Rallybio Corporation (RLYB)
Nasdaq: RLYB · Pharmaceutical Preparations · New Haven, CT · filing with the SEC since 2018
Who runs Rallybio Corporation
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Uden Stephen
Chief Executive Officer. First filing Jul 2021, latest Oct 29, 2026, 1 filing in all.
Officers reporting now
3
of 10 people with a filing in the last fifteen months
Directors reporting now
7
15 people on the record since 2021
Officerssales are open-market, Nov 5, 2025 to Nov 5, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Mackay Martin | Executive Chairman | Jul 2021 | Nov 5, 2026 | none |
| Lieber Jonathan I | Chief Financial Officer | Feb 2023 | Nov 3, 2026 | 2 · $0.00 |
| Uden Stephen | Chief Executive Officer | Jul 2021 | Oct 29, 2026 | none |
Directorssales are open-market, Nov 5, 2025 to Nov 5, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Hunt Ronald | director | Jul 2021 | Nov 5, 2026 | none |
| Nash Christine A | director | Apr 2022 | Oct 30, 2026 | none |
| Chung Wendy | director | Aug 2022 | Oct 28, 2026 | none |
| Boudreau Helen M | director | Jul 2021 | Oct 20, 2026 | none |
| Soteropoulos Paula | director | Jul 2021 | Oct 20, 2026 | none |
| Hopfner Robert Lorne | director | Jul 2021 | Oct 14, 2026 | none |
| Liu Hui | director | Apr 2022 | Sep 28, 2026 | none |
Owners of more than 10% of a classsales are open-market, Nov 5, 2025 to Nov 5, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Adar1 Capital Management, LLC | 10% owner | May 2026 | May 20, 2026 | none |
| Schneeberger Daniel | 10% owner | May 2026 | May 20, 2026 | none |
| Fmr LLC | 10% owner | Jul 2021 | Mar 10, 2026 | none |
Earlier names on the record19, newest filing first
Ryder Steven · officer · last filing Feb 2025Parmar Kush · director · last filing May 20245am Partners V, LLC · 10% owner · last filing Mar 20235am Ventures V, L.P. · 10% owner · last filing Mar 2023Rocklage Scott M · 10% owner · last filing Mar 2023Schwab Andrew J. · 10% owner · last filing Mar 2023Halvorsen Ole Andreas · 10% owner · last filing Nov 2022Ott David C. · 10% owner · last filing Nov 2022Shabet Rose Sharon · 10% owner · last filing Nov 2022Viking Global Investors LP · 10% owner · last filing Nov 2022Viking Global Opportunities Gp LLC · 10% owner · last filing Nov 2022Viking Global Opportunities Illiquid Investments Sub-Master LP · 10% owner · last filing Nov 2022Viking Global Opportunities Parent Gp LLC · 10% owner · last filing Nov 2022Viking Global Opportunities Portfolio Gp LLC · 10% owner · last filing Nov 20225am Opportunities I (Gp), LLC · 10% owner · last filing Jun 20225am Opportunities I, L.P. · 10% owner · last filing Jun 2022Fryer Jeffrey M · officer · last filing Mar 2022Shannon Timothy M · director · last filing Jan 2022Iancovici Lucian · director · last filing Jul 2021
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.