RAPID MICRO BIOSYSTEMS, INC. — Director's Dealing 2026

Feb 13, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RAPID MICRO BIOSYSTEMS, INC. (RPID)
CIK: 0001380106
Period of Report: 2026-02-11

Reporting Person: Wilson John J. Addington (CHIEF OPERATING OFFICER)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-11	Class A Common Stock	A	74000	—	Acquired	331768	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-11	Stock Option (Right to Buy)	$4.20	A	147000	Acquired	2036-02-10	Class A Common Stock (147000)	Direct

Footnotes

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.