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TENB · Tenable Holdings, Inc.

Technology · −5.4% on Oct 16

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Updated Oct 17 · 10 feeds behind: Big-holder filings, 3 days, and 9 more · Every feed →

On this page

The market view

Price chart

The interactive TENB chart (by TradingView) loads here.

Our take

3 rules fired on TENB

In short: none of these rules has solid or some evidence yet, so they show no clear lean on TENB.

How each did in past tests, against similar stocks over 3 months. Past results don't predict future ones.

The 0–100 score for TENB, and which of these rules are open on it right now
Members see one number for how strongly these rules agree on TENB, and the day each rule fired. Better-tested rules count more, and so do different kinds of filings that point the same way.
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Compare with this company’s history

Is disclosure activity unusual?

See how many different insiders or members of Congress reported purchases or sales of TENB. Each bar covers 28 days, by disclosure date. Several trades by one person count once in each group and period.

Latest period: Sep 25, 2026–Oct 22, 2026 · UTC dates · today is excluded

Insider purchases

Short history

Only 1 earlier period is on file to compare with. We need at least 6 full periods before calling a count unusual.

Latest 28 days
0
Earlier median
0
Earlier range
0–0
Distinct filers per 28 daysScale: 0–1
Oct 24, 2025Oct 22, 2026
Earlier periodsLatest 28 daysEarlier median 0Limited or missing history

Who appears in the latest period?

No named filers on file for this period.

Up to three filers; one example disclosure each.

Inspect this period’s filings

The history behind this view

First stored company disclosure: Aug 11, 2026. Newest disclosure across this feed: Oct 16, 2026.

Earlier periods in the comparison: 1. Outlined periods are missing data, so they are left out of the comparison. The chart scale changes with the category.

Exact counts, dates and filings for all four categories
Insider purchases · Short history

Only 1 earlier period is on file to compare with. We need at least 6 full periods before calling a count unusual. Earlier median: 0; range: 0–0.

Insider purchases: distinct filers in stored disclosures
Period and filingsFilersHistory
Oct 24, 2025–Nov 20, 2025—Unavailable
Nov 21, 2025–Dec 18, 2025—Unavailable
Dec 19, 2025–Jan 15, 2026—Unavailable
Jan 16, 2026–Feb 12, 2026—Unavailable
Feb 13, 2026–Mar 12, 2026—Unavailable
Mar 13, 2026–Apr 9, 2026—Unavailable
Apr 10, 2026–May 7, 2026—Unavailable
May 8, 2026–Jun 4, 2026—Unavailable
Jun 5, 2026–Jul 2, 2026—Unavailable
Jul 3, 2026–Jul 30, 2026—Unavailable
Jul 31, 2026–Aug 27, 20260Partial; excluded
Aug 28, 2026–Sep 24, 20260Within stored history
Sep 25, 2026–Oct 22, 2026Latest period0Within stored history
Insider sales · Short history

Only 1 earlier period is on file to compare with. We need at least 6 full periods before calling a count unusual. Earlier median: 0; range: 0–0.

Insider sales: distinct filers in stored disclosures
Period and filingsFilersHistory
Oct 24, 2025–Nov 20, 2025—Unavailable
Nov 21, 2025–Dec 18, 2025—Unavailable
Dec 19, 2025–Jan 15, 2026—Unavailable
Jan 16, 2026–Feb 12, 2026—Unavailable
Feb 13, 2026–Mar 12, 2026—Unavailable
Mar 13, 2026–Apr 9, 2026—Unavailable
Apr 10, 2026–May 7, 2026—Unavailable
May 8, 2026–Jun 4, 2026—Unavailable
Jun 5, 2026–Jul 2, 2026—Unavailable
Jul 3, 2026–Jul 30, 2026—Unavailable
Jul 31, 2026–Aug 27, 20262Partial; excluded
Aug 28, 2026–Sep 24, 20260Within stored history
Sep 25, 2026–Oct 22, 2026Latest period0Within stored history
Congress purchases · History unavailable

No completed-period disclosures for this company are available in this source. Missing history is not zero activity. Earlier median: —; range: unavailable.

Congress purchases: distinct filers in stored disclosures
Period and filingsFilersHistory
Oct 24, 2025–Nov 20, 2025—Unavailable
Nov 21, 2025–Dec 18, 2025—Unavailable
Dec 19, 2025–Jan 15, 2026—Unavailable
Jan 16, 2026–Feb 12, 2026—Unavailable
Feb 13, 2026–Mar 12, 2026—Unavailable
Mar 13, 2026–Apr 9, 2026—Unavailable
Apr 10, 2026–May 7, 2026—Unavailable
May 8, 2026–Jun 4, 2026—Unavailable
Jun 5, 2026–Jul 2, 2026—Unavailable
Jul 3, 2026–Jul 30, 2026—Unavailable
Jul 31, 2026–Aug 27, 2026—Unavailable
Aug 28, 2026–Sep 24, 2026—Unavailable
Sep 25, 2026–Oct 22, 2026Latest period—Unavailable
Congress sales · History unavailable

No completed-period disclosures for this company are available in this source. Missing history is not zero activity. Earlier median: —; range: unavailable.

