Stocks · Health care · Pharmaceutical Preparations

Eton Pharmaceuticals, Inc.

ETON Clue Score49
United States Fiscal year ends December CIK 0001710340
55.21
+0.84%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
55.21 on 9 Oct 2026
64 39 14 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $18.08 14 Oct 2025 $18.77 15 Oct 2025 $19.15 16 Oct 2025 $18.34 17 Oct 2025 $18.18 20 Oct 2025 $18.40 21 Oct 2025 $18.55 22 Oct 2025 $18.66 23 Oct 2025 $18.54 24 Oct 2025 $18.46 27 Oct 2025 $18.48 28 Oct 2025 $18.60 29 Oct 2025 $18.31 30 Oct 2025 $18.25 31 Oct 2025 $18.01 3 Nov 2025 $17.96 4 Nov 2025 $18.45 5 Nov 2025 $19.25 6 Nov 2025 $19.14 7 Nov 2025 $16.90 10 Nov 2025 $16.92 11 Nov 2025 $17.66 12 Nov 2025 $17.46 13 Nov 2025 $16.88 14 Nov 2025 $16.94 17 Nov 2025 $17.26 18 Nov 2025 $17.20 19 Nov 2025 $16.82 20 Nov 2025 $16.30 21 Nov 2025 $16.46 24 Nov 2025 $15.85 25 Nov 2025 $16.28 26 Nov 2025 $16.19 28 Nov 2025 $16.15 1 Dec 2025 $15.45 2 Dec 2025 $15.37 3 Dec 2025 $16.50 4 Dec 2025 $16.81 5 Dec 2025 $16.26 8 Dec 2025 $16.36 9 Dec 2025 $16.36 10 Dec 2025 $16.41 11 Dec 2025 $16.88 12 Dec 2025 $16.70 15 Dec 2025 $15.95 16 Dec 2025 $15.95 17 Dec 2025 $15.82 18 Dec 2025 $16.02 19 Dec 2025 $16.37 22 Dec 2025 $16.57 23 Dec 2025 $16.55 24 Dec 2025 $16.99 26 Dec 2025 $16.83 29 Dec 2025 $16.80 30 Dec 2025 $16.79 31 Dec 2025 $16.91 2 Jan 2026 $16.26 5 Jan 2026 $16.73 6 Jan 2026 $16.57 7 Jan 2026 $16.51 8 Jan 2026 $16.52 9 Jan 2026 $15.46 12 Jan 2026 $15.47 13 Jan 2026 $15.73 14 Jan 2026 $15.67 15 Jan 2026 $15.41 16 Jan 2026 $15.14 20 Jan 2026 $15.36 21 Jan 2026 $15.17 22 Jan 2026 $15.27 23 Jan 2026 $14.99 26 Jan 2026 $15.11 27 Jan 2026 $15.04 28 Jan 2026 $14.76 29 Jan 2026 $15.25 30 Jan 2026 $15.01 2 Feb 2026 $15.17 3 Feb 2026 $15.39 4 Feb 2026 $14.75 5 Feb 2026 $14.35 6 Feb 2026 $14.76 9 Feb 2026 $14.81 10 Feb 2026 $15.21 11 Feb 2026 $16.05 12 Feb 2026 $16.79 13 Feb 2026 $17.07 17 Feb 2026 $17.15 18 Feb 2026 $17.21 19 Feb 2026 $18.22 20 Feb 2026 $17.93 23 Feb 2026 $18.28 24 Feb 2026 $18.28 25 Feb 2026 $17.65 26 Feb 2026 $17.25 27 Feb 2026 $16.99 2 Mar 2026 $18.15 3 Mar 2026 $17.45 4 Mar 2026 $17.53 5 Mar 2026 $17.24 6 Mar 2026 $16.80 9 Mar 2026 $16.70 10 Mar 2026 $17.40 11 Mar 2026 $18.09 12 Mar 2026 $19.02 13 Mar 2026 $18.93 16 Mar 2026 $19.01 17 Mar 2026 $18.92 18 Mar 2026 $19.02 19 Mar 2026 $20.77 20 Mar 2026 $22.32 23 Mar 2026 $23.81 24 Mar 2026 $22.97 25 Mar 2026 $23.84 26 Mar 2026 $23.45 27 Mar 2026 $23.24 30 Mar 2026 $22.58 31 Mar 2026 $24.68 1 Apr 2026 $25.36 2 Apr 2026 $24.99 6 Apr 2026 $25.00 7 Apr 2026 $25.06 8 