8-K current report · filed Apr 27, 2026

SHOULDER INNOVATIONS, INC. (SI) 8-K Current Report: April 27, 2026

Item 7.01Item EX-99.1SI overview

Short answer

SHOULDER INNOVATIONS, INC. (SI) filed an 8-K current report with the SEC on April 27, 2026 reporting Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.1). Full commercial launch of InSet™ I-135RFX Humeral Stem announced April 27, 2026.

SHOULDER INNOVATIONS, INC. 8-K event analysis

AI summary of each reported item and its exhibits

Item 7.01 · Regulation FD Disclosure

  • Full commercial launch of InSet™ I-135RFX Humeral Stem announced April 27, 2026
  • Product launch expands Shoulder Innovations’ commercial offering in shoulder arthroplasty
  • Press release details furnished in Exhibit 99.1 for investor review
  • Disclosure furnished under Regulation FD, limiting Section 18 liability and automatic filing incorporation

Item EX-99.1 · Exhibit EX-99.1

  • Full commercial launch of InSet I-135RFX follows successful limited release and expanded FDA 510(k) clearance
  • Product now supports primary, revision, and fracture total shoulder arthroplasty procedures
  • Third I-Series humeral stem addition in three years, expanding SI’s shoulder implant portfolio
  • Broader indications increase addressable surgeon use across anatomic and reverse shoulder procedures
  • Integration with SI’s two-tray instrumentation system supports procedural simplicity and commercial adoption

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