---
schema_version: "secwatch.filing_event.v1"
accession: "0001459839-23-000095"
form_type: "8-K"
ticker: "SIBN"
cik: "0001459839"
company_name: "SI-BONE, Inc."
filed_at: "2023-09-20T23:59:59+00:00"
generated_at: "2026-06-10T11:57:35.719821+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# SI-BONE amends bylaws to align with SEC Universal Proxy Rules

## Summary
- Board adopted Second Amended and Restated Bylaws on September 19, 2023, effective immediately.
- Amendments enhance disclosure and procedural requirements for stockholder director nominations and proposals.
- Addresses SEC's Universal Proxy Rules, including use of universal proxy cards and solicitations.
- Reserves white proxy card for Board's exclusive use; requires compliance with Rule 14a-19.
- Also includes technical, conforming, and clarifying changes.

## SEC filing metadata
- accession: 0001459839-23-000095
- form_type: 8-K
- ticker: SIBN
- cik: 0001459839
- company_name: SI-BONE, Inc.
- filed_at: 2023-09-20T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1459839/000145983923000095/0001459839-23-000095-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1459839/000145983923000095/sibn-20230919.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001459839-23-000095
- JSON: https://secwatch.observer/filing/0001459839-23-000095.json
- Plain text: https://secwatch.observer/filing/0001459839-23-000095.txt

## Key facts
- Governance Changes
  SI-BONE, Inc.: Adopted Second Amended and Restated Bylaws to implement Universal Proxy Rules and make technical changes (effective 2023-09-19).
  - Change: bylaw amendment
  - Effective: 2023-09-19
  source text: On September 19, 2023, in connection with the adoption of Rule 14a-19 by the U.S. Securities and Exchange Commission (the "Universal Proxy Rules"), the Board of Directors (the “Board”) of SI-BONE, Inc. (the “Company”) adopted and approved the Company’s Second Amended and Restated Bylaws (as so amended, the “Amended Bylaws”), which became effective upon approval.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1459839/000145983923000095/0001459839-23-000095-index.htm

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