KRRO Korro Bio, Inc.
Nasdaq · SEC CIK 1703647 · EDGAR
- Bought, last 12 months
- $20.79M 11 purchases by 10 insiders
- Sold, last 12 months
- $5.70M 15 sales by 6 insiders
- Filings on record
- 195 since 2021-07-06, latest 2026-09-15 16:15
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| FORMELA JEAN FRANCOIS | Dir | — | $5.16M |
| Yang Rick | 10% | $2.30M | — |
| New Enterprise Associates 17, L.P. | 10% | $2.30M | — |
| Chang Carmen | 10% | $2.30M | — |
| Makhzoumi Mohamad | 10% | $2.30M | — |
| Florence Anthony A. Jr. | 10% | $2.30M | — |
| Walker Paul Edward | 10% | $2.30M | — |
| Mathers Edward T | 10% | $2.30M | — |
| BASKETT FOREST | 10% | $2.30M | — |
| SANDELL SCOTT D | 10% | $2.30M | — |
Transactions 157
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MTI | 2026-09-15 16:15 | 2026-09-11+ | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $14.09 | -48.7K | 132.7K | -27% | -$686.2K |
| T | 2026-09-14 16:05 | 2026-09-11 | KRRO | Dolan Oliver | SVP, Fin | S - Sale | $13.72 | -5 | 16.2K | -0.0% | -$68.58 |
| MT | 2026-09-10 16:05 | 2026-09-08+ | KRRO | Dolan Oliver | SVP, Fin | S - Sale | $13.51 | -7,353 | 16.2K | -31% | -$99.4K |
| MTI | 2026-08-28 16:30 | 2026-08-26 | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $13.96 | -300 | 141.0K | -0.2% | -$4,188 |
| MTI | 2026-08-21 16:20 | 2026-08-19 | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $14.00 | -28.5K | 141.1K | -17% | -$398.6K |
| MTI | 2026-08-13 17:04 | 2026-08-11 | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $13.96 | -2,143 | 145.9K | -1% | -$29.9K |
| MI | 2026-08-13 09:54 | 2026-08-06+ | KRRO | Lynx1 Capital Management LP | 10% | P - Purchase | $11.79 | +6,684 | 1.54M | +0.4% | +$78.8K |
| 2026-08-05 16:05 | 2026-08-04 | KRRO | Aiyar Ram | Pres, CEO, Dir | S - Sale | $10.84 | -5,802 | 69.0K | -8% | -$62.9K | |
| 2026-07-17 07:14 | 2026-07-15 | KRRO | Vincent Loic A | CSO | A - Grant | $0.00 | +7,500 | 25.8K | +41% | $0 | |
| 2026-07-17 07:11 | 2026-07-15 | KRRO | Dolan Oliver | SVP, Fin | A - Grant | $0.00 | +5,500 | 23.6K | +30% | $0 | |
| 2026-07-17 07:08 | 2026-07-15 | KRRO | Cerio Jeffrey | GC | A - Grant | $0.00 | +6,500 | 41.8K | +18% | $0 | |
| 2026-07-17 07:05 | 2026-07-15 | KRRO | Chappell Todd | COO | A - Grant | $0.00 | +7,500 | 24.5K | +44% | $0 | |
| MTI | 2026-07-07 18:04 | 2026-07-02+ | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $14.02 | -110.0K | 146.3K | -43% | -$1.54M |
| MTI | 2026-06-24 20:09 | 2026-06-22+ | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $14.34 | -171.4K | 169.6K | -50% | -$2.46M |
| 2026-06-17 16:14 | 2026-06-16 | KRRO | Chappell Todd | COO | S - Sale | $10.83 | -3,168 | 17.0K | -16% | -$34.3K | |
| 2026-06-17 16:11 | 2026-06-16 | KRRO | Vincent Loic A | CSO | S - Sale | $10.83 | -3,418 | 18.3K | -16% | -$37.0K | |
| 2026-06-17 16:08 | 2026-06-16 | KRRO | Cerio Jeffrey | GC | S - Sale | $10.83 | -6,609 | 35.3K | -16% | -$71.6K | |
| 2026-06-17 16:05 | 2026-06-16 | KRRO | Dolan Oliver | SVP, Fin | S - Sale | $10.83 | -3,383 | 18.1K | -16% | -$36.6K | |
| 2026-06-02 07:00 | 2026-05-29 | KRRO | Aiyar Ram | Pres, CEO, Dir | S - Sale | $12.98 | -15.2K | 74.8K | -17% | -$196.7K | |
| MTI | 2026-06-01 17:35 | 2026-05-28 | KRRO | FORMELA JEAN FRANCOIS | Dir | S - Sale | $13.95 | -2,860 | 194.7K | -1% | -$39.9K |
| 2026-05-28 17:07 | 2026-05-26 | KRRO | Aiyar Ram | Pres, CEO, Dir | A - Grant | $12.33 | +50.0K | 90.0K | +125% | +$616.5K | |
| I | 2026-04-02 12:00 | 2026-03-31 | KRRO | Lynx1 Capital Management LP | 10% | P - Purchase | $10.60 | +520 | 1.54M | +0.0% | +$5,512 |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Florence Anthony A. Jr. | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Mathers Edward T | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | SANDELL SCOTT D | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Walker Paul Edward | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | BASKETT FOREST | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| D | 2026-03-12 | 2026-03-10 | KRRO | New Enterprise Associates 17, L.P. | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Yang Rick | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Chang Carmen | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Makhzoumi Mohamad | 10% | P - Purchase | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| DI | 2026-03-12 | 2026-03-10 | KRRO | Behbahani Ali | Dir, 10% | A - Grant | $11.11 | +207.1K | 1.30M | +19% | +$2.30M |
