Sean M. Wirtjes - CHIEF FINANCIAL OFFICER at RAPID MICRO BIOSYSTEMS, INC.

Issuer-level insider activity

Role: Chief Financial Officer
Issuer ticker: RPID on Nasdaq
Entity type: Individual
Source filing history: Open source filing history

Past-year transaction volume for Sean M. Wirtjes in RAPID MICRO BIOSYSTEMS, INC.

Buys

Open market

Shares
Avg price
Total value

Sells

Open market

Shares: -30,761
Avg price: $3.99
Total value: -$122,785

Net

Past year

Shares: -30,761
Share %: -100%
Total value: -$122,785

Reported holdings for Sean M. Wirtjes in RAPID MICRO BIOSYSTEMS, INC.

Form 4 holding CHIEF FINANCIAL OFFICER

RAPID MICRO BIOSYSTEMS, INC.

Security class: Class A Common Stock
Shares / value: 568,981
Estimated value: $1,291,586
Report date: 29 May 2026
Price: $2.27
Ownership: Direct

Form 4 holding CHIEF FINANCIAL OFFICER

RAPID MICRO BIOSYSTEMS, INC.

Security class: Stock Option (Right to Buy)
Shares / value: 193,000
Estimated value
Report date: 11 Feb 2026
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Form 4 holding CHIEF FINANCIAL OFFICER

RAPID MICRO BIOSYSTEMS, INC.

Security class: Series A Warrant (right to buy)
Shares / value: 12,787
Estimated value
Report date: 29 May 2026
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Form 4 holding CHIEF FINANCIAL OFFICER

RAPID MICRO BIOSYSTEMS, INC.

Security class: Series B Warrant (right to buy)
Shares / value: 12,787
Estimated value
Report date: 29 May 2026
Price
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount

Transaction history for Sean M. Wirtjes in RAPID MICRO BIOSYSTEMS, INC.

Sym	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares after	Date	Ownership

^* marks a reported price that did not pass the local price check.

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