Jeffrey Schwartz - May 23, 2024 Form 4 Insider Report for RAPID MICRO BIOSYSTEMS, INC. (RPID)

Role: Director, 10%+ Owner
Signature: /s/ Jeffrey Schwartz
Stock symbol: RPID
Transactions as of: May 23, 2024
Transactions value $: $0
Form type: 4
Date filed: 5/28/2024, 04:59 PM
Previous filing: May 25, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RPID	Class A Common Stock	Award	$0	+14.3K		$0.00	14.3K	May 23, 2024	Direct	F1
holding	RPID	Class A Common Stock						8.43M	May 23, 2024	See footnotes	F3, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RPID	Stock Option (Right to Buy)	Award	$0	+28.7K		$0.00	28.7K	May 23, 2024	Class A Common Stock	28.7K	$0.82	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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	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.
F3	Represents shares of Class A Common Stock held directly by Bain Capital Life Sciences Fund, L.P. ("BCLS Fund I") and BCIP Life Sciences Associates, LP ("BCIPLS" and, together with BCLS Fund I, the "Bain Capital Life Sciences Entities").
F4	Bain Capital Life Sciences Investors, LLC ("BCLSI") is the ultimate general partner of BCLS Fund I and governs the investment strategy and decision-making process with respect to investments held by BCIPLS. Mr. Schwartz is a Partner of BCLSI. By virtue of the relationships described in this footnote, Mr. Schwartz may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Life Sciences Entities. Mr. Schwartz disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.