Robert G. Spignesi Jr. - 19 Feb 2026 Form 4 Insider Report for RAPID MICRO BIOSYSTEMS, INC. (RPID)

Role
PRESIDENT AND CEO, Director
Signature
/s/ Sean M. Wirtjes, Attorney-in-Fact for Robert G. Spignesi, Jr.
Issuer symbol
RPID
Transactions as of
19 Feb 2026
Net transactions value
-$148,912
Form type
4
Filing time
20 Feb 2026, 19:17:11 UTC
Previous filing
13 Feb 2026
Next filing
12 Mar 2026
SEC
View on sec.gov

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. 20 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 $148,912 -38,327 -3.1% $3.89 1,187,770 19 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.