0000950170-24-059498.txt : 20240514 0000950170-24-059498.hdr.sgml : 20240514 20240514160312 ACCESSION NUMBER: 0000950170-24-059498 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 11 CONFORMED PERIOD OF REPORT: 20240513 ITEM INFORMATION: Other Events FILED AS OF DATE: 20240514 DATE AS OF CHANGE: 20240514 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Korro Bio, Inc. CENTRAL INDEX KEY: 0001703647 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 472324450 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-39062 FILM NUMBER: 24944138 BUSINESS ADDRESS: STREET 1: ONE KENDALL SQUARE. BUILDING 600-700 STREET 2: SUITE 6-401 CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-468-1999 MAIL ADDRESS: STREET 1: ONE KENDALL SQUARE. BUILDING 600-700 STREET 2: SUITE 6-401 CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Frequency Therapeutics, Inc. DATE OF NAME CHANGE: 20170412 8-K 1 krro-20240513.htm 8-K 8-K
false0001703647NASDAQ00017036472024-05-132024-05-13

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 13, 2024

 

Korro Bio, Inc.

(Exact name of registrant as specified in its charter)

 

 

Delaware

001-39062

47-2324450

(State or other jurisdiction of

incorporation)

(Commission

File Number)

(IRS Employer
Identification No.)

One Kendall Square, Building 600-700, Suite 6-401

Cambridge, MA

 

02139

(Address of principal executive offices)

 

(Zip Code)

 

Registrant’s telephone number, including area code: (617) 468-1999

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

 

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

 

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

 

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading Symbol(s)

 

Name of each exchange on which registered

Common stock, par value $0.001 per share

 

KRRO

 

The Nasdaq Capital Market

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 

 

Item 8.01. Other Events.

Effective May 13, 2024, Dr. Kemi Olugemo, M.D., FAAN, joined Korro Bio, Inc., or Korro, as its Chief Medical Officer.

Prior to joining Korro, Dr. Olugemo, age 48, served as Vice President of Global Clinical Development at Ultragenyx Pharmaceutical Inc. (Nasdaq: RARE) from December 2022 to May 2024. Prior to this role, she served as Head of Clinical Development at Laronde, Inc. (now Sail Bio, Inc.) from November 2021 to December 2022 and as Executive Director of Clinical Development at Ionis Pharmaceuticals Inc. (Nasdaq: IONS) from November 2019 to November 2021. Dr. Olugemo also served as Senior Director of Global Therpeutic Area Head, Neuroscience at Parexel International Corp from June 2014 to November 2019. Dr. Olugemo led clinical development and operations for multiple global programs in rare and common diseases across an array of therapeutic areas, resulting in approvals in global markets. Dr. Olugemo holds an M.D. from the University of Maryland School of Medicine and completed her Neurology Residency there. Dr. Olugemo also completed an additional Fellowship in Neuroimmunology & Multiple Sclerosis at the Maryland Center for Multiple Sclerosis. She holds a B.S. in clinical laboratory science from the University of Massachusetts.

 

 

 

 

 

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

 

KORRO BIO, INC.

 

 

Date: May 14, 2024

By:

/s/ Ram Aiyar

 

 

 

 

Name:

Ram Aiyar

 

Title:

President and Chief Executive Officer

 

 

