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SELLAS Life Sciences Group, Inc. (SLS) Stock Fundamental Analysis & AI Rating 2026

SLS Nasdaq Pharmaceutical Preparations DE CIK: 0001390478
Recently Updated • Analysis: Apr 16, 2026 • SEC Data: 2025-12-31
SELL
88% Conf
Pending
Analysis scheduled

📊 SLS Key Takeaways

Revenue: $79.0K
Net Margin: -34,003.8%
Free Cash Flow: $-28.4M
Current Ratio: 10.72x
Debt/Equity: 0.00x
EPS: $-0.25
AI Rating: SELL with 88% confidence
SELLAS Life Sciences Group, Inc. (SLS) receives a SELL rating with 88% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $79.0K, net profit margin of -34,003.8%, and return on equity (ROE) of -37.9%, SELLAS Life Sciences Group, Inc. demonstrates mixed fundamentals in the Healthcare sector. Below is our complete SLS stock analysis for 2026.

Is SELLAS Life Sciences Group, Inc. (SLS) a Good Investment?

Claude

SELLAS is a pre-revenue pharmaceutical company facing fundamental business challenges with revenue collapsed to $79K and annual operating cash burn of $28.4M. While the strong balance sheet ($71.8M cash, zero debt) provides approximately 2.5 years of operational runway, the absence of meaningful revenue and massive operating losses indicate the company is in financial distress without clear catalysts for recovery.

Why Buy SELLAS Life Sciences Group, Inc. Stock? SLS Key Strengths

Claude
  • + Zero debt and no interest-bearing obligations eliminate financial leverage risk
  • + Cash position of $71.8M provides sufficient runway for continued operations through clinical development
  • + Excellent liquidity ratios (10.72x current and quick ratios) ensure near-term solvency
  • + Net loss improved 13% YoY, suggesting some operational cost discipline

SLS Stock Risks: SELLAS Life Sciences Group, Inc. Investment Risks

Claude
  • ! Complete revenue collapse to $79K from prior periods indicates failed commercialization or discontinued products/partnerships
  • ! Negative $28.4M operating cash flow with no revenue generation is structurally unsustainable
  • ! Zero insider Form 4 filings in past 90 days reflects lack of management confidence in the business
  • ! Company appears to be pre-revenue or failed-stage biotech with no demonstrated commercial viability
  • ! Cash runway of 2.5 years at current burn rate creates critical timeline pressure without revenue recovery

Key Metrics to Watch

Claude
  • * Quarterly revenue trends and announcements of new product launches or licensing deals
  • * Operating cash burn trajectory and management guidance on path to profitability
  • * Clinical trial data releases and FDA approval decisions for pipeline drugs
  • * Insider stock transactions as early indicator of management confidence shifts

SELLAS Life Sciences Group, Inc. (SLS) Financial Metrics & Key Ratios

Revenue
$79.0K
Net Income
$-26.9M
EPS (Diluted)
$-0.25
Free Cash Flow
$-28.4M
Total Assets
$78.3M
Cash Position
$71.8M

💡 AI Analyst Insight

Strong liquidity with a 10.72x current ratio provides a solid financial cushion.

SLS Profit Margin, ROE & Profitability Analysis

Gross Margin 1,224.1%
Operating Margin -35,789.9%
Net Margin -34,003.8%
ROE -37.9%
ROA -34.3%
FCF Margin -35,943.0%

SLS vs Healthcare Sector: How SELLAS Life Sciences Group, Inc. Compares

How SELLAS Life Sciences Group, Inc. compares to Healthcare sector averages

Net Margin
SLS -34,003.8%
vs
Sector Avg 12.0%
SLS Sector
ROE
SLS -37.9%
vs
Sector Avg 15.0%
SLS Sector
Current Ratio
SLS 10.7x
vs
Sector Avg 2.0x
SLS Sector
Debt/Equity
SLS 0.0x
vs
Sector Avg 0.6x
SLS Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is SELLAS Life Sciences Group, Inc. Stock Overvalued? SLS Valuation Analysis 2026

Based on fundamental analysis, SELLAS Life Sciences Group, Inc. has mixed fundamental signals relative to the Healthcare sector in 2026.

