KRRO Korro Bio, Inc.companySEC Filings & Insider Trading Activity 2026
Latest Korro Bio, Inc. (KRRO) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on March 12, 2026, a 10-Q quarterly report filed on November 12, 2025, an 8-K current report filed on March 12, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Korro Bio, Inc. (KRRO) (SEC CIK 1703647), with AI-powered section-by-section summaries updated daily.
Latest 2026 SEC Filing Dates
AI 8-K Current Report AnalysisRecent 8-K Filings
Item 2.02: Results of Operations and Financial Condition
- • Full-year 2025 financial results released March 12, 2026 — details in Exhibit 99.1
- • KRRO is a clinical-stage biotech; cash runway and R&D spend are key metrics to watch in the release
Item 2.02: Results of Operations and Financial Condition
- • Cash, cash equivalents & marketable securities ~$85.2M as of Dec 31, 2025 (preliminary, unaudited)
- • Figure subject to change pending completion of financial closing procedures — not yet audited or reviewed by external auditors
Item 3.02: Unregistered Sales of Equity Securities
- • Item 3.02 covers unregistered securities sales; KRRO's disclosure cross-references another section of this 8-K rather than detailing terms here
- • Investors should review the full 8-K for deal terms, share counts, and applicable exemptions from registration
Item 7.01: Regulation FD Disclosure
- • Private placement closing disclosed — terms and size not specified in this section; check accompanying exhibits for deal economics
- • Preliminary unaudited year-end cash, cash equivalents, and marketable securities referenced — actual figures not disclosed in this item
Item 1.01: Entry into a Material Definitive Agreement
- • Private placement raising ~$85.0M gross proceeds via 4.5M shares at $11.11/share plus pre-funded warrants for 3.1M additional shares at $11.109 each
- • Combined with existing $85.2M cash (as of Dec 31, 2025), total runway extended into 2H 2028 — meaningful for a clinical-stage biotech burning cash on pipeline development
Recent 8-K FilingsCurrent Reports
AI-powered analysis of Korro Bio, Inc. (KRRO) 8-K current reports disclosing material events.
Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4
| Form | Filing Date | Period | Analysis | SEC |
|---|---|---|---|---|
10-K | Mar 12, 2026 | Dec 31, 2025 | — | |
8-K | Mar 12, 2026 | — | Analysis | — |
8-K | Mar 9, 2026 | — | Analysis | — |
8-K | Jan 27, 2026 | — | — | |
8-K | Jan 15, 2026 | — | — | |
8-K | Dec 18, 2025 | — | — | |
10-Q | Nov 12, 2025 | Sep 30, 2025 | — | |
10-Q | Aug 12, 2025 | Jun 30, 2025 | — | |
10-Q | May 7, 2025 | Mar 31, 2025 | — | |
10-K | Mar 18, 2025 | Dec 31, 2024 | — | |
10-Q | Nov 12, 2024 | Sep 30, 2024 | — | |
10-Q | Aug 13, 2024 | Jun 30, 2024 | — | |
10-Q | May 14, 2024 | Mar 31, 2024 | — | |
10-K | Mar 26, 2024 | Dec 31, 2023 | — | |
10-Q | Nov 2, 2023 | Sep 30, 2023 | — | |
10-Q | Aug 10, 2023 | Jun 30, 2023 | — | |
10-Q | May 12, 2023 | Mar 31, 2023 | — | |
10-K | Mar 10, 2023 | Dec 31, 2022 | — | |
10-Q | Nov 8, 2022 | Sep 30, 2022 | — | |
10-Q | Aug 9, 2022 | Jun 30, 2022 | — | |
10-Q | May 4, 2022 | Mar 31, 2022 | — | |
10-K | Mar 15, 2022 | Dec 31, 2021 | — | |
10-Q | Nov 15, 2021 | Sep 30, 2021 | — | |
10-Q | Aug 12, 2021 | Jun 30, 2021 | — | |
10-Q | May 13, 2021 | Mar 31, 2021 | — |
Frequently Asked Questions
What are the latest KRRO SEC filings in 2026?
Korro Bio, Inc. (KRRO) has filed a 10-K annual report on March 12, 2026, a 10-Q quarterly report on November 12, 2025, an 8-K current report on March 12, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.
When did KRRO file its most recent 10-K annual report?
Korro Bio, Inc. (KRRO) filed its most recent 10-K annual report on March 12, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.
How do I view KRRO 10-Q quarterly reports?
Korro Bio, Inc. (KRRO)'s most recent 10-Q quarterly report was filed on November 12, 2025. SignalX displays every KRRO 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.
What 8-K current reports has KRRO filed recently?
Korro Bio, Inc. (KRRO)'s most recent 8-K was filed on March 12, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.
Where can I find KRRO insider trading activity (Form 4)?
SignalX aggregates every KRRO Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.
How often does KRRO file with the SEC?
Korro Bio, Inc. (KRRO) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new KRRO filing with AI-powered analysis.
What is the difference between 10-K, 10-Q, and 8-K SEC filings?
A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Korro Bio, Inc. (KRRO).
What is KRRO's SEC CIK number?
Korro Bio, Inc. (KRRO)'s SEC CIK (Central Index Key) number is 1703647. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1703647 to look up all KRRO filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.
Where can I find KRRO return on equity (ROE) and financial data?
SignalX extracts XBRL financial data from Korro Bio, Inc. (KRRO) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.
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