12.25
price down icon0.24%   -0.03
 
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Korro Bio Inc stock is traded at $12.25, with a volume of 169.77K. It is down -0.24% in the last 24 hours and up +10.86% over the past month. Korro Bio Inc is a biopharmaceutical company with a mission to discover, develop, and commercialize a new class of genetic medicines based on editing RNA, enabling the treatment of both rare and highly prevalent diseases. It is generating a portfolio of differentiated programs that are designed to harness the body's natural RNA editing process to effect a precise yet transient single base edit. By editing RNA instead of DNA, Korro Bio is expanding the reach of genetic medicines by delivering additional precision and tunability. The company operates and manages its business as one reportable segment and one operating segment, which is the business of discovering, developing and commercializing therapies derived from or incorporating its RNA-editing technology.
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Previous Close:
$12.28
Open:
$11.86
24h Volume:
169.77K
Relative Volume:
0.96
Market Cap:
$176.68M
Revenue:
$6.39M
Net Income/Loss:
$-117.26M
P/E Ratio:
-0.9815
EPS:
-12.4807
Net Cash Flow:
$-79.08M
1W Performance:
-15.87%
1M Performance:
+10.86%
6M Performance:
+39.52%
1Y Performance:
-11.42%
1-Day Range:
Value
$11.50
$12.36
1-Week Range:
Value
$11.50
$14.46
52-Week Range:
Value
$5.2044
$55.89

Korro Bio Inc Stock (KRRO) Company Profile

Name
Name
Korro Bio Inc
Name
Phone
617-468-1999
Name
Address
60 FIRST STREET, CAMBRIDGE
Name
Employee
49
Name
Twitter
Name
Next Earnings Date
2026-08-11
Name
Latest SEC Filings
Name
KRRO's Discussions on Twitter

Compare KRRO vs VRTX, REGN, ARGX, RVMD, ALNY

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
KRRO icon
KRRO
Korro Bio Inc
12.25 177.11M 6.39M -117.26M -79.08M -12.48
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
485.65 123.36B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
676.69 71.18B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
860.55 53.68B 4.16B 1.29B 734.26M 19.58
RVMD icon
RVMD
Revolution Medicines Inc
186.16 38.09B 742.00K -1.37B -1.07B -7.0731
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
267.47 37.80B 4.29B 577.22M 641.34M 4.2086

Korro Bio Inc Stock (KRRO) Upgrades & Downgrades

Date Action Analyst Rating Change
Mar-13-26 Upgrade Raymond James Mkt Perform → Outperform
Feb-17-26 Upgrade William Blair Mkt Perform → Outperform
Jan-29-26 Upgrade Chardan Capital Markets Neutral → Buy
Jan-29-26 Upgrade H.C. Wainwright Neutral → Buy
Jan-29-26 Upgrade Piper Sandler Neutral → Overweight
Jan-28-26 Upgrade Cantor Fitzgerald Neutral → Overweight
Jan-28-26 Upgrade Oppenheimer Perform → Outperform
Nov-13-25 Downgrade Cantor Fitzgerald Overweight → Neutral
Nov-13-25 Downgrade Chardan Capital Markets Buy → Neutral
Nov-13-25 Downgrade H.C. Wainwright Buy → Neutral
Nov-13-25 Downgrade Piper Sandler Overweight → Neutral
Nov-13-25 Downgrade RBC Capital Mkts Outperform → Sector Perform
Nov-13-25 Downgrade Raymond James Strong Buy → Mkt Perform
Nov-13-25 Downgrade William Blair Outperform → Mkt Perform
Apr-29-25 Initiated Cantor Fitzgerald Overweight
Apr-16-25 Initiated Chardan Capital Markets Buy
Jan-10-25 Initiated Oppenheimer Outperform
Oct-21-24 Initiated Raymond James Strong Buy
Aug-14-24 Initiated William Blair Outperform
Mar-28-24 Reiterated H.C. Wainwright Buy
Feb-27-24 Initiated BMO Capital Markets Outperform
Dec-04-23 Initiated H.C. Wainwright Buy
Nov-29-23 Initiated RBC Capital Mkts Outperform
Nov-10-23 Initiated Piper Sandler Overweight
Feb-15-23 Downgrade Chardan Capital Markets Buy → Neutral
Feb-13-23 Downgrade Cowen Outperform → Market Perform
Sep-22-21 Downgrade Goldman Buy → Neutral
Jan-27-21 Upgrade JP Morgan Neutral → Overweight
Dec-22-20 Initiated B. Riley Securities Buy
Jul-14-20 Initiated Oppenheimer Outperform
May-18-20 Downgrade JP Morgan Overweight → Neutral
Oct-28-19 Initiated Cowen Outperform
Oct-28-19 Initiated Goldman Buy
Oct-28-19 Initiated JP Morgan Overweight
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Korro Bio Inc Stock (KRRO) Latest News

