Company Insider Tape

Rapid Micro Biosystems Inc insider transactions

Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.

Symbol RPID Latest filing 24 Jul 2026

Company Read

Net acquisition

RPID has 34 stored insider filings. Acquisitions account for 91.2% of classified filings and disposals account for 8.8%. The largest stored filing is $25.0K from LOWENSTEIN, INESE.

Latest filing 24 Jul 2026most recent stored row
Largest filing $25.0Kreported transaction value
Total filings 34stored transaction rows
Acquisition value $128.7K31 acquisitions
Disposal value $03 disposals
Net value $128.7Kacquisitions minus disposals

Filing cadence

Last 12 active months
May 2026 28
Jul 2026 6

Acquisitions 91.2% · Disposals 8.8%

May 2026 $125.0K
Jul 2026 $3.7K

Executive concentration

By filing count
KOLLENDER, RICHARD S Director · 6 filings
SPIGNESI, ROBERT G. JR. Director, PRESIDENT AND CEO · 5 filings
PEI, MELINDA LITHERLAND Director · 5 filings
LOWENSTEIN, INESE Director · 5 filings
MALLOY, KIRK Director · 5 filings
BAIN, CAPITAL LIFE SCIENCES INVESTORS, LLC 10% Owner · 3 filings
WIRTJES, SEAN M CHIEF FINANCIAL OFFICER · 3 filings
BIKA, DAFNI Director · 2 filings

Market Context

RPID weekly market snapshot

Week 24 Jul 2026
Latest close 1.99 USDstored weekly close
1-week move -3.9%latest weekly bar
13-week move +17.1%medium-term context
Relative Strength -39.3Sharemaestro indicator
Fair value gap +1.7%price vs fair value
Trend signal 0smoothed trend state

Transaction History

Latest insider filings for RPID

Showing 1-30 of 34
Date 24 Jul 2026
Insider KOLLENDER, RICHARD SDirector
Side Acquisition
Shares 1827
Price 0.75
Value 1370
Security Class A Common Stock
Date 24 Jul 2026
Insider KOLLENDER, RICHARD SDirector
Side Acquisition
Shares 1681
Price 0.75
Value 1261
Security Class A Common Stock
Date 24 Jul 2026
Insider KOLLENDER, RICHARD SDirector
Side Disposal
Shares 1827
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 24 Jul 2026
Insider KOLLENDER, RICHARD SDirector
Side Disposal
Shares 1681
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 22 Jul 2026
Insider SPIGNESI, ROBERT G. JR.Director, PRESIDENT AND CEO
Side Acquisition
Shares 1402
Price 0.75
Value 1052
Security Class A Common Stock
Date 22 Jul 2026
Insider SPIGNESI, ROBERT G. JR.Director, PRESIDENT AND CEO
Side Disposal
Shares 1402
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 29 May 2026
Insider LOWENSTEIN, INESEDirector
Side Acquisition
Shares 12787
Price 1.96
Value 24999
Security Class A Common Stock
Date 29 May 2026
Insider MALLOY, KIRKDirector
Side Acquisition
Shares 12787
Price 1.96
Value 24999
Security Class A Common Stock
Date 29 May 2026
Insider PEI, MELINDA LITHERLANDDirector
Side Acquisition
Shares 12787
Price 1.96
Value 24999
Security Class A Common Stock
Date 29 May 2026
Insider SPIGNESI, ROBERT G. JR.Director, PRESIDENT AND CEO
Side Acquisition
Shares 12787
Price 1.96
Value 24999
Security Class A Common Stock
Date 29 May 2026
Insider WIRTJES, SEAN MCHIEF FINANCIAL OFFICER
Side Acquisition
Shares 12787
Price 1.96
Value 24999
Security Class A Common Stock
Date 29 May 2026
Insider LOWENSTEIN, INESEDirector
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series B Warrant (right to buy)
Date 29 May 2026
Insider LOWENSTEIN, INESEDirector
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series A Warrant (right to buy)
Date 29 May 2026
Insider MALLOY, KIRKDirector
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series A Warrant (right to buy)
Date 29 May 2026
Insider MALLOY, KIRKDirector
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series B Warrant (right to buy)
Date 29 May 2026
Insider PEI, MELINDA LITHERLANDDirector
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series A Warrant (right to buy)
Date 29 May 2026
Insider PEI, MELINDA LITHERLANDDirector
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series B Warrant (right to buy)
Date 29 May 2026
Insider SPIGNESI, ROBERT G. JR.Director, PRESIDENT AND CEO
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series B Warrant (right to buy)
Date 29 May 2026
Insider SPIGNESI, ROBERT G. JR.Director, PRESIDENT AND CEO
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series A Warrant (right to buy)
Date 29 May 2026
Insider WIRTJES, SEAN MCHIEF FINANCIAL OFFICER
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series B Warrant (right to buy)
Date 29 May 2026
Insider WIRTJES, SEAN MCHIEF FINANCIAL OFFICER
Side Acquisition
Shares 12787
Price 0.00
Value 0
Security Series A Warrant (right to buy)
Date 21 May 2026
Insider BIKA, DAFNIDirector
Side Acquisition
Shares 38700
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 21 May 2026
Insider BIKA, DAFNIDirector
Side Acquisition
Shares 19300
Price 0.00
Value 0
Security Class A Common Stock
Date 21 May 2026
Insider KOLLENDER, RICHARD SDirector
Side Acquisition
Shares 38700
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 21 May 2026
Insider KOLLENDER, RICHARD SDirector
Side Acquisition
Shares 19300
Price 0.00
Value 0
Security Class A Common Stock
Date 21 May 2026
Insider LOWENSTEIN, INESEDirector
Side Acquisition
Shares 38700
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 21 May 2026
Insider LOWENSTEIN, INESEDirector
Side Acquisition
Shares 19300
Price 0.00
Value 0
Security Class A Common Stock
Date 21 May 2026
Insider MALLOY, KIRKDirector
Side Acquisition
Shares 38700
Price 0.00
Value 0
Security Stock Option (Right to Buy)
Date 21 May 2026
Insider MALLOY, KIRKDirector
Side Acquisition
Shares 19300
Price 0.00
Value 0
Security Class A Common Stock
Date 21 May 2026
Insider PEI, MELINDA LITHERLANDDirector
Side Acquisition
Shares 38700
Price 0.00
Value 0
Security Stock Option (Right to Buy)