Tenable Holdings, Inc.
For the period ended Dec 31, 2025. Filed Feb 27, 2026.
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FY2025 · Filed Feb 27, 2026
TENB$41.96-3.9%Stored close · as of Nov 10, 2026
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Item 15. Exhibits, Financial Statement Schedules
(a)(1) Financial Statements
See the Index to our consolidated financial statements in Item 8 of this Annual Report on Form 10-K.
(a)(2) Financial Statement Schedules
SCHEDULE II
SUPPLEMENTARY CONSOLIDATED FINANCIAL STATEMENT SCHEDULE
VALUATION AND QUALIFYING ACCOUNTS
| (in thousands) | Balance at Beginning of Year | Additions Charged to Costs and Expenses | Deductions(1) | Balance at End of Year |
|---|---|---|---|---|
| Allowance for Doubtful Accounts | ||||
| Year Ended December 31, 2025 | $525 | $586 | $(455) | $656 |
| Year Ended December 31, 2024 | 470 | 545 | (490) | 525 |
| Year Ended December 31, 2023 | 1,400 | 593 | (1,523) | 470 |
(1) Consists of recoveries and write-offs of uncollectible accounts.
All other schedules have been omitted because they are not required, not applicable, or the required information is included in the financial statements or the notes to the financial statements.
(a)(3) Exhibits
The following is a list of Exhibits filed as part of this Annual Report on Form 10-K:
| Exhibit Number | Description | Location |
| 3.1 | Amended and Restated Certificate of Incorporation of Tenable Holdings, Inc. | Previously filed as Exhibit 3.1 to the Company's Current Report on Form 8-K (File No. 001-38600) on July 30, 2018 |
| 3.2 | Second Amended and Restated Bylaws of Tenable Holdings, Inc. | Previously filed as Exhibit 3.1 to the Company's Current Report on Form 8-K (File No. 001-38600) on November 15, 2023 |
| 4.1 | Common Stock Certificate of Tenable Holdings, Inc. | Previously filed as Exhibit 4.1 to the Company's Registration Statement on Form S-1 (File No. 333-226002) on July 16, 2018 |
| 4.2 | Description of Common Stock of Tenable Holdings, Inc. | Previously filed as Exhibit 4.3 to the Company's Annual Report on Form 10-K (File No. 001-38600) on February 28, 2020 |
| 10.1+ | 2016 Stock Incentive Plan and Irish Supplement and Forms of Option Grant Notice and Agreement and Exercise Notice and Form of Restricted Stock Grant Notice and Agreement thereunder, as amended to date | Previously filed as Exhibit 10.1 to the Company's Registration Statement on Form S-8 (File No. 333-226347) on July 26, 2018 |
| 10.2+ | 2012 Stock Incentive Plan and Form of Notice of Stock Option Grant and Form of Stock Option Agreement and Notice of Exercise and Common Stock Purchase Agreement thereunder, as amended to date | Previously filed as Exhibit 10.2 to the Company's Registration Statement on Form S-8 (File No. 333-226347) on July 26, 2018 |
| 10.3+ | 2018 Equity Incentive Plan and Forms of Stock Option Grant Notice and Agreement and Restricted Stock Unit Grant Notice and Agreement thereunder | Previously filed as Exhibit 10.4 to the Company's Registration Statement on Form S-8 (File No. 333-226347) on July 26, 2018 |
| 10.4 | Form of Performance Restricted Stock Unit Grant Notice and Agreement | Previously filed as Exhibit 10.1 to the Company's Current Report on Form 8-K (File No. 001-38600) filed on February 28, 2022 |
| 10.5+ | 2018 Employee Stock Purchase Plan | Previously filed as Exhibit 10.5 to the Company's Registration Statement on Form S-8 (File No. 333-226347) on July 26, 2018 |
| 10.6+ | Form of Indemnification Agreement by and between Tenable Holdings, Inc. and each of its directors and executive officers | Previously filed as Exhibit 10.6 to the Company's Registration Statement on Form S-1 (File No. 333-226002) on July 16, 2018 |
| 10.7+ | Amended and Restated Employment Agreement, dated as of February 20, 2019, by and between Tenable, Inc. and Amit Yoran | Previously filed as Exhibit 10.1 to the Company's Current Report on Form 8-K (File No. 001-38600) on February 22, 2019 |
| 10.8+ | Amendment No. 1 to Amended and Restated Employment Agreement, dated August 5, 2025, by and between Tenable, Inc. and Stephen A. Vintz | Previously filed as Exhibit 10.2 to the Company's Quarterly Report on Form 10-Q (File No. 001-38600) on August 8, 2025 |
