Welcome to our dedicated page for Mercury Sys SEC filings (Ticker: MRCY), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Locating program backlogs, classified contract risks, and acquisition details in Mercury Systems’ dense disclosures can feel like mission planning without a map. Mercury Systems SEC filings explained simply are critical because defense contractors must report complex export-control notes, cybersecurity clauses, and multi-year government funding streams that easily span hundreds of pages.
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Mercury Systems (MRCY)
Auditor KPMG LLP was ratified. Following the meeting, the Board named William L. Ballhaus as Chairman and Barry R. Nearhos as Lead Independent Director, and set committee memberships for the coming year, including Barry R. Nearhos (Audit Chair), Lisa S. Disbrow (Government Relations Chair), Howard L. Lance (Human Capital and Compensation Chair), Orlando P. Carvalho (M&A and Finance Chair), and Barry R. Nearhos (Nominating and Governance Chair).
Mercury Systems (MRCY) reported a director’s acquisition of 2,362 deferred stock units (recorded as common stock with footnote) at $0 on 10/22/2025. Following the transaction, the director beneficially owns 7,815 shares directly.
The filing notes these are deferred stock units (DSUs) that vest on the earlier of the first anniversary of the grant date or the next annual meeting of shareholders. Vested DSUs convert into common stock only when the director ceases to serve on the Board.
Mercury Systems (MRCY): JANA Partners Management, LP filed a Form 4 reporting the acquisition of 2,362 shares of common stock on 10/22/2025 at a price of $0, recorded as director compensation via deferred stock units (DSUs). Following the transaction, 5,966,675 shares are reported as indirectly beneficially owned. The DSUs vest on the earlier of the first anniversary of the grant date or the next annual meeting of shareholders, and convert into common stock only when Scott Ostfeld ceases to serve on the board.
Mercury Systems (MRCY) reported a director acquisition of equity under a routine compensation grant. On 10/22/2025, the director acquired 2,362 deferred stock units (DSUs) at $0.
The DSUs vest on the earlier of the first anniversary of the grant date or the next annual meeting of shareholders, and convert into common stock only when the director leaves the Board. Following the transaction, the director’s beneficial ownership was 18,533 shares, held directly.
Mercury Systems (MRCY) reported an insider transaction on 10/22/2025. A director acquired 2,362 deferred stock units (DSUs) at a price of $0.
The DSUs vest on the earlier of the first anniversary of the grant date and the next annual meeting of shareholders, and they convert into common stock only when the director ceases to serve on the Board. After the grant, the reporting person beneficially owned 17,481 shares, held directly.
Mercury Systems (MRCY) reported a director’s equity award on Form 4. On 10/22/2025, the director acquired 2,362 deferred stock units (DSUs) at $0 per unit.
Following this transaction, the director beneficially owns 30,605 shares directly, plus 3,500 shares indirectly through a spouse. The DSUs vest on the earlier of the first anniversary of the grant date or the next annual meeting of shareholders and convert into common stock when the director leaves the Board.
Mercury Systems (MRCY) reported an insider equity grant. A company director acquired 2,362 shares of common stock on 10/22/2025 at $0, recorded as restricted stock units that vest on the earlier of the first anniversary of the grant date and the next annual meeting of shareholders.
Following the transaction, the director’s beneficial ownership stands at 32,104 shares held directly and 9,250 shares held indirectly through The Howard L. Lance Revocable Living Trust dated 9/1/2006.
Mercury Systems (MRCY) reported a director equity grant. On 10/22/2025, a director acquired 2,362 shares reported as restricted stock units, recorded at a price of $0. Following this award, the director beneficially owned 59,448 shares, held directly.
The filing states the restricted stock units vest on the earlier of the first anniversary of the grant date and the next annual meeting of shareholders. This is a routine equity compensation update for board service and does not reflect an open-market purchase or sale.
Mercury Systems (MRCY) reported a director equity award on 10/22/2025. The insider acquired 2,362 shares of common stock via restricted stock units at $0.
Following the transaction, the director directly owns 31,236 shares. The filing states these RSUs vest on the earlier of the first anniversary of the grant date and the next annual meeting of shareholders.
Mercury Systems (MRCY) disclosed that a director reported receiving 487 deferred stock units (DSUs) on 10/16/2025 in lieu of a quarterly cash retainer, at a stated price of $0. These DSUs were fully vested upon grant and convert into common stock when the director ceases board service.
Following the reported transaction, the director’s beneficial ownership was 28,243 shares held directly, plus 3,500 shares held indirectly by a spouse.
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