---
schema_version: "secwatch.filing_event.v1"
accession: "0001699350-25-000008"
form_type: "8-K"
ticker: "SI"
cik: "0001699350"
company_name: "SHOULDER INNOVATIONS, INC."
filed_at: "2025-09-09T23:59:59+00:00"
generated_at: "2026-05-17T07:19:15.410325+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Shoulder Innovations Q2 revenue $11M (+33% YoY); FY2025 guidance $42-44M

## Summary
- Q2 net revenue $11.0M, up 33% YoY; gross margin 76.2% (vs 76.9%).
- Net loss $19.2M vs $4.2M loss in Q2 2024, driven by $13.1M fair value charge on warrant liability and purchase option.
- FY2025 revenue guidance $42M-$44M, implying ~33-39% growth over FY2024.
- Raised $115M total gross proceeds from IPO ($75M) and convertible notes ($40M) in July/Aug 2025.
- Appointed Rick Buchholz to board; launched InSet 70 humeral stem product.

## SEC filing metadata
- accession: 0001699350-25-000008
- form_type: 8-K
- ticker: SI
- cik: 0001699350
- company_name: SHOULDER INNOVATIONS, INC.
- filed_at: 2025-09-09T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1699350/000169935025000008/0001699350-25-000008-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1699350/000169935025000008/si-20250909.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001699350-25-000008
- JSON: https://secwatch.observer/filing/0001699350-25-000008.json
- Plain text: https://secwatch.observer/filing/0001699350-25-000008.txt

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