Longitude Capital Partners II, LLC - 04 Feb 2026 Form 4 Insider Report for RAPID MICRO BIOSYSTEMS, INC. (RPID)

Role: 10%+ Owner
Signature: /s/ Longitude Capital Partners II, LLC, By: /s/ Cristiana Blauth Oliveira, Authorized Signatory
Issuer symbol: RPID
Transactions as of: 04 Feb 2026
Net transactions value: -$190,091
Form type: 4
Filing time: 06 Feb 2026, 16:26:26 UTC
Previous filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (6)

Name	Relationship	Address	Signature	Signature date	CIK
Longitude Capital Partners II, LLC	10%+ Owner	C/O LONGITUDE CAPITAL MANAGEMENT, 2740 SAND HILL ROAD, 2ND FLOOR, MENLO PARK	/s/ Longitude Capital Partners II, LLC, By: /s/ Cristiana Blauth Oliveira, Authorized Signatory	06 Feb 2026	0001647491
Longitude Venture Partners II, L.P.	10%+ Owner	2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK	/s/ Longitude Venture Partners II, L.P., By: /s/ Cristiana Blauth Oliveira, Authorized Signatory	06 Feb 2026	0001527510
Longitude Prime Partners, LLC	10%+ Owner	2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK	/s/ Longitude Prime Partners, LLC, By: /s/ Cristiana Blauth Oliveira, Authorized Signatory	06 Feb 2026	0001865779
Longitude Prime Fund, L.P.	10%+ Owner	2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK	/s/ Longitude Prime Fund, L.P., By: /s/ Cristiana Blauth Oliveira, Authorized Signatory	06 Feb 2026	0001865844
ENRIGHT PATRICK G	10%+ Owner	2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK	/s/ Cristiana Blauth Oliveira, as attorney-in-fact for Patrick G. Enright	06 Feb 2026	0001253886
Tammenoms Bakker Juliet	10%+ Owner	2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK	/s/ Cristiana Blauth Oliveira, as attorney-in-fact for Juliet Tammenoms Bakker	06 Feb 2026	0001431159

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RPID	Class A Common Stock	Sale	$190,091	-49,000	-100%	$3.88	0	04 Feb 2026	Held by Longitude Prime Fund, L.P.	F1
holding	RPID	Class A Common Stock						4,029,245	04 Feb 2026	Held by Longitude Venture Partners II, L.P.	F2

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

Longitude Capital Partners II, LLC is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	The securities are held directly by Longitude Prime Fund, L.P. ("LPF"). Longitude Prime Partners, LLC ("LPP"), the general partner of LPF, may be deemed to have voting and dispositive power with respect to the shares held by LPF. Mr. Enright and Ms. Tammenoms Bakker are the managing members of LPP and may be deemed to have voting and dispositive power over the shares held by LPF. LPP and each of Mr. Enright and Ms. Tammenoms Bakker disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.
F2	The securities are held directly by LVPII. Longitude Capital Partners II, LLC, ("LCPII"), the general partner of LVPII, may be deemed to have voting and dispositive power with respect to the shares held by LVPII. Patrick G. Enright and Juliet Tammenoms Bakker are the managing members of LCPII and may be deemed to share voting and dispositive power over the shares held by LVPII. Each of LCPII, Mr. Enright and Ms. Tammenoms Bakker disclaim beneficial ownership of such securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

Content

The securities are held directly by Longitude Prime Fund, L.P. ("LPF"). Longitude Prime Partners, LLC ("LPP"), the general partner of LPF, may be deemed to have voting and dispositive power with respect to the shares held by LPF. Mr. Enright and Ms. Tammenoms Bakker are the managing members of LPP and may be deemed to have voting and dispositive power over the shares held by LPF. LPP and each of Mr. Enright and Ms. Tammenoms Bakker disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

The securities are held directly by LVPII. Longitude Capital Partners II, LLC, ("LCPII"), the general partner of LVPII, may be deemed to have voting and dispositive power with respect to the shares held by LVPII. Patrick G. Enright and Juliet Tammenoms Bakker are the managing members of LCPII and may be deemed to share voting and dispositive power over the shares held by LVPII. Each of LCPII, Mr. Enright and Ms. Tammenoms Bakker disclaim beneficial ownership of such securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.