Apr 2026 $26.40 9 Apr 2026 $27.10 10 Apr 2026 $26.36 13 Apr 2026 $26.05 14 Apr 2026 $27.12 15 Apr 2026 $26.97 16 Apr 2026 $24.43 17 Apr 2026 $25.04 20 Apr 2026 $25.28 21 Apr 2026 $23.54 22 Apr 2026 $23.61 23 Apr 2026 $22.97 24 Apr 2026 $23.02 27 Apr 2026 $23.45 28 Apr 2026 $24.16 29 Apr 2026 $23.58 30 Apr 2026 $24.12 1 May 2026 $28.90 4 May 2026 $30.16 5 May 2026 $30.38 6 May 2026 $30.15 7 May 2026 $31.02 8 May 2026 $29.65 11 May 2026 $29.84 12 May 2026 $29.71 13 May 2026 $30.82 14 May 2026 $29.96 15 May 2026 $30.26 18 May 2026 $32.49 19 May 2026 $32.89 20 May 2026 $34.45 21 May 2026 $35.00 22 May 2026 $32.59 26 May 2026 $31.29 27 May 2026 $32.40 28 May 2026 $31.86 29 May 2026 $30.45 1 Jun 2026 $28.68 2 Jun 2026 $27.40 3 Jun 2026 $27.61 4 Jun 2026 $28.90 5 Jun 2026 $29.13 8 Jun 2026 $29.95 9 Jun 2026 $30.53 10 Jun 2026 $30.95 11 Jun 2026 $32.11 12 Jun 2026 $31.59 15 Jun 2026 $32.15 16 Jun 2026 $32.35 17 Jun 2026 $32.76 18 Jun 2026 $32.48 22 Jun 2026 $32.72 23 Jun 2026 $33.49 24 Jun 2026 $33.98 25 Jun 2026 $34.82 26 Jun 2026 $35.70 29 Jun 2026 $36.73 30 Jun 2026 $36.20 1 Jul 2026 $36.63 2 Jul 2026 $37.50 6 Jul 2026 $38.02 7 Jul 2026 $37.74 8 Jul 2026 $36.17 9 Jul 2026 $37.33 10 Jul 2026 $36.61 13 Jul 2026 $37.34 14 Jul 2026 $37.51 15 Jul 2026 $38.50 16 Jul 2026 $37.19 17 Jul 2026 $42.32 20 Jul 2026 $41.07 21 Jul 2026 $43.20 22 Jul 2026 $43.58 23 Jul 2026 $44.14 24 Jul 2026 $42.59 27 Jul 2026 $42.31 28 Jul 2026 $46.66 29 Jul 2026 $48.13 30 Jul 2026 $49.03 31 Jul 2026 $46.42 3 Aug 2026 $45.14 4 Aug 2026 $45.83 5 Aug 2026 $45.97 6 Aug 2026 $46.18 7 Aug 2026 $44.60 10 Aug 2026 $43.67 11 Aug 2026 $42.05 12 Aug 2026 $41.58 13 Aug 2026 $40.80 14 Aug 2026 $58.86 17 Aug 2026 $61.73 18 Aug 2026 $63.43 19 Aug 2026 $61.48 20 Aug 2026 $59.91 21 Aug 2026 $63.47 24 Aug 2026 $64.43 25 Aug 2026 $63.05 26 Aug 2026 $62.62 27 Aug 2026 $62.67 28 Aug 2026 $59.78 31 Aug 2026 $60.44 1 Sep 2026 $60.43 2 Sep 2026 $61.96 3 Sep 2026 $59.90 4 Sep 2026 $58.45 8 Sep 2026 $59.35 9 Sep 2026 $58.83 10 Sep 2026 $57.88 11 Sep 2026 $57.08 14 Sep 2026 $57.62 15 Sep 2026 $54.93 16 Sep 2026 $56.35 17 Sep 2026 $57.07 18 Sep 2026 $55.50 21 Sep 2026 $55.31 22 Sep 2026 $57.09 23 Sep 2026 $55.61 24 Sep 2026 $59.49 25 Sep 2026 $57.68 28 Sep 2026 $59.18 29 Sep 2026 $59.19 30 Sep 2026 $51.49 1 Oct 2026 $51.98 2 Oct 2026 $55.36 5 Oct 2026 $55.62 6 Oct 2026 $54.77 7 Oct 2026 $54.88 8 Oct 2026 $54.75 9 Oct 2026 $55.21 Krempa David Chief Business Officer Sold at will $1.43M 22 May 2026 · at $33.39 · 62.9% of stake Krempa David Chief Business Officer Sold at will $1.18M 26 May 2026 · at $31.49 · 59.8% of stake Krempa David Chief Business Officer Sold at will $619.37K 27 May 2026 · at $31.47 · 43.8% of stake BRYNJELSEN SEAN President & CEO Sold at will $3.83M 28 May 2026 · at $31.88 · 12.6% of stake Adams Jennifer McKie Director Sold at will $1.62M 17 Jun 2026 · at $32.48 · 100% of stake Opaleye Management Inc. 10% owner Sold at will $3.36M 2 Jul 2026 · at $37.39 · 60.0% of stake Opaleye Management Inc. 10% owner Sold at will $380.00K 6 Jul 2026 · at $38.00 · 0.4% of stake Opaleye Management Inc. 10% owner Sold at will $1.02M 7 Jul 2026 · at $38.37 · 33.4% of stake Opaleye Management Inc. 10% owner Sold at will $1.06M 14 Jul 2026 · at $37.54 · 41.4% of stake BRYNJELSEN SEAN President & CEO Sold at will $562.47K 19 Aug 2026 · at $62.65 · 0.8% of stake BRYNJELSEN SEAN President & CEO Sold at will $5.53M 20 Aug 2026 · at $60.70 · 8.7% of stake Krempa David Chief Business Officer Sold at will $1.63M 24 Aug 2026 · at $65.07 · 40.3% of stake MAIER PAUL V Director Sold at will $2.95M 28 Aug 2026 · at $59.07 · 45.6% of stake Krempa David Chief Business Officer Sold at will $229.41K 6 Oct 2026 · at $55.07 · 8.8% of stake
0 buys14 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$79.95M
Net income
$4.60M
Free cash flow
$10.19M
Gross margin
53.5%
Operating margin
-1.1%
Net margin
-5.8%
Return on equity
-17.6%
Return on capital
-1.2%
Debt to equity
1.17
Revenue growth, 1 yr
104.9%
Revenue growth, 5 yr
359.6% a year

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
39K -28M FY20 Fiscal year 2020 Revenue $39.00K Net income $27.97M Margin -71,717.9% 22M -2M FY21 Fiscal year 2021 Revenue $21.83M Net income $1.96M Margin -9.0% · growth +55,879.5% 21M -9M FY22 Fiscal year 2022 Revenue $21.25M Net income $9.02M Margin -42.4% · growth -2.7% 32M -936K FY23 Fiscal year 2023 Revenue $31.64M Net income $936.00K Margin -3.0% · growth +48.9% 39M -4M FY24 Fiscal year 2024 Revenue $39.01M Net income $3.82M Margin -9.8% · growth +23.3% 80M -5M FY25 Fiscal year 2025 Revenue $79.95M Net income $4.60M Margin -5.8% · growth +104.9%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
6 Oct 2026 Krempa David
Chief Business Officer
Sold at will $229.41K 8.8%
28 Aug 2026 MAIER PAUL V
Director
Sold at will $2.95M 45.6%
24 Aug 2026 Krempa David
Chief Business Officer
Sold at will $1.63M 40.3%
20 Aug 2026 BRYNJELSEN SEAN
President & CEO
Sold at will $5.53M 8.7%
19 Aug 2026 BRYNJELSEN SEAN
President & CEO
Sold at will $562.47K 0.8%
14 Jul 2026 Opaleye Management Inc.
10% owner
Sold at will $1.06M 41.4%