Korro Bio, Inc. (KRRO)
Nasdaq: KRRO · Pharmaceutical Preparations · Cambridge, MA · filing with the SEC since 2017
Who runs Korro Bio, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Aiyar Ram
President and CEO. First filing Nov 2023, latest Aug 5, 2026, 2 filings in all.
Officers reporting now
5
of 11 people with a filing in the last fifteen months
Directors reporting now
6
30 people on the record since 2019
Officerssales are open-market, Oct 26, 2025 to Oct 26, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Dolan Oliver | Senior Vice President, Finance | Feb 2025 | Sep 14, 2026 | 4 · $100,000 |
| Aiyar Ram | President and CEO | Nov 2023 | Aug 5, 2026 | 2 · $300,000 |
| Chappell Todd | Chief Operating Officer | Nov 2023 | Jul 17, 2026 | 1 · $0.00 |
| Vincent Loic A | Chief Scientific Officer | Apr 2025 | Jul 17, 2026 | 1 · $0.00 |
| Cerio Jeffrey | General Counsel | Sep 2024 | Jul 17, 2026 | 1 · $100,000 |
Directorssales are open-market, Oct 26, 2025 to Oct 26, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Formela Jean Francois | director | Nov 2023 | Sep 15, 2026 | 24 · $5.2M |
| Behbahani Ali | director | Nov 2023 | Jun 11, 2026 | none |
| Bermingham Nessan | director | Nov 2023 | Jun 11, 2026 | none |
| Knobil Katharine | director | Aug 2024 | Jun 11, 2026 | none |
| Meyers Rachel | director | Nov 2023 | Jun 11, 2026 | none |
| Pearson Timothy R | director | Nov 2023 | Jun 11, 2026 | none |
Owners of more than 10% of a classsales are open-market, Oct 26, 2025 to Oct 26, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Lynx1 Capital Management LP | 10% owner | Mar 2026 | Oct 26, 2026 | none |
| Nichols Weston | 10% owner | Mar 2026 | Oct 26, 2026 | none |
| Baskett Forest | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Chang Carmen | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Florence Anthony A. Jr. | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Makhzoumi Mohamad | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Mathers Edward T | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Nea 17 Gp, LLC | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Nea Partners 17, L.P. | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| New Enterprise Associates 17, L.P. | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Sandell Scott D | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Walker Paul Edward | 10% owner | Nov 2023 | Mar 12, 2026 | none |
| Yang Rick | 10% owner | Nov 2023 | Mar 12, 2026 | none |
Earlier names on the record26, newest filing first
Agarwal Vineet · officer · last filing Feb 2025Olugemo Olukemi · officer · last filing Feb 2025Lucchino David L. · officer · last filing Jun 2024Atlas Venture Associates Opportunity II, LLC · 10% owner · last filing Apr 2024Atlas Venture Associates Opportunity II, LP · 10% owner · last filing Apr 2024Atlas Venture Opportunity Fund II, L.P. · 10% owner · last filing Apr 2024Walker Shelby J. · officer · last filing Nov 2023Colletti Steve · officer · last filing Nov 2023Atlas Venture Associates Xi, L.P. · 10% owner · last filing Nov 2023Atlas Venture Associates Xi, LLC · 10% owner · last filing Nov 2023Atlas Venture Fund Xi, L.P. · 10% owner · last filing Nov 2023Mitrano Richard J. · officer · last filing Aug 2023Loose Christopher R. · officer · last filing Jul 2023Arnold Wendy S · officer · last filing Jan 2023Lebel Carl · officer · last filing Jan 2023Mccubbin Quentin · officer · last filing Jan 2023Barberich Timothy J · director · last filing Aug 2022Feldmann Cynthia L · director · last filing Aug 2022Huang Michael · director · last filing Aug 2022Langer Robert · director · last filing Aug 2022Marcus Joel S · director · last filing Aug 2022Cohen Marc A · director · last filing Jun 2022Pfreundschuh Peter P. · officer · last filing Feb 2022Hilt Dana Charles · officer · last filing Apr 2021Bookman Michael · officer · last filing Apr 2021Alexandria Venture Investments, LLC · 10% owner · last filing Oct 2019
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.