Korro Bio, Inc. insider trading
KRRO$9.64-0.07 (-0.72%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-78.9%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- SDScott D. Sandell8.8138%
- ETEdward T. Mathers8.8138%
- FBForest Baskett8.8138%
- ABAli Behbahani8.8138%
- CCCarmen Chang8.8138%
- PEPaul Edward Walker8.8138%
- FAFlorence Anthony A. Jr.8.8138%
- RYRick Yang8.8138%
- MMMohamad Makhzoumi8.8138%
- JFJean Francois Formela0.9008%
AI Activity Analysis
PremiumComing soon
Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| KRRO | Jean Francois Formela | Open market sell$93.2K | -4.7% | $14.12 | $93.2K | Sep 14, 2026 | Sep 15, 2026 |
| KRRO | Jean Francois Formela | Open market sell$450K | -4.7% | $14.12 | $450K | Sep 14, 2026 | Sep 15, 2026 |
| KRRO | Jean Francois Formela | Open market sell$24.5K | -1.2% | $13.99 | $24.5K | Sep 11, 2026 | Sep 15, 2026 |
| KRRO | Jean Francois Formela | Open market sell$118K | -1.2% | $13.99 | $118K | Sep 11, 2026 | Sep 15, 2026 |
| KRRO | Oliver Dolan | Open market sell$68.6 | 0.0% | $13.72 | $68.6 | Sep 11, 2026 | Sep 14, 2026 |
| KRRO | Oliver Dolan | Open market sell$81.6 | 0.0% | $13.60 | $81.6 | Sep 9, 2026 | Sep 10, 2026 |
| KRRO | Oliver Dolan | Open market sell$99.3K | -31.1% | $13.51 | $99.3K | Sep 8, 2026 | Sep 10, 2026 |
| KRRO | Jean Francois Formela | Open market sell$712 | 0.0% | $13.96 | $712 | Aug 26, 2026 | Aug 28, 2026 |
| KRRO | Jean Francois Formela | Open market sell$3.48K | 0.0% | $13.96 | $3.48K | Aug 26, 2026 | Aug 28, 2026 |
| KRRO | Jean Francois Formela | Open market sell$68.4K | -3.4% | $14.00 | $68.4K | Aug 19, 2026 | Aug 21, 2026 |
| KRRO | Jean Francois Formela | Open market sell$330K | -3.4% | $14.00 | $330K | Aug 19, 2026 | Aug 21, 2026 |
| KRRO | Jean Francois Formela | Open market sell$5.14K | -0.3% | $13.96 | $5.14K | Aug 11, 2026 | Aug 13, 2026 |
| KRRO | Jean Francois Formela | Open market sell$24.8K | -0.3% | $13.96 | $24.8K | Aug 11, 2026 | Aug 13, 2026 |
| KRRO | Lynx1 Capital Management LP | Open market purchase$19.3K | +0.1% | $13.19 | $19.3K | Aug 10, 2026 | Aug 13, 2026 |
| KRRO | Lynx1 Capital Management LP | Open market purchase$59.5K | +0.3% | $11.40 | $59.5K | Aug 6, 2026 | Aug 13, 2026 |
| KRRO | Ram Aiyar | Open market sell$62.9K | -7.3% | $10.84 | $62.9K | Aug 4, 2026 | Aug 5, 2026 |
| KRRO | Jean Francois Formela | Open market sell$119K | -5.5% | $13.96 | $119K | Jul 6, 2026 | Jul 7, 2026 |
| KRRO | Jean Francois Formela | Open market sell$11.4K | -0.1% | $13.96 | $11.4K | Jul 6, 2026 | Jul 7, 2026 |
| KRRO | Jean Francois Formela | Open market sell$207K | -8.7% | $14.03 | $207K | Jul 2, 2026 | Jul 7, 2026 |
| KRRO | Jean Francois Formela | Open market sell$1.21M | -10.8% | $14.03 | $1.21M | Jul 2, 2026 | Jul 7, 2026 |
| KRRO | Jean Francois Formela | Open market sell$1.71K | -0.1% | $14.98 | $1.71K | Jun 24, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$102K | -4.0% | $14.60 | $102K | Jun 24, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$9.98K | -0.1% | $14.98 | $9.98K | Jun 24, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$594K | -4.9% | $14.60 | $594K | Jun 24, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$248K | -9.0% | $14.25 | $248K | Jun 23, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$1.45M | -10.9% | $14.25 | $1.45M | Jun 23, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$8.09K | -0.3% | $13.95 | $8.09K | Jun 22, 2026 | Jun 24, 2026 |
| KRRO | Jean Francois Formela | Open market sell$47.2K | -0.4% | $13.95 | $47.2K | Jun 22, 2026 | Jun 24, 2026 |
| KRRO | Todd Chappell | Open market sell$34.3K | -15.7% | $10.83 | $34.3K | Jun 16, 2026 | Jun 17, 2026 |
| KRRO | Loic A. Vincent | Open market sell$37K | -15.7% | $10.83 | $37K | Jun 16, 2026 | Jun 17, 2026 |
| KRRO | Jeffrey Cerio | Open market sell$71.6K | -15.8% | $10.83 | $71.6K | Jun 16, 2026 | Jun 17, 2026 |
| KRRO | Oliver Dolan | Open market sell$36.6K | -15.8% | $10.83 | $36.6K | Jun 16, 2026 | Jun 17, 2026 |
| KRRO | Ram Aiyar | Open market sell$197K | -16.0% | $12.98 | $197K | May 29, 2026 | Jun 2, 2026 |
| KRRO | Jean Francois Formela | Open market sell$5.85K | -0.2% | $13.95 | $5.85K | May 28, 2026 | Jun 1, 2026 |
| KRRO | Jean Francois Formela | Open market sell$34.1K | -0.3% | $13.95 | $34.1K | May 28, 2026 | Jun 1, 2026 |
| KRRO | Weston Nichols | Open market purchase$5.51K | 0.0% | $10.60 | $5.51K | Mar 31, 2026 | Apr 2, 2026 |
| KRRO | Rick Yang | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Scott D. Sandell | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | New Enterprise Associates 17, L.P. | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Carmen Chang | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Forest Baskett | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Edward T. Mathers | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Paul Edward Walker | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Mohamad Makhzoumi | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |
| KRRO | Florence Anthony A. Jr. | Open market purchase$2.3M | +19.0% | $11.11 | $2.3M | Mar 10, 2026 | Mar 12, 2026 |