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.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Agreement ended, Results of operations
|
Nov 5, 2026 | Nov 3, 2026 |
| 8-K |
Current report
Other events
|
Oct 22, 2026 | Oct 22, 2026 |
| 8-K |
Current report
Other events
|
Oct 5, 2026 | Oct 5, 2026 |
| 8-K |
Current report
Other events
|
Aug 19, 2026 | Aug 19, 2026 |
| 8-K |
Current report
Material agreement, Results of operations, Unregistered share sale
|
Aug 6, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Other events
|
May 19, 2026 | May 19, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 12, 2026 | Mar 12, 2026 |
| 8-K |
Current report
Material agreement, Results of operations, Unregistered share sale, Regulation FD disclosure
|
Mar 9, 2026 | Mar 9, 2026 |
| 8-K |
Current report
Other events
|
Jan 27, 2026 | Jan 27, 2026 |
| 8-K |
Current report
Other events
|
Jan 15, 2026 | Jan 15, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 18, 2025 | Dec 15, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, Exit or restructuring costs, Officer or director change
|
Nov 12, 2025 | Nov 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 8, 2025 | Oct 7, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jun 18, 2025 | Jun 11, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2025 | Jun 11, 2025 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
May 7, 2025 | May 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2025 | Mar 27, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 18, 2025 | Mar 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 11, 2025 | Feb 11, 2025 |
| 8-K |
Current report
Other events
|
Jan 13, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Other events
|
Nov 21, 2024 | Nov 21, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Other events
|
Nov 4, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Material agreement
|
Sep 16, 2024 | Sep 13, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 28, 2024 | Aug 26, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2024 | Aug 13, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2024 | Jun 17, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 12, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Other events
|
May 14, 2024 | May 13, 2024 |
| 8-K |
Current report
Results of operations
|
May 14, 2024 | May 14, 2024 |
| 8-K |
Current report
Other events
|
Apr 22, 2024 | Apr 22, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Apr 18, 2024 | Apr 17, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2024 | Mar 26, 2024 |
| 8-K |
Current report
Other events
|
Jan 9, 2024 | Jan 9, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 29, 2023 | Nov 27, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 14, 2023 | Nov 8, 2023 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Results of operations, Unregistered share sale, Change to shareholder rights, Auditor change, Change in control, Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure, Other events
|
Nov 6, 2023 | Nov 3, 2023 |
| 8-K |
Current report
Agreement ended, Other events
|
Sep 27, 2023 | Sep 26, 2023 |
| 8-K |
Current report
Agreement ended
|
Aug 15, 2023 | Aug 11, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2023 | Aug 10, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 31, 2023 | Jul 28, 2023 |
| 8-K |
Current report
Material agreement, Change in control, Officer or director change
|
Jul 14, 2023 | Jul 14, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 14, 2023 | Jul 14, 2023 |
| 8-K |
Current report
Exit or restructuring costs, Officer or director change
|
Jun 6, 2023 | May 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 12, 2023 | May 12, 2023 |
| 8-K |
Current report
Officer or director change
|
May 10, 2023 | May 5, 2023 |
| 8-K |
Current report
Listing notice, Officer or director change
|
Mar 29, 2023 | Mar 23, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs, Officer or director change, Regulation FD disclosure
|
Feb 13, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 13, 2022 | Dec 13, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 12, 2022 | Sep 12, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Material agreement
|
Jul 12, 2022 | Jul 8, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2022 | Jun 21, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 15, 2022 | Apr 11, 2022 |
| 8-K |
Current report
Exit or restructuring costs, Officer or director change, Regulation FD disclosure
|
Apr 8, 2022 | Apr 5, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2022 | Mar 25, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 18, 2022 | Mar 18, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 15, 2022 | Mar 15, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 13, 2022 | Jan 13, 2022 |
| 8-K |
Current report
Material agreement
|
Dec 10, 2021 | Dec 10, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 9, 2021 | Dec 9, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 15, 2021 | Nov 15, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 9, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Other events
|
Oct 21, 2021 | Oct 21, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 22, 2021 | Sep 22, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 12, 2021 | Aug 12, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 30, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2021 | Jun 17, 2021 |
| 8-K |
Current report
Results of operations
|
May 13, 2021 | May 13, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 29, 2021 | Mar 29, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Mar 23, 2021 | Mar 23, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 22, 2021 | Feb 22, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 11, 2021 | Jan 11, 2021 |
| 8-K |
Current report
Agreement ended
|
Dec 16, 2020 | Dec 11, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 15, 2020 | Dec 11, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 1, 2020 | Dec 1, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 16, 2020 | Nov 16, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Sep 25, 2020 | Sep 23, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2020 | Aug 12, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jul 21, 2020 | Jul 17, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2020 | Jun 11, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 14, 2020 | May 14, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 30, 2020 | Apr 30, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Material agreement
|
Jan 13, 2020 | Jan 13, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 18, 2019 | Nov 18, 2019 |
| 8-K |
Current report
Material agreement
|
Nov 14, 2019 | Nov 14, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 7, 2019 | Oct 7, 2019 |
Showing 95 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.
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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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.