SELLAS has no revenue, with net losses widening from -$7.5M in 2024Q2 to -$9.6M in 2026Q2, while R&D and SG&A expenses escalated to $6.3M and $4.4M respectively, indicating aggressive investment without top-line offset.
SELLAS Life Sciences Group, Inc. (SLS) annual income statement — 20-year revenue, gross profit & net income history
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 |
|---|
| Sales/Revenue | 0 | 0 | 0 | 0 | 1M | 7.6M | 1.9M | 0 | 0 | 0 | 0 | 0 | 9.32M | 2.49M | 2.04M | 0 | 0 | 0 | 0 | 0 | 0 |
| Revenue Growth % | - | - | - | -100% | -86.84% | 300% | - | - | - | - | - | -100% | 274.71% | 22.03% | - | - | - | - | - | - | - |
| Cost of Goods Sold | 0 | 0 | 0 | 0 | 100K | 200K | 0 | 0 | 0 | 0 | 3K | 355K | 1.4M | 520K | 49K | 163K | 0 | 0 | 0 | 11.41M | 0 |
| COGS % of Revenue | - | - | - | - | 10% | 2.63% | - | - | - | - | - | - | 15.06% | 20.91% | 2.4% | - | - | - | - | - | - |
| Gross Profit | 0 | 0 | 0 | 0 | 900K | 7.4M | 1.9M | 0 | 0 | 0 | -3K | -355K | 7.92M | 1.97M | -49K | -20.79M | 0 | 0 | 0 | -11.41M | 0 |
| Gross Margin % | - | - | - | - | 90% | 97.37% | 100% | - | - | - | - | - | 84.94% | 79.09% | -2.4% | - | - | - | - | - | - |
| Gross Profit Growth % | - | - | - | -100% | -87.84% | 289.47% | - | - | - | 100% | 99.15% | -104.48% | 302.44% | 4114.29% | 99.76% | - | - | - | 100% | - | - |
| Operating Expenses | 35.22M | 28.27M | 31.51M | 37.87M | 42.85M | 32.69M | 18.88M | 20.04M | 31.59M | 21.16M | 31.87M | 33.87M | 60.14M | 35.81M | 21.2M | 20.79M | 16.45M | 17.52M | 14.55M | 11.41M | 2.4M |
| OpEx % of Revenue | - | - | - | - | 4285% | 430.18% | 993.79% | - | - | - | - | - | 645.33% | 1439.77% | 1040.19% | - | - | - | - | - | - |
| Selling, General & Admin | 14.87M | 12.25M | 12.42M | 13.86M | 12.58M | 11.32M | 9.6M | 9.92M | 12.77M | 15.09M | 12.01M | 10.25M | 31.34M | 14.6M | 6.58M | 9.25M | 8.75M | 8.63M | 4.87M | 4.67M | 633K |
| SG&A % of Revenue | - | - | - | - | 1258.2% | 148.95% | 505.26% | - | - | - | - | - | 336.35% | 587.05% | 323.11% | - | - | - | - | - | - |
| Research & Development | 20.35M | 16.02M | 19.1M | 24.01M | 30.27M | 21.37M | 9.28M | 10.12M | 18.32M | 6.07M | 19.86M | 23.61M | 28.35M | 21.08M | 14.61M | 11.54M | 7.87M | 8.89M | 7.05M | 6.75M | 1.3M |
| R&D % of Revenue | - | - | - | - | 3026.8% | 281.24% | 488.53% | - | - | - | - | - | 304.26% | 847.45% | 717.08% | - | - | - | - | - | - |
| Other Operating Expenses | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -3.03M | 0 | 0 | 0 | 170K | 37K | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Operating Income | -35.22M | -28.27M | -31.51M | -37.87M | -41.95M | -25.29M | -16.98M | -20.04M | -31.59M | -15.71M | -15.99M | -34.22M | -36.61M | -33.84M | -21.2M | -20.79M | -16.63M | -17.52M | -14.55M | -11.41M | -2.4M |
| Operating Margin % | - | - | - | - | -4195% | -332.82% | -893.79% | - | - | - | - | - | -392.81% | -1360.68% | -1040.19% | - | - | - | - | - | - |
| Operating Income Growth % | - | 10.28% | 16.78% | 9.73% | -65.85% | -48.95% | 15.26% | 36.56% | -101.02% | 1.71% | 53.28% | 6.52% | -8.17% | -59.63% | -1.98% | -25.03% | 5.11% | -20.39% | -27.51% | -374.55% | - |
| EBITDA | -25.67M | -26.86M | 0 | 0 | -41.49M | -24.02M | -16.61M | -2.83M | -9.55M | -15.71M | -15.98M | -33.87M | -36.17M | -33.39M | -21.15M | -20.62M | -16.45M | -17.36M | -14.42M | -11.38M | -2.4M |
| EBITDA Margin % | - | - | - | - | -4149.3% | -316.07% | -873.95% | - | - | - | - | - | -388.09% | -1342.5% | -1037.78% | - | - | - | - | - | - |
| EBITDA Growth % | 2.24% | - | - | 100% | -72.74% | -44.66% | -486.13% | 70.34% | 39.21% | 1.71% | 52.8% | 6.36% | -8.32% | -57.86% | -2.55% | -25.35% | 5.21% | -20.36% | -26.76% | -373.06% | - |
