---
schema_version: "secwatch.filing_event.v1"
accession: "0001660280-21-000164"
form_type: "8-K"
ticker: "TENB"
cik: "0001660280"
company_name: "Tenable Holdings, Inc."
filed_at: "2021-10-26T23:59:59+00:00"
generated_at: "2026-06-28T18:03:27.776826+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Tenable Q3 rev $138.7M (+23%); GAAP loss $16.2M; adds 499 enterprise customers; FedRAMP nod

## Summary
- Revenue $138.7M (+23% YoY); calculated current billings $166.9M (+25% YoY).
- GAAP net loss $16.2M ($0.15 loss per share) vs loss $5.9M in Q3 2020; non-GAAP net income $8.1M.
- Added 499 new enterprise platform customers and 62 net new six-figure customers.
- Completed acquisition of cloud-native security company Accurics in October 2021.
- Q4 guidance: revenue $143-145M, non-GAAP EPS $0.02-$0.03; full-year rev $535-537M, non-GAAP EPS $0.30-0.31.

## SEC filing metadata
- accession: 0001660280-21-000164
- form_type: 8-K
- ticker: TENB
- cik: 0001660280
- company_name: Tenable Holdings, Inc.
- filed_at: 2021-10-26T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1660280/000166028021000164/0001660280-21-000164-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1660280/000166028021000164/tenb-20211026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001660280-21-000164
- JSON: https://secwatch.observer/filing/0001660280-21-000164.json
- Plain text: https://secwatch.observer/filing/0001660280-21-000164.txt

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