| D | 2026-02-03 | 2026-02-02 | KRRO | Aiyar Ram | Pres, CEO, Dir | A - Grant | $0.00 | +40.0K | 40.0K | New | $0 |
| 2025-12-16 | 2025-12-15 | KRRO | Cerio Jeffrey | GC | A - Grant | $0.00 | +41.9K | 41.9K | New | $0 | |
| 2025-12-16 | 2025-12-15 | KRRO | Chappell Todd | COO | A - Grant | $0.00 | +20.1K | 20.1K | New | $0 | |
| 2025-12-16 | 2025-12-15 | KRRO | Vincent Loic A | CSO | A - Grant | $0.00 | +21.7K | 21.7K | New | $0 | |
| 2025-12-16 | 2025-12-15 | KRRO | Dolan Oliver | SVP, Fin | A - Grant | $0.00 | +21.5K | 21.5K | New | $0 | |
| DT | 2024-11-12 | 2024-11-11 | KRRO | Agarwal Vineet | CFO | S - Sale+OE | $70.00 | -800 | 0 | -100% | -$56.0K |
| DT | 2024-11-12 | 2024-11-11 | KRRO | Agarwal Vineet | CFO | M - OptEx | $11.68 | +800 | 800 | New | +$9,344 |
| DMT | 2024-10-18 | 2024-10-17 | KRRO | Agarwal Vineet | CFO | S - Sale+OE | $78.26 | -10.2K | 7,914 | -56% | -$799.5K |
| DMT | 2024-10-18 | 2024-10-17 | KRRO | Agarwal Vineet | CFO | M - OptEx | $11.99 | +10.2K | 9,263 | New | +$122.5K |
| 2024-04-24 | 2024-04-22 | KRRO | NEA Partners 17, L.P. | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K | |
| I | 2024-04-24 | 2024-04-22 | KRRO | Behbahani Ali | Dir, 10% | A - Grant | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | Walker Paul Edward | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | Yang Rick | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | SANDELL SCOTT D | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | Chang Carmen | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | Florence Anthony A. Jr. | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | Makhzoumi Mohamad | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | Mathers Edward T | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| I | 2024-04-24 | 2024-04-22 | KRRO | BASKETT FOREST | 10% | P - Purchase | $56.00 | +17.9K | 1.09M | +2% | +$1000.0K |
| 2024-04-23 | 2024-04-22 | KRRO | Atlas Venture Associates Opportunity II, LP | 10% | P - Purchase | $56.00 | +17.9K | 195.1K | +10% | +$1000.0K | |
| I | 2024-04-23 | 2024-04-22 | KRRO | FORMELA JEAN FRANCOIS | Dir | A - Grant | $56.00 | +17.9K | 195.1K | +10% | +$1000.0K |
| M | 2023-11-27 | 2023-11-22 | KRRO | Lucchino David L. | Dir | S - Sale | $37.69 | -1,156 | 22.1K | -5% | -$43.6K |
| D | 2023-11-22 | 2023-11-03 | KRRO | Lucchino David L. | Dir | M - OptEx | — | +5,600 | 18.3K | +44% | — |
| DM | 2023-11-22 | 2023-11-10 | KRRO | Lucchino David L. | Dir | S - Sale+OE | $41.97 | -968 | 23.3K | -4% | -$40.6K |
| D | 2023-11-22 | 2023-11-03 | KRRO | Lucchino David L. | Dir | A - Grant | — | +6,000 | 24.3K | +33% | — |
| DI | 2023-11-07 | 2023-11-03 | KRRO | Behbahani Ali | Dir, 10% | A - Grant | — | +1.07M | 1.07M | New | — |
| DMI | 2023-11-07 | 2023-11-03 | KRRO | FORMELA JEAN FRANCOIS | Dir | A - Grant | — | +1.12M | 942.1K | New | — |
| D | 2023-11-07 | 2023-11-03 | KRRO | Bermingham Nessan | Dir | A - Grant | — | +35.1K | 35.1K | New | — |
| DI | 2023-11-07 | 2023-11-03 | KRRO | Aiyar Ram | Pres, CEO, Dir | A - Grant | — | +4,613 | 4,613 | New | — |
| M | 2023-08-22 | 2023-08-18+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.5789 | -464 | 48.7K | -0.9% | -$268.62 |
| M | 2023-08-22 | 2023-08-18+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.5484 | -5,922 | 636.8K | -0.9% | -$3,248 |
| M | 2023-08-18 | 2023-08-16+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.6452 | -464 | 48.9K | -0.9% | -$299.38 |
| M | 2023-08-18 | 2023-08-16+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.6403 | -5,628 | 642.4K | -0.9% | -$3,604 |
| M | 2023-08-16 | 2023-08-14+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.6491 | -5,510 | 645.3K | -0.8% | -$3,576 |
| M | 2023-08-16 | 2023-08-14+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.6449 | -466 | 49.4K | -0.9% | -$300.52 |
