---
schema_version: "secwatch.filing_event.v1"
accession: "0001459839-23-000080"
form_type: "8-K"
ticker: "SIBN"
cik: "0001459839"
company_name: "SI-BONE, Inc."
filed_at: "2023-05-08T23:59:59+00:00"
generated_at: "2026-06-15T12:46:16.187149+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# SI-BONE announces public offering of 3.78M shares at $22.00 per share

## Summary
- Offering of 3,775,000 shares at $22.00 each; 3,502,247 from SI-BONE and 272,753 from selling stockholder.
- Underwriters have 30-day option to purchase up to 566,250 additional shares from the company on same terms.
- Offering expected to close May 9, 2023; joint book-runners include BofA, Morgan Stanley, Jefferies.
- Shares listed on Nasdaq; offering made under shelf registration statement on Form S-3 filed May 4, 2023.

## SEC filing metadata
- accession: 0001459839-23-000080
- form_type: 8-K
- ticker: SIBN
- cik: 0001459839
- company_name: SI-BONE, Inc.
- filed_at: 2023-05-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1459839/000145983923000080/0001459839-23-000080-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1459839/000145983923000080/sibn-20230504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001459839-23-000080
- JSON: https://secwatch.observer/filing/0001459839-23-000080.json
- Plain text: https://secwatch.observer/filing/0001459839-23-000080.txt

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