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

Reporting relationship: 10%+ Owner
Issuer ticker: RPID
Reported as of: 04 Feb 2026
Net transaction value: -$190,091
SEC form: 4
Accepted by SEC: 06 Feb 2026, 16:26:26 UTC
Prior SEC filing: 03 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Longitude Capital Partners II, LLC, By: /s/ Cristiana Blauth Oliveira, Authorized Signatory

Key filing fact

Longitude Capital Partners II, LLC filed Form 4 for RAPID MICRO BIOSYSTEMS, INC. (RPID) on 06 Feb 2026.

Key facts

This page summarizes Longitude Capital Partners II, LLC's Form 4 filing for RAPID MICRO BIOSYSTEMS, INC. (RPID).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 06 Feb 2026, 16:26.

Change

Previous filing in this sequence was filed on 03 Feb 2026.
Current net transaction value: -$190,091.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (6)

CIK 0001647491 Primary reporting owner

Longitude Capital Partners II, LLC

Relationship: 10%+ Owner
Address: C/O LONGITUDE CAPITAL MANAGEMENT, 2740 SAND HILL ROAD, 2ND FLOOR, MENLO PARK
Signature: /s/ Longitude Capital Partners II, LLC, By: /s/ Cristiana Blauth Oliveira, Authorized Signatory
Signature date: 06 Feb 2026

CIK 0001527510

Longitude Venture Partners II, L.P.

Relationship: 10%+ Owner
Address: 2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK
Signature: /s/ Longitude Venture Partners II, L.P., By: /s/ Cristiana Blauth Oliveira, Authorized Signatory
Signature date: 06 Feb 2026

CIK 0001865779

Longitude Prime Partners, LLC

Relationship: 10%+ Owner
Address: 2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK
Signature: /s/ Longitude Prime Partners, LLC, By: /s/ Cristiana Blauth Oliveira, Authorized Signatory
Signature date: 06 Feb 2026

CIK 0001865844

Longitude Prime Fund, L.P.

Relationship: 10%+ Owner
Address: 2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK
Signature: /s/ Longitude Prime Fund, L.P., By: /s/ Cristiana Blauth Oliveira, Authorized Signatory
Signature date: 06 Feb 2026

CIK 0001253886

ENRIGHT PATRICK G

Relationship: 10%+ Owner
Address: 2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK
Signature: /s/ Cristiana Blauth Oliveira, as attorney-in-fact for Patrick G. Enright
Signature date: 06 Feb 2026

CIK 0001431159

Tammenoms Bakker Juliet

Relationship: 10%+ Owner
Address: 2740 SAND HILL ROAD, SECOND FLOOR, MENLO PARK
Signature: /s/ Cristiana Blauth Oliveira, as attorney-in-fact for Juliet Tammenoms Bakker
Signature date: 06 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RPID transaction

Class A Common Stock

Sale

Transaction value: $190,091
Shares: -49,000
Change %: -100%
Price: $3.88
Shares after: 0
Date: 04 Feb 2026
Ownership: Held by Longitude Prime Fund, L.P.
Footnotes: F1

RPID holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,029,245
Date: 04 Feb 2026
Ownership: Held by Longitude Venture Partners II, L.P.
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Longitude Capital Partners II, LLC is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote 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.

Footnote 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.