---
schema_version: "secwatch.filing_event.v1"
accession: "0001459839-21-000059"
form_type: "8-K"
ticker: "SIBN"
cik: "0001459839"
company_name: "SI-BONE, Inc."
filed_at: "2021-11-08T23:59:59+00:00"
generated_at: "2026-06-28T11:24:32.345846+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# SI-BONE Q3 record revenue $22.3M (+9% YoY); net loss $15.9M; FY21 guidance $89-90M

## Summary
- Q3 worldwide revenue $22.3M, up 9% YoY; U.S. revenue $20.4M (+8%), international $1.9M (+31%).
- Gross margin improved to 89% (87% YoY); operating loss widened to $13.2M from $8.7M.
- Net loss $15.9M ($0.48/sh) vs $9.5M ($0.33/sh); includes $1.8M debt extinguishment costs.
- Received UnitedHealthcare exclusive iFuse coverage for SI Joint Fusion, covering ~160M U.S. lives.
- FY2021 revenue guidance updated to ~$89-90M (21-23% growth); cash and securities $160.9M.

## SEC filing metadata
- accession: 0001459839-21-000059
- form_type: 8-K
- ticker: SIBN
- cik: 0001459839
- company_name: SI-BONE, Inc.
- filed_at: 2021-11-08T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1459839/000145983921000059/0001459839-21-000059-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1459839/000145983921000059/sibn-20211108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001459839-21-000059
- JSON: https://secwatch.observer/filing/0001459839-21-000059.json
- Plain text: https://secwatch.observer/filing/0001459839-21-000059.txt

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