RAPID MICRO BIOSYSTEMS, INC. — Director's Dealing 2021

Oct 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RAPID MICRO BIOSYSTEMS, INC. (RPID)
CIK: 0001380106
Period of Report: 2021-10-01

Reporting Person: KEYS RICHARD A (CHIEF COMMERCIAL OFFICER)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-10-01	Stock Option	$18.43	A	180000	Acquired	2031-10-01	Class A Common Stock (180000)	Direct

Footnotes

F1: The option vests and becomes exercisable as to 25% of the underlying shares on October 1, 2022 and in 36 substantially equal
monthly installments thereafter.