8-K Announcements
6Mar 19, 2026·SEC
Mar 11, 2026·SEC
Jan 8, 2026·SEC
SELLAS Life Sciences Group, Inc. (SLS) fundamental analysis — strengths, weaknesses & financial health based on data analysis
* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.
SELLAS Life Sciences Group, Inc. (SLS) stock price & volume — 10-year historical chart
SELLAS Life Sciences Group, Inc. (SLS) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR
SELLAS Life Sciences Group, Inc. (SLS) EPS & revenue vs analyst estimates — last 4 quarters
| Quarter | Date | EPS (Act vs Est) | Revenue (Act vs Est) |
|---|---|---|---|
| Q2 2026Latest | Mar 19, 2026 | $0.05vs $0.06+21.0% | — |
| Q4 2025 | Nov 12, 2025 | $0.06vs $0.06+5.3% | — |
| Q3 2025 | Aug 12, 2025 | $0.07vs $0.08+16.0% | — |
| Q2 2025 | May 13, 2025 | $0.07vs $0.10+30.0% | — |
SELLAS Life Sciences Group, Inc. (SLS) competitors in Oncology Therapeutics Developers — business model, growth, and fundamentals comparison
SELLAS Life Sciences Group, Inc. (SLS) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.
SELLAS Life Sciences Group, Inc. (SLS) annual income statement — 10-year revenue, gross profit & net income history
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Sales/Revenue | 0 | 0 | 0 | 1.9M | 7.6M | 1M | 0 | 0 | 0 | 0 |
| Revenue Growth % | - | - | - | - | 300% | -86.84% | -100% | - | - | - |
| Cost of Goods Sold | 0 | 0 | 0 | 0 | 200K | 100K | 0 | 0 | 0 | 0 |
| COGS % of Revenue | - | - | - | - | 2.63% | 10% | - | - | - | - |
| Gross Profit | 0▲ 0% | 0▲ 0% | 0▲ 0% | 1.9M▲ 0% | 7.4M▲ 289.5% | 900K▼ 87.8% | 0▼ 100.0% | 0▲ 0% | 0▲ 0% | 0▲ 0% |
| Gross Margin % | - | - | - | 100% | 97.37% | 90% | - | - | - | - |
| Gross Profit Growth % | 100% | - | - | - | 289.47% | -87.84% | -100% | - | - | - |
| Operating Expenses | 21.16M | 31.59M | 20.04M | 18.88M | 32.69M | 42.85M | 37.87M | 31.51M | 28.27M | 26.94M |
| OpEx % of Revenue | - | - | - | 993.79% | 430.18% | 4285% | - | - | - | - |
| Selling, General & Admin | 15.09M | 12.77M | 9.92M | 9.6M | 11.32M | 12.58M | 13.86M | 12.42M | 12.25M | 11.21M |
| SG&A % of Revenue | - | - | - | 505.26% | 148.95% | 1258.2% | - | - | - | - |
| Research & Development | 6.07M | 18.32M | 10.12M | 9.28M | 21.37M | 30.27M | 24.01M | 19.1M | 16.02M | 15.73M |
| R&D % of Revenue | - | - | - | 488.53% | 281.24% | 3026.8% | - | - | - | - |
| Other Operating Expenses | 0 | -3.03M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Operating Income | -15.71M▲ 0% | -31.59M▼ 101.0% | -20.04M▲ 36.6% | -16.98M▲ 15.3% | -25.29M▼ 48.9% | -41.95M▼ 65.8% | -37.87M▲ 9.7% | -31.51M▲ 16.8% | -28.27M▲ 10.3% | -26.94M▲ 0% |
| Operating Margin % | - | - | - | -893.79% | -332.82% | -4195% | - | - | - | - |
| Operating Income Growth % | 1.71% | -101.02% | 36.56% | 15.26% | -48.95% | -65.85% | 9.73% | 16.78% | 10.28% | - |
| EBITDA | -15.71M | -9.55M | -2.83M | -16.61M | -24.02M | -41.49M | 0 | 0 | -28.27M | -29.23M |
| EBITDA Margin % | - | - | - | -873.95% | -316.07% | -4149.3% | - | - | - | - |
