NASDAQ:KRRO
Korro Bio, Inc.
Korro Bio, Inc.'s revenue grew 181.5% in fiscal 2025 to $6.4M while operating margin rose to −1906.4%. Free cash flow was −$79.1M, −1237.2% of revenue, and the diluted share count rose 5.3%.Summary generated from Korro Bio, Inc.'s SEC filings. Latest annual report filed Mar 12, 2026.
Key statistics
Fiscal 2025 from SEC filings. MethodologyRevenue (FY25)$6.4M
Revenue growth+181.5%
Revenue, 5-yr CAGR−29.6%
Gross marginn/a
Operating margin−1906.4%
Net margin−1834.5%
ROICn/a
Return on equity−110.7%
Debt / equityn/a
Free cash flow−$79.1M
FCF margin−1237.2%
Share count change+5.3%
Financials
| Item | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | 14 | 0 | 0 | 2 | 6 |
| Operating income | −84 | −59 | −85 | −92 | −122 |
| Net income | −85 | −58 | −81 | −84 | −117 |
| Free cash flow | −79 | −59 | −75 | −78 | −79 |
Recent filings
- 8-KOther events
Oct 5, 2026 - 4Insider transaction report
Sep 15, 2026 - 4Insider transaction report
Sep 14, 2026 - 8-KOther events
Aug 19, 2026 - 10-QQuarterly report for the period ended Jun 30, 2026
Aug 6, 2026 - 8-KEntry into a material agreement
Aug 6, 2026 - 8-KResults of a shareholder vote
Jun 11, 2026 - 8-KOther events
May 19, 2026