RAPID MICRO BIOSYSTEMS, INC.

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Specialized Disclosure Report

Submission of Matters to a Vote of Security Holders

Entry into a Material Definitive Agreement

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

General form for quarterly reports under Section 13 or 15(d)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

Other Events

Specialized Disclosure Report

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Regulation FD Disclosure

Annual report pursuant to Section 13 or 15(d)

Results of Operations and Financial Condition

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Entry into a Material Definitive Agreement

7.01,9.01

2.02,9.01

8.01,9.01

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

2.02,3.01,9.01

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Letter from the SEC

Correspondence with the SEC

Registration statement under Securities Act of 1933

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Annual report pursuant to Section 13 or 15(d) (amendment)

Correspondence with the SEC

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Annual Report Scanned (Paper)

Letter from the SEC

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Registration of Securities on Exchange

General form for quarterly reports under Section 13 or 15(d)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Prospectus Supplement with Pricing Information

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

No description available

Notice of Effectiveness

Certification of approval for listing and registration on a national securities exchange

No description available

Correspondence with the SEC

Correspondence with the SEC

Amended Initial Registration Statement

Registration of Securities on Exchange

Correspondence with the SEC

Registration (IPO) statement under Securities Act of 1933

Letter from the SEC

No description available

Draft registration statement (confidential submission) (amendment)

No description available

06b

Spignesi Robert G. Jr.

Kollender Richard S

Wilson John J. Addington

Wilson John J. Addington

Wilson John J. Addington

Wilson John J. Addington

PEI MELINDA LITHERLAND

WIRTJES SEAN M

Malloy Kirk

Spignesi Robert G. Jr.

LOWENSTEIN INESE

PEI MELINDA LITHERLAND

Bika Dafni

LOWENSTEIN INESE

Malloy Kirk

Kollender Richard S

BCIP Life Sciences Associates, LP; Bain Capital Life Sciences Fund, L.P.; Bain Capital Life Sciences Investors, LLC; Bain Capital Life Sciences Partners, LP