Welcome to our dedicated page for Tenable Holdings SEC filings (Ticker: TENB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tenable Holdings, Inc. filings document the public-company reporting record for a cybersecurity software issuer focused on exposure management. Its Form 8-K reports furnish quarterly and annual operating results, financial condition updates, and capital actions such as board-approved increases to the company’s share repurchase program.
Proxy materials describe annual meeting matters, director elections, board recommendations, executive compensation, equity awards, and stockholder voting procedures. The filing record also includes material-event and capital-structure disclosures tied to governance, shareholder voting matters, and the company’s ongoing reporting obligations as a Nasdaq-listed operating company.
Tenable Holdings director and Co-Chief Executive Officer Mark C. Thurmond reported multiple equity transactions. He received a grant of 341,847 Restricted Stock Units (RSUs) at no cost, each representing one share of common stock, with 25% vesting on February 22, 2027 and the rest vesting quarterly over three years.
On February 25, 2026, 24,381 Performance RSUs were certified at a 97.2% payout and converted into 24,381 shares of common stock, with 25% vesting immediately and the remainder vesting in equal quarterly installments over three years. The filing also shows 11,789 shares of common stock withheld at $19.00 per share to satisfy tax obligations in connection with RSU settlement, which the footnotes state does not represent a sale.
Tenable Holdings reports 2025 revenue of $999.4 million, up from $900.0 million in 2024, an 11% increase driven by subscription growth, but it still posted a net loss of $36.1 million and has an accumulated deficit of $897.5 million.
The company positions itself as a leading exposure management and vulnerability management provider, with its AI-powered Tenable One platform spanning cloud, identity, operational technology and AI-related assets. At December 31, 2025, Tenable served over 40,000 customers, including about 65% of the Fortune 500 and about 50% of the Global 2000, and reported backlog of $159.9 million, up from $33.2 million a year earlier.
Tenable highlights heavy competition, ongoing net losses and reliance on renewals and expansions of term-based subscriptions as key risks, along with evolving cybersecurity threats, AI-related risks, data privacy regulation and geopolitical and macroeconomic uncertainty. As of February 20, 2026, it had 114,887,618 common shares outstanding and about 1,995 employees worldwide.
Tenable Holdings, Inc. Chief Financial Officer Matthew Charles Brown reported equity award activity. He exercised or converted 14,544 Restricted Stock Units into the same number of shares of common stock at $0.00 per share. To cover income tax obligations on this RSU settlement, 5,269 shares of common stock were withheld by the company at a price of $17.55 per share, which the filing notes does not represent a market sale. Following these transactions, Brown directly holds 18,541 shares of common stock and 203,624 RSUs, each RSU representing a contingent right to receive one share of common stock.
Tenable Holdings, Inc. co-CEO Mark C. Thurmond reported multiple equity award transactions involving restricted stock units and performance restricted stock units on Common Stock. Several awards vested and were settled into Common Stock at a price of $0.00 per share.
The transactions include derivative exercises such as 46,586 Restricted Stock Units converting into Common Stock and smaller blocks like 4,368 units, increasing his direct ownership. Separate Form 4 entries show share dispositions coded "F" at $17.55 per share that, according to the footnotes, represent shares withheld by the issuer to satisfy tax obligations rather than open-market sales.
Tenable Holdings, Inc. Chief Accounting Officer Anschutz Barron reported multiple equity award transactions on February 23, 2026. Barron exercised and converted restricted stock units (RSUs) into common stock in several lots, increasing direct ownership to 69,794 shares of common stock.
To cover income tax withholding for these RSU settlements, a total of several thousand shares of common stock were withheld by Tenable at $17.55 per share. A footnote states these F-code transactions represent shares withheld for tax obligations and do not represent market sales. Each RSU corresponds to one share of common stock, with grants vesting 25% on specific February dates and the remainder in equal quarterly installments over three years, subject to continued service and possible accelerated vesting in specified circumstances.
Tenable Holdings Co-Chief Executive Officer Stephen A. Vintz reported multiple equity award settlements and related share withholdings. On February 23, 2026, performance restricted stock units and restricted stock units converted into shares of common stock at no exercise price, reflecting previously granted incentive awards.
To cover income tax obligations from these vestings, the issuer withheld shares of common stock at $17.55 per share in several tax-withholding dispositions, which the disclosure states do not represent sales. After these transactions, Vintz directly held 415,917 shares of Tenable common stock.
Tenable Holdings director Raymond Vicks Jr. reported an open-market purchase of 4,500 shares of common stock on February 12, 2026, at a price of $22.17 per share. Following this trade, he directly owned 16,266 common shares.
In addition, 4,500 common shares are held indirectly for his granddaughter in a custodial account established under the Uniform Transfer to Minors Act, for which he serves as custodian.
Tenable Holdings, Inc. director Arthur W. Coviello Jr. reported an insider trade in the company’s common stock. On February 9, 2026, he was involved in multiple open-market transactions totaling 12,000 shares at a weighted average price of $21.50 per share.
The trades occurred within a price range of $21.47 to $21.51. Following these transactions, Coviello directly held 51,731 shares of Tenable common stock.
Tenable Holdings, Inc. filed a current report describing recent financial updates and capital return plans. The company reported financial results for the quarter and full year ended December 31, 2025 through a press release furnished as an exhibit.
The Board of Directors approved an increase to the existing share repurchase program of up to an additional $150 million on January 15, 2026. Repurchases may occur in the open market, through privately negotiated transactions, or other methods permitted under Securities and Exchange Commission rules.
Tenable Holdings, Inc. Chief Accounting Officer Anschutz Barron reported routine equity compensation activity. On January 16, 2026, 2,031 Restricted Stock Units converted into the same number of shares of common stock at an exercise price of $0. On the same date, 1,080 shares of common stock were withheld by the company at $22.12 per share to cover income tax withholding and remittance obligations, which the filing notes does not represent a sale. Following these transactions, Barron directly beneficially owned 64,448 shares of Tenable common stock.