 EX-101.SCH 2 krro-20240513.xsd XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT 100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink Pre-commencement Issuer Tender Offer Pre Commencement Issuer Tender Offer Entity Address State Or Province Entity Address, State or Province Trading Symbol Trading Symbol Soliciting Material Soliciting Material Entity Address City Or Town Entity Address, City or Town Written Communications Written Communications Entity Central Index Key Entity Central Index Key Entity Tax Identification Number Entity Tax Identification Number Entity Registrant Name Entity Registrant Name Entity Address, Address Line Three Entity Ex Transition Period Entity Ex Transition Period Document Period End Date Document Period End Date Entity Address Postal Zip Code Entity Address, Postal Zip Code Entity Incorporation State Country Code Entity Incorporation, State or Country Code Local Phone Number Local Phone Number City Area Code City Area Code Pre-commencement Tender Offer Pre Commencement Tender Offer Cover [Abstract] Security Exchange Name Security Exchange Name Entity Emerging Growth Company Entity Emerging Growth Company Amendment Flag Amendment Flag Entity File Number Securities Act File Number Entity Address, Address Line Two Entity Address, Address Line Two Entity Address Address Line One Entity Address, Address Line One Title of 12(b) Security Title of 12(b) Security Document Type Document Type XML 4 R1.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Document and Entity Information
May 13, 2024
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 13, 2024
Entity Central Index Key 0001703647
Entity File Number 001-39062
Entity Registrant Name Korro Bio, Inc.
Entity Incorporation State Country Code DE
Entity Tax Identification Number 47-2324450
Entity Address Address Line One One Kendall Square
Entity Address, Address Line Two Building 600-700
Entity Address, Address Line Three Suite 6-401
Entity Address City Or Town Cambridge
Entity Address Postal Zip Code 02139
Entity Address State Or Province MA
City Area Code (617)
Local Phone Number 468-1999
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, par value $0.001 per share
Trading Symbol KRRO
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
EXCEL 5 Financial_Report.xlsx IDEA: XBRL DOCUMENT begin 644 Financial_Report.xlsx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end XML 6 Show.js IDEA: XBRL DOCUMENT // Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission. Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105. var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0); e.removeAttribute('id');a.parentNode.appendChild(e)}} if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'} e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}} XML 7 report.css IDEA: XBRL DOCUMENT /* Updated 2009-11-04 */ /* v2.2.0.24 */ /* DefRef Styles */ ..report table.authRefData{ background-color: #def; border: 2px solid #2F4497; font-size: 1em; position: absolute; } ..report table.authRefData a { display: block; font-weight: bold; } ..report table.authRefData p { margin-top: 0px; } ..report table.authRefData .hide { background-color: #2F4497; padding: 1px 3px 0px 0px; text-align: right; } ..report table.authRefData .hide a:hover { background-color: #2F4497; } ..report table.authRefData .body { height: 150px; overflow: auto; width: 400px; } ..report table.authRefData table{ font-size: 1em; } /* Report Styles */ ..pl a, .pl a:visited { color: black; text-decoration: none; } /* table */ ..report { background-color: white; border: 2px solid #acf; clear: both; color: black; font: normal 8pt Helvetica, Arial, san-serif; margin-bottom: 2em; } ..report hr { border: 1px solid #acf; } /* Top labels */ ..report th { background-color: #acf; color: black; font-weight: bold; text-align: center; } ..report th.void { background-color: transparent; color: #000000; font: bold 10pt Helvetica, Arial, san-serif; text-align: left; } ..report .pl { text-align: left; vertical-align: top; white-space: normal; width: 200px; white-space: normal; /* word-wrap: break-word; */ } ..report td.pl a.a { cursor: pointer; display: block; width: 200px; overflow: hidden; } ..report td.pl div.a { width: 200px; } ..report td.pl a:hover { background-color: #ffc; } /* Header rows... */ ..report tr.rh { background-color: #acf; color: black; font-weight: bold; } /* Calendars... */ ..report .rc { background-color: #f0f0f0; } /* Even rows... */ ..report .re, .report .reu { background-color: #def; } ..report .reu td { border-bottom: 1px solid black; } /* Odd rows... */ ..report .ro, .report .rou { background-color: white; } ..report .rou td { border-bottom: 1px solid black; } ..report .rou table td, .report .reu table td { border-bottom: 0px solid black; } /* styles for footnote marker */ ..report .fn { white-space: nowrap; } /* styles for numeric types */ ..report .num, .report .nump { text-align: right; white-space: nowrap; } ..report .nump { padding-left: 2em; } ..report .nump { padding: 0px 0.4em 0px 2em; } /* styles for text types */ ..report .text { text-align: left; white-space: normal; } ..report .text .big { margin-bottom: 1em; width: 17em; } ..report .text .more { display: none; } ..report .text .note { font-style: italic; font-weight: bold; } ..report .text .small { width: 10em; } ..report sup { font-style: italic; } ..report .outerFootnotes { font-size: 1em; } XML 9 FilingSummary.xml IDEA: XBRL DOCUMENT 3.24.1.1.u2 html 1 25 1 false 0 0 false 0 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 1 fact(s) appearing in ix:hidden were eligible for transformation: dei:SecurityExchangeName - krro-20240513.htm 8 krro-20240513.htm krro-20240513.xsd http://xbrl.sec.gov/dei/2023 false false JSON 12 MetaLinks.json IDEA: XBRL DOCUMENT { "version": "2.2", "instance": { "krro-20240513.htm": { "nsprefix": "krro", "nsuri": "http://korrobio.com/20240513", "dts": { "inline": { "local": [ "krro-20240513.htm" ] }, "schema": { "local": [ "krro-20240513.