Tenable Holdings SEC Filings

Insider transactions at Tenable Holdings (TENB): Stephen A. Vintz, Co-Chief Executive Officer and director, reported multiple automatic acquisitions and one sale tied to vesting of restricted stock units. On 08/22/2025 and 08/25/2025 he was credited with a series of RSU and performance RSU vestings totaling incremental additions to his beneficial ownership, bringing holdings to 366,143 shares before an automatic tax-withholding sale. On 08/25/2025 he reported a sell-to-cover transaction of 29,196 shares at $30.25 per share to satisfy tax withholding obligations related to RSU vesting. All holdings are reported as direct beneficial ownership.

Tenable Holdings insider report: Mark C. Thurmond, Co-Chief Executive Officer and director, filed a Form 4 disclosing multiple automatic acquisitions and a single taxable sale. On 08/22/2025 and 08/25/2025 he was credited with a series of vested RSUs and PRSUs totaling multiple grant-year vesting events, increasing his direct beneficial holdings from 73,889 shares to 107,542 shares after the 08/25/2025 transactions. On 08/25/2025 he recorded a sell-to-cover disposition of 28,500 shares at $30.25 per share to satisfy tax-withholding obligations related to RSU vesting. All acquisitions show $0 purchase price (vesting) and ownership is reported as direct.

Tenable Holdings, Inc. (TENB) Form 144 notice reports a proposed sale of 3,464 common shares by a person for whose account the securities were acquired through restricted stock vesting on 08/25/2025 and paid as compensation the same day. The shares have an aggregate market value of $103,381.00 and the filing lists 121,094,958 shares outstanding for the class. The broker identified is Fidelity Brokerage Services LLC and the planned sale date is 08/26/2025 on NASDAQ. The filer also disclosed two prior sales in the past three months totaling 32,582 shares with gross proceeds of $993,148.68.

Tenable Holdings insiders filed a Form 144 proposing to sell 670 shares of common stock through Fidelity Brokerage Services on NASDAQ, with an aggregate market value of $19,995.75 and an approximate sale date of 08/26/2025. The 670 shares were acquired via restricted stock vesting on 08/25/2025 and the payment nature is listed as compensation. The filing lists prior insider sales over the past three months totaling 52,323 shares across multiple sellers, with gross proceeds recorded for each transaction. The filer affirms no undisclosed material adverse information.

Tenable Holdings, Inc. (TENB) Form 144 shows a proposed sale under Rule 144 of 2,541 common shares through Fidelity Brokerage Services with an aggregate market value of $75,834.62, planned for 08/26/2025 on NASDAQ. The filer reports those shares were acquired on 08/25/2025 via restricted stock vesting and paid as compensation. The filing also lists two recent sales by the same person in the past three months: 2,483 shares (05/27/2025) for $80,571.62 and 28,500 shares (08/25/2025) for $862,219.04. The notice includes the required representation that the seller is unaware of undisclosed material adverse information.

Tenable Holdings CFO received a grant of 232,712 restricted stock units (RSUs) that represent the right to one share of common stock each. The RSUs were granted on 08/21/2025 at zero per-share price and are reported as beneficially owned by the reporting person following the transaction. The award vests in equal quarterly installments over four years beginning with the first vesting on 11/21/2025, subject to continuous service and specified accelerated-vesting conditions. The Form 4 was filed jointly for one reporting person and signed by an attorney-in-fact on 08/25/2025.

Matthew Charles Brown, serving as Chief Financial Officer of Tenable Holdings, Inc. (TENB), filed an Initial Statement of Beneficial Ownership (Form 3) reflecting the event date 08/21/2025. The filing states that the reporting person does not beneficially own any securities of the issuer. The form is executed by an attorney-in-fact and includes an Exhibit 24 power of attorney. This filing is a routine disclosure under Section 16 reporting the officer's initial status and confirms no direct or indirect ownership position was recorded on the form.

Tenable Holdings, Inc. (TENB) filing a Form 144 notifies the market of a proposed sale of 28,500 common shares with an aggregate market value of $862,219.04, planned approximately for 08/25/2025 on NASDAQ. The filing reports the shares were acquired on 08/22/2025 through restricted stock vesting from the issuer and were paid as compensation.

The filing also discloses a prior sale by the same person: 2,483 common shares sold on 05/27/2025 for gross proceeds of $80,571.62. The form includes a representation that the signer does not possess undisclosed material adverse information. Certain issuer contact fields in the Form 144 content are blank or not provided in the document.

Tenable Holdings, Inc. (TENB) Form 144 reports a proposed sale of 1,261 shares of common stock to be executed through Fidelity Brokerage Services on 08/25/2025 on NASDAQ, with an aggregate market value of $38,149.42. The filer states total shares outstanding of 121,094,958. The shares were acquired on 08/22/2025 through restricted stock vesting from the issuer and the payment nature is listed as compensation.

The filing also discloses recent insider sales by related persons during the past three months: James B. Anschutz sold 655 shares on 05/27/2025 (gross proceeds $21,254.29) and 970 shares on 07/17/2025 (gross proceeds $32,087.60); Stephen Vintz sold 3,386 shares on 05/27/2025 (gross proceeds $109,873.33); Bridgett Paradise sold 1,518 shares on 05/27/2025 (gross proceeds $49,258.04). The form includes the standard representation that the seller is not aware of undisclosed material adverse information.