Congress sales: distinct filers in stored disclosures
Period and filingsFilersHistory
Oct 24, 2025–Nov 20, 2025—Unavailable
Nov 21, 2025–Dec 18, 2025—Unavailable
Dec 19, 2025–Jan 15, 2026—Unavailable
Jan 16, 2026–Feb 12, 2026—Unavailable
Feb 13, 2026–Mar 12, 2026—Unavailable
Mar 13, 2026–Apr 9, 2026—Unavailable
Apr 10, 2026–May 7, 2026—Unavailable
May 8, 2026–Jun 4, 2026—Unavailable
Jun 5, 2026–Jul 2, 2026—Unavailable
Jul 3, 2026–Jul 30, 2026—Unavailable
Jul 31, 2026–Aug 27, 2026—Unavailable
Aug 28, 2026–Sep 24, 2026—Unavailable
Sep 25, 2026–Oct 22, 2026Latest period—Unavailable
How to read this comparison

The median is the middle count in up to 12 earlier, non-overlapping 28-day periods; the range runs from the smallest to the largest count. The latest period is excluded from both. A comparison needs at least 6 earlier periods, including 3 with activity. The feed’s latest disclosure must be within 7 days of the current period’s end. This freshness check does not verify complete collection.

Insiders include individuals and reporting entities; only purchase and sale codes enter this view. Congress counts reporting members, including their disclosed family transactions. The same filer can appear in purchases and sales, so these categories should not be added into a net count.

These are stored disclosures, not a complete measure of trading. Reporting delays and collection gaps can change the comparison. More activity does not identify a motive or predict a stock’s return.

Company timeline

What has been happening?

May 1, 2026–Oct 16, 2026. Select a month in a category to inspect its records.

Company filings

Insiders

All 14 records in this snapshot
  1. Filed
  2. Filed
  3. Filed
  4. Filed
  5. Filed
  6. Record date
  7. Disclosed
    Linda Kay Zecher · Sale

    Transaction dated Aug 19, 2026

  8. Disclosed
    Linda Kay Zecher · Sale

    Transaction dated Aug 18, 2026

  9. Filed
  10. Disclosed
    Linda Kay Zecher · Sale

    Transaction dated Aug 3, 2026

  11. Disclosed
    Linda Kay Zecher · Sale

    Transaction dated Aug 4, 2026

  12. Disclosed
    Linda Kay Zecher · Sale

    Transaction dated Aug 7, 2026

  13. Disclosed
    Raymond Vicks Jr · Sale

    Transaction dated Aug 7, 2026

  14. Filed

Month counts include every record on file. The lists show the newest records on this page. A dash means none on file that month. Trades use disclosure dates; contract dates follow the source record. Nearby events do not establish the cause of a price move.

Who's buying and selling · last 90 days

Congress

No Congress trades on TENB disclosed in the last 90 days.

See every Congress trade on TENB →

Company insiders

0 buys · 3 sells (6 filed lots) · $207K sold

  1. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$24.7Kdisclosed Aug 20 · filed 1 day after the trade
  2. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$24.8Kdisclosed Aug 20 · filed 2 days after the trade
  3. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$50Kdisclosed Aug 11 · filed 8 days after the trade · late
  4. ▼ SELLRaymond Vicks Jr DirectorTENB Tenable Holdings, Inc.$65.4Kdisclosed Aug 11 · filed 4 days after the trade
  5. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$21.6Kdisclosed Aug 11 · filed 7 days after the trade · late
  6. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$20.1Kdisclosed Aug 11 · filed 4 days after the trade
See every insider trade on TENB →

Filings & events

Company filings (8-K) 58

Events the company must report to the SEC within days — results, deals, departures, restatements.

What it files 8-Ks about

  • Quarterly or yearly results · item 2.0210
  • Shared information with investors · item 7.017
  • Directors or officers joined, left or got new pay · item 5.025
  • Other events · item 8.014
  • Signed a major agreement · item 1.013
  • Shareholder vote results · item 5.073

Filing red flags 4

Warning signs in the company's own SEC filings — going-concern doubts, control weaknesses, staff comment letters, late filings, restatements, Wells notices, clinical holds, dividend cuts.

Planned insider sales (Form 144) 98

Notices insiders file before they sell certain shares, such as ones they got straight from the company.

2 in the last 90 days · 98 notices on file

The notices on file don't give the sale's size; each sale shows up under company insiders once it is reported.

5% owners (13D / 13G) 3

Investors who reported owning 5% or more — 13D for owners who may push for changes, 13G for owners who just hold.

Push for changes, or just hold?

  • 13D, may push for changes: 0 filings
  • 13G, just holds: 3 filings

Filed by Vanguard Capital Management LLC · Vanguard Portfolio Management LLC · Ameriprise Financial Inc

Biggest named funds (13F)

The largest TENB holdings among the well-known funds whose quarterly 13F filings we read — opens here.

Every disclosed trade on TENB

  1. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$24.7Kdisclosed Aug 20 · filed 1 day after the trade
  2. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$24.8Kdisclosed Aug 20 · filed 2 days after the trade
  3. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$50Kdisclosed Aug 11 · filed 8 days after the trade · late
  4. ▼ SELLRaymond Vicks Jr DirectorTENB Tenable Holdings, Inc.$65.4Kdisclosed Aug 11 · filed 4 days after the trade
  5. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$21.6Kdisclosed Aug 11 · filed 7 days after the trade · late
  6. ▼ SELLLinda Kay Zecher DirectorTENB Tenable Holdings, Inc.$20.1Kdisclosed Aug 11 · filed 4 days after the trade
See the trades on TENB in the feed →
People & votes

Which members of Congress traded TENB, sponsored bills that touch it and voted on them — opens here.