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1. Company Snapshot

1.a. Company Description

Eton Pharmaceuticals, Inc., a specialty pharmaceutical company, focuses on developing and commercializing pharmaceutical products for rare diseases.The company offers Biorphen, a phenylephrine injection for the treatment of clinically important hypotension resulting primarily from vasodilation in the setting of anesthesia; Carglumic Acid for the treatment of acute and chronic hyperammonemia due to N-acetylglutamate Synthase deficiency; and Rezipres, a ready-to-use formulation of a molecule that is indicated for the treatment of clinically important hypotension occurring in the setting of anesthesia.It also offers Alkindi Sprinkle, a replacement therapy for adrenocortical insufficiency in children under 17 years of age; EPRONTIA, a liquid formulation of topiramate; and Alaway Preservative Free, a preservative-free ophthalmic product to treat allergic conjunctivitis.


In addition, the company develops Zonisamide Oral Suspension for the treatment of partial on-set seizures; Lamotrigine for Oral Suspension for the treatment of partial on-set seizures; cysteine injection; dehydrated alcohol injection; and Zeneo hydrocortisone autoinjector.Eton Pharmaceuticals, Inc.was incorporated in 2017 and is based in Deer Park, Illinois.

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1.b. Last Insights on ETON

The recent 3 months performance of Eton Pharmaceuticals, Inc. was negatively impacted by the extension of the PDUFA goal date for ET-400, pushing the new approval date to May 28, 2025. Additionally, the company's acquisition and relaunch of Increlex, a pediatric endocrinology biologic, was offset by the out-licensing of commercial rights to Increlex in territories outside of the U.S. to Esteve Pharmaceuticals, S.A. The company's patent portfolio expansion with the issuance of a new U.S. patent for ET-600 provided some positive news, but the overall performance was marred by the delay in ET-400's approval.

1.c. Company Highlights

2. Eton Pharma's Q4 Surge: Doubling Revenue, Sharpening Margins

In the fourth quarter of 2025, Eton Pharmaceuticals reported revenue of $21.3 million, an 83% jump YoY, and adjusted EBITDA of $6.2 million, equating to a 29% margin—up from 18% in 2024. GAAP net income was a modest $1.5 million, while non‑GAAP net income reached $5.4 million, reflecting a $0.05 EPS versus analyst expectations of $0.12.

Publication Date: 07:13

📋 Highlights

Revenue Explosion

The lift was driven by the successful launch of Incrolex, Galzyn, and Kinduvi, with Alkindi Sprinkle adding a new revenue stream. Product revenue alone hit $21.3 million, underscoring the strength of Eton’s pediatric endocrinology portfolio and the momentum behind Desmota, the newly FDA‑approved oral desmopressin, which is expected to generate $30 M to $50 M in peak sales (Staff, 2025).

Margin Expansion

Adjusted gross profit climbed to $15.5 million, a 73% margin—up from 59% last year—thanks to higher product mix and efficient cost controls. R&D outlays rose to $1.8 million, while G&A increased to $8.9 million; however, the company’s disciplined spending has still yielded a 29% EBITDA margin, a notable improvement over the 18% in 2024.

Product Pipeline Momentum

Beyond the existing lineup, the company is advancing key pipeline assets: Hemangiol’s relaunch, the extended‑release Galzin (ET700), and the planned NDA for AMCLIDIA by year‑end. With 300 active Galzin patients and a projected 800‑patient base, the pipeline is poised to double patient numbers and generate over $100 million in peak sales for ET700.

Cash Flow & Debt Management

Eton’s cash flow conversion from EBITDA is projected to remain positive in 2026, with operating cash flow expected to cover debt principal repayments. The acquisition of Hemangiol was financed entirely from cash on hand, avoiding dilution and keeping net debt/EBITDA at a favorable negative 4.36.

Valuation Snapshot

At a P/S ratio of 8.55 and an EV/EBITDA of 174.16, the stock trades at a premium that reflects its rapid growth trajectory and high‑margin prospects. The company’s goal of a $200 million revenue run‑rate by Q4 2027 and a 50% adjusted EBITDA margin by 2028 underscores the potential for further upside.

Outlook & Guidance

3. NewsRoom

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Eton Pharmaceuticals Inc (ETON) Shares Fall 9.4% -- What GF Score of 73 Tells Investors

Apr -16

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Eton Pharmaceuticals Announces CFO Succession Plan

Apr -16

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Eton Pharmaceuticals (ETON) Soars 6.7%: Is Further Upside Left in the Stock?

