RPID ▼ -4.3% - Rapid Micro Biosystems, Inc. $RPID - Rapid Micro Biosystems to Participate in Upcoming Investor Conferences Rapid Micro Biosystems shares fell 4.3% today despite the company announcing plans to participate in upcoming investor conferences. Conference participation typically provides a platform for management to discuss strategy and updates, though the headline does not specify which events or what announcements may be forthcoming. 04-SEP-2026 04:05 PM ET