---
schema_version: "secwatch.filing_event.v1"
accession: "0001660280-22-000158"
form_type: "8-K"
ticker: "TENB"
cik: "0001660280"
company_name: "Tenable Holdings, Inc."
filed_at: "2022-09-28T23:59:59+00:00"
generated_at: "2026-06-23T06:59:33.862103+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Tenable appoints VMware CSO Alex Tosheff to board of directors

## Summary
- Alex Tosheff appointed as Class III director effective Sept 28, 2022; serves on audit committee.
- Tosheff receives restricted stock units valued at $400,000, vesting one-third annually over three years.
- Annual compensation: $35,000 board retainer plus $10,000 audit committee retainer, pro-rated for 2022.
- Tosheff brings over 25 years of security leadership; currently CSO at VMware.

## SEC filing metadata
- accession: 0001660280-22-000158
- form_type: 8-K
- ticker: TENB
- cik: 0001660280
- company_name: Tenable Holdings, Inc.
- filed_at: 2022-09-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1660280/000166028022000158/0001660280-22-000158-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1660280/000166028022000158/tenb-20220928.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001660280-22-000158
- JSON: https://secwatch.observer/filing/0001660280-22-000158.json
- Plain text: https://secwatch.observer/filing/0001660280-22-000158.txt

## Key facts
- Executive change
  George Alexander Tosheff was appointed as Director at Tenable Holdings, Inc..
  - Action: appointed
  - Role: Director
  source text: Effective September 28, 2022, the Board of Directors (the “ Board ”) of Tenable Holdings, Inc. (the “ Company ”) appointed George Alexander Tosheff to serve as a director of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1660280/000166028022000158/0001660280-22-000158-index.htm

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