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Tenable Appoints Dino DiMarino as Chief Revenue Officer
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AI Sentiment
Highly Positive
8/10
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as of 03-17-2026 3:42pm EST
$20.17
+$0.06
+0.32%
Founded in 2002, Tenable is a cybersecurity company that began providing vulnerability management solutions under its Nessus software. In recent years, Tenable has expanded its portfolio to provide a broader range of exposure management modules. Solutions include cloud security and compliance, active directory management, operational technology security and advanced vulnerability analytics. The Maryland-based company went public in 2018.
| Founded: | 2002 | Country: | United States |
| Employees: | N/A | City: | COLUMBIA |
| Market Cap: | 2.3B | IPO Year: | 2018 |
| Target Price: | $34.70 | AVG Volume (30 days): | 2.4M |
| Analyst Decision: | Buy | Number of Analysts: | 21 |
| Dividend Yield: | N/A | Dividend Payout Frequency: | N/A |
| EPS: | -0.30 | EPS Growth: | 3.23 |
| 52 Week Low/High: | $17.27 - $37.90 | Next Earning Date: | N/A |
| Revenue: | $999,405,000 | Revenue Growth: | 11.04% |
| Revenue Growth (this year): | 9.37% | Revenue Growth (next year): | 7.04% |
| P/E Ratio: | -68.12 | Index: | N/A |
| Free Cash Flow: | 254.6M | FCF Growth: | +19.43% |
AI-Powered TENB Daily Prediction
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AI Recommendation
hold
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70.12%
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Stock Insider Trading Activity of Tenable Holdings Inc. (TENB)
Vicks Raymond Jr.
Buy
Director
TENB Feb 12, 2026
Avg Cost/Share
$22.17
Shares
4,500
Total Value
$99,765.00
Owned After
16,266
SEC Form 4
COVIELLO ARTHUR W JR
Buy
Director
TENB Feb 9, 2026
Avg Cost/Share
$21.50
Shares
12,000
Total Value
$258,000.00
Owned After
51,731
SEC Form 4
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Vicks Raymond Jr. | TENB | Director | Feb 12, 2026 | Buy | $22.17 | 4,500 | $99,765.00 | 16,266 | |
| COVIELLO ARTHUR W JR | TENB | Director | Feb 9, 2026 | Buy | $21.50 | 12,000 | $258,000.00 | 51,731 |
Earnings Transcripts
SEC 8-K filings with transcript text
2025 Q4 Q4 2025 Earnings
8-K SELL Feb 4, 2026 · 100% conf.
2025
Q4
Q4 2025 Earnings
8-K SELLFeb 4, 2026 · 100% conf.
AI Prediction SELL
1D
-3.77%
$18.98
Act: +0.20%
5D
-5.00%
$18.73
Act: +14.35%
20D
-4.60%
$18.81
Act: +7.40%
Price: $19.72 Prob +5D: 0% AUC: 1.000
0001660280-26-000004
tenb-202602040001660280false00016602802026-02-042026-02-04
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of report (Date of earliest event reported): February 4, 2026
TENABLE HOLDINGS, INC.
(Exact name of registrant as specified in its charter)
Delaware001-3860047-5580846 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification Number)
6100 Merriweather Drive, Columbia, Maryland, 21044 (Address of principal executive offices, including zip code)
(410) 872-0555 (Registrant’s telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareTENBThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 2.02 Results of Operations and Financial Condition. On February 4, 2026, Tenable Holdings, Inc. (the "Company") reported financial results for the quarter and full year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated by reference. The information in this Item 2.02 of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific references in such filing. Item 8.01 Other Events. On January 15, 2026, the Company's Board of Directors approved an increase to the Company's existing share repurchase program of up to an additional $150 million, which is also announced in the press release furnished as Exhibit 99.1 to this report. Repurchases under the share repurchase program may be made in the open market, in privately negotiated transactions or in such other manner as determined by the Company, including through repurchase plans complying with the rules and regulations of the Securities and Exchange Commission. Item 9.01 Financial Statements and Exhibits. (d) Exhibits
Exhibit NumberDescription 99.1Press release — "Tenable Announces Fourth Quarter and Full Year 2025 Financial Results"
101.SCHInline XBRL Taxonomy Extension Schema Document. 101.LABInline XBRL Taxonomy Extension Label Linkbase Document. 101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document. 104The cover page from Tenable's 8-K filed on February 4, 2026, formatted in Inline XBRL.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
TENABLE HOLDINGS, INC.
