Robert G. Spignesi Jr. - 11 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
11 Feb 2026
Net transactions value
$0
Form type
4
Filing time
13 Feb 2026, 19:33:22 UTC
Previous filing
10 Feb 2026
Next filing
20 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. 13 Feb 2026 0001853904

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RPID Class A Common Stock Award $0 +264,000 +27% $0.000000 1,226,097 11 Feb 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction RPID Stock Option (Right to Buy) Award $0 +528,000 $0.000000 528,000 11 Feb 2026 Class A Common Stock 528,000 $4.20 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Grant of restricted stock units ("RSUs") that vest in three annual installments with 33.4% vesting on the first anniversary of February 11, 2026 (the "grant date") and 33.3% vesting on each of the second and third anniversaries of the grant date provided that the Reporting Person remains in continuous service on each vesting date.
F2 The option vests and becomes exercisable in 48 substantially equal monthly installments with the first installment vesting on March 11, 2026.