Insider buying last 90 days
No open-market insider purchases were filed for TENB in the last 90 days.
From Form 4 filings, dated to when each was filed.
Oct 12 close
Tenable's stock saw strong buying interest this week, driven by several themes. The company launched new AI security features, including the integration of OpenAI's GPT cyber models into its CyberAgents Exchange for agentic security review, and appointed Charles H. Bell to its board. S&P Global Ratings upgraded Tenable's issuer credit rating to 'BB+' from 'BB', citing strong revenue growth and improved margins. Yorkville Ives initiated coverage with an outperform rating and a $45.00 price target, while inclusion in the S&P SmallCap 600 index appeared to drive additional buying from index funds.
Tenable closed at $40.77, down 2% on the day, but remains above both its 50-day ($36.05) and 200-day ($27.35) moving averages, with the 50-day above the 200-day. The GekkoIndex reading sits at 48.2, placing it in the Neutral zone, with a five-day change of -4.1. Price stands 38.5% above Gekko Fair Value of $29.43.
Over the next 20 trading days, Tenable reports earnings after close on 4 November 2026, falling inside this window; the last report showed EPS of $0.1 against a $0.1 estimate, with a 3.8% reaction, and Tenable has beaten estimates in 7 of 8 recent quarters. No insider, Congress, or unusual options activity appears in the respective 90-day and 30-day windows. Seasonality over 5 years shows an average 20-day return of 2.2% from this point, positive in 3 of those years. Consensus among 19 analysts includes 8 buy, 10 hold, and 1 sell ratings, with a consensus target of $35.35.
Written by AI from the Oct 12, 2026 close and checked automatically against the figures on this page.
Tenable scores 2 supportive, 1 mixed and 2 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
2 supportive1 mixed2 headwinds
Above 50 and 200-day
Close $40.77 is above the 50-day ($36.05) and 200-day ($27.35) averages, and the 50-day is above the 200-day.
See the chart48.2, Neutral
Reading 48.2 is in the Neutral zone.
See the GekkoIndex38.5% above
Price is 38.5% above Gekko Fair Value (more than 5% above).
See fair valueNo data
No insider, Congress or unusual options activity in the window.
See smart moneyReports in 23 days
Reports on Nov 4, 2026, 23 days away — inside a typical 20-trading-day hold.
See earnings+2.2% on average
From this point in the calendar, the next 20 trading days averaged +2.2% over 5 years, rising in 3 of them.
See seasonalityA description of current data, not a recommendation. How this page works
Tenable closed at $40.77 on Oct 12, 2026, +37.7% over the past year, inside a 52-week range of $15.73 to $43.67.
Use the left and right arrow keys to read daily values.
Put TENB on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
Tenable helps organizations find and manage their exposure to cyber risk. Its tools scan networks, applications, cloud infrastructure and operational technology to flag vulnerabilities, misconfigurations and weak points before they can be exploited. The company is also known for its Nessus line of vulnerability assessment tools, which range from a full-featured professional edition to a lighter version for smaller environments.
The company's offerings span both cloud-delivered and on-premises products. Some tools focus on specific environments, such as securing Active Directory systems or protecting industrial and operational technology networks, while others give a broader, risk-ranked view across an organization's digital assets, covering IT systems, cloud platforms and web applications. Tenable serves clients across the Americas, Europe, the Middle East, Africa, the Asia Pacific region and Japan.
Tenable was founded in 2002 and is based in Columbia, Maryland. Its shares are listed on the NASDAQ under the ticker TENB.
Tenable’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 48.2, in the Neutral zone, down 4.1 points over five sessions.
Down 4.1 points over five sessions.
Reading for Oct 12, 2026
| Zone | Readings | 5 days | 20 days |
|---|---|---|---|
| Buying | 51 | +2.7% | +1.9% |
| Accumulation | 294 | −0.2% | −1.5% |
| Neutral (current zone) | 302 | −0.1% | +0.6% |
| Distribution | 24 | +0.6% | +2.0% |
| Selling | 11 | +0.4% | −0.6% |
Average TENB share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Neutral readings averaged +1.1% over 20 days. Past behaviour doesn’t guarantee future results.
Neutral zone: No clear directional signal. About the five zones →
Tenable trades 38.5% above Gekko Fair Value of $29.43, so the shares are overvalued on Gekko’s estimate.
