RAPID MICRO BIOSYSTEMS, INC. — Director's Dealing 2024

May 28, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RAPID MICRO BIOSYSTEMS, INC. (RPID)
CIK: 0001380106
Period of Report: 2024-05-23

Reporting Person: Kollender Richard S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-23	Class A Common Stock	A	14300	—	Acquired	31718	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-05-23	Stock Option (Right to Buy)	$0.82	A	28650	Acquired	2034-05-22	Class A Common Stock (28650)	Direct

Footnotes

F1: Grant of restricted stock units ("RSUs") that vests 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.

F2: Includes 17,418 shares of Class A common stock received in pro rata distributions by Quaker Bioventures II, L.P. to its limited partners for no additional consideration, which were exempt from reporting.

F3: 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.