Korro Bio, Inc. SEC filings KRRO

Korro Bio, Inc. has 830 filings in SEC EDGAR's recent list, going back to Apr 14, 2017. Its latest annual report, Form ARS, was filed on Apr 16, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (agreement ended, results of operations). The company's fiscal year ends on December 31.

Korro Bio, Inc. SEC filings
Form Description Filed Period
ARS Annual report to shareholders Apr 16, 2026 Dec 31, 2025
10-K Annual report Mar 12, 2026 Dec 31, 2025
ARS Annual report to shareholders Apr 29, 2025 Dec 31, 2024
10-K Annual report Mar 18, 2025 Dec 31, 2024
ARS Annual report to shareholders Apr 29, 2024 Dec 31, 2023
10-K Annual report Mar 26, 2024 Dec 31, 2023
10-K/A Amended annual report May 1, 2023 Dec 31, 2022
10-K Annual report Mar 10, 2023 Dec 31, 2022
10-K Annual report Mar 15, 2022 Dec 31, 2021
10-K Annual report Mar 29, 2021 Dec 31, 2020
10-K Annual report Mar 26, 2020 Dec 31, 2019

Showing 11 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
KRRO (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Cambridge, MA
SEC filer status
Non-accelerated filer, Smaller reporting company
SEC CIK
1703647
Former names
Frequency Therapeutics, Inc. (until Nov 6, 2023)

Other Pharmaceutical Preparations companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.