Company Analysis

Tenable Holdings, Inc. (TENB)

Nasdaq: TENB · Services-Prepackaged Software · Columbia, MD · filing with the SEC since 2016
Grade5.3
◀ Past 6.2● Present 4.8▶ Future 5.3

Filings

206 filings since 2017 beside 674 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 28 days after the quarter ended. The proxy statement was last filed Apr 2, 2026.

Filings a yearinsider forms included
9698969412115210272
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 8 times in the last 36 months, the newest Oct 6, 2026.
Insider forms 674

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 SCHEDULE 13G Large holder notice
Nov 3, 2026 10-Q Quarterly report Sep 30, 2026
Oct 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 13, 2026 8-K items 1.01, 2.03, 7.01, 9.01 Major agreement signed; New debt or obligation taken on; Investor disclosure (Regulation FD) · Current report
Oct 6, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Oct 5, 2026
Sep 15, 2026 8-K items 1.01, 1.02, 2.03, 3.02, 8.01, 9.01 Major agreement signed; Major agreement ended; New debt or obligation taken on; Shares sold without registration; Other event · Current report Sep 10, 2026
Sep 4, 2026 SCHEDULE 13G/A Large holder update, amended
Sep 4, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 4, 2026 10-Q Quarterly report Jun 30, 2026
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 5, 2026 SCHEDULE 13G/A Large holder update, amended
Jun 4, 2026 SCHEDULE 13G/A Large holder update, amended
May 21, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 13, 2026 8-K item 5.07 Shareholder vote · Current report
May 5, 2026 10-Q Quarterly report Mar 31, 2026
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 2, 2026 ARS Annual report to shareholders
Apr 2, 2026 DEFA14A Extra proxy material
Apr 2, 2026 DEF 14A Proxy statement
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 27, 2026 S-8 Employee stock plan registration
Feb 27, 2026 10-K Annual report Dec 31, 2025
Feb 4, 2026 8-K items 2.02, 8.01, 9.01 Results released; Other event · Current report
Nov 4, 2025 10-Q Quarterly report Sep 30, 2025
Oct 31, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 29, 2025 8-K items 2.02, 9.01 Results released · Current report
Aug 21, 2025 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Aug 19, 2025
Aug 14, 2025 SCHEDULE 13G Large holder notice
Aug 8, 2025 10-Q Quarterly report Jun 30, 2025
Jul 30, 2025 8-K items 2.02, 8.01, 9.01 Results released; Other event · Current report
Jul 8, 2025 SCHEDULE 13G/A Large holder update, amended
May 14, 2025 8-K items 5.02, 5.07 Officer or director change; Shareholder vote · Current report
May 12, 2025 SCHEDULE 13G/A Large holder update, amended
May 6, 2025 10-Q Quarterly report Mar 31, 2025
Apr 29, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 16, 2025 DEFA14A Extra proxy material
Apr 16, 2025 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report
40 of 206 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton TENB · research, not advice