$TENB
Tenable Holdings, Inc.
XNAS•Technology•Services-Prepackaged Software
Why is TENB down today? It is at $38.07 (-4.90%), and our scanner flagged it 134 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment TENB spikes, and full due diligence on TENB — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $38.07
- Change today
- -4.90%
- Previous close
- $40.03
- 52-week range
- $15.72 – $43.67
- Market cap
- $4.22B
- Shares outstanding
- 110.1M Live vendor count
- Institutional own.
- 99.9%
- Total held
- 99.9%
- Tradeable float
- 110K 0% of shares · after 100% institutions
- Short interest
- 10.2M ▼ -4% vs prior · as of 2026-07-31
- Days to cover
- 2.7d
- Avg daily volume
- 2.5M
- Sector
- Technology
- Industry
- Services-Prepackaged Software
- Exchange
- XNAS
- 5mthin
- 4.7x
- 15mthin
- 4.7x
- 1hthin
- 5.8x
- 1D
- --
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Why is $TENB down today?
Here is the latest on TENB from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for TENB today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Analyst data via Nasdaq. Not investment advice.
Insiders
Insiders selling0 buys, 9 sells last 3 months (4/33 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Zecher Linda Kay Director | Sold (automatic/other) | -550 | sold 6.1% | 8K | $20K at $36.50 | Aug 7, 26 |
Vicks Raymond Jr. Director | Sold (automatic/other) | -2K | sold 8.1% | 21K | $65K at $35.94 | Aug 7, 26 |
Vintz Stephen A Officer | Sold (automatic/other) | -301K 0.3% of company | sold 33% | 611K | $11.0M at $36.48 | Aug 5, 26 |
Vintz Stephen A Officer | Other | 423K 0.4% of company | added 87% | 911K | $6.9M at $16.21 | Aug 5, 26 |
Zecher Linda Kay Director | Sold (automatic/other) | -600 | sold 6.3% | 9K | $22K at $36.00 | Aug 4, 26 |
Zecher Linda Kay Director | Sold (automatic/other) | -1K | sold 13% | 10K | $50K at $34.00 | Aug 3, 26 |
Keane Margaret M Director | Other | 3K | added 19% | 20K | n/a | Jun 15, 26 |
Vintz Stephen A Officer | Sold (automatic/other) | -13K 0.01% of company | sold 2.7% | 474K | $334K at $25.45 | May 22, 26 |
Vintz Stephen A Officer | Other | 27K 0.02% of company | added 5.9% | 490K | n/a | May 22, 26 |
Thurmond Mark C. Officer | Sold (automatic/other) | -12K 0.01% of company | sold 6.7% | 170K | $312K at $25.45 | May 22, 26 |
Thurmond Mark C. Officer | Other | 25K 0.02% of company | added 16% | 184K | n/a | May 22, 26 |
Anschutz Barron Other | Sold (automatic/other) | -2K | sold 2.7% | 72K | $51K at $25.45 | May 22, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $TENB. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$TENB Sentiment
NeutralBlend of news sentiment, today’s move, and community votes. Not investment advice.
$TENB Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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TENB stock FAQ
Why is $TENB down today?
Here is the latest on TENB from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for TENB today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the TENB stock price today?
TENB last traded at $38.07, down 4.90% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live TENB alerts?
The TENB Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged TENB 134 times in the last 30 days.
What exchange is TENB on?
TENB (Tenable Holdings, Inc.) trades on XNAS, with a market cap of about $4.22B in the SERVICES-PREPACKAGED SOFTWARE sector.
Is TENB good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge TENB for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.