John J. Addington Wilson - 09 Feb 2026 Form 4 Insider Report for RAPID MICRO BIOSYSTEMS, INC. (RPID)

Signature
/s/ Sean M. Wirtjes, Attorney-in-Fact for John J. Addington Wilson
Issuer symbol
RPID
Transactions as of
09 Feb 2026
Net transactions value
-$17,438
Form type
4
Filing time
10 Feb 2026, 18:58:23 UTC
Previous filing
11 Mar 2025
Next filing
13 Feb 2026

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 10 Feb 2026 0001872301

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RPID Class A Common Stock Sale $17,438 -4,610 -1.8% $3.78 257,768 09 Feb 2026 Direct F1, F2
* 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.
F2 Includes 29,904 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2025.