Rapid Micro Biosystems, Inc.

NasdaqCM:RPID Stock Report

Market Cap: US$85.0m

Rapid Micro Biosystems Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:RPID Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
11 Mar 26SellUS$41,467John J. WilsonIndividual9,603US$4.32
11 Mar 26SellUS$32,299Sean WirtjesIndividual7,480US$4.32
10 Mar 26SellUS$73,686Robert SpignesiIndividual17,922US$4.11
20 Feb 26SellUS$67,687Sean WirtjesIndividual17,254US$3.92
20 Feb 26SellUS$21,196John J. WilsonIndividual5,403US$3.92
19 Feb 26SellUS$148,912Robert SpignesiIndividual38,327US$3.89
09 Feb 26SellUS$17,438John J. WilsonIndividual4,610US$3.78
09 Feb 26SellUS$48,570Robert SpignesiIndividual12,840US$3.78
09 Feb 26SellUS$22,798Sean WirtjesIndividual6,027US$3.78
04 Feb 26SellUS$190,091Longitude Capital Management Co., LLCCompany49,000US$3.88

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of RPID?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,512,9753.06%
Institutions10,453,93721.2%
VC/PE Firms11,180,61422.6%
General Public26,272,12153.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 45.26% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
15.5%
Bain Capital Life Sciences Investors, LLC
7,651,369US$13.2m-9.29%0.9%
7.14%
Longitude Capital Management Co., LLC
3,529,245US$6.1m-0.81%0.44%
4.57%
Endeavour Vision SA
2,257,099US$3.9m0%2.28%
3.74%
Ally Bridge Group
1,848,296US$3.2m0%1.17%
1.99%
Vanguard Capital Management, LLC
982,494US$1.7m0%no data
1.79%
Essex Investment Management Company, LLC
883,931US$1.5m1,320%0.2%
1.58%
Bain Capital, LP
783,191US$1.3m0%0.02%
1.31%
Robert Spignesi
645,852US$1.1m2.07%no data
1.12%
Advent International, L.P.
552,377US$950.1k-4.4%no data
0.88%
Evernest Financial Advisors LLC
432,510US$743.9k246%0.15%
0.71%
Sean Wirtjes
348,438US$599.3k3.85%no data
0.58%
SEI Investments Company
284,816US$489.9k204%no data
0.57%
Millennium Management LLC
283,280US$487.2k143%no data
0.56%
Legato Capital Management, LLC
274,924US$472.9k1,770%0.04%
0.5%
Geode Capital Management, LLC
247,177US$425.1k13.6%no data
0.43%
Susquehanna International Group, LLP
212,114US$364.8k23.1%no data
0.42%
John J. Wilson
208,364US$358.4k61.7%no data
0.32%
BlackRock, Inc.
157,232US$270.4k0.36%no data
0.27%
Jane Street Group, LLC
132,925US$228.6k26.2%no data
0.26%
Renaissance Technologies LLC
126,617US$217.8k9.5%no data
0.24%
683 Capital Management, LLC
120,773US$207.7k0%0.02%
0.22%
Richard Kollender
111,018US$190.9k14.8%no data
0.22%
Vanguard Fiduciary Trust Company
109,712US$188.7k0%no data
0.19%
State Street Global Advisors, Inc.
93,874US$161.5k2.62%no data
0.18%
Dimensional Fund Advisors LP
87,589US$150.7k55.9%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/09 21:29
End of Day Share Price 2026/07/09 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Rapid Micro Biosystems, Inc. is covered by 6 analysts. 4 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Tycho PetersonJ.P. Morgan
Paul KnightKeyBanc Capital Markets Inc.
Thomas FlatenLake Street Capital Markets, LLC