Korro Bio, Inc. (KRRO)
Korro Bio, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.
Korro Bio, Inc. (KRRO) is a Biotechnology company based in US with a market capitalization of $105.9M. Free cash flow was negative at -$79.1M. This page tracks KRRO's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.
US · 112 employees · IPO Oct 3, 2019
Valuation
Valuation & price
$10.18as of May 17, 2026· -80.2% vs 52w high
—
P/E ratio
Latest-FY diluted EPS
2.06
P/B ratio
Market cap ÷ book equity
—
Dividend yield
Price — last 12 months
Fundamentals
Key fundamentals
$105.9M
Market cap
—
Revenue growth (YoY)
33.0%
Gross margin
-$79.1M
Free cash flow (USD)
-$31.7M
Net debt
Net cash position
5.3%
Share dilution
0/5
Graham criteria passed
Defensive-investor screen
Healthcare
Sector
Trajectory
Long-term trends
Revenue by year
2017 → 2025
Free cash flow by year
2017 → 2025
Gross margin by year
2021 → 2025
Value screen
Graham defensive-investor tests
0
Insider buys · 90 days
8
Insider sells · 90 days
Earnings
Last report: 10-Q filed May 7, 2026
Next expected: not yet scheduled
On the tape
Recent SEC & insider activity
- Insider sellJul 7, 2026Filing
Insider Sell $1.5M · 10b5-1 PlanFORMELA JEAN FRANCOIS · Director · $1.5M
- Insider sellJun 24, 2026Filing
Insider Sell $2.5M · 10b5-1 PlanFORMELA JEAN FRANCOIS · Director · $2.5M
- Insider sellJun 17, 2026Filing
Insider Sell $37KDolan Oliver · Senior Vice President, Finance · $36.6K
- Insider sellJun 17, 2026Filing
Insider Sell $72KCerio Jeffrey · General Counsel · $71.6K
- Insider sellJun 17, 2026Filing
Insider Sell $37KVincent Loic A · Chief Scientific Officer · $37K
- Insider sellJun 17, 2026Filing
Insider Sell $34KChappell Todd · Chief Operating Officer · $34.3K
- 8-K eventJun 11, 2026Filing
Annual Meeting Results
- Insider sellJun 2, 2026Filing
Insider Sell $197KAiyar Ram · Director, President and CEO · $196.7K
- Insider sellJun 1, 2026Filing
Insider Sell $40K · 10b5-1 PlanFORMELA JEAN FRANCOIS · Director · $39.9K
- 8-K eventMay 19, 2026Filing
New Therapeutic Candidate Added
Questions
Frequently asked questions
What is Korro Bio, Inc.'s market cap?
Korro Bio, Inc. (KRRO) has a market capitalization of $105.9M.
What is KRRO's P/E ratio?
A meaningful P/E ratio is not available for KRRO — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.
What is KRRO's price-to-book (P/B) ratio?
KRRO trades at 2.06 times book value per share.
Are insiders buying KRRO stock?
SEC Form 4 filings show no open-market insider buys at Korro Bio, Inc. in the last 90 days (8 sells).
Same arena
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Timeline
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Filing Analyzer
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News
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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.