---
schema_version: "secwatch.filing_event.v1"
accession: "0001699350-26-000033"
form_type: "8-K"
ticker: "SI"
cik: "0001699350"
company_name: "SHOULDER INNOVATIONS, INC."
filed_at: "2026-05-13T20:08:18+00:00"
generated_at: "2026-05-13T20:10:17.763317+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Shoulder Innovations Q1 revenue up 65% to $16.7M, raises FY2026 guidance to $65-68M

## Summary
- Net revenue $16.7M (+65% YoY); implant systems sold 2,184 (+51%); gross margin 77.7%.
- Raised FY2026 net revenue guidance to $65-68M from $62-65M, representing 37-44% YoY growth.
- Operating loss $9.0M, net loss $8.4M; adjusted EBITDA loss $7.0M; cash and marketable securities $108.5M.
- Full commercial launch of InSet I-135RFX Humeral Stem after FDA clearance for additional fracture indications.

## SEC filing metadata
- accession: 0001699350-26-000033
- form_type: 8-K
- ticker: SI
- cik: 0001699350
- company_name: SHOULDER INNOVATIONS, INC.
- filed_at: 2026-05-13T20:08:18+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1699350/000169935026000033/0001699350-26-000033-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1699350/000169935026000033/si-20260513.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001699350-26-000033
- JSON: https://secwatch.observer/filing/0001699350-26-000033.json
- Plain text: https://secwatch.observer/filing/0001699350-26-000033.txt

## Key facts
- Earnings Releases
  SHOULDER INNOVATIONS, INC. reported the first quarter ended March 31, 2026 results: revenue $16.7 million, net income $8.4 million. Guidance raised.
  - Period: the first quarter ended March 31, 2026
  - Revenue: $16.7 million
  - Net income: $8.4 million
  - Guidance: raised
  - Result: reported results
  source text: the shoulder surgical care market, today reported financial results for the first quarter ended March 31, 2026. First Quarter Financial Highlights • Generated net revenue of $16.7 million in the first quarter, a 65% increase over the first quarter of 2025 • Achieved gross margin of 77.7% for the first quarter compared to 76.9% for the first quarter of 2025 •
  evidence_url: https://www.sec.gov/Archives/edgar/data/1699350/000169935026000033/0001699350-26-000033-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.