Stock Fundamentals

Company Information

Company Name
Eton Pharmaceuticals Inc
Sector
Healthcare
Industry
Drug Manufacturers - Specialty & Generic
Exchange
NASDAQ
ISIN: US29772L1089
CIK: 0001710340
CUSIP: 29772L108
Currency: USD
Full Time Employees: 31
Phone: 847 787 7361
Fiscal Year End: December
IPO Date: Nov 13, 2018
Description:

Eton Pharmaceuticals, Inc., a pharmaceutical company, focuses on developing and commercializing treatments for rare diseases. Its commercial rare disease products include Increlex for the treatment of severe primary igf-1 deficiency; Alkindi Sprinkle for adrenal insufficiency; Galzin for Wilson disease; PKU Golike for phenylketonuria; Carglumic Acid for N-acetylglutamate synthase deficiency; Betaine Anhydrous for homocystinuria; and Nitisinone for tyrosinemia type 1. The company is also developing various product candidates, which are in late-stage development, including ET-400 for treating adrenal insufficiency; ET-600 for diabetes insipidus; Amglidia for neonatal diabetes mellitus; ET-700 for Wilson disease; ET-800 for adrenal insufficiency; and ZENEO hydrocortisone autoinjector for adrenal crisis. Eton Pharmaceuticals, Inc. was incorporated in 2017 and is based in Deer Park, Illinois.

Address:

21925 W. Field Parkway, Deer Park, IL, United States, 60010-7278

Directors & Officers

Name Title Year Born
Mr. Sean E. Brynjelsen President, CEO & Director 1972
Mr. James R. Gruber CPA CFO, Treasurer & Secretary 1972
Mr. David C. Krempa Chief Business Officer 1989
Ms. Ipek Erdogan-Trinkaus Chief Commercial Officer 1982
Danka Radosavljevic Executive Vice President of Operations NA
Mr. Scott Grossenbach Senior Vice President of Sales Operations NA

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
Opaleye Management Inc 2.86M Dec 31, 2025 10.66% $6.38 0.00%
EcoR1 Capital, LLC 2.03M Dec 31, 2025 7.57% $1.56 0.00%
BlackRock Inc 1.70M Sep 30, 2025 6.36% $0.00 11.27%
Vanguard Group Inc 1.35M Dec 31, 2025 5.03% $0.00 0.34%
Nantahala Capital Management, LLC 1.18M Dec 31, 2025 4.39% $0.66 0.00%
JPMorgan Chase & Co 702.83K Sep 30, 2025 2.62% $0.00 189.73%
Morgan Stanley - Brokerage Accounts 586.05K Sep 30, 2025 2.19% $0.00 15.01%
Geode Capital Management, LLC 574.03K Sep 30, 2025 2.14% $0.00 -3.18%
Royal Bank of Canada 479.19K Sep 30, 2025 1.79% $0.00 4,630.43%
Westside Investment Management, Inc. 470.94K Dec 31, 2025 1.76% $1.27 -0.34%
Cannell Capital LLC 455.41K Sep 30, 2025 1.70% $1.51 17.32%
State Street Corp 438.45K Sep 30, 2025 1.63% $0.00 35.66%
Oberweis Asset Management Inc 431.30K Dec 31, 2025 1.61% $0.27 124.22%
Thompson, Siegel & Walmsley LLC 408.54K Dec 31, 2025 1.52% $0.12 -2.40%
Divisadero Street Capital Management, LP 298.00K Sep 30, 2025 1.11% $0.28 -40.13%
BNP Paribas Arbitrage, SA 277.46K Dec 31, 2025 1.03% $0.00 216.39%
Northern Trust Corp 245.05K Sep 30, 2025 0.91% $0.00 -6.54%
UBS Group AG 220.36K Sep 30, 2025 0.82% $0.00 3.71%
Renaissance Technologies Corp 205.70K Dec 31, 2025 0.77% $0.01 -36.63%
Soleus Capital Management, L.P. 200.00K Sep 30, 2025 0.75% $0.22 -29.82%

Shares Statistics

Shares Outstanding: 26.82M
Shares Float: 17.82M
% Insiders: 451.60%
% Institutions: 5,972.30%
Short % Float: 8.26%

🏆 Top 10 Institutional Holders

Rank Holder Name Shares Held % of Shares Change Date Reported
1 Opaleye Management Inc 2.86M 10.66% ▲ 0.00% Dec 31, 2025
2 EcoR1 Capital, LLC 2.03M 7.57% ▲ 0.00% Dec 31, 2025
3 BlackRock Inc 1.70M 6.36% ▲ 11.27% Sep 30, 2025
4 Vanguard Group Inc 1.35M 5.03% ▲ 0.34% Dec 31, 2025
5 Nantahala Capital Management, LLC 1.18M 4.39% ▲ 0.00% Dec 31, 2025
6 JPMorgan Chase & Co 702.83K 2.62% ▲ 189.73% Sep 30, 2025
7 Morgan Stanley - Brokerage Accounts 586.05K 2.19% ▲ 15.01% Sep 30, 2025
8 Geode Capital Management, LLC 574.03K 2.14% ▼ 3.18% Sep 30, 2025
9 Royal Bank of Canada 479.19K 1.79% ▲ 4,630.43% Sep 30, 2025
10 Westside Investment Management, Inc. 470.94K 1.76% ▼ 0.34% Dec 31, 2025

Valuation Metrics

Enterprise Value: $449.89M
Trailing P/E: 0.00
Forward P/E: 14.53

Financial Highlights

Market Cap: $455.63M
EBITDA: $4.72M
Book Value: $0.86
Earnings/Share: $-0.26
Profit Margin: -9.50%
Operating Margin: -0.17%
ROA (TTM): 1.26%
ROE (TTM): -34.17%
Revenue (TTM): $70.32M
Revenue/Share (TTM): $2.63
Earnings Growth (YOY): -12.60%
Revenue Growth (YOY): 117.50%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Download Financials (Excel)

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios (Yearly)

Financial Ratios (Quarterly)

Earnings History

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2024-12-31 2.06x 1.22x 0.68x -1.30x -20.55x
2023-12-31 1.65x 0.35x 0.51x -1.12x -18.49x
2022-12-31 3.10x 0.49x 0.48x -8.65x -0.99x
2021-12-31 5.18x 0.38x 0.36x -1.49x -6.47x
2020-12-31 6.51x 0.45x 0.40x -30.50x -0.27x
2019-12-31 7.65x 0.44x 0.38x -66.20x -0.26x
2018-12-31 13.59x 0.00x 0.07x -62.93x 0.00x
2017-12-31 16.76x 0.00x 0.10x N/A 0.00x

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Aug 20, 2025 James R Gruber N/A Sale 2.63K $16.02 $42.15K
Aug 19, 2025 James R Gruber N/A Sale 39.08K $16.16 $631.57K
Jun 16, 2025 David Krempa N/A Sale 10.22K $14.73 $150.58K
Jun 13, 2025 David Krempa N/A Sale 6.80K $14.77 $100.44K
Jun 12, 2025 David Krempa N/A Sale 16.98K $14.92 $253.30K

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