Robert G. Spignesi Jr. - 09 Feb 2026 Form 4 Insider Report for RAPID MICRO BIOSYSTEMS, INC. (RPID)

Signature
/s/ Sean M. Wirtjes, Attorney-in-Fact for Robert G. Spignesi, Jr.
Issuer symbol
RPID
Transactions as of
09 Feb 2026
Net transactions value
-$48,570
Form type
4
Filing time
10 Feb 2026, 18:52:52 UTC
Previous filing
21 Oct 2025
Next filing
13 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Spignesi Robert G. Jr. PRESIDENT AND CEO, Director C/O RAPID MICRO BIOSYSTEMS, INC., 25 HARTWELL AVENUE, LEXINGTON /s/ Sean M. Wirtjes, Attorney-in-Fact for Robert G. Spignesi, Jr. 10 Feb 2026 0001853904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RPID Class A Common Stock Sale $48,570 -12,840 -1.3% $3.78 962,097 09 Feb 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.