| EBITDA Growth % | 1.71% | 39.21% | 70.34% | -486.13% | -44.66% | -72.74% | 100% | - | - | 10.71% |
| D&A (Non-Cash Add-back) | 3K | 22.04M | 17.21M | 377K | 1.27M | 457K | 37.87M | 31.51M | 0 | -2.56M |
| EBIT | -23.04M | -28.78M | -17.21M | -16.77M | -19.59M | -31.95M | -37.34M | -30.88M | 0 | -26.19M |
| Net Interest Income | 0 | 0 | 0 | 26K | 6K | 317K | 525K | 632K | 0 | 995K |
| Interest Income | 0 | 0 | 118K | 26K | 6K | 317K | 525K | 632K | 1.41M | 995K |
| Interest Expense | 462K | 266K | 118K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Income/Expense | -7.79M | 2.54M | 668K | 208K | 4.36M | 649K | 529K | 632K | 1.41M | 995K |
| Pretax Income | -23.5M▲ 0% | -29.05M▼ 23.6% | -19.37M▲ 33.3% | -16.77M▲ 13.4% | -20.94M▼ 24.8% | -41.3M▼ 97.3% | -37.34M▲ 9.6% | -30.88M▲ 17.3% | -26.86M▲ 13.0% | -25.94M▲ 0% |
| Pretax Margin % | - | - | - | -882.84% | -275.47% | -4130.1% | - | - | - | - |
| Income Tax | 253K | -1.38M | -81K | -17K | -237K | 0 | 0 | 0 | 0 | 0 |
| Effective Tax Rate % | -1.08% | 4.74% | 0.42% | 0.1% | 1.13% | 0% | 0% | 0% | 0% | 0% |
| Net Income | -23.75M▲ 0% | -27.67M▼ 16.5% | -19.29M▲ 30.3% | -16.76M▲ 13.1% | -20.7M▼ 23.5% | -41.3M▼ 99.5% | -37.34M▲ 9.6% | -30.88M▲ 17.3% | -26.86M▲ 13.0% | -25.94M▲ 0% |
| Net Margin % | - | - | - | -881.95% | -272.36% | -4130.1% | - | - | - | - |
| Net Income Growth % | -0.87% | -16.49% | 30.28% | 13.14% | -23.52% | -99.53% | 9.59% | 17.3% | 13.01% | 19.63% |
| Net Income (Continuing) | -23.75M | -27.67M | -19.29M | -16.76M | -20.7M | -41.3M | -37.34M | -30.88M | -26.86M | -25.94M |
| Discontinued Operations | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| EPS (Diluted) | -521.91▲ 0% | -157.72▲ 69.8% | -10.92▲ 93.1% | -2.11▲ 80.7% | -1.34▲ 36.5% | -2.13▼ 59.0% | -1.34▲ 37.1% | -0.50▲ 62.7% | -0.25▲ 50.0% | -0.24▲ 0% |
| EPS Growth % | 44.07% | 69.78% | 93.08% | 80.68% | 36.49% | -58.96% | 37.09% | 62.69% | 50% | 58.59% |
| EPS (Basic) | -521.91 | -157.72 | -10.92 | -2.11 | -1.34 | -2.13 | -1.34 | -0.50 | -0.25 | - |
| Diluted Shares Outstanding | 46.81K | 261.54K | 2.56M | 7.98M | 15.48M | 19.4M | 27.78M | 61.2M | 109.05M | 108.4M |
| Basic Shares Outstanding | 45K | 175K | 1.77M | 7.94M | 15.48M | 19.39M | 27.78M | 61.2M | 109.05M | 108.4M |
| Dividend Payout Ratio | - | - | - | - | - | - | - | - | - | - |
SELLAS Life Sciences Group, Inc. (SLS) balance sheet — assets, liabilities & shareholders' equity
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Total Current Assets | 13.09M | 5.84M | 8.24M | 36.92M | 23.04M | 17.76M | 3.17M | 16.33M | 75.21M | 49.05M |
| Cash & Short-Term Investments | 2.32M | 5.34M | 7.28M | 35.3M | 21.45M | 17.13M | 2.53M | 13.89M | 71.89M | 44.42M |
| Cash Only | 2.32M | 5.34M | 7.28M | 35.3M | 21.45M | 17.13M | 2.53M | 13.89M | 71.89M | 44.42M |
| Short-Term Investments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accounts Receivable | 0 | 0 | 308K | 1.13M | 0 | 0 | 0 | 0 | 0 | 0 |
| Days Sales Outstanding | - | - | - | 216.69 | - | - | - | - | - | - |
| Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Days Inventory Outstanding | - | - | - | - | - | - | - | - | - | - |
| Other Current Assets | 10.43M | 291K | 184K | 130K | 27K | 330K | 100K | 100K | 3.32M | 4.63M |
| Total Non-Current Assets | 20.44M | 11.08M | 8.37M | 9.12M | 3.38M | 3.19M | 3.05M | 3.31M | 3.13M | 2.5M |
| Property, Plant & Equipment | 0 | 0 | 217K | 896K | 723K | 874K | 858K | 925K | 963K | 556K |
| Fixed Asset Turnover | - | - | - | 2.12x | 10.51x | 1.14x | - | - | - | 0.00x |
| Goodwill | 1.91M | 1.91M | 1.91M | 1.91M | 1.91M | 1.91M | 1.91M | 1.91M | 1.91M | 1.91M |
| Intangible Assets | 17.6M | 8.5M | 5.7M | 5.7M | 0 | 0 | 0 | 0 | 0 | 0 |
| Long-Term Investments | 0 | 0 | 0 | 0 | 0 | -184K | 0 | 0 | 0 | 0 |
| Other Non-Current Assets | 925K | -765K | 536K | 614K | 594K | 399K | 275K | 466K | 257K | 1.02M |
| Total Assets | 33.53M▲ 0% | 16.91M▼ 49.5% | 16.61M▼ 1.8% | 46.05M▲ 177.3% | 26.43M▼ 42.6% | 20.94M▼ 20.8% | 6.22M▼ 70.3% | 19.43M▲ 212.5% | 78.34M▲ 303.2% | 51.55M▲ 0% |
| Asset Turnover | - | - | - | 0.04x | 0.29x | 0.05x | - | - | - | 0.00x |
| Asset Growth % | -49.06% | -49.55% | -1.81% | 177.25% | -42.61% | -20.75% | -70.31% | 212.46% | 303.18% | 463.71% |
| Total Current Liabilities | 24.57M | 5.97M | 5.29M | 12.34M | 4.98M | 15.52M | 13.73M | 9.51M | 7.02M | 5.92M |
| Accounts Payable | 11.69M | 3.75M | 3.9M | 4.66M | 2.14M | 3.36M | 5.64M | 3.5M | 2.95M | 2.31M |
| Days Payables Outstanding | - | - | - | - | 3.91K | 12.25K | - | - | - | - |
| Short-Term Debt | 8.38M | 0 | 0 | 0 | 198K | 0 | 0 | 0 | 544K | 0 |
| Deferred Revenue (Current) | 4.31M | 0 | 0 | 5.6M | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Current Liabilities | 1.49M | 8K | 606K | 1.01M | 1.65M | 5.5M | 1.53M | 1.82M | 6.47M | 3.02M |
| Current Ratio | 0.53x | 0.98x | 1.56x | 2.99x | 4.63x | 1.14x | 0.23x | 1.72x | 10.72x | 10.72x |
| Quick Ratio | 0.53x | 0.98x | 1.56x | 2.99x | 4.63x | 1.14x | 0.23x | 1.72x | 10.72x | 10.72x |
| Cash Conversion Cycle | - | - | - | - | - | - | - | - | - | - |
| Total Non-Current Liabilities | 6.89M | 5.7M | 5.23M | 5.75M | 1.1M | 577K | 460K | 457K | 457K | 0 |
| Long-Term Debt | 2.61M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 457K | 0 |
| Capital Lease Obligations | 0 | 0 | 0 | 825K | 610K | 573K | 460K | 457K | 0 | 923K |
| Deferred Tax Liabilities | 1.67M | 357K | 262K | 239K | 152K | 184K | 0 | 0 | 0 | 0 |
| Other Non-Current Liabilities | 2.6M | 5.34M | 4.96M | 4.69M | 336K | 4K | 0 | 0 | 0 | 0 |
| Total Liabilities | 31.46M | 11.67M | 10.52M | 18.09M | 6.08M | 16.09M | 14.2M | 9.97M | 7.47M | 5.92M |
| Total Debt | 10.99M | 0 | 217K | 991K | 808K | 945K | 906K | 1M | 1M | 599K |
| Net Debt | 8.67M | -5.34M | -7.06M | -34.31M | -20.65M | -16.18M | -1.62M | -12.88M | -70.89M | -43.82M |
| Debt / Equity | 5.31x | - | 0.04x | 0.04x | 0.04x | 0.19x | - | 0.11x | 0.01x | 0.01x |
| Debt / EBITDA | - | - | - | - | - | - | - | - | - | -0.02x |
| Net Debt / EBITDA | - | - | - | - | - | - | - | - | - | 1.50x |
