---
schema_version: "secwatch.filing_event.v1"
accession: "0001660280-25-000002"
form_type: "8-K"
ticker: "TENB"
cik: "0001660280"
company_name: "Tenable Holdings, Inc."
filed_at: "2025-01-06T23:59:59+00:00"
generated_at: "2026-05-28T10:51:11.353054+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Tenable CEO Amit Yoran passes away; Co-CEOs appointed; Q4 guidance affirmed

## Summary
- CEO & Chairman Amit Yoran died Jan. 3, 2025 after battling cancer; had been on medical leave since Dec. 5, 2024.
- Board appointed CFO Steve Vintz and COO Mark Thurmond as interim Co-CEOs; Art Coviello named Chairman.
- Company expects to meet or exceed Q4 and full-year 2024 financial guidance provided on Oct. 30, 2024.
- Board will conduct a CEO search including both internal and external candidates.

## SEC filing metadata
- accession: 0001660280-25-000002
- form_type: 8-K
- ticker: TENB
- cik: 0001660280
- company_name: Tenable Holdings, Inc.
- filed_at: 2025-01-06T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/tenb-20250103.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001660280-25-000002
- JSON: https://secwatch.observer/filing/0001660280-25-000002.json
- Plain text: https://secwatch.observer/filing/0001660280-25-000002.txt

## Key facts
- Executive change
  Arthur W. Coviello, Jr. was appointed as Chairman of the Board at Tenable Holdings, Inc..
  - Action: appointed
  - Role: Chairman of the Board
  source text: the Board appointed Arthur W. Coviello, Jr., the Board’s lead independent director, to serve as Chairman of the Board
  evidence_url: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm
- Executive change
  Stephen A. Vintz was appointed as Co-Chief Executive Officer at Tenable Holdings, Inc..
  - Action: appointed
  - Role: Co-Chief Executive Officer
  source text: the Board of Directors appointed Stephen A. Vintz, the Company’s Chief Financial Officer, and Mark Thurmond, the Company’s Chief Operating Officer, to serve as Co-Chief Executive Officers
  evidence_url: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm
- Executive change
  Amit Yoran departed as Chief Executive Officer at Tenable Holdings, Inc..
  - Action: passed away
  - Role: Chief Executive Officer
  source text: On January 4, 2025, the Company announced with deep sadness that Mr. Yoran had passed away on January 3, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm
- Executive change
  Mark Thurmond was appointed as Co-Chief Executive Officer at Tenable Holdings, Inc..
  - Action: appointed
  - Role: Co-Chief Executive Officer
  source text: the Board of Directors appointed Stephen A. Vintz, the Company’s Chief Financial Officer, and Mark Thurmond, the Company’s Chief Operating Officer, to serve as Co-Chief Executive Officers
  evidence_url: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000002/0001660280-25-000002-index.htm

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