KRRO insider buying
2 cluster buysKorro Bio, Inc. · Healthcare
When two or more insiders at Korro Bio, Inc. buy KRRO on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in KRRO plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Mar 10 – Mar 10, 2026Detected Mar 10, 20269 insidersTotal bought$20.7MMarket cap$196.9M
- Apr 22 – Apr 22, 2024Detected Apr 22, 202410 insidersTotal bought$10.0MMarket cap$196.9M
All notable open-market buys in KRRO
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Mar 31, 2026 | 10% Owner | 520 | $10.60 | $5.5K | SEC ↗ |
| Mar 10, 2026 | Florence Anthony A. Jr.cluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | Mathers Edward Tcluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | SANDELL SCOTT Dcluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | Walker Paul Edwardcluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | BASKETT FORESTcluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | Yang Rickcluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | Chang Carmencluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Mar 10, 2026 | Makhzoumi Mohamadcluster 10% Owner | 207,100 | $11.11 | $2.3M | SEC ↗ |
| Apr 22, 2024 | NEA Partners 17, L.P.cluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | Walker Paul Edwardcluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | Yang Rickcluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | SANDELL SCOTT Dcluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | Chang Carmencluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | Florence Anthony A. Jr.cluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | Makhzoumi Mohamadcluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | Mathers Edward Tcluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | BASKETT FORESTcluster 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
| Apr 22, 2024 | 10% Owner | 17,857 | $56.00 | $1.0M | SEC ↗ |
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KRRO insider buying — FAQ
- Are insiders buying KRRO stock?
- Yes — 12 distinct insiders have bought KRRO (Korro Bio, Inc.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Apr 2, 2026.
- How much KRRO stock have insiders bought?
- Insiders have bought a combined $30.7M of KRRO across 20 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in KRRO?
- A cluster buy is two or more distinct Korro Bio, Inc. insiders — officers, directors, or 10% owners — each buying KRRO on the open market within a rolling window. KRRO has 2 detected cluster buys to date.
- Where does this KRRO insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in KRRO
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy KRRO within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding KRRO.