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
Robert G. Spignesi Jr.PRESIDENT AND CEO2026-02-0912,840$3.78
$48.57kSell
Sean M. WirtjesCHIEF FINANCIAL OFFICER2026-02-096,027$3.78
$22.80kSell
John J. Addington WilsonCHIEF OPERATING OFFICER2026-02-094,610$3.78
$17.44kSell
Longitude Capital Partners II LLC10% Owner2026-02-0449,000$3.88
$190.07kSell
Longitude Capital Partners II LLC10% Owner2026-02-0327,500$4.24
$116.66kSell
Longitude Capital Partners II LLC10% Owner2026-02-0227,500$4.25
$116.77kSell
Longitude Capital Partners II LLC10% Owner2026-01-3046,000$4.54
$208.98kSell
Longitude Capital Partners II LLC10% Owner2026-01-23629,032$0.05
$31.45kBuy
Longitude Capital Partners II LLC10% Owner2026-01-237,739$4.06
$31.45kSell
Robert G. Spignesi Jr.PRESIDENT AND CEO2025-10-174,774$3.08
$14.70kSell

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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 Schwartz19.06%8,448,860$34.47MInsider
Bain Capital Life Sciences Investors LLC19.03%8,434,560$34.41MInsider
Bain Capital Life Sciences Investors LLC19.03%8,434,560$34.41MInstitution
Longitude Capital Partners II LLC9.23%4,093,159$16.70MInsider
David Hirsch7.72%3,422,252$13.96MInsider
Kennedy Lewis Management LP6.55%2,904,490$11.85MInsider
Abgwtt Global Life Science Capital Partners GP Ltd4.17%1,848,296$7.54MInstitution
Richard S. Kollender3.59%1,592,027$6.50MInsider
Vanguard Group Inc2.18%965,018$3.94MInstitution
Robert G. Spignesi Jr.2.17%962,097$3.93MInsider

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RPID vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RPID32.01%67.99%Net BuyingNet Buying
PROF36.64%1.94%Net Buying
INGN67.97%30.94%Net SellingNet Selling
LUCD25.53%27.19%Net Buying
ELMD31.32%68.68%Net Selling

Rapid Micro Biosystems Stock Ownership FAQ

Who owns Rapid Micro Biosystems?

Rapid Micro Biosystems (NASDAQ: RPID) is owned by 33.46% institutional shareholders, 71.08% Rapid Micro Biosystems insiders, and 0.00% retail investors. Jeffrey Lawrence Schwartz is the largest individual Rapid Micro Biosystems shareholder, owning 8.45M shares representing 19.06% of the company. Jeffrey Lawrence Schwartz's Rapid Micro Biosystems shares are currently valued at $35.49M.

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