Company profile
Tenable Holdings, Inc. Insider Trading
TENBEvery SEC Form 4 insider trading filing for Tenable Holdings, Inc. (TENB) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Services-Prepackaged Software
- CIK
- 0001660280
- Filings
- 190
- Insiders
- 13
- Last filing
- 2026-08-24
Activity summary
Recent insider activity is bullish. Over the last 30 days, 30 insiders purchased shares versus 15 sales. Buying was led by Mark C. Thurmond.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Tenable Holdings, Inc. insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $23.5M.
90 day insight
Over the last 90 days, Tenable Holdings, Inc. insiders bought $0 (32 transactions) and sold $1.2M (18 transactions).
- Most active insider: Stephen A Vintz with 18 transactions totaling $445K.
- Largest single sale: $254K by Matthew Charles Brown on Aug 21, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 24, 2026 | Mark C. Thurmond | TENB | Option Exercise | 1,162 | — | — |
| Aug 24, 2026 | Mark C. Thurmond | TENB | Tax Withholding | 562 | $33.94 | $19K |
| Aug 24, 2026 | Mark C. Thurmond | TENB | Option Exercise | 2,267 | — | — |
| Aug 24, 2026 | Mark C. Thurmond | TENB | Tax Withholding | 1,097 | $33.94 | $37K |
| Aug 24, 2026 | Mark C. Thurmond | TENB | Option Exercise | 6,095 | — | — |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=TENB" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Tenable Holdings, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →