NASDAQ: RPID
Rapid Micro Biosystems Inc Stock Ownership - Who owns Rapid Micro Biosystems?

Insider buying vs selling

Have Rapid Micro Biosystems Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Richard S. KollenderDirector2026-07-241,827$0.75
$1.37kBuy
Richard S. KollenderDirector2026-07-241,681$0.75
$1.26kBuy
Robert G. Spignesi Jr.CEO;Pres2026-07-221,402$0.75
$1.05kBuy
Sean M. WirtjesCHIEF FINANCIAL OFFICER2026-05-2912,787$1.96
$25.00kBuy
Inese LowensteinDirector2026-05-2912,787$1.96
$25.00kBuy
Kirk MalloyDirector2026-05-2912,787$1.96
$25.00kBuy
Melinda Litherland PeiDirector2026-05-2912,787$1.96
$25.00kBuy
Robert G. Spignesi Jr.PRESIDENT AND CEO2026-05-2912,787$1.96
$25.00kBuy
John J. Addington WilsonCHIEF OPERATING OFFICER2026-03-119,603$4.32
$41.47kSell
Sean M. WirtjesCHIEF FINANCIAL OFFICER2026-03-117,480$4.32
$32.30kSell

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Net Insider Buy/Sell (L12M) Ownership

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RPID Shareholders

What type of owners hold Rapid Micro Biosystems Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jeffrey Lawrence Schwartz16.84%8,448,860$9.63MInsider
Bain Capital Life Sciences Investors LLC16.82%8,434,560$9.62MInsider
Longitude Capital Partners II LLC8.16%4,093,159$4.67MInsider
David Hirsch6.82%3,422,252$3.90MInsider
Kennedy Lewis Management LP5.79%2,904,490$3.31MInsider
Richard S. Kollender3.22%1,614,835$1.84MInsider
Robert G. Spignesi Jr.2.38%1,191,973$1.36MInsider
Sean M. Wirtjes1.13%568,981$648.64kInsider
John J. Addington Wilson0.63%316,762$361.11kInsider
Gurinder Grewal0.59%294,990$336.29kInsider

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RPID vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RPID0.03%63.83%Net BuyingNet Buying
COCH0.02%42.79%Net Buying
MDAI0.01%44.19%Net BuyingNet Buying
OM0.07%57.08%Net BuyingNet Selling
TELA0.06%68.79%Net BuyingNet Buying

Rapid Micro Biosystems Stock Ownership FAQ

Who owns Rapid Micro Biosystems?

Rapid Micro Biosystems (NASDAQ: RPID) is owned by 0.03% institutional shareholders, 63.83% Rapid Micro Biosystems insiders, and 36.14% retail investors. Jeffrey Lawrence Schwartz is the largest individual Rapid Micro Biosystems shareholder, owning 8.45M shares representing 16.84% of the company. Jeffrey Lawrence Schwartz's Rapid Micro Biosystems shares are currently valued at $9.38M.

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