| Interest Coverage | -34.01x | -118.76x | -169.84x | - | - | - | - | - | - | - |
| Total Equity | 2.07M▲ 0% | 5.25M▲ 153.4% | 6.09M▲ 16.2% | 27.96M▲ 358.9% | 20.35M▼ 27.2% | 4.85M▼ 76.2% | -7.98M▼ 264.4% | 9.46M▲ 218.7% | 70.87M▲ 648.8% | 45.63M▲ 0% |
| Equity Growth % | -92.78% | 153.38% | 16.17% | 358.9% | -27.23% | -76.16% | -264.42% | 218.67% | 648.77% | 1390.11% |
| Book Value per Share | 44.22 | 20.05 | 2.38 | 3.51 | 1.31 | 0.25 | -0.29 | 0.15 | 0.65 | 0.42 |
| Total Shareholders' Equity | 2.07M | 5.25M | 6.09M | 27.96M | 20.35M | 4.85M | -7.98M | 9.46M | 70.87M | 45.63M |
| Common Stock | 1K | 2K | 1K | 1K | 2K | 2K | 3K | 7K | 15K | 12K |
| Retained Earnings | -54.19M | -81.86M | -101.15M | -117.9M | -138.6M | -179.9M | -217.24M | -248.13M | -274.99M | -267.33M |
| Treasury Stock | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accumulated OCI | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
SELLAS Life Sciences Group, Inc. (SLS) cash flow — operating, investing & free cash flow history
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Cash from Operations | -10.99M | -30.42M | -17.64M | -10.42M | -26.02M | -23.81M | -31.41M | -35.4M | -28.39M | -28.39M |
| Operating CF Margin % | - | - | - | -548.26% | -342.38% | -2380.9% | - | - | - | - |
| Operating CF Growth % | 75.53% | -176.84% | 42.01% | 40.96% | -149.79% | 8.5% | -31.92% | -12.71% | 19.81% | 1.21% |
| Net Income | -23.75M | -27.67M | -19.29M | -16.76M | -20.7M | -41.3M | -37.34M | -30.88M | -26.86M | -25.94M |
| Depreciation & Amortization | 0 | 3.76M | 1.7M | 282K | 5.68M | 457K | 0 | 0 | 0 | 0 |
| Stock-Based Compensation | 3.17M | 395K | 573K | 578K | 1.01M | 1.73M | 1.39M | 1.56M | 1.96M | 1.88M |
| Deferred Taxes | 0 | -1.32M | -95K | -23K | -239K | -457K | 0 | 0 | 0 | 0 |
| Other Non-Cash Items | 3.53M | 4.42M | 586K | -87K | -4.16M | 10.13M | 1.2M | 561K | -3.48M | 591K |
| Working Capital Changes | 6.07M | -10.01M | -1.11M | 5.59M | -7.62M | 5.64M | 3.35M | -6.65M | 0 | -7.15M |
| Change in Receivables | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Inventory | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Change in Payables | 8.37M | -7.94M | 12K | -836K | -2.51M | 1.21M | 2.3M | -2.14M | -535K | -2.31M |
| Cash from Investing | 1.81M | 0 | 0 | 0 | 0 | -4.5M | -5.5M | 0 | 0 | 0 |
| Capital Expenditures | 0 | 0 | 0 | 0 | 0 | -4.5M | -5.5M | 0 | 0 | 0 |
| CapEx % of Revenue | - | - | - | - | - | 450% | - | - | - | - |
| Acquisitions | 1.81M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Investments | - | - | - | - | - | - | - | - | - | - |
| Other Investing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cash from Financing | 5.53M | 23.12M | 19.57M | 38.44M | 12.07M | 24.08M | 22.32M | 46.76M | 86.3M | 53.91M |
| Debt Issued (Net) | -473K | -7.6M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Equity Issued (Net) | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | 0 | 3.07M |
