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

OverviewForecastEarningsRevenueDividendOwnership

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
Sean M. WirtjesCHIEF FINANCIAL OFFICER2026-03-117,480$4.32
$32.30kSell
John J. Addington WilsonCHIEF OPERATING OFFICER2026-03-119,603$4.32
$41.47kSell

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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$5.42MInsider
Bain Capital Life Sciences Investors LLC16.82%8,434,560$5.41MInsider
Longitude Capital Partners II LLC8.16%4,093,159$2.62MInsider
David Hirsch6.82%3,422,252$2.19MInsider
Kennedy Lewis Management LP5.79%2,904,490$1.86MInsider
Richard S. Kollender3.22%1,614,835$1.04MInsider
Robert G. Spignesi Jr.2.38%1,191,973$764.05kInsider
Sean M. Wirtjes1.13%568,981$364.72kInsider
John J. Addington Wilson0.63%316,762$203.04kInsider
Gurinder Grewal0.59%294,990$189.09kInsider

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RPID vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RPID0.03%63.83%Net Buying
ELUT0.03%90.31%Net BuyingNet Selling
TELA0.06%68.87%Net BuyingNet Buying
XTNT0.04%99.96%Net SellingNet Selling
QTI0.02%99.98%Net Buying
View Top Medical Device Stocks

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 $6.17M.

If you're new to stock investing, here's how to buy Rapid Micro Biosystems stock.
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