Gekko’s own estimate of what Tenable shares are worth, recalculated every trading day.
$29.43
Gekko Fair Value, Oct 10, 2026
38.5% Overvalued
At the end of Aug 2026 the price was 32.8% above the estimate.
No open-market insider purchases were filed for Tenable, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
No open-market insider purchases were filed for TENB in the last 90 days.
From Form 4 filings, dated to when each was filed.
No trades in TENB were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Tenable has been buying back its own shares.
From company filings.
0of the funds Gekko tracks hold TENB.
Tenable reports on Nov 4, 2026, after the close (23 days away), and beat the EPS estimate in 7 of its last 8 reports.
Nov 4, 2026
Expected after the close, 23 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Jul 29, 2026 | $0.10 est $0.10 | $268.5M est $264.9M | +3.8% |
| Apr 29, 2026 | $0.47 est $0.41 | $262.1M est $258.8M | +2.2% |
| Feb 4, 2026 | $0.48 est $0.42 | $260.5M est $251.8M | −1.4% |
| Oct 29, 2025 | $0.42 est $0.37 | $252.4M est $251.8M | −4.9% |
| Jul 30, 2025 | $0.34 est $0.30 | $247.3M est $245.1M | −4.8% |
| Apr 29, 2025 | $0.36 est $0.28 | $239.1M est $234.0M | −7.7% |
| Feb 5, 2025 | $0.41 est $0.34 | $235.7M est $232.0M | −7.4% |
| Oct 30, 2024 | $0.32 est $0.29 | $227.1M est $231.5M | −5.2% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for Tenable is $35.35, −13.3% from the last close, from 19 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 19 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Oct 12 | Barclays | $38 | −6.8% |
| Sep 10 | Wedbush | $29 | −28.9% |
| Aug 27 | Stifel Nicolaus | $31 | −24.0% |
| Jul 30 | D.A. Davidson | $30 | −26.4% |
| Jul 30 | Susquehanna | $36 | −11.7% |
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Over the next 20 trading days from Oct 10, Tenable averaged +2.2% across the last 5 years, rising in 3 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +3.2% | 4 of 5 |
| Next 10 trading days | +3.3% | 3 of 5 |
| Next 15 trading days | +7.8% | 2 of 5 |
| Next 20 trading days | +2.2% | 3 of 5 |
| Next 30 trading days | +2.5% | 2 of 5 |
For scale, TENB’s typical 20-trading-day move in either direction is about 6.5%.
Tenable’s market cap is $4.50B, with a P/E ratio of 650.2 and revenue of $1.04B over the last twelve months.
Coverage of Tenable this week reads positive: 6 positive, 4 neutral and 1 negative headlines.
Tenable’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| MSFTMicrosoft | Neutral | 21.7% above |
| PLTRPalantir Technologies | Distribution | 22.3% above |
| ORCLOracle | Neutral | 24.3% below |
| PANWPalo Alto Networks | Neutral | 21.6% above |
| CRWDCrowdStrike | Neutral | 23.7% above |
| CRMSalesforce | Neutral | 3.6% below |
A peer links to its own page where one exists.
Tenable’s market cap is $4.50B at the Oct 12, 2026 close of $40.77, with 110.1M shares outstanding. The shares trade on a P/E ratio of 650.2.
The consensus analyst 12-month price target for Tenable is $35.35, −13.3% from the last close. Of the 19 firms that rated the stock in the last 90 days, 8 rate it a buy, 10 a hold and 1 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate Tenable is overvalued: the Oct 12, 2026 close of $40.77 is 38.5% above Gekko Fair Value of $29.43. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
Tenable is expected to report on Nov 4, 2026, after the market closes (23 days away). Analysts expect earnings of $0.51 per share on revenue of $271.6M. Tenable beat the earnings estimate in 7 of its last 8 reports, moving 4.7% on average across the report.
Tenable’s 52-week high is $43.67 and its 52-week low is $15.73; it closed at $40.77 on Oct 12, 2026, +37.7% over the past year. Over the last five years the shares peaked at $63.61 on Apr 14, 2022.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 2 of the 5 items with data read as supportive (trend and seasonality), 1 as mixed (gekkoindex) and 2 as headwinds (fair value and earnings risk). The checklist is a description of current data, not a recommendation.
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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