| Dividends Paid | -675K | -487K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | 0 | 0 | 3.6M | 8.84M | 3.07M | 85K | 90K | 594K | 86.3M | -63K |
| Net Change in Cash | -3.64M▲ 0% | -7.3M▼ 100.4% | 1.93M▲ 126.4% | 28.02M▲ 1355.1% | -13.95M▼ 149.8% | -4.23M▲ 69.7% | -14.6M▼ 245.0% | 11.36M▲ 177.8% | 57.91M▲ 409.9% | 23.29M▲ 0% |
| Free Cash Flow | -10.99M▲ 0% | -30.42M▼ 176.8% | -17.64M▲ 42.0% | -10.42M▲ 41.0% | -26.02M▼ 149.8% | -28.31M▼ 8.8% | -36.91M▼ 30.4% | -35.4M▲ 4.1% | -28.39M▲ 19.8% | -30.62M▲ 0% |
| FCF Margin % | - | - | - | -548.26% | -342.38% | -2830.9% | - | - | - | - |
| FCF Growth % | 75.54% | -176.84% | 42.01% | 40.96% | -149.79% | -8.79% | -30.38% | 4.09% | 19.81% | 20.62% |
| FCF per Share | -234.77 | -116.32 | -6.90 | -1.31 | -1.68 | -1.46 | -1.33 | -0.58 | -0.26 | -0.26 |
| FCF Conversion (FCF/Net Income) | 0.46x | 1.10x | 0.91x | 0.62x | 1.26x | 0.58x | 0.84x | 1.15x | 1.06x | 1.18x |
| Interest Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
SELLAS Life Sciences Group, Inc. (SLS) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios
| Metric | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Return on Equity (ROE) | -154.61% | -756.53% | -340.31% | -98.41% | -85.7% | -327.81% | - | -4147.88% | -66.88% | -95.2% |
| Return on Invested Capital (ROIC) | -62.51% | -445.04% | - | - | - | - | - | - | - | -38481.43% |
| Gross Margin | - | - | - | 100% | 97.37% | 90% | - | - | - | - |
| Net Margin | - | - | - | -881.95% | -272.36% | -4130.1% | - | - | - | - |
| Debt / Equity | 5.31x | - | 0.04x | 0.04x | 0.04x | 0.19x | - | 0.11x | 0.01x | 0.01x |
| Interest Coverage | -34.01x | -118.76x | -169.84x | - | - | - | - | - | - | - |
| FCF Conversion | 0.46x | 1.10x | 0.91x | 0.62x | 1.26x | 0.58x | 0.84x | 1.15x | 1.06x | 1.18x |
| Revenue Growth | - | - | - | - | 300% | -86.84% | -100% | - | - | - |
SELLAS Life Sciences Group, Inc. (SLS) SEC filings — annual & quarterly reports (10-K, 10-Q)
Mar 19, 2026·SEC
Mar 11, 2026·SEC
Jan 8, 2026·SEC
SELLAS Life Sciences Group, Inc. (SLS) stock FAQ — growth, dividends, profitability & financials explained
SELLAS Life Sciences Group, Inc. (SLS) grew revenue by 0.0% over the past year. Growth has been modest.
SELLAS Life Sciences Group, Inc. (SLS) reported a net loss of $25.9M for fiscal year 2025.
SELLAS Life Sciences Group, Inc. (SLS) has a return on equity (ROE) of -66.9%. Negative ROE indicates the company is unprofitable.
SELLAS Life Sciences Group, Inc. (SLS) had negative free cash flow of $30.6M in fiscal year 2025, likely due to heavy capital investments.
SELLAS Life Sciences Group, Inc. (SLS) financial analysis — history, returns, DCA and operating performance tools
Historical returns with dividends reinvested
Dollar cost averaging vs lump sum
Yield, growth, payout safety & DRIP
EPS trends, net income & profitability
Long-term charts & historical price data
Sales growth patterns & revenue breakdown
30 years of market, efficiency and balance-sheet ratios
DCF intrinsic value, peer multiples & estimates