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Korro Bio, Inc. (NASDAQ:KRRO)

US · Delayed Price · Currency is USD
10.36-0.13 (-1.24%)
 
Market Cap103.12M-77.5%
Revenue (ttm)2.38M-62.1%
Net Income-106.64M-16.7%
EPS-10.01-2.7%
Shares Out9.95M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume19,598.474
Open10.36
Previous Close10.49
Day's Range10.18 - 10.48
52-Week Range5.20 - 55.89
Beta2.36
AnalystsBuy
Price Target15.00(+44.79%)
Earnings DateNov 11, 2026
-0.76% (1D)
No price history available.
Insider Score
––Not scored
KRRO Insider Score

Insiders filed in the last 90 days, but none of those trades qualified for scoring — round-trip buys and filings whose price is far off the market are excluded.

About KRRO

Korro Bio, Inc., a biopharmaceutical firm based in Cambridge, Massachusetts, is dedicated to exploring, advancing, and bringing to market genetic therapeutics. These treatments are formulated through RNA editing technology, aiming to address a wide array of medical conditions, encompassing both uncommon and widespread diseases.

Address
60 First Street, Cambridge, MA, 02141, US
Market Cap
103 million
Employees
57
Industrial Classification
Biotechnology

What Are Insiders Doing?

Open-market buy / sell balanceNet Selling
Sold
$5.23M
Bought
$78.81K

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

1 Day
-1.53%
5 Days
+6.39%
1 Month
-20.11%
6 Months
-21.02%
1 Year
-77.45%

$KRRO stock is featured in our Insider Score Rankings, and Insider Trades datasets.

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Recently reported changes in KRRO holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by KRRO's directors and management

Net Shares Purchased by Insiders−200k−100k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

KRRO Estimated quarterly lobbying spending

Source: U.S. Senate LDA

U.S. Patents

New KRRO patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to KRRO from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in KRRO

ETFEst. Holding Size
IWMiShares Russell 2000 ETF$3.07M
VTIVanguard Morningstar Total Stock Market ETF$2.44M
VXFVanguard Extended Market ETF$879.54K
VTWOVanguard Russell 2000 ETF$799.88K
LFSCF/M Emerald Life Sciences Innovation ETF$676.02K
IWCiShares Micro-Cap ETF$367.21K

Estimated from each fund’s disclosed top holdings × AUM

KRRO Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

Members only

The live Insider Score for KRRO is included with Insider Access.

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Bull Case vs Bear Case

AI-generated from KRRO’s recent data — informational, not investment advice

Generating analysis…

Insider Score

Our 0–100 Insider Score and the signals behind it.

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The live Insider Score and its full factor breakdown are included with Insider Access.

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Recent Insider Activity

Buys
2
Sells
24
Buy Value
$78.81K
Distinct Buyers
1

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.