RAPID MICRO BIOSYSTEMS, INC. — Director's Dealing 2023

May 5, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RAPID MICRO BIOSYSTEMS, INC. (RPID)
CIK: 0001380106
Period of Report: 2023-05-04

Reporting Person: LOWENSTEIN INESE (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-04	Stock Option (Right to Buy)	$0.8705	A	25000	Acquired	2033-05-03	Class A Common Stock (25000.0)	Direct

Footnotes

F1: The option shall vest and become exercisable in full on the earlier of (i) the first anniversary of the Grant Date, or (ii) the day immediately prior to the date of the next annual meeting of the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date.