NovaBridge Biosciences SEC filings NBP
NovaBridge Biosciences has 330 filings in SEC EDGAR's recent list, going back to Jul 29, 2019. Its latest annual report, Form 20-F, was filed on Apr 7, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 28, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Nov 2, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 144 | Notice of proposed sale | Sep 18, 2026 | — |
| 4 | Insider transaction | Sep 11, 2026 | Sep 9, 2026 |
| 3 | Initial insider ownership | Sep 10, 2026 | Sep 8, 2026 |
| 144 | Notice of proposed sale | Sep 9, 2026 | — |
| 4 | Insider transaction | Sep 8, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Aug 30, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 22, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 3 | Initial insider ownership | Jul 8, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 4, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 29, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 30, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 4 | Insider transaction | Apr 28, 2026 | Apr 24, 2026 |
| 3 | Initial insider ownership | Apr 22, 2026 | Apr 17, 2026 |
| 3/A | Filing | Apr 10, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Apr 1, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 24, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 19, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Mar 18, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| 144 | Notice of proposed sale | Dec 18, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 7, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Aug 5, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 5, 2025 | — |
| 144 | Notice of proposed sale | Jul 26, 2024 | — |
| 144 | Notice of proposed sale | Jul 17, 2024 | — |
| 144 | Notice of proposed sale | Mar 15, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 144 | Notice of proposed sale | Feb 8, 2024 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Jan 5, 2024 | — |
| 144 | Notice of proposed sale | Dec 29, 2023 | — |
| 144 | Notice of proposed sale | Dec 26, 2023 | — |
| SC 13D | Ownership over 5% (active) | Dec 1, 2023 | — |
| 144 | Notice of proposed sale | Nov 16, 2023 | — |
| 144 | Notice of proposed sale | Oct 10, 2023 | — |
| 144 | Notice of proposed sale | Sep 29, 2023 | — |
| 144 | Notice of proposed sale | Jul 11, 2023 | — |
| 144 | Notice of proposed sale | Jul 5, 2023 | — |
| 144 | Notice of proposed sale | Jul 5, 2023 | — |
| 144 | Notice of proposed sale | Jul 5, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 30, 2023 | — |
| 144 | Notice of proposed sale | May 1, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jun 13, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 27, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jul 19, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 24, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 21, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 25, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 21, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Sep 21, 2020 | — |
| SC 13D | Ownership over 5% (active) | Sep 14, 2020 | — |
Showing 91 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- NBP (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Rockville, MD
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1778016
- Former names
- I-Mab (until Oct 28, 2025)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.