---
schema_version: "secwatch.filing_event.v1"
accession: "0001660280-25-000007"
form_type: "8-K"
ticker: "TENB"
cik: "0001660280"
company_name: "Tenable Holdings, Inc."
filed_at: "2025-01-29T23:59:59+00:00"
generated_at: "2026-05-27T06:56:56.782075+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Tenable to acquire Vulcan Cyber for ~$150M cash and RSUs to boost exposure management

## Summary
- Total consideration of ~$150M: $147M in cash plus $3M in RSUs vesting over a future period.
- Acquisition expected to close in Q1 2025, subject to customary closing conditions.
- Vulcan Cyber is an exposure management innovator; capabilities will augment Tenable One platform.
- Tenable plans to expand Tenable One with enhanced visibility, risk prioritization, and automated remediation.

## SEC filing metadata
- accession: 0001660280-25-000007
- form_type: 8-K
- ticker: TENB
- cik: 0001660280
- company_name: Tenable Holdings, Inc.
- filed_at: 2025-01-29T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000007/0001660280-25-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1660280/000166028025000007/tenb-20250129.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001660280-25-000007
- JSON: https://secwatch.observer/filing/0001660280-25-000007.json
- Plain text: https://secwatch.observer/filing/0001660280-25-000007.txt

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