Mercury Systems, Inc. filed a Form 8-K on September 18, 2026, disclosing that the Essex County Superior Court for the Commonwealth of Massachusetts entered orders granting preliminary approval of a proposed settlement of two stockholder derivative actions.

Key Highlights

  • Two derivative actions settled: The cases are Jones v. Aslett, et al., Civil Action No. 2577CV00600, and McKinnon vs. Aslett, et al., Civil Action No. 2577CV01299-A, both in Massachusetts Superior Court.
  • Preliminary approval orders entered: The Court entered its orders on September 9, 2026 and September 15, 2026, respectively.
  • Settlement agreement reached July 9, 2026: The parties agreed to the settlement terms on that date, and plaintiffs filed a motion for preliminary approval on July 14, 2026.
  • Prior disclosure in annual report: The proposed settlement was previously disclosed in the company's Annual Report for the fiscal year ended July 3, 2026, under Note K, "Commitments and Contingencies."
  • Settlement documents attached as exhibits: The Stipulation and Agreement of Settlement and a Notice of Proposed Derivative Settlement are filed as Exhibits 99.1 and 99.2.

Mercury Systems Receives Preliminary Court Approval on Stockholder Derivative Settlement

According to the filing, the Essex County Superior Court for the Commonwealth of Massachusetts entered orders granting preliminary approval of a proposed settlement resolving two stockholder derivative actions against Mercury Systems, Inc. (NASDAQ:MRCY). The first order was entered on September 9, 2026, related to Jones v. Aslett, et al., Civil Action No. 2577CV00600, and the second on September 15, 2026, related to McKinnon vs. Aslett, et al., Civil Action No. 2577CV01299-A. The filing refers to these cases collectively as the "Settled Matters."

The company disclosed that the parties to the Settled Matters agreed to a settlement to resolve these matters on July 9, 2026. Plaintiffs subsequently filed a motion for preliminary approval of the proposed settlement on July 14, 2026, including a Stipulation and Agreement of Settlement. Pursuant to the Court's preliminary approval orders, the Stipulation and Agreement of Settlement and a Notice of Proposed Derivative Settlement were attached to the 8-K as Exhibits 99.1 and 99.2, respectively.

The filing also noted that the proposed settlement had been previously disclosed in Mercury Systems' Annual Report on Form 10-K for the fiscal year ended July 3, 2026, specifically in the notes to the financial statements under Note K, "Commitments and Contingencies," under the heading "Legal Claims." The 8-K was signed by Stuart H. Kupinsky, Executive Vice President, Chief Legal Officer, and Corporate Secretary, on behalf of the registrant.

What Was Disclosed

Mercury Systems reported that a Massachusetts Superior Court granted preliminary approval of a settlement resolving two stockholder derivative lawsuits. The settlement was agreed upon July 9, 2026, and supporting documents have been filed as exhibits to this 8-K.