Return on Equity
-37.9%
Sector avg: 15%
Net Profit Margin
-34,003.8%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

SELLAS Life Sciences Group, Inc. Balance Sheet: SLS Debt, Cash & Liquidity

Current Ratio
10.72x
Quick Ratio
10.72x
Debt/Equity
0.00x
Debt/Assets
9.5%
Interest Coverage
-36.96x
Long-term Debt
$0.0

SLS Revenue & Earnings Growth: 5-Year Financial Trend

SLS 5-year financial data: Year 2020: Revenue $1.9M, Net Income N/A, EPS N/A. Year 2021: Revenue $7.6M, Net Income -$16.8M, EPS $-2.11. Year 2022: Revenue $7.6M, Net Income -$20.7M, EPS $-1.34. Year 2023: Revenue $1.0M, Net Income -$41.3M, EPS $-2.13.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: SELLAS Life Sciences Group, Inc.'s revenue has declined by 47% over the 5-year period, indicating business contraction. The most recent EPS of $-0.50 indicates the company is currently unprofitable.

SLS Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-35,943.0%
Free cash flow / Revenue

SLS Quarterly Earnings & Performance

Quarterly financial performance data for SELLAS Life Sciences Group, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2023 N/A -$7.0M $-0.33
Q2 2023 N/A -$8.4M $-0.31
Q1 2023 N/A -$11.1M $-0.47
Q3 2022 N/A -$7.0M $-0.34
Q2 2022 N/A -$4.6M $-0.30
Q1 2022 $1.0M -$2.4M $-0.16
Q3 2021 N/A -$4.5M $-0.45
Q2 2021 N/A -$4.4M $-0.30

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

SELLAS Life Sciences Group, Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$28.4M
Cash generated from operations
Stock Buybacks
$3.5M
Shares repurchased (TTM)
Capital Expenditures
$6.0K
Investment in assets
Dividends
None
No dividend program

SLS SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for SELLAS Life Sciences Group, Inc. (CIK: 0001390478)

📋 Recent SEC Filings

Date Form Document Action
Mar 19, 2026 8-K sls-20260319.htm View →
Mar 19, 2026 10-K sls-20251231.htm View →
Mar 11, 2026 8-K tm268596d1_8k.htm View →
Jan 9, 2026 4 xslF345X05/tm262627-7_4seq1.xml View →
Jan 9, 2026 4 xslF345X05/tm262627-6_4seq1.xml View →

Frequently Asked Questions about SLS

What is the AI rating for SLS?

SELLAS Life Sciences Group, Inc. (SLS) has an AI rating of SELL with 88% confidence, based on fundamental analysis of SEC EDGAR filings.

What are SLS's key strengths?

Claude: Zero debt and no interest-bearing obligations eliminate financial leverage risk. Cash position of $71.8M provides sufficient runway for continued operations through clinical development.

What are the risks of investing in SLS?

Claude: Complete revenue collapse to $79K from prior periods indicates failed commercialization or discontinued products/partnerships. Negative $28.4M operating cash flow with no revenue generation is structurally unsustainable.

What is SLS's revenue and growth?

SELLAS Life Sciences Group, Inc. reported revenue of $79.0K.

Does SLS pay dividends?

SELLAS Life Sciences Group, Inc. does not currently pay dividends.

Where can I find SLS SEC filings?

Official SEC filings for SELLAS Life Sciences Group, Inc. (CIK: 0001390478) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is SLS's EPS?

SELLAS Life Sciences Group, Inc. has a diluted EPS of $-0.25.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is SLS a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, SELLAS Life Sciences Group, Inc. has a SELL rating with 88% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is SLS stock overvalued or undervalued?

Valuation metrics for SLS: ROE of -37.9% (sector avg: 15%), net margin of -34,003.8% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy SLS stock in 2026?

Our dual AI analysis gives SELLAS Life Sciences Group, Inc. a combined SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is SLS's free cash flow?

SELLAS Life Sciences Group, Inc.'s operating cash flow is $-28.4M, with capital expenditures of $6.0K. FCF margin is -35,943.0%.

How does SLS compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin -34,003.8% (avg: 12%), ROE -37.9% (avg: 15%), current ratio 10.72 (avg: 2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 16, 2026 | Data as of: 2025-12-31 | Powered by Claude AI