---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-069178"
form_type: "8-K"
ticker: "BL"
cik: "0001666134"
company_name: "BLACKLINE, INC."
filed_at: "2023-03-13T23:59:59+00:00"
generated_at: "2026-06-18T04:32:51.177085+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "low"
source: SEC EDGAR
---

# BlackLine adopts amended bylaws for Co-CEO structure effective March 9, 2023

## Summary
- Board approved Amended and Restated Bylaws effective March 9, 2023.
- Amendments address roles of Chair of the Board and Lead Independent Director.
- Bylaws now provide for the possibility of Co-Chief Executive Officers.
- Full text of amended bylaws filed as Exhibit 3.1.
- No specific appointments or changes to current leadership disclosed.

## SEC filing metadata
- accession: 0001193125-23-069178
- form_type: 8-K
- ticker: BL
- cik: 0001666134
- company_name: BLACKLINE, INC.
- filed_at: 2023-03-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: low
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1666134/000119312523069178/0001193125-23-069178-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1666134/000119312523069178/d451960d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-069178
- JSON: https://secwatch.observer/filing/0001193125-23-069178.json
- Plain text: https://secwatch.observer/filing/0001193125-23-069178.txt

## Key facts
- Governance Changes
  BLACKLINE, INC.: Amended Bylaws to incorporate changes related to roles of Chair of the Board and Lead Independent Director and to provide for Co-Chief Executive Officers (effective 2023-03-09).
  - Change: bylaw amendment
  - Effective: 2023-03-09
  source text: On March 9, 2023, the Board of Directors (the “Board”) of BlackLine, Inc. (the “Company”) approved the Company’s Amended and Restated Bylaws (the “Amended Bylaws”), effective as of such date. The Amended Bylaws incorporate certain amendments related to the roles of the Chair of the Board and Lead Independent Director and provide for Co-Chief Executive Officers.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1666134/000119312523069178/0001193125-23-069178-index.htm

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