Filing Flows

Filing Flows › Korro Bio (KRRO) › Q4 2025 › vs Q3 2025

Korro Bio (KRRO) Q4 2025 vs Q3 2025 (quarter over quarter)

Korro Bio's revenue rose $202K (+19%) from $1.1M in Q3 2025 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 Q3 2025, the increases inside each band.

Korro Bio: what changed, Q4 2025 vs Q3 2025Korro Bio: what changed, Q4 2025 vs Q3 2025Costs & expenses$32.0MNet loss$32.0MOperating cash sources$32.0MNet loss absorbed$32.0MWorking capital & other$31.8MOperating costs$31.4MResearch & development−$2.8MIncome tax$636KDepreciation−$551KCash used in operations$523K

Every line

LineQ4 2025Q3 2025Change%
Revenue$1.3M$1.1M$202K+19%
Other income, net$990K$1.2M−$186K-16%
Net loss$50.0M$18.1M$32.0M+177%
Costs & expenses$52.3M$20.3M$32.0M+157%
Operating costs$51.7M$20.3M$31.4M+154%
Income tax$636K$0$636K—
Research & development$11.0M$13.8M−$2.8M-21%
General & admin$6.2M$6.5M−$317K-5%
Operating cash sources$50.0M$18.1M$32.0M+177%
Depreciation$649K$1.2M−$551K-46%
Share-based compensation$2.1M$1.8M$246K+13%
Working capital & other$29.6M−$2.1M$31.8M—
Cash used in operations$17.7M$17.2M$523K+3%
Net loss absorbed$50.0M$18.1M$32.0M+177%

Questions

How much did Korro Bio's revenue grow quarter over quarter in Q4 2025?

Korro Bio's revenue rose $202K (+19%) from $1.1M in Q3 2025 to $1.3M in Q4 2025.

Q4 2025 results → · Compare in the interactive Sankey →