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd", "https://xbrl.sec.gov/country/2023/country-2023.xsd", "https://xbrl.sec.gov/dei/2023/dei-2023.xsd" ] } }, "keyStandard": 25, "keyCustom": 0, "axisStandard": 0, "axisCustom": 0, "memberStandard": 0, "memberCustom": 0, "hidden": { "total": 3, "http://xbrl.sec.gov/dei/2023": 3 }, "contextCount": 1, "entityCount": 1, "segmentCount": 0, "elementCount": 26, "unitCount": 0, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2023": 25 }, "report": { "R1": { "role": "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation", "longName": "100000 - Document - Document and Entity Information", "shortName": "Document and Entity Information", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "C_a50d4dc1-9a90-479b-8175-4b8b2148bab0", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "body", "html" ], "reportCount": 1, "baseRef": "krro-20240513.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_a50d4dc1-9a90-479b-8175-4b8b2148bab0", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "body", "html" ], "reportCount": 1, "baseRef": "krro-20240513.htm", "first": true, "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AmendmentFlag", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CityAreaCode", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentPeriodEndDate", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentType", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressAddressLine1", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine2": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressAddressLine2", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line Two", "label": "Entity Address, Address Line Two", "documentation": "Address Line 2 such as Street or Suite number" } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine3": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressAddressLine3", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Address, Address Line Three", "documentation": "Address Line 3 such as an Office Park" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressCityOrTown", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address City Or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address State Or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityCentralIndexKey", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r1" ] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r1" ] }, "dei_EntityExTransitionPeriod": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityExTransitionPeriod", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Ex Transition Period", "label": "Entity Ex Transition Period", "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards." } } }, "auth_ref": [ "r7" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityFileNumber", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Securities Act File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation State Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityRegistrantName", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r1" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r1" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "LocalPhoneNumber", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "dei_PreCommencementIssuerTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "PreCommencementIssuerTenderOffer", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Pre-commencement Issuer Tender Offer", "verboseLabel": "Pre Commencement Issuer Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act." } } }, "auth_ref": [ "r3" ] }, "dei_PreCommencementTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "PreCommencementTenderOffer", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Pre-commencement Tender Offer", "verboseLabel": "Pre Commencement Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act." } } }, "auth_ref": [ "r4" ] }, "dei_Security12bTitle": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "Security12bTitle", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Title of 12(b) Security", "label": "Title of 12(b) Security", "documentation": "Title of a 12(b) registered security." } } }, "auth_ref": [ "r0" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "SecurityExchangeName", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Security Exchange Name", "label": "Security Exchange Name", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r2" ] }, "dei_SolicitingMaterial": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "SolicitingMaterial", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "verboseLabel": "Soliciting Material", "label": "Soliciting Material", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act." } } }, "auth_ref": [ "r5" ] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "TradingSymbol", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Symbol", "label": "Trading Symbol", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "dei_WrittenCommunications": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "WrittenCommunications", "presentation": [ "http://korrobio.com/20240513/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Written Communications", "verboseLabel": "Written Communications", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act." } } }, "auth_ref": [ "r6" ] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "13e", "Subsection": "4c" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14d", "Subsection": "2b" }, "r5": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Section": "14a", "Number": "240", "Subsection": "12" }, "r6": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "425" }, "r7": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "7A", "Section": "B", "Subsection": "2" } } } ZIP 13 0000950170-24-059498-xbrl.zip IDEA: XBRL DOCUMENT begin 644 0000950170-24-059498-xbrl.zip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end XML 15 krro-20240513_htm.xml IDEA: XBRL DOCUMENT 0001703647 2024-05-13 2024-05-13 false 0001703647 NASDAQ 8-K 2024-05-13 Korro Bio, Inc. DE 001-39062 47-2324450 One Kendall Square Building 600-700 Suite 6-401 Cambridge MA 02139 (617) 468-1999 false false false false Common stock, par value $0.001 per share KRRO true false