Wilson John J. Addington plan to sell securities of RAPID MICRO BIOSYSTEMS, INC. under Form 144

Wilson John J. Addington filed Form 144 to notify SEC of plan to sell 5000 units of RAPID MICRO BIOSYSTEMS, INC. securities around 2026-06-10, with aggregate market value of $9,349.00. The total outstanding units is 41669673.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 03/11/2026, sold 9603 units for $41466.71;