| M | 2023-08-14 | 2023-08-10+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.6751 | -5,523 | 650.8K | -0.8% | -$3,728 |
| M | 2023-08-14 | 2023-08-10+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.64 | -487 | 49.9K | -1.0% | -$311.68 |
| M | 2023-08-10 | 2023-08-08+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.665 | -479 | 50.6K | -0.9% | -$318.55 |
| M | 2023-08-10 | 2023-08-08+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.68 | -5,608 | 656.3K | -0.8% | -$3,814 |
| M | 2023-08-09 | 2023-08-04+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.6847 | -5,407 | 661.9K | -0.8% | -$3,702 |
| M | 2023-08-09 | 2023-08-04+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.6803 | -455 | 51.1K | -0.9% | -$309.55 |
| M | 2023-08-04 | 2023-08-02+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.5556 | -5,266 | 670.0K | -0.8% | -$2,926 |
| M | 2023-08-04 | 2023-08-02+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.5251 | -463 | 51.3K | -0.9% | -$243.11 |
| M | 2023-08-02 | 2023-07-31+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.4949 | -5,475 | 672.6K | -0.8% | -$2,710 |
| M | 2023-08-02 | 2023-07-31+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.4897 | -460 | 51.7K | -0.9% | -$225.24 |
| M | 2023-07-31 | 2023-07-27+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.5003 | -450 | 52.4K | -0.9% | -$225.12 |
| M | 2023-07-31 | 2023-07-27+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.4954 | -2,717 | 185.0K | -1% | -$1,346 |
| M | 2023-07-31 | 2023-07-27+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.4905 | -5,438 | 680.7K | -0.8% | -$2,668 |
| MT | 2023-07-27 | 2023-07-25+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.5049 | -2,719 | 187.7K | -1% | -$1,373 |
| MT | 2023-07-27 | 2023-07-25+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.5146 | -456 | 52.9K | -0.9% | -$234.66 |
| MT | 2023-07-27 | 2023-07-25+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.5096 | -5,412 | 686.1K | -0.8% | -$2,758 |
| MT | 2023-07-25 | 2023-07-21+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.5844 | -457 | 53.1K | -0.9% | -$267.07 |
| MT | 2023-07-25 | 2023-07-21+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.5737 | -2,771 | 189.1K | -1% | -$1,590 |
| MT | 2023-07-25 | 2023-07-21+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.5736 | -5,550 | 688.9K | -0.8% | -$3,183 |
| M | 2023-07-21 | 2023-07-19+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.635 | -457 | 53.6K | -0.8% | -$290.20 |
| M | 2023-07-21 | 2023-07-19+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.6449 | -5,356 | 694.5K | -0.8% | -$3,454 |
| M | 2023-07-21 | 2023-07-19+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.645 | -2,696 | 191.9K | -1% | -$1,739 |
| M | 2023-07-19 | 2023-07-17+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.6045 | -493 | 54.0K | -0.9% | -$298.04 |
| M | 2023-07-19 | 2023-07-17+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.6137 | -2,899 | 194.6K | -1% | -$1,779 |
| M | 2023-07-19 | 2023-07-17+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.618 | -5,743 | 702.8K | -0.8% | -$3,549 |
| M | 2023-07-17 | 2023-07-13+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.4729 | -375 | 54.7K | -0.7% | -$177.33 |
| M | 2023-07-17 | 2023-07-13+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.4711 | -2,235 | 197.5K | -1% | -$1,053 |
| M | 2023-07-17 | 2023-07-13+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.4714 | -4,461 | 705.6K | -0.6% | -$2,103 |
| M | 2023-07-13 | 2023-07-11+ | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale | $0.3847 | -448 | 54.9K | -0.8% | -$172.36 |
| M | 2023-07-13 | 2023-07-11+ | KRRO | Lucchino David L. | Pres, CEO, Dir | S - Sale | $0.3798 | -5,380 | 710.0K | -0.8% | -$2,044 |
| M | 2023-07-13 | 2023-07-11+ | KRRO | Loose Christopher R. | CSO | S - Sale | $0.3799 | -2,698 | 199.7K | -1% | -$1,025 |
| DAT | 2023-07-12 | 2023-07-04 | KRRO | Mitrano Richard J. | VP Fin, Ops | M - OptEx | — | +25.0K | 56.0K | +81% | — |
| DAT | 2023-07-12 | 2023-07-06 | KRRO | Mitrano Richard J. | VP Fin, Ops | S - Sale+OE | $0.35 | -224 | 55.8K | -0.4% | -$78.40 |
Purchase Sale Sale after option exercise All abbreviations