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Korro Bio, Inc.

For the period ended Mar 31, 2026. Filed May 7, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 7, 2026

KRRO$14.96+1.4%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Item 6. Exhibits

ExhibitNumberDescription
3.1Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K filed on October 7, 2019 )
3.2Certificate of Amendment to Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K filed on November 6, 2023)
3.3Certificate of Amendment to Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.2 to the registrant’s Current Report on Form 8-K filed on November 6, 2023)
3.4Certificate of Amendment to Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K filed on June 12, 2024)
3.5Amended and Restated Bylaws (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K filed on September 23, 2020)
10.1Subscription Agreement dated March 9, 2026 by and among Korro Bio, Inc. and the purchasers party thereto (incorporated by reference to Exhibit 10.1 the registrant’s Current Report on Form 8-K filed on March 9, 2026)
10.2Registration Rights Agreement dated March 9, 2026 by and among Korro Bio, Inc. and the purchasers party thereto (incorporated by reference to Exhibit 10.2 the registrant’s Current Report on Form 8-K filed on March 9, 2026)
10.3Form of Pre-Funded Warrant issued March 10, 2026 (incorporated by reference to Exhibit 4.1 the registrant’s Current Report on Form 8-K filed on March 9, 2026)
31.1*Certification of Principal Executive Officer and Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1†Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document
101.SCHInline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
  • Filed herewith.

† These certifications will not be deemed “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act except to the extent specifically incorporated by reference into such filing.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.