---
schema_version: "secwatch.filing_event.v1"
accession: "0001660280-23-000147"
form_type: "8-K"
ticker: "TENB"
cik: "0001660280"
company_name: "Tenable Holdings, Inc."
filed_at: "2023-11-15T23:59:59+00:00"
generated_at: "2026-06-08T02:30:08.636826+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Tenable Holdings amends bylaws to update advance notice and universal proxy rules

## Summary
- Bylaw amendments require stockholders soliciting proxies to use a proxy card color other than white, reserving white for the Board.
- Nominating stockholders must represent compliance with Rule 14a-19 and provide evidence of satisfying its requirements.
- Non-compliant nominations may be disregarded even if included in proxy materials; votes for such nominees will be voided.
- Additional disclosures required for nominees, including voting commitments, compensation arrangements, and compliance with corporate policies.
- Technical updates made to indemnification provisions and other changes to conform with Delaware General Corporation Law.

## SEC filing metadata
- accession: 0001660280-23-000147
- form_type: 8-K
- ticker: TENB
- cik: 0001660280
- company_name: Tenable Holdings, Inc.
- filed_at: 2023-11-15T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1660280/000166028023000147/0001660280-23-000147-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1660280/000166028023000147/tenb-20231114.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001660280-23-000147
- JSON: https://secwatch.observer/filing/0001660280-23-000147.json
- Plain text: https://secwatch.observer/filing/0001660280-23-000147.txt

## Key facts
- Governance Changes
  Tenable Holdings, Inc.: Adopted Second Amended and Restated Bylaws updating advance notice provisions for universal proxy rules, proxy card color, indemnification, and other technical changes (effective 2023-11-14).
  - Change: bylaw amendment
  - Effective: 2023-11-14
  source text: On November 14, 2023, the board of directors (the “Board”) of Tenable Holdings, Inc. (the “Company”) adopted the Second Amended and Restated Bylaws of the Company (the “Second Amended and Restated Bylaws”), which became effective immediately and amended and restated the Company’s prior Amended and Restated Bylaws (the “Prior Bylaws”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1660280/000166028023000147/0001660280-23-000147-index.htm

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