pulisher
Jul 17, 2026

Form 4 Korro Bio Inc For: 17 July By Investing.com - Investing.com Nigeria

Jul 17, 2026
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Jul 17, 2026

Korro Bio, Inc. (KRRO) awards 7,500 RSUs to Chief Operating Officer - Stock Titan

Jul 17, 2026
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Jul 10, 2026

Korro Bio Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4) - The Manila Times

Jul 10, 2026
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Jul 08, 2026

Price to earnings forward of Korro Bio, Inc. – NASDAQ:KRRO - TradingView

Jul 08, 2026
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Jul 08, 2026

Price to sales forward of Korro Bio, Inc. – NASDAQ:KRRO - TradingView

Jul 08, 2026
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Jul 08, 2026

Korro Bio, Inc. (KRRO) upgraded to buy: What does it mean for the stock? - MSN

Jul 08, 2026
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Jul 08, 2026

Korro Bio, Inc. (KRRO) Upgraded to Buy: What Does It Mean for the Stock? - Yahoo Finance

Jul 08, 2026
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Jul 07, 2026

KRRO Q1 2026 Earnings: EPS Beat Driven by Cost Control and Clinical ProgressRevenue Report - dars.gov.et

Jul 07, 2026
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Jul 07, 2026

Korro Bio: Why Director Sales Temper a 'Strong Buy' Consensus - Kavout | AI

Jul 07, 2026
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Jul 07, 2026

Korro Bio director Formela sells $1.54m in shares - Investing.com

Jul 07, 2026
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Jul 07, 2026

Korro Bio director Formela sells $1.54m in shares By Investing.com - Investing.com South Africa

Jul 07, 2026
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Jul 07, 2026

Form 4 Korro Bio Inc For: 7 July By Investing.com - Investing.com Canada

Jul 07, 2026
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Jul 06, 2026

Price to book forward of Korro Bio, Inc. – NASDAQ:KRRO - TradingView

Jul 06, 2026
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Jul 06, 2026

Form 144 Korro Bio For: 6 July By Investing.com - Investing.com Canada

Jul 06, 2026
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Jul 06, 2026

Korro Bio, Inc. (KRRO) soars 17.6%: Is further upside left in the stock? - MSN

Jul 06, 2026
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Jul 05, 2026

KRRO Q1 2026 Earnings: EPS Surpasses Estimates Amid Ongoing Clinical ProgressSlow Growth Warning - dars.gov.et

Jul 05, 2026
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Jul 03, 2026

KRROKorro Bio Inc Options - Finviz

Jul 03, 2026
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Jul 02, 2026

Form 144 Korro Bio For: 2 July By Investing.com - Investing.com India

Jul 02, 2026
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Jun 29, 2026

Korro Bio, Inc.(NasdaqCM: KRRO) added to Russell 2500 Growth Benchmark - marketscreener.com

Jun 29, 2026
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Jun 29, 2026

Korro Bio, Inc.(NasdaqCM: KRRO) added to Russell Microcap Growth Benchmark Index - marketscreener.com

