KRROHealthcareMicro-Cap
Korro Bio, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Korro Bio, Inc. (KRRO), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are KRRO insiders buying or selling?
Korro Bio, Inc. insiders reported 25 open-market buys ($36.1M) and 128 sells ($23.9M) across 153 Form 4 filings — a net buying position of $12.1M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 7, 2026)
Total Form 4 filings
153
SEC EDGAR
Insider filers
28
Insider buys (25)
$36.1M
Insider sells (128)
$23.9M
Insider sentiment
Net buyingNet insider flow of $12.1M in net buying.
Recent KRRO insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 7, 2026 | FORMELA JEAN FRANCOIS | Director | Sale | 110.0K | $14.02 | $1.5M |
| Jun 25, 2026 | FORMELA JEAN FRANCOIS | Director | Sale | 171.4K | $14.34 | $2.5M |
| Jun 17, 2026 | Todd Chappell | Chief Operating Officer | Sale | 3.2K | $10.83 | $34.3K |
| Jun 17, 2026 | Loic A Vincent | Chief Scientific Officer | Sale | 3.4K | $10.83 | $37.0K |
| Jun 17, 2026 | Jeffrey Cerio | General Counsel | Sale | 6.6K | $10.83 | $71.6K |
| Jun 17, 2026 | Oliver Dolan | Senior Vice President, Finance | Sale | 3.4K | $10.83 | $36.6K |
| Jun 2, 2026 | Ram Aiyar | President and CEO | Sale | 15.2K | $12.98 | $196.7K |
| Jun 1, 2026 | FORMELA JEAN FRANCOIS | Director | Sale | 2.9K | $13.95 | $39.9K |
| Apr 2, 2026 | Lynx1 Capital Management LP | 10% Owner | Purchase | 520 | $10.60 | $5.5K |
| Mar 13, 2026 | Rick Yang | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Scott D Sandell | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | New Enterprise Associates 17, L.P. | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Carmen Chang | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Forest Baskett | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Edward T Mathers | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Mohamad Makhzoumi | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Paul Edward Walker | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Mar 13, 2026 | Anthony A. Florence Jr. | 10% Owner | Purchase | 207.1K | $11.11 | $2.3M |
| Nov 13, 2024 | Vineet Agarwal | Chief Financial Officer | Sale | 800 | $70.00 | $56.0K |
| Oct 18, 2024 | Vineet Agarwal | Chief Financial Officer | Sale | 10.2K | $78.26 | $799.5K |
| Apr 24, 2024 | New Enterprise Associates 17, L.P. | 10% Owner | Purchase | 17.9K | $56.00 | $1000.0K |
| Apr 24, 2024 | Forest Baskett | 10% Owner | Purchase | 17.9K | $56.00 | $1000.0K |
| Apr 24, 2024 | Anthony A. Florence Jr. | 10% Owner | Purchase | 17.9K | $56.00 | $1000.0K |
| Apr 24, 2024 | Paul Edward Walker | 10% Owner | Purchase | 17.9K | $56.00 | $1000.0K |
| Apr 24, 2024 | Carmen Chang | 10% Owner | Purchase | 17.9K | $56.00 | $1000.0K |
Showing the 25 most recent of 153 Form 4 filings for Korro Bio, Inc..
Most active KRRO insiders
- Lucchino David L.47 filings
- Christopher R. Loose34 filings
- Richard J. Mitrano20 filings
- Quentin Mccubbin5 filings
- Carl Lebel4 filings
Ask anything about KRRO insider activity
Use Trabud's AI agent to query Korro Bio, Inc.'s Form 4 history in plain English — "Show me KRRO CEO purchases this year" or compare it against any other ticker.
Open the AI agentKRRO insider trading FAQ
Are Korro Bio, Inc. insiders buying or selling?
Across 153 SEC Form 4 filings, Korro Bio, Inc. (KRRO) insiders reported 25 open-market purchases totaling $36.1M and 128 sales totaling $23.9M. That is a net buying position of $12.1M.
How many insiders trade KRRO stock?
28 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Korro Bio, Inc.. The most recent filing was accepted on Jul 7, 2026.
Where does Trabud get KRRO insider trading data?
All KRRO insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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