---
schema_version: "secwatch.filing_event.v1"
accession: "0001660280-24-000176"
form_type: "8-K"
ticker: "TENB"
cik: "0001660280"
company_name: "Tenable Holdings, Inc."
filed_at: "2024-12-05T23:59:59+00:00"
generated_at: "2026-05-29T07:18:07.402768+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Tenable CEO Amit Yoran begins medical leave; CFO Vintz and COO Thurmond named interim co-CEOs

## Summary
- CEO Amit Yoran on temporary medical leave from Dec 5, 2024 for cancer treatment; remains Chairman.
- Board appoints CFO Stephen Vintz and COO Mark Thurmond as interim Co-CEOs; Vintz serves as principal executive officer.
- Yoran announced treatable cancer diagnosis in April 2024; now requires additional treatment.
- Vintz and Thurmond continue in their CFO and COO roles during the interim period.
- No change to financial guidance or operations announced in connection with the leadership transition.

## SEC filing metadata
- accession: 0001660280-24-000176
- form_type: 8-K
- ticker: TENB
- cik: 0001660280
- company_name: Tenable Holdings, Inc.
- filed_at: 2024-12-05T23:59:59+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/1660280/000166028024000176/0001660280-24-000176-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1660280/000166028024000176/tenb-20241202.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001660280-24-000176
- JSON: https://secwatch.observer/filing/0001660280-24-000176.json
- Plain text: https://secwatch.observer/filing/0001660280-24-000176.txt

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