Date:February 4, 2026By:/s/ Michelle VonderHaar Michelle VonderHaar Chief Legal Officer and Corporate Secretary
2025 Q3 Q3 2025 Earnings
8-K Oct 29, 2025
2025
Q3
Q3 2025 Earnings
8-KOct 29, 2025
0001660280-25-000125
tenb-202510290001660280false00016602802025-10-292025-10-29
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of report (Date of earliest event reported): October 29, 2025
TENABLE HOLDINGS, INC.
(Exact name of registrant as specified in its charter)
Delaware001-3860047-5580846 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification Number)
6100 Merriweather Drive, Columbia, Maryland 21044 (Address of principal executive offices, including zip code)
(410) 872-0555 (Registrant’s telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareTENBThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 2.02 Results of Operations and Financial Condition. On October 29, 2025, Tenable Holdings, Inc. (the "Company") reported financial results for the quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated by reference. The information in this Item 2.02 of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific references in such filing. Item 9.01 Financial Statements and Exhibits. (d) Exhibits
Exhibit NumberDescription 99.1Press release — "Tenable Announces Third Quarter 2025 Financial Results"
101.SCHInline XBRL Taxonomy Extension Schema Document. 101.LABInline XBRL Taxonomy Extension Label Linkbase Document. 101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document. 104The cover page from Tenable's 8-K filed on October 29, 2025, formatted in Inline XBRL.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
TENABLE HOLDINGS, INC.
Date:October 29, 2025By:/s/ Michelle VonderHaar Michelle VonderHaar Chief Legal Officer and Corporate Secretary
2025 Q2 Q2 2025 Earnings
8-K Jul 30, 2025
2025
Q2
Q2 2025 Earnings
8-KJul 30, 2025
0001660280-25-000087
tenb-202507300001660280false00016602802025-07-302025-07-30
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of report (Date of earliest event reported): July 30, 2025
TENABLE HOLDINGS, INC.
(Exact name of registrant as specified in its charter)
Delaware001-3860047-5580846 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification Number)
6100 Merriweather Drive, Columbia, Maryland 21044 (Address of principal executive offices, including zip code)
(410) 872-0555 (Registrant’s telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered Common Stock, par value $0.01 per shareTENBThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 2.02 Results of Operations and Financial Condition. On July 30, 2025, Tenable Holdings, Inc. (the "Company") reported financial results for the quarter ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated by reference. The information in this Item 2.02 of this Current Report on 8-K (including Exhibit 99.1) is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information shall not be deemed incorporated by reference into any other filing with the Securities and Exchange Commission made by the Company, whether made before or after today’s date, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific references in such filing. Item 8.01 Other Events. On July 28, 2025, the Company's Board of Directors approved an increase to the Company's existing share repurchase program of up to an additional $250 million, which is also announced in the press release furnished as Exhibit 99.1 to this report. Repurchases under the share repurchase program may be made in the open market, in privately negotiated transactions, or in such other manner as determined by the Company, including through repurchase plans complying with the rules and regulations of the Securities and Exchange Commission. Item 9.01 Financial Statements and Exhibits. (d) Exhibits
Exhibit NumberDescription 99.1Press release — "Tenable Announces Second Quarter 2025 Financial Results"
101.SCHInline XBRL Taxonomy Extension Schema Document. 101.LABInline XBRL Taxonomy Extension Label Linkbase Document. 101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document. 104The cover page from Tenable's 8-K filed on July 30, 2025, formatted in Inline XBRL.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
TENABLE HOLDINGS, INC.
Date:July 30, 2025By:/s/ Michelle VonderHaar Michelle VonderHaar Chief Legal Officer and Corporate Secretary
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