The John and Sandra Thompson Trust, whose relationship to Rubrik Inc is listed as Director, filed a Form 144 on November 2, 2026, giving notice of a proposed sale of 5,000 shares of Rubrik Inc common stock on the NYSE.

Key Highlights

  • Proposed sale: 5,000 shares of Rubrik Inc common stock with an aggregate market value of $620,750.00, according to the filing.
  • Approximate sale date: November 2, 2026, to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services.
  • Original acquisition: The 5,000 shares were acquired on February 26, 2014, via a private acquisition from the issuer, with payment listed as N/A.
  • Shares outstanding: The filing lists 167,367,143 shares of Rubrik Inc common stock outstanding.
  • 10b5-1 plan date: The trading plan was adopted on October 6, 2025, according to the notice.
  • Prior sales in past 3 months: The trust sold 2,500 shares on each of October 1, September 1, and August 3, 2026, for gross proceeds of $289,191.00, $222,596.25, and $185,277.25, respectively, under a 10b5-1 plan.

Thompson Trust Discloses Proposed Rubrik Common Stock Sale Under 10b5-1 Plan

According to the Form 144 filed with the SEC on November 2, 2026, the John and Sandra Thompson Trust proposes to sell 5,000 shares of Rubrik Inc (NYSE:RBRK) common stock with a stated aggregate market value of $620,750.00. The trust is identified in the filing as having a Director relationship to the issuer. The proposed sale is to be carried out through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

The filing states that the 5,000 shares subject to this notice were acquired on February 26, 2014, through a private acquisition from Rubrik Inc, with no cash payment described. The notice indicates the trust is relying on a Rule 10b5-1 written trading plan adopted on October 6, 2025. By signing the notice, the filer represented that no material adverse information regarding the current and prospective operations of Rubrik Inc that has not been publicly disclosed is known to the person for whose account the securities are to be sold, as of the plan adoption date.

The filing also discloses sales during the past three months aggregated across the John and Sandra Thompson Trust and John W Thompson. The trust sold 2,500 shares on October 1, 2026, for gross proceeds of $289,191.00; 2,500 shares on September 1, 2026, for $222,596.25; and 2,500 shares on August 3, 2026, for $185,277.25, all under 10b5-1 plans. John W Thompson separately sold 11,000 shares on each of October 1, September 1, and August 3, 2026, for gross proceeds of $1,272,602.10, $979,347.60, and $815,107.70, respectively, also under 10b5-1 plans, as disclosed in the filing.

What Was Disclosed

The John and Sandra Thompson Trust filed a Form 144 proposing to sell 5,000 shares of Rubrik Inc common stock with an aggregate market value of $620,750.00 on November 2, 2026, under a 10b5-1 plan adopted October 6, 2025, through Morgan Stanley Smith Barney LLC.