Company: RPID
Filing Date: 2025-02-28
Form Type: S-8
Source: 0001380106-25-000061
Chunk: 2

Company: RAPID MICRO BIOSYSTEMS, INC.
Filing Date: 2025-02-28
Form: S-8
Chunk 2
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 THE SECTION 10(a) PROSPECTUS</div>

The information called for in Part I of Form S-8 is not being filed with or included in this Registration Statement (by incorporation by reference or otherwise) in accordance with the rules and regulations of the Securities and Exchange Commission (the “Commission”).

# PART II

### INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
| Item 3. |     | Incorporation of Documents by Reference. |

The following documents, which have been filed with the Commission by the Registrant, pursuant to the Securities Act of 1933, as amended (the “Securities Act”), and the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as applicable, are hereby incorporated by reference in, and shall be deemed to be a part of, this Registration Statement:

(a) The Registrant’s Annual Report on Form 10-K for its fiscal year ended December 31, 2024, filed with the Commission on February 28, 2025 (Commission File No. 001-40592).

(b) The description of the Registrant’s Common Stock contained in the Registrant’s Registration Statement on Form 8-A (File No. 001-40592) filed with the Commission on July 12, 2021 , including any amendments or reports filed for the purpose of updating such description, including Exhibit 4.7 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 2023, as filed with the Commission on March 1, 2024.

All documents subsequently filed by the Registrant pursuant to Sections 13(a), 13(c), 14, and 15(d) of the Exchange Act subsequent to the date of this Registration Statement and prior to the filing of a post-effective amendment to this Registration Statement which indicates that all securities offered hereby have been sold or which deregisters all such securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of filing of such documents.

Any statement contained in this Registration Statement, in an amendment hereto or in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in any subsequently filed amendment to this Registration Statement or in any document that also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any statement so modified