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Rapid Micro Biosystems, Inc.

All insiders

19 insiders

InsiderRole% of sharesShares heldLast trade
Longitude Capital Partners II, LLC10% owner8.03%4,029,245Feb 4, 2026
Spignesi Robert G. Jr.PRESIDENT AND CEO · Director2.37%1,190,571May 29, 2026
WIRTJES SEAN MCHIEF FINANCIAL OFFICER1.13%568,981May 29, 2026
Wilson John J. AddingtonCHIEF OPERATING OFFICER0.63%316,762Mar 11, 2026
Kollender Richard SDirector0.26%130,318May 21, 2026
PEI MELINDA LITHERLANDDirector0.20%100,687May 29, 2026
LOWENSTEIN INESEDirector0.14%70,687May 29, 2026
Malloy KirkDirector0.12%60,687May 29, 2026
RICCIARDI NATALE SDirector0.06%29,442Feb 27, 2026
Bika DafniDirector0.04%19,300May 21, 2026
Bain Capital Life Sciences Fund, L.P.10% owner
Bain Capital Life Sciences Investors, LLC10% ownerMay 20, 2026
Bain Capital Life Sciences Partners, LP10% owner
BCIP Life Sciences Associates, LP10% owner
ENRIGHT PATRICK G10% owner
Longitude Prime Fund, L.P.10% owner
Longitude Prime Partners, LLC10% owner
Longitude Venture Partners II, L.P.10% owner
Tammenoms Bakker Juliet10% owner
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