Jun 29, 2026
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Jun 29, 2026

Korro Bio, Inc.(NasdaqCM: KRRO) added to Russell 2000 Growth Benchmark - marketscreener.com

Jun 29, 2026
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Jun 29, 2026

Korro Bio, Inc.(NasdaqCM: KRRO) added to Russell 3000E Growth Benchmark - marketscreener.com

Jun 29, 2026
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Jun 28, 2026

Korro Bio, Inc.(NasdaqCM: KRRO) added to Russell Small Cap Comp Growth Benchmark - marketscreener.com

Jun 28, 2026
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Jun 26, 2026

Korro Bio, Inc. Actuals & Estimates (NASDAQ:KRRO) - TradingView

Jun 26, 2026
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Jun 25, 2026

KRRO Forecast — Price Target — Prediction for 2027 - TradingView

Jun 25, 2026
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Jun 25, 2026

Form 4 Korro Bio Inc For: 24 June By Investing.com - Investing.com Nigeria

Jun 25, 2026
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Jun 25, 2026

Korro Bio Insider Sold Shares Worth $2,458,582, According to a Recent SEC Filing - marketscreener.com

Jun 25, 2026
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Jun 25, 2026

Korro Bio director Jean Francois Formela sells $2.45m in shares - Investing.com UK

Jun 25, 2026
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Jun 24, 2026

Korro Bio (KRRO) director-affiliated Atlas funds sell 171K shares under 10b5-1 plan - Stock Titan

Jun 24, 2026
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Jun 24, 2026

Form 144 Korro Bio For: 24 June By Investing.com - Investing.com India

Jun 24, 2026
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Jun 24, 2026

Atlas Venture (KRRO) sells 101,579 shares on 06/23/2026, multiple Form 144 entries - Stock Titan

Jun 24, 2026
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Jun 24, 2026

Atlas Venture sells KRRO common stock in late May–June 2026 (KRRO) - Stock Titan

Jun 24, 2026
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Jun 24, 2026

Korro Bio (KRRO) Notches Modest Gain as Shares Consolidate Near Key ResistanceGap Down Bounce Plays - dars.gov.et

Jun 24, 2026
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Jun 23, 2026

Form 144 Korro Bio For: 23 June By Investing.com - Investing.com South Africa

Jun 23, 2026
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Jun 23, 2026

KRRO (NASDAQ: KRRO) selling holders report recent share sales - Stock Titan

Jun 23, 2026
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Jun 23, 2026

Korro Bio Inc. (KRRO) Edges Lower Amid Consolidation PhaseUnusual Call Volume - dars.gov.et

Jun 23, 2026
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Jun 23, 2026

Form 144 Korro Bio For: 22 June By Investing.com - Investing.com Australia

Jun 23, 2026
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Jun 22, 2026

Atlas Venture sells KRRO (KRRO) stock — 2,441 and 419 shares reported - Stock Titan

Jun 22, 2026
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Jun 22, 2026

KRRO proposes sale of 3,661 shares on Nasdaq (NASDAQ: KRRO); Atlas Venture recent disposals - Stock Titan

Jun 22, 2026
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Jun 19, 2026

Korro Bio, Inc. (KRRO) Soars 17.6%: Is Further Upside Left in the Stock? - Yahoo Finance

Jun 19, 2026
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Jun 18, 2026

Korro Bio COO Chappell sells $34,309 in company stock By Investing.com - Investing.com India

Jun 18, 2026

Korro Bio Inc Stock (KRRO) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Korro Bio Inc Stock (KRRO) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
FORMELA JEAN FRANCOIS
Director
Jul 06 '26
Sale
13.96
9,323
130,149
146,305
$108.32
price up icon 0.80%
$61.82
price down icon 2.11%
$34.51
price up icon 1.71%
$58.18
price down icon 0.60%
ONC ONC
$312.02
price down icon 1.70%
$267.47
price down icon 5.54%
Cap:     |  Volume (24h):