Tenable (TENB) Stock: Why It Moved Today
Updated Oct 20, 2026, 1:16 PM ET · intraday price
- Trading at $38.83 as of 1:16 PM ET, -0.26% vs the prior close of $38.93.
- Volume 668.92K shares, 0.2x its 50-day average (light).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
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TENB is flat (-0.3%) to $38.83. Trading at $38.83 (intraday, 1:16 PM ET), -0.26% vs the prior close of $38.93. Day range $37.86–$39.27, opened at $38.48.
TENB daily analysis — what happened
A plain-English, data-only note for every US trading day (today's note updates every 2 hours while the market is open). Newest first; older days stay archived below.
Oct 20, 2026 — TENB is flat (-0.3%) to $38.83
- Trading at $38.83 (intraday, 1:16 PM ET), -0.26% vs the prior close of $38.93. Day range $37.86–$39.27, opened at $38.48.
- Volume was 668.92K shares, 0.2x its 50-day average of 4.25M — lighter than usual.
- Price is +6.7% vs its 50-day average ($36.40) and +39.6% vs its 200-day average ($27.81).
- 52-week range $15.73–$43.67; the current price sits at 83% of that range, 11.1% below the 52-week high.
Oct 19, 2026 — TENB jumps 4.7% to $38.93
- Closed at $38.93, +4.65% vs the prior close of $37.20. Day range $37.67–$39.22, opened at $38.00.
- Volume was 3.56M shares, 0.8x its 50-day average of 4.24M.
- Price is +7.1% vs its 50-day average ($36.36) and +40.4% vs its 200-day average ($27.73).
- 52-week range $15.73–$43.67; today's close sits at 83% of that range, 10.9% below the 52-week high.
Oct 16, 2026 — TENB slides 5.4% to $37.20 on 2.0x normal volume
- Closed at $37.20, -5.39% vs the prior close of $39.32. Day range $36.49–$40.15, opened at $39.49.
- Volume was 8.34M shares, 2.0x its 50-day average of 4.14M — unusually heavy trading.
- Price is +2.5% vs its 50-day average ($36.30) and +34.5% vs its 200-day average ($27.65).
- 52-week range $15.73–$43.67; today's close sits at 77% of that range, 14.8% below the 52-week high.
Oct 15, 2026 — TENB jumps 3.1% to $39.32
- Closed at $39.32, +3.15% vs the prior close of $38.12. Day range $36.50–$39.38, opened at $37.35.
- Volume was 4.87M shares, 1.2x its 50-day average of 4.12M.
- Price is +8.4% vs its 50-day average ($36.28) and +42.6% vs its 200-day average ($27.58).
- 52-week range $15.73–$43.67; today's close sits at 84% of that range, 10.0% below the 52-week high.
Oct 14, 2026 — TENB slides 7.7% to $38.12
- Closed at $38.12, -7.68% vs the prior close of $41.29. Day range $38.08–$40.88, opened at $40.12.
- Volume was 2.41M shares, 0.6x its 50-day average of 4.14M — lighter than usual.
- Price is +5.3% vs its 50-day average ($36.22) and +38.6% vs its 200-day average ($27.51).
- 52-week range $15.73–$43.67; today's close sits at 80% of that range, 12.7% below the 52-week high.
Oct 13, 2026 — TENB rises 1.3% to $41.29
- Closed at $41.29, +1.28% vs the prior close of $40.77. Day range $40.34–$42.19, opened at $40.45.
- Volume was 2.59M shares, 0.6x its 50-day average of 4.15M.
- Price is +14.1% vs its 50-day average ($36.17) and +50.5% vs its 200-day average ($27.44).
- 52-week range $15.73–$43.67; today's close sits at 91% of that range, 5.4% below the 52-week high.
- SEC filings that day: 8-K.
Oct 12, 2026 — TENB dips 2.0% to $40.77
- Closed at $40.77, -1.97% vs the prior close of $41.59. Day range $40.71–$42.69, opened at $42.48.
- Volume was 2.29M shares, 0.5x its 50-day average of 4.17M — lighter than usual.
