Korro Bio, Inc. (KRRO)
NASDAQ: KRRO · Real-Time Price · USD
11.32
+1.04 (10.12%)
At close: Mar 31, 2026, 4:00 PM EDT
11.10
-0.22 (-1.94%)
After-hours: Mar 31, 2026, 7:58 PM EDT

Company Description

Korro Bio, Inc., a biopharmaceutical company, engages in the discovering, developing, and commercializing of genetic medicines based on editing RNA for the treatment of rare and highly prevalent diseases in the United States.

The company’s lead product candidate is KRRO-121 for the treatment for hyperammonemia. It uses its RNA editing platform, Oligonucleotide Promoted Editing of RNA to generate differentiated RNA editing product candidates.

The company is also developing programs for Parkinson’s disease, Amyotrophic lateral sclerosis, severe drug-associated anesthetics, and other pain indications.

Korro Bio, Inc. has a collaboration agreement with Novo Nordisk A/S to treat cardiometabolic diseases.

Korro Bio, Inc. was founded in 2018 and is based in Cambridge, Massachusetts.

Korro Bio, Inc.
Korro Bio logo
CountryUnited States
Founded2014
IPO DateOct 3, 2019
IndustryBiotechnology
SectorHealthcare
Employees58
CEORam Aiyar

Contact Details

Address:
60 First Street, 2nd Floor
Cambridge, Massachusetts 02141
United States
Phone617 468 1999
Websitekorrobio.com

Stock Details

Ticker SymbolKRRO
ExchangeNASDAQ
Fiscal YearJanuary - December
Reporting CurrencyUSD
IPO Price$14.00
CIK Code1703647
CUSIP Number500946108
ISIN NumberUS5009461089
Employer ID47-2324450
SIC Code2834

Key Executives

NamePosition
Jeffrey M. Cerio J.D., Pharm.D.Senior Vice President, General Counsel and Corporate Secretary
Dr. Andrew Fraley Ph.D.Co-Founder and Advisor
Dr. Joshua Rosenthal Ph.D.Co-Founder and Advisor
Todd Chappell M.B.A.Chief Operating Officer
Oliver DolanSenior Vice President of Finance and Principal Accounting Officer
Dr. Loic Vincent Ph.D.Chief Scientific Officer
Stephanie EngelsChief People Officer
Dr. Gaozhong Zhu Ph.D.SVice President of Chemistry, Manufacturing and Controls and Technical Operations

Latest SEC Filings

DateTypeTitle
Mar 27, 2026SCHEDULE 13G/AFiling
Mar 20, 2026EFFECTNotice of Effectiveness
Mar 20, 2026424B5Filing
Mar 17, 2026SCHEDULE 13GFiling
Mar 13, 2026S-3Registration statement under Securities Act of 1933
Mar 12, 2026SCHEDULE 13D/AFiling
Mar 12, 202610-KAnnual Report
Mar 12, 20268-KCurrent Report
Mar 11, 2026SCHEDULE 13GFiling
Mar 9, 20268-KCurrent Report