Korro Bio ($KRRO) Insider Trading & Smart Money Activity
Korro Bio, Inc. ($KRRO) has 11 insider trades on file. In the last 12 months on the open market, no insider bought and 5 insiders sold ($2.82M), net -$2.82M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 5
- Net insider $ (12 mo)
- -$2.82M
- Congress trades (12 mo)
- 0
- 13F moves on file
- 0
- Analyst ratings on file
- 0
KRRO insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 11 · $2.82M | 0 / 0 | 0 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All KRRO insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Formela Jean Francois | Sell (Open-market sale) 10b5-1 | 48.44K sh | $707.49K | -0.9% | -22.7% | Read | ||||
| Insider | Formela Jean Francois | Sell (Open-market sale) 10b5-1 | 119K sh | $1.70M | -3.9% | -15.9% | Read | ||||
| Insider | Formela Jean Francois | Sell (Open-market sale) 10b5-1 | 3.96K sh | $55.27K | -5.0% | -15.8% | Read | ||||
| Insider | Loic VincentChief Scientific Officer | Sell (Open-market sale) | 3.42K sh | $37.02K | +28.6% | +15.2% | — | ||||
| Insider | Loic VincentChief Scientific Officer | Sell (Open-market sale) | 3.42K sh | $37.02K | +28.6% | +15.2% | Read | ||||
| Insider | Oliver DolanSenior Vice President, Finance | Sell (Open-market sale) | 3.38K sh | $36.64K | +28.6% | +15.2% | — | ||||
| Insider | Oliver DolanSenior Vice President, Finance | Sell (Open-market sale) | 3.38K sh | $36.64K | +28.6% | +15.2% | Read | ||||
| Insider | Todd ChappellChief Operating Officer | Sell (Open-market sale) | 3.17K sh | $34.31K | +28.6% | +15.2% | — | ||||
| Insider | Todd ChappellChief Operating Officer | Sell (Open-market sale) | 3.17K sh | $34.31K | +28.6% | +15.2% | Read | ||||
| Insider | Jeffrey CerioGeneral Counsel | Sell (Open-market sale) | 6.61K sh | $71.58K | +28.6% | +15.2% | — | ||||
| Insider | Jeffrey CerioGeneral Counsel | Sell (Open-market sale) | 6.61K sh | $71.58K | +28.6% | +15.2% | — |
1W / 1M / 6M = how KRRO moved from the trade or filing date.
Insider trading in KRRO: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Formela Jean Francois | 3 | -$2.46M | Jun 24, 2026 | ||
| Loic Vincent | Chief Scientific Officer | 2 | -$74.03K | Jun 16, 2026 | |
| Oliver Dolan | Senior Vice President, Finance | 2 | -$73.28K | Jun 16, 2026 | |
| Todd Chappell | Chief Operating Officer | 2 | -$68.62K | Jun 16, 2026 | |
| Jeffrey Cerio | General Counsel | 2 | -$143.15K | Jun 16, 2026 |
Frequently asked questions
Are KRRO insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 5 insiders made 11 open-market sales worth $2.82M, a net -$2.82M.
What is the latest insider trade in KRRO?
Formela Jean Francois filed a sell (open-market sale) of 48.44K sh worth $707.49K on Jun 24, 2026.
Other biotechnology stocks
Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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