Company Description
Rallybio Corporation, a clinical-stage biotechnology company, engages in the development and commercialization of life-transforming therapies for patients suffering from severe and rare diseases.
Its lead product candidate is the RLYB116, an inhibitor of complement component 5 (C5) to treat several diseases of complement dysregulation which has completed phase 1 trial; and RLYB332, a preclinical antibody, for the treatment of severe anemia with ineffective erythropoiesis and iron overload.
The company has a strategic alliance with AbCellera to discover, develop, and commercialize novel antibody-based therapeutics for rare diseases, as well as collaboration agreement with Johnson & Johnson to provide therapeutic solutions for pregnant individuals at risk of fetal and neonatal alloimmune thrombocytopenia.
Rallybio Corporation was founded in 2018 and is headquartered in New Haven, Connecticut.
| Country | United States |
| Founded | 2018 |
| IPO Date | Jul 29, 2021 |
| Industry | Biotechnology |
| Sector | Healthcare |
| Employees | 14 |
| CEO | Stephen Uden |
Contact Details
Address: 234 Church Street New Haven, Connecticut 06510 United States | |
| Phone | 203 859 3820 |
| Website | rallybio.com |
Stock Details
| Ticker Symbol | RLYB |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| IPO Price | $13.00 |
| CIK Code | 1739410 |
| CUSIP Number | 75120L209 |
| ISIN Number | US75120L2097 |
| Employer ID | 85-1083789 |
| SIC Code | 2834 |
Key Executives
| Name | Position |
|---|---|
| Dr. Stephen Uden M.D., MBBS | Co-Founder, President, Chief Executive Officer and Director |
| Dr. Martin W. MacKay Ph.D. | Co-Founder and Chairman |
| Jonathan I. Lieber M.B.A. | Chief Financial Officer and Treasurer |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| May 15, 2026 | SCHEDULE 13G/A | Filing |
| May 15, 2026 | SCHEDULE 13G | Filing |
| May 15, 2026 | SCHEDULE 13G | Filing |
| May 15, 2026 | SCHEDULE 13G | Filing |
| May 13, 2026 | 10-Q | Quarterly Report |
| May 6, 2026 | SCHEDULE 13D/A | Filing |
| May 5, 2026 | RW | Filing |
| May 4, 2026 | 8-K | Current Report |
| Apr 29, 2026 | SCHEDULE 13G | Filing |
| Apr 24, 2026 | S-4/A | Filing |