Tenable Holdings, Inc.
For the period ended Sep 30, 2026. Filed Nov 3, 2026.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 3, 2026
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Item 5. Other Information
Rule 10b5-1 Plan Elections
Mark Thurmond, our Co-Chief Executive Officer, entered into a prearranged stock trading plan on August 3, 2026. Mr. Thurmond's plan includes the potential sale of 172,357 shares of our common stock between November 13, 2026 and August 5, 2027. Of the shares of common stock that may be sold pursuant to Mr. Thurmond's plan,108,591 are shares to be issued upon the vesting of restricted stock units or the vesting and attainment of performance stock units and include shares that will be automatically sold to cover mandatory tax withholding obligations.
Stephen Vintz, our Co-Chief Executive Officer, entered into a prearranged stock trading plan on August 6, 2026. Mr. Vintz's plan includes the potential sale of 250,000 shares of our common stock between November 13, 2026 and May 13, 2027.
Art Coviello, amember of our Board of Directors, entered into a prearranged stock trading plan on August 5, 2026. Mr. Coviello's plan includes the potential sale of 12,000 shares of our common stock between November 13, 2026 and February 28, 2027. Additionally, pursuant to Mr. Coviello's plan,12,572 shares of our common stock will be gifted.
All of the trading plans above were entered into during an open insider trading window and are intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and our policies regarding insider transactions.
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