Mercury Systems, Inc. filed a Form 8-K on November 10, 2026, disclosing first-quarter financial results, the formalization of David E. Farnsworth's role as Chief Operating Officer, and the appointment of Brian Caulfield as acting Chief Accounting Officer following Douglas Munro's departure.

Key Highlights

  • Farnsworth named COO: David E. Farnsworth's role as Chief Operating Officer was formalized on November 10, 2026, in addition to his existing title of Executive Vice President and Chief Financial Officer.
  • RSU award for Farnsworth: In connection with the COO appointment, Farnsworth will receive a restricted stock unit award with an aggregate value of $500,000 under the Company's 2025 Long Term Incentive Plan, vesting in equal installments on each of the first three anniversaries of the November 16, 2026 grant date.
  • Munro departure: Douglas Munro, Senior Vice President and Chief Accounting Officer, informed the Company on November 4, 2026 that his last day would be November 13, 2026, to accept a role outside the Company.
  • Caulfield appointed acting CAO: Brian Caulfield, age 39, was appointed acting Chief Accounting Officer effective November 13, 2026, on an interim basis while a permanent search is conducted.
  • Retention bonus for Caulfield: Caulfield entered into a $50,000 retention bonus agreement, payable in 50% increments on May 13, 2027 and November 13, 2027, contingent on continued employment or prior termination without cause.
  • Q1 results disclosed: A press release and earnings presentation covering financial results for the first quarter ended October 2, 2026 were attached as exhibits to the filing.

Mercury Systems Formalizes Executive Roles and Discloses Q1 Results

Mercury Systems, Inc. (NASDAQ:MRCY) filed a current report on November 10, 2026, covering two items: the release of first-quarter financial results and a series of executive officer changes. According to the filing, the Company issued a press release and an earnings presentation on the same date regarding its financial results for the first quarter ended October 2, 2026. Those documents were attached as exhibits 99.1 and 99.2 and were not deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as the filing noted.

On the leadership side, the filing disclosed that David E. Farnsworth's role as Chief Operating Officer was formalized on November 10, 2026, to run alongside his existing responsibilities as Executive Vice President and Chief Financial Officer. In connection with that appointment, the Company disclosed that Farnsworth will receive a restricted stock unit award valued at $500,000. The number of shares will be determined by dividing $500,000 by the average closing price of the Company's common stock during the 30 calendar days prior to the November 16, 2026 grant date. The filing noted that the terms and conditions of the award are identical to RSUs granted to other named executive officers on August 17, 2026, and that there were no other changes to Farnsworth's compensation.

Separately, the filing disclosed that Douglas Munro notified the Company on November 4, 2026 of his resignation as Senior Vice President and Chief Accounting Officer, with November 13, 2026 as his last day. The filing stated that "his decision was not the result of any disagreement relating to the Company's operations, policies, or practices." Brian Caulfield, who has been with the Company since 2014 and most recently served as Corporate Controller from 2024 to the present, was appointed acting Chief Accounting Officer effective November 13, 2026. Caulfield holds an MBA from Rivier University, a B.S. in Accounting from Fairfield University, and a CPA license in Massachusetts, and previously held positions at Ernst & Young. His $50,000 retention bonus is payable in two equal installments contingent on continued employment.

What Was Disclosed

Mercury Systems filed this current report to disclose Q1 fiscal results for the quarter ended October 2, 2026, the addition of COO responsibilities for CFO David Farnsworth along with a $500,000 RSU award, and the departure of Chief Accounting Officer Douglas Munro alongside Brian Caulfield's interim appointment.