EX-32.2 9 rpid-20241231xex322.htm EX-32.2
Exhibit 32.2
CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of Rapid Micro Biosystems, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2024 (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, I, the undersigned, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:
(1)The Report fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and
(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 28, 2025 | By: | /s/ Sean Wirtjes
| Name: | Sean Wirtjes
| Title: | Chief Financial Officer
|  | (principal financial officer and principal accounting officer)