---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-000789"
form_type: "8-K"
ticker: "BL"
cik: "0001666134"
company_name: "BLACKLINE, INC."
filed_at: "2023-01-03T23:59:59+00:00"
generated_at: "2026-06-20T20:55:48.132491+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# BlackLine appoints Rios and Yoran to board; Ryan becomes chair, Tucker steps down as executive chair

## Summary
- Brunilda Rios (CAO of Dell) and Amit Yoran (CEO/chairman of Tenable) join BlackLine board effective Jan 1, 2023.
- Owen Ryan elected chair of the board, succeeding Therese Tucker who remains as director and employee.
- Rios receives $40k annual board cash + $10k for Audit Committee; Yoran $40k + $7.5k for Compensation Committee.
- Each new director receives prorated initial equity award with grant date value of $185,000.

## SEC filing metadata
- accession: 0001193125-23-000789
- form_type: 8-K
- ticker: BL
- cik: 0001666134
- company_name: BLACKLINE, INC.
- filed_at: 2023-01-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1666134/000119312523000789/0001193125-23-000789-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1666134/000119312523000789/d444666d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-000789
- JSON: https://secwatch.observer/filing/0001193125-23-000789.json
- Plain text: https://secwatch.observer/filing/0001193125-23-000789.txt

## Key facts
- Executive change
  Amit Yoran was appointed as Director at BLACKLINE, INC..
  - Action: appointed
  - Role: Director
  source text: Effective January 1, 2023, the Board of Directors (the “Board”) of BlackLine, Inc. (the “Company”) appointed Brunilda Rios and Amit Yoran to serve as members of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1666134/000119312523000789/0001193125-23-000789-index.htm
- Executive change
  Owen Ryan changed role as Chair of the Board at BLACKLINE, INC..
  - Action: assumed role of chair
  - Role: Chair of the Board
  source text: In addition, effective January 1, 2023, Therese Tucker transitioned from her role as executive chair of the Company’s Board, and Owen Ryan, who had been serving as lead independent director of the Board, assumed the role of chair of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1666134/000119312523000789/0001193125-23-000789-index.htm
- Executive change
  Therese Tucker changed role as Director at BLACKLINE, INC..
  - Action: transitioned from executive chair
  - Role: Director
  source text: In addition, effective January 1, 2023, Therese Tucker transitioned from her role as executive chair of the Company’s Board, and Owen Ryan, who had been serving as lead independent director of the Board, assumed the role of chair of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1666134/000119312523000789/0001193125-23-000789-index.htm
- Executive change
  Brunilda Rios was appointed as Director at BLACKLINE, INC..
  - Action: appointed
  - Role: Director
  source text: Effective January 1, 2023, the Board of Directors (the “Board”) of BlackLine, Inc. (the “Company”) appointed Brunilda Rios and Amit Yoran to serve as members of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1666134/000119312523000789/0001193125-23-000789-index.htm

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