Tenable Holdings, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Tenable Holdings, Inc. (TENB), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are TENB insiders buying or selling?
In the last 12 months, Tenable Holdings, Inc. insiders reported 3 open-market purchases ($616.2K) and 5 sales ($3.1M) — net selling of $2.5M. Since July 2018, Trabud has recorded 340 Form 4 filings for TENB: 6 buys ($2.0M) and 334 sells ($662.4M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $258.5K by Matthew Charles Brown (Chief Financial Officer) on May 5, 2026. SEC ↗
- The most recent open-market purchase was reported on May 5, 2026 (5 months ago).
Key Statistics (July 2018 – Aug 20, 2026)
Total Form 4 filings
340
SEC EDGAR
Insider filers
17
Insider buys (6)
$2.0M
Insider sells (334)
$662.4M
Insider sentiment
Net sellingNet insider flow of $660.4M in net selling since July 2018, and $2.5M in net selling over the last 12 months.
Recent TENB insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | Linda Kay Zecher | Director | Sale | 1.4K | $35.61 | $49.5K | SEC ↗ |
| Aug 11, 2026 | Raymond Vicks Jr. | Director | Sale | 1.8K | $35.94 | $65.4K | SEC ↗ |
| Aug 11, 2026 | Linda Kay Zecher | Director | Sale | 2.6K | $34.98 | $91.7K | SEC ↗ |
| May 5, 2026 | Matthew Charles Brown | Chief Financial Officer | Purchase | 12.0K | $21.54 | $258.5K | SEC ↗ |
| Feb 13, 2026 | Raymond Vicks Jr. | Director | Purchase | 4.5K | $22.17 | $99.8K | SEC ↗ |
| Feb 9, 2026 | Arthur W Coviello JR | Director | Purchase | 12.0K | $21.50 | $258.0K | SEC ↗ |
| Dec 18, 2025 | Brooke A Seawell | Director | Sale | 115.0K | $24.82 | $2.9M | SEC ↗ |
| Oct 20, 2025 | Barron Anschutz | Other | Sale | 976 | $29.10 | $28.4K | SEC ↗ |
| Sep 11, 2025 | Brooke A Seawell | Director | Sale | 15.0K | $30.80 | $462.0K | SEC ↗ |
| Sep 8, 2025 | Brooke A Seawell | Director | Sale | 4.6K | $30.12 | $139.2K | SEC ↗ |
| Aug 27, 2025 | Mark C. Thurmond | Co-Chief Executive Officer | Sale | 2.5K | $29.84 | $75.8K | SEC ↗ |
| Aug 27, 2025 | Stephen A Vintz | Co-Chief Executive Officer | Sale | 3.5K | $29.84 | $103.4K | SEC ↗ |
| Aug 27, 2025 | Barron Anschutz | Other | Sale | 670 | $29.84 | $20.0K | SEC ↗ |
| Aug 26, 2025 | Barron Anschutz | Other | Sale | 1.3K | $30.25 | $38.1K | SEC ↗ |
| Aug 26, 2025 | Stephen A Vintz | Co-Chief Executive Officer | Sale | 29.2K | $30.25 | $883.2K | SEC ↗ |
| Aug 26, 2025 | Mark C. Thurmond | Co-Chief Executive Officer | Sale | 28.5K | $30.25 | $862.1K | SEC ↗ |
| Jul 18, 2025 | Barron Anschutz | Other | Sale | 970 | $33.08 | $32.1K | SEC ↗ |
| May 29, 2025 | Mark C. Thurmond | Co-Chief Executive Officer | Sale | 2.5K | $32.45 | $80.6K | SEC ↗ |
| May 29, 2025 | Stephen A Vintz | Co-Chief Executive Officer | Sale | 3.4K | $32.45 | $109.9K | SEC ↗ |
| May 29, 2025 | Barron Anschutz | Other | Sale | 655 | $32.45 | $21.3K | SEC ↗ |
| May 27, 2025 | Mark C. Thurmond | Co-Chief Executive Officer | Sale | 5.6K | $31.98 | $178.4K | SEC ↗ |
| May 27, 2025 | Stephen A Vintz | Co-Chief Executive Officer | Sale | 6.5K | $31.98 | $207.8K | SEC ↗ |
| May 27, 2025 | Barron Anschutz | Other | Sale | 1.2K | $31.98 | $39.8K | SEC ↗ |
| Mar 13, 2025 | Linda Kay Zecher | Director | Sale | 2.5K | $37.00 | $92.5K | SEC ↗ |
| Mar 4, 2025 | Barron Anschutz | Other | Sale | 4.4K | $37.59 | $165.6K | SEC ↗ |
Showing the 25 most recent of 340 Form 4 filings for Tenable Holdings, Inc..
Most active TENB insiders
- Amit Yoran94 filings
- Stephen A Vintz57 filings
- Stephen A Riddick43 filings
- Mark C. Thurmond41 filings
- John C Huffard Jr15 filings
Ask anything about TENB insider activity
Use Trabud's AI agent to query Tenable Holdings, Inc.'s Form 4 history in plain English — "Show me TENB CEO purchases this year" or compare it against any other ticker.
Open the AI agentTENB insider trading FAQ
Are Tenable Holdings, Inc. insiders buying or selling?
In the last 12 months, Tenable Holdings, Inc. insiders reported 3 open-market purchases ($616.2K) and 5 sales ($3.1M) — net selling of $2.5M. Since July 2018, Trabud has recorded 340 Form 4 filings for TENB: 6 buys ($2.0M) and 334 sells ($662.4M). Over the full record that is net selling of $660.4M.
How many insiders trade TENB stock?
17 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Tenable Holdings, Inc.. The most recent filing was accepted on Aug 20, 2026.
Where does Trabud get TENB insider trading data?
All TENB insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.