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Side-by-side financial comparison of Altimmune, Inc. (ALT) and SELLAS Life Sciences Group, Inc. (SLS). Click either name above to swap in a different company.
SELLAS Life Sciences Group, Inc. is the larger business by last-quarter revenue ($79.0K vs $26.0K, roughly 3.0× Altimmune, Inc.).
Altimmune, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative immunotherapies, vaccines, and peptide-based therapies. Its pipeline covers infectious disease prevention, liver disease treatments, and metabolic disorder therapies, serving global biopharmaceutical and healthcare markets while advancing candidates through clinical trials.
SELLAS Life Sciences Group, Inc. is a late-stage clinical biopharmaceutical company focused on developing innovative cancer immunotherapies for patients with unmet medical needs. Its core pipeline targets both hematological malignancies and solid tumors, with lead product candidates addressing indications like acute myeloid leukemia, primarily serving markets across North America.
ALT vs SLS — Head-to-Head
Income Statement — Q4 FY2025 vs Q1 FY2024
| Metric | | |
|---|---|---|
| Revenue | $26.0K | $79.0K |
| Net Profit | — | $-9.6M |
| Gross Margin | — | — |
| Operating Margin | — | -12208.9% |
| Net Margin | — | -12108.9% |
| Revenue YoY | 420.0% | — |
| Net Profit YoY | -18.0% | 13.8% |
| EPS (diluted) | — | $-0.21 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $26.0K | — | ||
| Q3 25 | $5.0K | — | ||
| Q2 25 | $5.0K | — | ||
| Q1 25 | $5.0K | — | ||
| Q4 24 | $5.0K | — | ||
| Q3 24 | $5.0K | — | ||
| Q2 24 | $5.0K | — | ||
| Q1 24 | $5.0K | $79.0K |
| Q4 25 | — | — | ||
| Q3 25 | $-19.0M | — | ||
| Q2 25 | $-22.1M | — | ||
| Q1 25 | $-19.6M | — | ||
| Q4 24 | — | — | ||
| Q3 24 | $-22.8M | — | ||
| Q2 24 | $-24.6M | — | ||
| Q1 24 | $-24.4M | $-9.6M |
| Q4 25 | — | — | ||
| Q3 25 | -417180.0% | — | ||
| Q2 25 | -458440.0% | — | ||
| Q1 25 | -436300.0% | — | ||
| Q4 24 | — | — | ||
| Q3 24 | -495340.0% | — | ||
| Q2 24 | -534900.0% | — | ||
| Q1 24 | -535880.0% | -12208.9% |
| Q4 25 | — | — | ||
| Q3 25 | -380280.0% | — | ||
| Q2 25 | -442920.0% | — | ||
| Q1 25 | -391500.0% | — | ||
| Q4 24 | — | — | ||
| Q3 24 | -456900.0% | — | ||
| Q2 24 | -492800.0% | — | ||
| Q1 24 | -487880.0% | -12108.9% |
| Q4 25 | — | — | ||
| Q3 25 | $-0.21 | — | ||
| Q2 25 | $-0.27 | — | ||
| Q1 25 | $-0.26 | — | ||
| Q4 24 | — | — | ||
| Q3 24 | $-0.32 | — | ||
| Q2 24 | $-0.35 | — | ||
| Q1 24 | $-0.34 | $-0.21 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $273.5M | $18.4M |
| Total DebtLower is stronger | $34.3M | — |
| Stockholders' EquityBook value | $224.9M | $9.7M |
| Total Assets | $279.9M | $24.4M |
| Debt / EquityLower = less leverage | 0.15× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $273.5M | — | ||
| Q3 25 | $210.8M | — | ||
| Q2 25 | $183.1M | — | ||
| Q1 25 | $149.8M | — | ||
| Q4 24 | $131.9M | — | ||
| Q3 24 | $139.4M | — | ||
| Q2 24 | $164.9M | — | ||
| Q1 24 | $182.0M | $18.4M |
| Q4 25 | $34.3M | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | $224.9M | — | ||
| Q3 25 | $185.6M | — | ||
| Q2 25 | $161.4M | — | ||
| Q1 25 | $142.2M | — | ||
| Q4 24 | $123.5M | — | ||
| Q3 24 | $133.4M | — | ||
| Q2 24 | $152.5M | — | ||
| Q1 24 | $172.9M | $9.7M |
| Q4 25 | $279.9M | — | ||
| Q3 25 | $218.4M | — | ||
| Q2 25 | $190.3M | — | ||
| Q1 25 | $157.3M | — | ||
| Q4 24 | $139.3M | — | ||
| Q3 24 | $147.9M | — | ||
| Q2 24 | $173.3M | — | ||
| Q1 24 | $188.4M | $24.4M |
| Q4 25 | 0.15× | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-67.5M | $-10.8M |
| Free Cash FlowOCF − Capex | $-67.5M | — |
| FCF MarginFCF / Revenue | -259792.3% | — |
| Capex IntensityCapex / Revenue | 42.3% | — |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-67.5M | — | ||
| Q3 25 | $-11.9M | — | ||
| Q2 25 | $-19.4M | — | ||
| Q1 25 | $-16.8M | — | ||
| Q4 24 | $-79.8M | — | ||
| Q3 24 | $-27.1M | — | ||
| Q2 24 | $-18.1M | — | ||
| Q1 24 | $-16.4M | $-10.8M |
| Q4 25 | $-67.5M | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | -259792.3% | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | 42.3% | — | ||
| Q3 25 | 0.0% | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
