48 100% of stake
    Traded Jun 17 Filed Jun 17
    ↗
  8. Sean Brynjelsen CEO
    Sale
    $3.8M 120,000 shares at $31.88 13% of stake
    Traded May 28 Filed May 29
    ↗
  9. David Krempa Chief Business Officer
    Sale
    $3.2M 100,000 shares at $32.30 80% of stake
    Traded May 22–27 Filed May 27
    ↗

Also filed in the last 12 months, not counted as buying or selling: 16 option exercises and 7 share withholdings for taxes.

SEC filings

Recent issuer filings from EDGAR, 17 shown.

Filed Form Detail Links
8-K 1.01,2.01,9.01 Filing Doc
8-K 8.01,9.01 Filing Doc
8-K 2.02,9.01 Filing Doc
10-Q FORM 10-Q Filing Doc
8-K 1.01,2.01,9.01 Filing Doc
8-K 5.02 Filing Doc
8-K 8.01,9.01 Filing Doc
SCHEDULE 13G/A — Filing Doc
8-K 5.07 Filing Doc
8-K 1.01,2.01,9.01 Filing Doc
8-K 2.02,9.01 Filing Doc
10-Q FORM 10-Q Filing Doc
8-K 8.01,9.01 Filing Doc
8-K 8.01,9.01 Filing Doc
DEF 14A FORM DEF 14A Filing Doc
8-K 5.02,7.01,9.01 Filing Doc
8-K 1.01,2.03,9.01 Filing Doc

Source: SEC EDGAR submissions, updated 4 days ago. All on EDGAR

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue $31.64M $39.01M $79.95M
Gross profit $21.06M $23.41M $42.74M
Gross margin * 66.6% 60.0% 53.5%
Net income -$0.936M -$3.82M -$4.6M
Net margin * -3.0% -9.8% -5.8%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $26.84M $41.02M $60.58M
Total non-current assets * $4.9M $35.1M $31.53M
Total assets $31.74M $76.12M $92.11M
Total current liabilities $16.24M $19.95M $38.49M
Total non-current liabilities * $0.022M $31.75M $27.47M
Total equity $15.48M $24.43M $26.15M

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $6.82M $0.969M $10.52M
Cash from investing -$0.775M -$40.01M -$0.333M
Cash from financing -$0.957M $32.59M $0.815M
Net change in cash $5.08M -$6.45M $11.01M

Source: SEC companyfacts (US-GAAP 10-K). A * marks a computed figure, not a single XBRL tag. Fiscal years are as the issuer labels them. Follow The Filings does not adjust or audit these figures.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.