- Price is +13.1% vs its 50-day average ($36.05) and +49.1% vs its 200-day average ($27.35).
- 52-week range $15.73–$43.67; today's close sits at 90% of that range, 6.6% below the 52-week high.
Oct 9, 2026 — TENB jumps 6.6% to $41.59, a 1-month high
- Closed at $41.59, +6.61% vs the prior close of $39.01. Day range $39.01–$41.61, opened at $39.29.
- Volume was 5.09M shares, 1.2x its 50-day average of 4.24M.
- Price is +15.9% vs its 50-day average ($35.89) and +52.5% vs its 200-day average ($27.27).
- 52-week range $15.73–$43.67; today's close sits at 93% of that range, 4.8% below the 52-week high.
Oct 8, 2026 — TENB ends flat (+0.2%) to $39.01
- Closed at $39.01, +0.18% vs the prior close of $38.94. Day range $37.45–$40.07, opened at $38.94.
- Volume was 4.53M shares, 1.1x its 50-day average of 4.23M.
- Price is +9.3% vs its 50-day average ($35.70) and +43.5% vs its 200-day average ($27.18).
- 52-week range $15.73–$43.67; today's close sits at 83% of that range, 10.7% below the 52-week high.
Oct 7, 2026 — TENB dips 1.3% to $38.94
- Closed at $38.94, -1.34% vs the prior close of $39.47. Day range $38.33–$39.69, opened at $39.38.
- Volume was 2.88M shares, 0.7x its 50-day average of 4.23M.
- Price is +9.5% vs its 50-day average ($35.55) and +43.6% vs its 200-day average ($27.11).
- 52-week range $15.73–$43.67; today's close sits at 83% of that range, 10.8% below the 52-week high.
Oct 6, 2026 — TENB rises 2.5% to $39.47, a 1-month high, 3 up days in a row
- Closed at $39.47, +2.49% vs the prior close of $38.51. Day range $38.55–$39.76, opened at $39.06.
- Volume was 3.37M shares, 0.8x its 50-day average of 4.21M.
- Price is +11.5% vs its 50-day average ($35.40) and +46.0% vs its 200-day average ($27.04).
- 52-week range $15.73–$43.67; today's close sits at 85% of that range, 9.6% below the 52-week high.
- That makes 3 straight gains.
- SEC filings that day: 8-K.
Oct 5, 2026 — TENB jumps 4.5% to $38.51, a 1-month high
- Closed at $38.51, +4.50% vs the prior close of $36.85. Day range $36.80–$38.73, opened at $36.96.
- Volume was 3.45M shares, 0.8x its 50-day average of 4.19M.
- Price is +9.2% vs its 50-day average ($35.26) and +42.8% vs its 200-day average ($26.97).
- 52-week range $15.73–$43.67; today's close sits at 82% of that range, 11.8% below the 52-week high.
Oct 2, 2026 — TENB rises 2.0% to $36.85
- Closed at $36.85, +2.05% vs the prior close of $36.11. Day range $36.15–$37.24, opened at $36.49.
- Volume was 2.04M shares, 0.5x its 50-day average of 4.22M — lighter than usual.
- Price is +4.9% vs its 50-day average ($35.14) and +37.0% vs its 200-day average ($26.90).
- 52-week range $15.73–$43.67; today's close sits at 76% of that range, 15.6% below the 52-week high.
TENB bull case vs bear case (from the data)
- Price is +6.7% vs its 50-day average — short-term trend is up.
- Price is +39.6% vs its 200-day average — above the long-term trend line.
- Annual revenue grew 11.0% in the latest fiscal year (SEC XBRL).
- Insiders made 1 open-market purchase in the last 12 months.
- Share count down 9.0% in a year (buybacks).
- Latest fiscal-year net income: loss of $36.12M.
- Insider selling outweighs buying: 24 sales vs 1 open-market buys among the 25 most recent reported insider trades (Form 4, last 12 months).
TENB latest news & SEC filings
Every SEC filing by or about TENB in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 13, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 2.03 — Took on a new material debt or financial obligation.
