Director Jean A. Bua filed a Form 4 with the SEC on October 29, 2026, disclosing the acquisition of 2,348 deferred stock units in Mercury Systems Inc on October 28, 2026, at no cost.

Key Highlights

  • Reporting person: Jean A. Bua, Director of Mercury Systems Inc (NASDAQ:MRCY)
  • Transaction date: October 28, 2026
  • Securities acquired: 2,348 deferred stock units (DSUs) in Common Stock, acquired at a price of $0
  • Transaction code: A (acquisition)
  • Post-transaction holdings: 10,163 shares of Common Stock beneficially owned directly following the reported transaction
  • Vesting terms: DSUs vest on the earlier of the first anniversary of the grant date and the next annual meeting of shareholders
  • Conversion condition: Vested DSUs do not convert into shares of Common Stock until the reporting person ceases to be a member of the Board of Directors

Mercury Systems Director Jean Bua Receives Annual DSU Grant

According to the filing, Jean A. Bua, a director of Mercury Systems Inc, acquired 2,348 deferred stock units on October 28, 2026, at a price of $0 per unit. The transaction was recorded under transaction code "A," indicating an acquisition. Following this transaction, the filing reports that Bua directly beneficially owns 10,163 shares of Common Stock.

The filing includes a footnote explaining that the units "represent deferred stock units (DSUs) that vest on the earlier of the first anniversary of the grant date and the next annual meeting of shareholders." According to the disclosure, vested DSUs do not convert into shares of Common Stock until the date on which the reporting person ceases to be a member of the Board of Directors. No derivative securities transactions were reported in Table II of the filing.

The Form 4 was signed by Douglas Munro as attorney-in-fact on October 29, 2026. The filing was made pursuant to Section 16(a) of the Securities Exchange Act of 1934. Mercury Systems Inc is listed on NASDAQ under the symbol MRCY, with its principal address listed as 50 Minuteman Road, Andover, Massachusetts 01810.

What Was Disclosed

Director Jean A. Bua reported the acquisition of 2,348 deferred stock units in Mercury Systems Inc on October 28, 2026, at no cost, bringing her total direct beneficial ownership to 10,163 shares. The DSUs convert to Common Stock only upon departure from the Board.