<SEC-DOCUMENT>0001104659-21-123228-index.html : 20211005
<SEC-HEADER>0001104659-21-123228.hdr.sgml : 20211005
<ACCEPTANCE-DATETIME>20211005175216
ACCESSION NUMBER:		0001104659-21-123228
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211001
FILED AS OF DATE:		20211005
DATE AS OF CHANGE:		20211005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KEYS RICHARD A
		CENTRAL INDEX KEY:			0001886207

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40592
		FILM NUMBER:		211308044

	MAIL ADDRESS:	
		STREET 1:		C/O RAPID MICRO BIOSYSTEMS INC
		STREET 2:		1001 PAWTUCKET BOULEVARD, SUITE 280
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01854

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RAPID MICRO BIOSYSTEMS, INC.
		CENTRAL INDEX KEY:			0001380106
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY ANALYTICAL INSTRUMENTS [3826]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1001 PAWTUCKET BLVD.
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01854
		BUSINESS PHONE:		978-349-3200

	MAIL ADDRESS:	
		STREET 1:		1001 PAWTUCKET BLVD.
		CITY:			LOWELL
		STATE:			MA
		ZIP:			01854

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RAPID MICRO BIOSYSTEMS INC
		DATE OF NAME CHANGE:	20061103
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>tm2129262-1_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm2129262-1_3seq1.html

Document 1 - RAW XML: tm2129262-1_3seq1.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm2129262d1_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
Document 2 - file: tm2129262d1_ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>