| 10.9+ | Amendment No. 1 to Employment Agreement, dated August 5, 2025, by and between Tenable, Inc. and Mark Thurmond | Previously filed as Exhibit 10.3 to the Company's Quarterly Report on Form 10-Q (File No. 001-38600) on August 8, 2025 |
| 10.10+ | Employment Agreement, dated August 19, 2025, by and between Tenable, Inc. and Matthew Brown | Previously filed as Exhibit 10.1 to the Company's Current Report on Form 8-K (File No. 001-38600) on August 21, 2025 |
| 10.11# | Distribution Agreement, dated as of September 10, 2012, by and between Tenable Network Security, Inc. and Ingram Micro, Inc. | Previously filed as Exhibit 10.12 to the Company's Registration Statement on Form S-1 (File No. 333-226002) on July 16, 2018 |
| 10.12 | Credit Agreement, dated as of July 7, 2021, by and among Tenable, Inc., the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent and collateral agent. | Previously filed as Exhibit 10.2 to the Company's Form 10-Q (File No. 001-38600) on August 2, 2021 |
| 10.13+ | Form of Restricted Stock Unit Grant Notice and Agreement under the 2018 Equity Incentive Plan | Previously filed as Exhibit 10.2 to the Company's Form 10-Q (File No. 001-38600) on August 2, 2023 |
| 10.14+ | Form of Restricted Stock Unit Grant Notice and Agreement under the 2018 Equity Incentive Plan | Previously filed as Exhibit 10.1 to the Company's Form 10-Q (File No. 001-38600) on November 9, 2023 |
| 10.15 | Amendment No. 1 to Credit Agreement, dated as of June 1, 2023, by and among Tenable, Inc., the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent and collateral agent. | Previously filed as Exhibit 10.1 to the Company's Form 10-Q (File No. 001-38600) on August 2, 2023 |
| 10.16+ | Non-Employee Director Compensation Policy | Previously filed as Exhibit 10.1 to the Company's Form 10-Q (File No. 001-38600) on August 8, 2025 |
| 10.17+ | Amended and Restated Employment Agreement, dated as of February 20, 2019, by and between Tenable, Inc. and Stephen A. Vintz | Previously filed as Exhibit 10.2 to the Company's Current Report on Form 8-K (File No. 001-38600) on February 22, 2019 |
| 10.18+ | Employment Agreement, dated as of January 1, 2020, by and between Tenable, Inc. and Mark Thurmond | Previously filed as Exhibit 10.11 to the Company's Annual Report on Form 10-K (File No. 001-38600) on February 24, 2023 |
| 19.1 | Tenable Holdings, Inc. Insider Trading Policy | Previously filed as Exhibit 19.1 to the Company's Annual Report on Form 10-K (File No. 001-38600) on February 21, 2025 |
| 21.1 | Subsidiaries of Tenable Holdings, Inc. | Filed herewith |
| 23.1 | Consent of Ernst & Young LLP, independent registered public accounting firm | Filed herewith |
| 24.1 | Power of Attorney | Filed herewith |
| 31.1 | Certification of the Principal Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 | Filed herewith |
| 31.2 | Certification of the Principal Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) under the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 | Filed herewith |
| 32.1* | Certification of the Principal Executive Officer and the Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 | Furnished herewith |
| 97.1 | Incentive Compensation Recoupment Policy | Previously filed as Exhibit 97.1 to the Company's Annual Report on Form 10-K (File No. 001-38600) on February 28, 2024 |
| 101.SCH | Inline XBRL Taxonomy Extension Schema Document | |
| 101.CAL | Inline XBRL Taxonomy Extension Calculation Linkbase Document | |
| 101.DEF | Inline XBRL Taxonomy Extension Definition Linkbase Document | |
| 101.LAB | Inline XBRL Taxonomy Extension Label Linkbase Document | |
| 101.PRE | Inline XBRL Taxonomy Extension Presentation Linkbase Document | |
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101.SCH, 101.CAL, 101.DEF, 101.LAB and 101.PRE) |
(*) This certification is deemed not filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.
(+) Indicates management contract or compensatory plan.
(#) Confidential treatment has been granted as to certain portions, indicated by asterisks, which portions have been omitted and filed separately with the Securities and Exchange Commission.
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