Rapid Micro Biosystems, Inc. SEC filings RPID
Rapid Micro Biosystems, Inc. has 328 filings in SEC EDGAR's recent list, going back to Oct 23, 2006. Its latest annual report, Form ARS, was filed on Apr 8, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 7, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Jul 24, 2026 | Jul 24, 2026 |
| 4 | Insider transaction | Jul 24, 2026 | Jul 22, 2026 |
| 144 | Notice of proposed sale | Jul 8, 2026 | — |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 144 | Notice of proposed sale | Jun 22, 2026 | — |
| 144 | Notice of proposed sale | Jun 10, 2026 | — |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | May 29, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 28, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| 8-K |
Current report
Material agreement
|
May 19, 2026 | May 18, 2026 |
| 424B5 | Prospectus supplement | May 19, 2026 | — |
| 424B5 | Prospectus supplement | May 19, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 13, 2026 | May 13, 2026 |
| ARS | Annual report to shareholders | Apr 8, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 8, 2026 | — |
| DEF 14A | Proxy statement | Apr 8, 2026 | May 21, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| S-8 | Employee stock plan registration | Mar 12, 2026 | — |
| 10-K | Annual report | Mar 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 12, 2026 | Mar 12, 2026 |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 19, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 19, 2026 | — |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 23, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 13, 2026 | Jan 13, 2026 |
| 4 | Insider transaction | Nov 18, 2025 | Nov 14, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2025 | Nov 7, 2025 |
| 4 | Insider transaction | Oct 21, 2025 | Oct 17, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Aug 19, 2025 | — |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Unregistered share sale, Regulation FD disclosure
|
Aug 12, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Jul 15, 2025 | Jul 11, 2025 |
| 144 | Notice of proposed sale | Jul 14, 2025 | — |
| 144 | Notice of proposed sale | Jul 11, 2025 | — |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 144 | Notice of proposed sale | Jul 10, 2025 | — |
| 144 | Notice of proposed sale | Jul 9, 2025 | — |
| 144 | Notice of proposed sale | Jul 8, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 17, 2025 | Jun 17, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2025 | — |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 3 | Initial insider ownership | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 23, 2025 | May 22, 2025 |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 9, 2025 | May 9, 2025 |
| ARS | Annual report to shareholders | Apr 8, 2025 | Apr 8, 2025 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | May 22, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 9, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 9, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 4, 2025 | Mar 4, 2025 |
| S-8 | Employee stock plan registration | Feb 28, 2025 | — |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Feb 27, 2025 | Feb 21, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 16, 2025 | Jan 16, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 14, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Dec 5, 2024 | Dec 3, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 26, 2024 |
| 8-K |
Current report
Other events
|
Nov 12, 2024 | Nov 11, 2024 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 1, 2024 | Oct 29, 2024 |
| 4 | Insider transaction | Aug 9, 2024 | Aug 8, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 6, 2024 |
| 10-Q | Quarterly report | Aug 2, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Listing notice
|
Aug 2, 2024 | Aug 2, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 24, 2024 | May 23, 2024 |
| 10-Q | Quarterly report | May 3, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 3, 2024 | May 3, 2024 |
| ARS | Annual report to shareholders | Apr 9, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 9, 2024 | — |
| DEF 14A | Proxy statement | Apr 9, 2024 | May 23, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 27, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| S-8 | Employee stock plan registration | Mar 1, 2024 | — |
| 10-K | Annual report | Mar 1, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 8-K |
Current report
Listing notice
|
Feb 2, 2024 | Feb 2, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jan 10, 2024 | Jan 10, 2024 |
| 424B3 | Prospectus | Dec 28, 2023 | — |
| EFFECT | Filing | Dec 26, 2023 | — |
| CORRESP | Letter to the SEC | Dec 21, 2023 | — |
| UPLOAD | Letter from the SEC | Dec 21, 2023 | — |
| S-3 | Shelf registration | Dec 15, 2023 | — |
| 10-Q | Quarterly report | Nov 3, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2023 | Nov 3, 2023 |
| 8-K |
Current report
Other events
|
Sep 26, 2023 | Sep 26, 2023 |
| 8-K |
Current report
Listing notice
|
Sep 19, 2023 | Sep 13, 2023 |
| 4 | Insider transaction | Sep 8, 2023 | Sep 6, 2023 |
| 4 | Insider transaction | Aug 16, 2023 | Aug 15, 2023 |
| 4 | Insider transaction | Aug 10, 2023 | Aug 8, 2023 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2023 | Aug 4, 2023 |
| 4 | Insider transaction | Jul 18, 2023 | Jul 14, 2023 |
| 3 | Initial insider ownership | Jul 18, 2023 | Jul 14, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 18, 2023 | Jul 14, 2023 |
| 4 | Insider transaction | May 18, 2023 | May 17, 2023 |
| UPLOAD | Letter from the SEC | May 17, 2023 | — |
| 10-K/A | Amended annual report | May 15, 2023 | Dec 31, 2022 |
| CORRESP | Letter to the SEC | May 12, 2023 | — |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 8, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 4 | Insider transaction | May 5, 2023 | May 4, 2023 |
| 8-K |
Current report
Results of operations
|
May 5, 2023 | May 5, 2023 |
| S-8 | Employee stock plan registration | May 4, 2023 | — |
| ARS | Annual report to shareholders | May 1, 2023 | Dec 31, 2022 |
| UPLOAD | Letter from the SEC | Apr 10, 2023 | — |
| DEFA14A | Additional proxy material | Mar 21, 2023 | — |
| DEF 14A | Proxy statement | Mar 21, 2023 | May 4, 2023 |
| S-8 | Employee stock plan registration | Mar 14, 2023 | — |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| 10-K | Annual report | Mar 10, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2023 | Mar 3, 2023 |
| 4 | Insider transaction | Feb 15, 2023 | Feb 13, 2023 |
| 4 | Insider transaction | Feb 15, 2023 | Feb 13, 2023 |
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Company profile
- Industry
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- RPID (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Lexington, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1380106
- Former names
- RAPID MICRO BIOSYSTEMS INC (until Jul 15, 2009)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.