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.
Mercury Systems Inc. filings document the regulatory record for a Massachusetts aerospace and defense technology company listed on Nasdaq under MRCY. Recent Form 8-K reports furnish earnings releases and presentations for quarterly and fiscal results, including GAAP operating measures and non-GAAP measures such as adjusted EBITDA, adjusted income, adjusted EPS, and free cash flow.
The company’s filings also record material financing and governance matters. Disclosures include amendments to its credit agreement and revolving credit facility, borrowing capacity, maturity, leverage-ratio provisions, and related covenant terms. Proxy and annual meeting filings cover director elections, executive compensation, shareholder voting results, long-term incentive plan approval, and other board and compensation governance items.
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.
Douglas Munro, Vice President and Chief Accounting Officer of Mercury Systems (MRCY), reported an insider sale on 09/16/2025. The Form 4 shows 67 shares of Mercury Systems common stock were sold under transaction code S as part of a sell-to-cover program at an attributed per-share price of $73.4042. After the transaction the reporting person beneficially owned 16,007 shares directly and an additional 222 shares indirectly through a 401(k) plan. The filing is signed and dated 09/17/2025.
Mercury Systems (MRCY) Form 144 notifies the market of a proposed sale of 67 common shares through Fidelity Brokerage Services with an aggregate market value of $4,918.08. The filing states the shares were acquired on 09/15/2025 via restricted stock vesting and were granted as compensation. The approximate sale date is listed as 09/16/2025 and the shares trade on NASDAQ.
The filing also discloses prior sales by the same person: 363 shares sold on 08/18/2025 for $24,145.42 and 376 shares sold on 08/19/2025 for $24,238.38. Some issuer and filer identifying details are not provided in the form content supplied.
Mercury Systems (MRCY) presents its 2025 definitive proxy statement and reports improving financial results while seeking shareholder approvals. Revenues rose 9.2% to $912.0 million from $835.3 million a year earlier. Net loss narrowed to $37.9 million from $137.6 million, and adjusted EBITDA improved to $119.4 million from $9.4 million. Operating cash flow was a company record of $138.9 million and free cash flow was $119.0 million. Total backlog reached a record $1.40 billion with $807.8 million expected to convert to revenue in fiscal 2026; bookings were $1.03 billion and book-to-bill was 1.13x.
The proxy seeks shareholder approval of the 2025 Long Term Incentive Plan and ratification of KPMG LLP as auditor for fiscal 2026. The filing describes governance and compensation practices, board refreshment, director qualifications and committee charters, admission and voting procedures for the October 22, 2025 annual meeting, and ESG disclosures available on the company website.
Steven Ratner, EVP and CHRO of Mercury Systems (MRCY), reported a sale of common stock. On 08/20/2025 he disposed of 7,000 shares in multiple trades at a weighted average price of $63.7589, with execution prices ranging from $63.73 to $63.88. After the reported transaction he beneficially owned 33,801 shares directly and held an indirect interest in 81 shares via a 401(k) plan. The Form 4 was signed on behalf of the reporting person on 08/25/2025.
Douglas Munro, Vice President and Chief Accounting Officer of Mercury Systems, reported two open-market sales of the issuer's common stock executed as sell-to-cover transactions to satisfy tax withholding on vested awards. On 08/18/2025 he sold 363 shares at a per-share price of $66.5163, leaving him with 16,450 shares beneficially owned after that transaction. On 08/19/2025 he sold 376 shares at $64.464, leaving 16,074 shares beneficially owned after that sale.
The filing also notes indirect ownership through a 401(k) plan and is signed by Mr. Munro on 08/20/2025. The disclosures identify the transactions as tax-related sell-to-cover sales and report direct ownership counts following each sale.
Steven Ratner, Executive Vice President and CHRO of Mercury Systems Inc. (MRCY), reported two sales of common stock executed as part of a sell-to-cover program to satisfy tax withholding on vested awards. On 08/18/2025 he sold 1,681 shares at $66.5163 per share, leaving 42,536 shares owned directly; on 08/19/2025 he sold 1,735 shares at $64.464 per share, leaving 40,801 shares owned directly. The filing also shows an indirect beneficial ownership of 81 shares held in a 401(k) plan. The seller certified these sales were to cover tax withholding obligations arising from vesting stock awards.
Stuart Kupinsky, EVP, CLO & Corporate Secretary of Mercury Systems (MRCY), reported routine sales of company stock to cover tax withholding upon vesting. The Form 4 shows he sold 1,182 shares on 08/18/2025 at $66.5163 per share and 1,220 shares on 08/19/2025 at $64.464 per share as part of a sell-to-cover program. After those sales his direct beneficial ownership is reported as 70,297 shares. He also holds 1,008 shares indirectly through a 401(k) plan. The filing is signed by an attorney-in-fact on 08/20/2025 and includes an explanation that the sales satisfied tax withholding obligations related to vested awards.
David E. Farnsworth, EVP and CFO of Mercury Systems Inc. (MRCY), reported two sales of common stock under a sell-to-cover program tied to vesting of stock awards. On 08/18/2025 he sold 7,339 shares at $66.5163 per share, leaving 168,898 shares beneficially owned. On 08/19/2025 he sold 7,572 shares at $64.464 per share, leaving 161,326 shares beneficially owned. The filing also shows indirect ownership of 1,292 shares through a 401(k) plan. The filing states these sales were executed to satisfy tax withholding obligations upon vesting of stock awards.