| D&A (Non-Cash Add-back) | 7.08M | 0 | 31.51M | 37.87M | 457K | 1.27M | 377K | 17.21M | 22.04M | 3K | 3K | 355K | 440K | 452K | 49K | 163K | 172K | 162K | 131K | 36K | 0 |
| EBIT | -32.46M | -26.86M | -30.88M | -37.34M | -31.95M | -19.59M | -16.77M | -17.21M | -28.78M | -23.04M | -15.99M | -37.83M | -35.5M | -74.82M | -34.34M | -11.48M | -11.99M | -18.38M | -14.37M | -10.96M | 0 |
| Net Interest Income | 2.76M | 1.41M | 632K | 525K | 317K | 6K | 26K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Interest Income | 2.76M | 1.41M | 632K | 525K | 317K | 6K | 26K | 118K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 180K | 448K | 0 |
| Interest Expense | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 118K | 266K | 462K | 3.51M | 760K | 1.11M | 807K | 33K | 0 | 5K | -5K | 0 | 0 | 0 |
| Other Income/Expense | 2.76M | 1.41M | 632K | 529K | 649K | 4.36M | 208K | 668K | 2.54M | -7.79M | 5.13M | -4.37M | 13.62M | -41.79M | -13.18M | 9.3M | 4.63M | -867K | 180K | 448K | 0 |
| Pretax Income | -32.46M | -26.86M | -30.88M | -37.34M | -41.3M | -20.94M | -16.77M | -19.37M | -29.05M | -23.5M | -17.68M | -38.59M | -36.61M | -75.63M | -34.38M | -11.48M | -11.99M | -18.39M | -14.37M | -10.96M | -2.4M |
| Pretax Margin % | - | - | - | - | -4130.1% | -275.47% | -882.84% | - | - | - | - | - | -392.81% | -3040.85% | -1686.8% | - | - | - | - | - | - |
| Income Tax | 0 | 0 | 0 | 0 | 0 | -237K | -17K | -81K | -1.38M | 253K | 243K | 365K | -15.45M | 1.05M | -1.05M | 0 | 0 | 0 | 0 | 25K | 0 |
| Effective Tax Rate % | 0% | 0% | 0% | 0% | 0% | 1.13% | 0.1% | 0.42% | 4.74% | -1.08% | -1.37% | -0.95% | 42.2% | -1.39% | 3.06% | 0% | 0% | 0% | 0% | -0.23% | 0% |
| Net Income | -32.46M | -26.86M | -30.88M | -37.34M | -41.3M | -20.7M | -16.76M | -19.29M | -27.67M | -23.75M | -23.55M | -63.9M | -36.61M | -76.68M | -34.97M | -11.48M | -11.99M | -18.39M | -14.37M | -10.99M | -2.4M |
| Net Margin % | - | - | - | - | -4130.1% | -272.36% | -881.95% | - | - | - | - | - | -392.81% | -3083.15% | -1715.85% | - | - | - | - | - | - |
| Net Income Growth % | -23.62% | 13.01% | 17.3% | 9.59% | -99.53% | -23.52% | 13.14% | 30.28% | -16.49% | -0.87% | 63.15% | -74.57% | 52.26% | -119.27% | -204.48% | 4.24% | 34.77% | -27.93% | -30.78% | -356.96% | - |
| Net Income (Continuing) | -32.46M | -26.86M | -30.88M | -37.34M | -41.3M | -20.7M | -16.76M | -19.29M | -27.67M | -23.75M | -17.68M | -38.96M | -36.61M | -76.68M | -33.33M | -11.48M | -11.99M | -18.39M | -14.37M | -10.99M | -2.4M |
| Discontinued Operations | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -20.4M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| EPS (Diluted) | -0.17 | -0.25 | -0.50 | -1.34 | -2.13 | -1.34 | -2.11 | -10.92 | -157.72 | -521.91 | -933.13 | -411.55 | -1022.20 | -25500.26 | -1866.21 | -1053.77 | -2177.38 | -3783.33 | -3486.90 | -2893.63 | -636.24 |
| EPS Growth % | 35.44% | 50% | 62.69% | 37.09% | -58.96% | 36.49% | 80.68% | 93.08% | 69.78% | 44.07% | -126.74% | 59.74% | 95.99% | -1266.42% | -77.1% | 51.6% | 42.45% | -8.5% | -20.5% | -354.8% | - |
| EPS (Basic) | - | -0.25 | -0.50 | -1.34 | -2.13 | -1.34 | -2.11 | -10.92 | -157.72 | -521.91 | -933.13 | -411.55 | -1022.20 | -25500.26 | -1866.21 | -1053.77 | -2177.38 | -3783.33 | -3486.90 | -2893.63 | -636.24 |
| Diluted Shares Outstanding | 189.18M | 109.05M | 61.2M | 27.78M | 19.4M | 15.48M | 7.98M | 2.56M | 261.54K | 46.81K | 18.95K | 20K | 35.81K | 27.05K | 18.74K | 10.9K | 5.51K | 4.86K | 4.12K | 3.8K | 3.78K |
| Basic Shares Outstanding | 189.18M | 109.05M | 61.2M | 27.78M | 19.39M | 15.48M | 7.94M | 1.77M | 175K | 45K | 18K | 20K | 35.81K | 27.05K | 18.74K | 10.9K | 5.51K | 4.86K | 4.12K | 3.8K | 3.78K |
| Dividend Payout Ratio | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
Quick answers to the most common questions about buying SLS stock.