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Oct 6, 2026 · Form 3 — New insider holdings
Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings
Oct 6, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Sep 15, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 1.02 — Ended a material agreement.
- Item 2.03 — Took on a new material debt or financial obligation.
- Item 3.02 — Sold unregistered shares.
- Item 8.01 — Reported other events the company considers important.
Sep 4, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Sep 4, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 25, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 25, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 25, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 25, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 4, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $268.51M (prior year $247.29M) (+8.6% vs Jun 30, 2025)
- Net income: $3.81M (prior year -$14.71M) (swung to profit vs Jun 30, 2025)
- Diluted EPS: $0.03 (prior year -$0.12) (swung to profit vs Jun 30, 2025)
Jul 29, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade TENB
- Last results release: Jul 29, 2026 (8-K Item 2.02). Previous ones: Apr 29, 2026, Feb 4, 2026, Oct 29, 2025. Based on that rhythm, the next report is likely around Oct 28, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.96% (largest 7.7%).
- Liquidity: about 3.35M shares (≈$130.11M) trade per day on average.
- 52-week position: $38.83 vs a range of $15.73–$43.67 (83% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 1 open-market buys, 24 sales; latest: Linda Kay Zecher sold 690 shares on Aug 19, 2026.
- Latest filings: 8-K Oct 13, 2026; 8-K Oct 6, 2026; 8-K Sep 15, 2026.
- Share count: 110.14M shares outstanding (Jul 31, 2026), -9.0% vs a year earlier — the company has been reducing its share count.
- Listing: Nasdaq · industry: Services-Prepackaged Software.
TENB market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 20, 2026 | 38.48 | 39.27 | 37.86 | 38.83 | 668.92K |
| Oct 19, 2026 | 38.00 | 39.22 | 37.67 | 38.93 | 3.56M |
| Oct 16, 2026 | 39.24 | 40.15 | 36.49 | 37.20 | 8.34M |
| Oct 15, 2026 | 37.35 | 39.38 | 36.50 | 39.32 | 4.87M |
| Oct 14, 2026 | 40.12 | 40.88 | 38.08 | 38.12 | 2.41M |
| Oct 13, 2026 | 40.45 | 42.19 | 40.34 | 41.29 | 2.59M |
| Oct 12, 2026 | 42.48 | 42.69 | 40.71 | 40.77 | 2.29M |
| Oct 9, 2026 | 39.29 | 41.61 | 39.01 | 41.59 | 5.09M |
| Oct 8, 2026 | 38.94 | 40.07 | 37.45 | 39.01 | 4.53M |
| Oct 7, 2026 | 39.38 | 39.69 | 38.33 | 38.94 | 2.88M |
| Oct 6, 2026 | 39.06 | 39.76 | 38.55 | 39.47 | 3.37M |
| Oct 5, 2026 | 36.96 | 38.73 | 36.80 | 38.51 | 3.45M |
| Oct 2, 2026 | 36.49 | 37.24 | 36.15 | 36.85 | 2.04M |
| Oct 1, 2026 | 37.10 | 37.15 | 35.41 | 36.11 | 2.91M |
| Sep 30, 2026 | 34.99 | 37.53 | 34.92 | 36.39 | 5.17M |
| Sep 29, 2026 | 34.34 | 35.06 | 33.90 | 34.99 | 2.14M |
| Sep 28, 2026 | 32.69 | 34.92 | 32.49 | 34.47 | 3.49M |
| Sep 25, 2026 | 36.08 | 36.09 | 33.45 | 33.49 | 2.96M |
| Sep 24, 2026 | 36.23 | 36.68 | 35.77 | 35.88 | 1.83M |
| Sep 23, 2026 | 36.39 | 36.73 | 35.15 | 36.23 | 2.42M |
About Tenable
Tenable (TENB) is listed on the Nasdaq and classified by the SEC under “Services-Prepackaged Software”. Its business address is in COLUMBIA, MD. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1660280.
