SI ▼ -2.9% - Shoulder Innovations, Inc. $SI - Shoulder Innovations Receives FDA 510(k) Clearance for N-22 Humeral Head and Initiates Full Commercial Launch Shoulder Innovations received FDA 510(k) clearance for its N-22 Humeral Head device and announced the initiation of full commercial launch, yet the stock declined 2.9% today, suggesting investors may have been disappointed by the timing of the announcement or had higher expectations for either the clearance scope or commercial readiness details. 10-SEP-2026 04:06 PM ET