John J. Addington Wilson - 11 Mar 2026 Form 4 Insider Report for RAPID MICRO BIOSYSTEMS, INC. (RPID)

Role
CHIEF OPERATING OFFICER
Signature
/s/ Sean M. Wirtjes, Attorney-in-Fact for John J. Addington Wilson
Issuer symbol
RPID
Transactions as of
11 Mar 2026
Net transactions value
-$41,467
Form type
4
Filing time
12 Mar 2026, 19:53:23 UTC
Previous filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wilson John J. Addington CHIEF OPERATING OFFICER C/O RAPID MICRO BIOSYSTEMS, INC., 25 HARTWELL AVENUE, LEXINGTON /s/ Sean M. Wirtjes, Attorney-in-Fact for John J. Addington Wilson 12 Mar 2026 0001872301

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RPID Class A Common Stock Sale $41,467 -9,603 -2.9% $4.32 316,762 11 Mar 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the automatic sale of stock to cover the associated tax obligations with the vesting of restricted stock units.