Mar -24

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Recent Price Trend in Eton Pharmaceuticals (ETON) is Your Friend, Here's Why

Mar -23

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Does Eton Pharmaceuticals (ETON) Have the Potential to Rally 49.25% as Wall Street Analysts Expect?

Mar -20

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Eton Pharmaceuticals, Inc. (ETON) Q4 2025 Earnings Call Transcript

Mar -19

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Eton Pharmaceuticals, Inc. (ETON) Q4 Earnings Lag Estimates

Mar -19

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Eton Pharmaceuticals Reports Fourth Quarter and Full Year 2025 Financial Results

Mar -19

4. Business Breakdown

4.a. Revenues by Country

4.b. Revenues by Segment

5. Expected revenues mid-term growth (8.74%)

6. Segments

Prescription Drug Products

Expected Growth: 8.74%

Eton Pharmaceuticals' 8.74% growth in Prescription Drug Products is driven by increasing demand for specialty generics, expanded product offerings, and strategic partnerships. Additionally, the company's focus on rare disease treatments and orphan drugs contributes to growth. Furthermore, investments in R&D and regulatory approvals for new products also support the segment's growth.

7. Detailed Products

Alkindi Sprinkle

Alkindi Sprinkle is a hydrocortisone granule formulation for the treatment of adrenocortical insufficiency in pediatric patients.

Biorphen

Biorphen is a phenylephrine injection used to treat clinically important hypotension resulting primarily from vasodilation in the setting of anesthesia.

Rezipres

Rezipres is a prescription medicine used to treat high blood pressure in adults and children 6 years of age and older.

ET-105

ET-105 is a novel, oral, once-daily formulation of topiramate for the treatment of epilepsy and other central nervous system disorders.

8. Eton Pharmaceuticals, Inc.'s Porter Forces

Forces Ranking

Threat Of Substitutes

Eton Pharmaceuticals, Inc. faces moderate threat from substitutes due to the presence of alternative treatments and generic drugs.

Bargaining Power Of Customers

Customers have limited bargaining power due to the specialized nature of Eton Pharmaceuticals, Inc.'s products and the lack of alternative suppliers.

Bargaining Power Of Suppliers

Suppliers have moderate bargaining power due to the presence of multiple suppliers and the company's dependence on a few key suppliers.

Threat Of New Entrants

The threat of new entrants is high due to the growing demand for pharmaceuticals and the relatively low barriers to entry in the industry.

Intensity Of Rivalry

The intensity of rivalry is high due to the presence of several established players in the industry and the high stakes involved in the development of new drugs.

9. SWOT Analysis

10. Capital Structure

10.a. Balance Sheet

10.b. Weighted Average Cost of capital

Value
Debt Weight 26.06%
Debt Cost 6.79%
Equity Weight 73.94%
Equity Cost 9.88%
WACC 9.07%
Leverage 35.25%

11. Quality Control: Eton Pharmaceuticals, Inc. passed 4 out of 9 key points

12.a Historical Valuation

12.b Price/Earnings Ratio

12.c Margin Valuation

12.d Peers Valuation

Peers Group Analysis

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Atara Bio

A-Score: 4.9/10

Value: 7.4

Growth: 7.9

Quality: 7.0

Yield: 0.0

Momentum: 6.0

Volatility: 1.0

1-Year Total Return ->

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Eton Pharmaceuticals

A-Score: 4.4/10

Value: 4.5

Growth: 7.2

Quality: 3.0

Yield: 0.0

Momentum: 9.0

Volatility: 3.0

1-Year Total Return ->

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Oramed Pharmaceuticals

A-Score: 4.3/10

Value: 7.8

Growth: 4.8

Quality: 3.0

Yield: 0.0

Momentum: 6.5

Volatility: 3.7

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Century Therapeutics

A-Score: 3.7/10

Value: 9.6

Growth: 5.6

Quality: 5.1

Yield: 0.0

Momentum: 0.5

Volatility: 1.7

1-Year Total Return ->

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Biora Therapeutics

A-Score: 3.0/10

Value: 8.8

Growth: 3.4

Quality: 5.2

Yield: 0.0

Momentum: 0.0

Volatility: 0.3

1-Year Total Return ->

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Senti Biosciences

A-Score: 2.3/10

Value: 6.8

Growth: 2.9

Quality: 2.6

Yield: 0.0

Momentum: 0.5

Volatility: 0.7

1-Year Total Return ->

Peers Metrics

12.e Scoring Insights

12.f DCF BETA

Parameters

Short Term Growth

Short term Time

Long-Term Growth

WACC

Target Price

25.04$

Current Price

25.04$

Potential

-0.00%

Expected Cash-Flows