Tenable Holdings, Inc. (TENB) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 2.25% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
120M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

TENB currently has 116M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 2.25% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 05, 2026

10-Q filing | 115.9M shares outstanding

120M 0
Nov 04, 2025

10-Q filing | 120.5M shares outstanding

120M 0
Aug 08, 2025

10-Q filing | 121.0M shares outstanding

120M 0
May 06, 2025

10-Q filing | 120.1M shares outstanding

120M 0
Feb 24, 2025

10-K filing | 118.8M shares outstanding

120M 0
Nov 05, 2024

10-Q filing | 119.2M shares outstanding

120M 0
Aug 06, 2024

10-Q filing | 118.7M shares outstanding

120M 0
May 07, 2024

10-Q filing | 117.5M shares outstanding

120M 0
Feb 28, 2024

10-K filing | 115.4M shares outstanding

120M 0
Nov 09, 2023

10-Q filing | 116.0M shares outstanding

120M 0
Aug 02, 2023

10-Q filing | 115.1M shares outstanding

120M 0
May 03, 2023

10-Q filing | 113.8M shares outstanding

110M 0
Feb 24, 2023

10-K filing | 111.3M shares outstanding

110M 0
Nov 01, 2022

10-Q filing | 111.9M shares outstanding

110M 0
Aug 03, 2022

10-Q filing | 111.0M shares outstanding

110M 0
May 05, 2022

10-Q filing | 109.5M shares outstanding

110M 0
Feb 25, 2022

10-K filing | 106.4M shares outstanding

110M 0
Nov 03, 2021

10-Q filing | 106.9M shares outstanding

110M 0
Aug 02, 2021

10-Q filing | 105.9M shares outstanding

110M 0
Apr 29, 2021

10-Q filing | 105.6M shares outstanding

110M 0
Feb 23, 2021

10-K filing | 104.0M shares outstanding

100M 0
Oct 29, 2020

10-Q filing | 103.1M shares outstanding

100M 0
Jul 31, 2020

8-K filing: Tenable Holdings, Inc. entered into an underwriting agreement with J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC, as representatives of the underwriters, and the selling stockholders affiliated with Insight Partners, relating to the sale of 8,000,000 shares of the Company's common stock by the selling stockholders.

99M 0
Jul 30, 2020

10-Q filing | 98.6M shares outstanding

99M 0
May 07, 2020

10-Q filing | 98.6M shares outstanding

99M 0
Feb 28, 2020

10-K filing | 93.1M shares outstanding

93M 0
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