For fiscal year 2025, SELLAS Life Sciences Group, Inc. (SLS) reported total revenue of $0.0M.
SELLAS Life Sciences Group, Inc. (SLS) reported a net loss of $26.9M for the fiscal year ending 2025.
Key Metrics
Top Statement Risk
Cash burn sustainability
Metrics are mathematically derived from official filings.
Revenue Absent, Losses Deepen
SELLAS has no revenue, with net losses widening from $7.5M in 2024Q2 to $9.6M in 2026Q2, according to recent financial statements, indicating a decelerating trajectory as expenses outpace any potential progress.
The company remains pre-revenue, with zero gross profit across all quarters, so growth is not measured by top-line expansion but by the pace of cash consumption. Net losses have increased by roughly 28% year-over-year, suggesting that investment in R&D and SG&A is accelerating without corresponding revenue generation. This pattern implies a reliance on external funding to sustain operations, and investors should monitor the burn rate relative to available capital.
R&D and SG&A Escalation
R&D spending rose from $5.2M in 2024Q2 to $6.3M in 2026Q2, while SG&A grew from $2.4M to $4.4M, as per reported figures, indicating aggressive investment in clinical development and organizational expansion.
The sequential increase in R&D, particularly the jump from $5.1M in 2026Q1 to $6.3M in 2026Q2, suggests a ramp-up in clinical trial activities, possibly for late-stage programs. SG&A has nearly doubled over the two-year period, which may reflect increased corporate infrastructure and pre-commercialization efforts. However, without revenue, these cost increases directly widen operating losses, and the lack of cost containment raises questions about management's expense discipline relative to the company's cash runway.
Losses Outpace SBC Impact
Stock-based compensation (SBC) averaged around $0.5M per quarter, but net losses exceeded $6M, as reported in financial statements, indicating that non-cash charges are not the primary driver of reported losses.
SBC represents a small fraction of total net losses, suggesting that cash operating expenses, particularly R&D and SG&A, are the main contributors to the bottom line. The EPS dilution from SBC is minimal, but the consistent negative EPS, improving from -$0.21 in 2024Q1 to -$0.05 in 2026Q2, is partly due to share count increases rather than operational improvement. Investors should note that the narrowing per-share loss may overstate progress if share dilution is significant, warranting a closer look at the weighted average share count.
2025Q1 Marks Cost Shift
In 2025Q1, R&D dropped to $3.2M from $5.1M in 2024Q1, while SG&A fell to $2.9M from $4.5M, based on reported data, signaling a deliberate cost reduction that narrowed operating losses.
The sharp reduction in both R&D and SG&A in early 2025 appears to be a strategic pivot to extend cash runway, possibly by prioritizing certain programs or renegotiating contracts. This inflection led to a temporary stabilization of quarterly losses around $6-7M, but subsequent quarters show a renewed increase in spending, particularly in R&D, suggesting a shift back to investment mode. The lasting impact is a volatile expense profile that complicates forecasting and underscores the company's dependence on capital markets.
Cash Burn Without Catalyst
Despite escalating R&D, SELLAS has no revenue and widening losses, with net burn reaching $9.6M in 2026Q2, as per financial statements, raising doubts about the sustainability of its cash runway.
Short-sellers would highlight that the company's increasing investment has not translated into any top-line progress, and the lack of disclosed partnerships or licensing deals may indicate that clinical milestones are not imminent. The rising SG&A alongside R&D suggests that the company is building infrastructure for a commercial launch that may be premature given the early-stage pipeline. Without a clear path to revenue or a significant partnership, the company's valuation relies heavily on clinical trial outcomes, and any delay or failure could severely impair its financial position.