Filing Flows › Korro Bio (KRRO) › Q4 2025 › vs Q4 2024
Korro Bio (KRRO) Q4 2025 vs Q4 2024 (year over year)
Korro Bio's revenue fell $979K (-43%) from $2.3M in Q4 2024 to $1.3M in Q4 2025.
Korro Bio, Q4 2025: revenue $1.3M (-43% year over year), net loss $50.0M, operating cash flow −$17.7M. The chart draws each line against Q4 2024, the increases inside each band.
Every line
| Line | Q4 2025 | Q4 2024 | Change | % |
|---|---|---|---|---|
| Revenue | $1.3M | $2.3M | −$979K | -43% |
| Other income, net | $990K | $1.9M | −$954K | -49% |
| Net loss | $50.0M | $21.2M | $28.8M | +136% |
| Costs & expenses | $52.3M | $25.4M | $26.9M | +106% |
| Operating costs | $51.7M | $25.3M | $26.4M | +104% |
| Income tax | $636K | $103K | $533K | +517% |
| Research & development | $11.0M | $17.0M | −$6.0M | -35% |
| General & admin | $6.2M | $8.3M | −$2.2M | -26% |
| Operating cash sources | $50.0M | $21.2M | $28.8M | +136% |
| Depreciation | $649K | $1.3M | −$604K | -48% |
| Share-based compensation | $2.1M | $1.4M | $714K | +53% |
| Working capital & other | $29.6M | $11.1M | $18.5M | +167% |
| Cash used in operations | $17.7M | $7.5M | $10.2M | +136% |
| Net loss absorbed | $50.0M | $21.2M | $28.8M | +136% |
Questions
How much did Korro Bio's revenue grow year over year in Q4 2025?
Korro Bio's revenue fell $979K (-43%) from $2.3M in Q4 2024 to $1.3M in Q4 2025.