TENB board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Arthur W Jr Coviello | Director | May 15, 2026 |
| Niloofar Razi Howe | Director | May 15, 2026 |
| John C Jr Huffard | Director | May 15, 2026 |
| Margaret M Keane | Director | Jun 17, 2026 |
| A Brooke Seawell | Director | May 15, 2026 |
| Mark C. Thurmond | Co-Chief Executive Officer | Aug 25, 2026 |
| George Alex Tosheff | Director | May 15, 2026 |
| Raymond Jr. Vicks | Director | Aug 11, 2026 |
| Stephen A Vintz | Co-Chief Executive Officer | Aug 25, 2026 |
| Linda Kay Zecher | Director | Aug 20, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Matthew Charles Brown | Chief Financial Officer | Aug 25, 2026 |
| Mark C. Thurmond | Co-Chief Executive Officer | Aug 25, 2026 |
| Stephen A Vintz | Co-Chief Executive Officer | Aug 25, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 19, 2026 | Linda Kay Zecher | Sale | 690 | $35.76 |
| Aug 19, 2026 | Linda Kay Zecher | Sale | 690 | $35.76 |
| Aug 19, 2026 | Linda Kay Zecher | Sale | 690 | $35.76 |
| Aug 19, 2026 | Linda Kay Zecher | Sale | 690 | $35.76 |
| Aug 18, 2026 | Linda Kay Zecher | Sale | 700 | $35.46 |
| Aug 18, 2026 | Linda Kay Zecher | Sale | 700 | $35.46 |
| Aug 18, 2026 | Linda Kay Zecher | Sale | 700 | $35.46 |
| Aug 18, 2026 | Linda Kay Zecher | Sale | 700 | $35.46 |
| Aug 7, 2026 | Raymond Jr. Vicks | Sale | 1,819 | $35.94 |
| Aug 7, 2026 | Raymond Jr. Vicks | Sale | 1,819 | $35.94 |
| Aug 7, 2026 | Raymond Jr. Vicks | Sale | 1,819 | $35.94 |
| Aug 7, 2026 | Raymond Jr. Vicks | Sale | 1,819 | $35.94 |
| Aug 7, 2026 | Linda Kay Zecher | Sale | 550 | $36.50 |
| Aug 7, 2026 | Linda Kay Zecher | Sale | 550 | $36.50 |
| Aug 7, 2026 | Linda Kay Zecher | Sale | 550 | $36.50 |
TENB financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $999.40M | $-36.12M | -0.30 | $266.75M |
| Dec 31, 2024 | $900.02M | $-36.30M | -0.31 | $217.48M |
| Dec 31, 2023 | $798.71M | $-78.28M | -0.68 | $149.85M |
| Dec 31, 2022 | $683.19M | $-92.22M | -0.83 | $131.15M |
| Dec 31, 2021 | $541.13M | $-46.68M | -0.44 | $96.77M |
Latest balance sheet: total assets $1.57B, total liabilities $1.38B, cash $125.35M (as of Jun 30, 2026).
TENB earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Jul 29, 2026 | 8-K Item 2.02 (results) | $31.48 |
| Apr 29, 2026 | 8-K Item 2.02 (results) | $21.47 |
| Feb 4, 2026 | 8-K Item 2.02 (results) | $19.72 |
| Oct 29, 2025 | 8-K Item 2.02 (results) | $28.64 |
| Jul 30, 2025 | 8-K Item 2.02 (results) | $32.24 |
| Apr 29, 2025 | 8-K Item 2.02 (results) | $33.68 |
| Feb 7, 2025 | 8-K Item 2.02 (results) | $40.23 |
| Feb 5, 2025 | 8-K Item 2.02 (results) | $43.21 |
| Jan 6, 2025 | 8-K Item 2.02 (results) | $40.17 |
| Oct 30, 2024 | 8-K Item 2.02 (results) | $41.23 |
| Jul 31, 2024 | 8-K Item 2.02 (results) | — |
| May 1, 2024 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: intraday data as of Oct 20, 2026, 1:16 PM ET. Filings: SEC EDGAR. Refreshed every 2 hours during US market hours.