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 had a shareholder file a Form 144 notice to sell 582 shares of its common stock through Fidelity Brokerage Services on 02/17/2026, to be traded on NASDAQ. The filing lists an aggregate market value of 48629.25 for these shares, compared with 60014632 common shares outstanding.
The securities were acquired on 02/13/2026 via restricted stock vesting from the issuer as compensation, and the same date is shown as the payment date. The signer represents they are not aware of any undisclosed material adverse information about Mercury Systems.
JANA Partners Management, LP reported an open-market sale of 400,000 shares of Mercury Systems common stock at $81 per share on February 9, 2026. The position is held indirectly through funds and accounts it manages.
After this transaction, JANA reported 4,566,675 shares beneficially owned indirectly. JANA describes the sale as rebalancing the holdings of its managed funds and accounts and disclaims beneficial ownership beyond its pecuniary interest. JANA may be deemed a director by deputization because a managing partner serves on Mercury’s board.
Mercury Systems, Inc. reported higher sales but continued losses for its fiscal second quarter ended December 26, 2025. Net revenues rose to $232.9 million from $223.1 million a year earlier, while net loss narrowed to $15.1 million from $17.6 million.
For the first six months, revenue reached $458.1 million with a net loss of $27.6 million. Operating cash flow was positive at $53.8 million, and cash and cash equivalents increased to $335.0 million. Long-term debt remained $591.5 million.
The company booked $5.6 million in restructuring charges tied to workforce reductions of about 100 positions and repurchased and retired 221,510 shares for $15.0 million under a new $200 million buyback authorization. Mercury also disclosed a $5.0 million payment to its former CEO under a settlement and a securities class action settlement in principle for $32.5 million, recorded as equal receivable and payable balances. Management noted an internal investigation into certain historical test results on a government-related program and outlined potential regulatory and financial risks if future findings identify noncompliance.
Mercury Systems, Inc. filed a current report to share its financial results for the second quarter ended December 26, 2025. The company issued a press release and an earnings presentation, which are included as exhibits to the report and provide detailed quarterly performance information.
Mercury highlights several non-GAAP metrics alongside GAAP results, including adjusted EBITDA, adjusted income, adjusted EPS, and free cash flow. Management states that these measures exclude certain non-cash and specified charges and are used internally to evaluate performance over time, compare against the marketplace, and set operational goals, while emphasizing they are not a substitute for GAAP figures.
Mercury Systems director Barry R. Nearhos reported receiving additional equity-based compensation. On January 15, 2026, he was granted 474 deferred stock units (DSUs), recorded as an acquisition of common stock at $0 per share in lieu of a quarterly cash retainer for board service. These DSUs are fully vested on the grant date but will not convert into shares of common stock until he ceases to serve on the Board of Directors.
Following this grant, Nearhos is shown as beneficially owning 31,079 shares of common stock directly, plus an additional 3,500 shares indirectly held by his spouse. The filing reflects routine director compensation and updated ownership totals rather than any open-market purchase or sale.
Mercury Systems (MRCY): A senior officer reported a stock sale. On 11/12/2025, the company’s SVP and Chief Accounting Officer sold 1,329 shares of common stock at a weighted average price of $73.4159.
Following the transaction, the reporting person directly holds 14,678 shares and indirectly holds 222 shares via a 401(k) plan. The sale was executed in multiple trades within a price range of $73.415 to $73.424.
Mercury Systems (MRCY): Form 4 insider transaction. JANA Partners Management, LP reported a sale of 1,000,000 shares of common stock on 11/06/2025, coded “S” (sale), at a price of $75.45 per share. Following the transaction, JANA reported 4,966,675 shares beneficially owned on an indirect basis.
The filing notes the trade was made to rebalance holdings across funds and accounts managed by JANA. The firm disclaims beneficial ownership beyond any pecuniary interest. JANA may be deemed a director by deputization because its managing partner, Scott Ostfeld, serves on Mercury’s board.
Mercury Systems (MRCY): Director stock sale. A director reported selling 1,700 shares of common stock on 11/07/2025 at $73.9906 per share (Form 4, code S). After this transaction, the director directly owns 16,833 shares. The filing was made by one reporting person and was signed by an attorney-in-fact on 11/10/2025.
Mercury Systems, Inc. filed a Form S-8 to register 1,900,000 shares of common stock for issuance under its 2025 Long Term Incentive Plan. The filing states it is being made solely to cover these shares for awards to plan participants.
The company incorporates by reference its most recent Annual Report on Form 10-K (fiscal year ended June 27, 2025), Proxy Statement (as specifically incorporated), Quarterly Report on Form 10-Q for the quarter ended September 26, 2025, and certain Current Reports on Form 8-K. Standard Massachusetts indemnification provisions and related company bylaws and insurance are described, and customary exhibits include the LTIP, legal opinion, and consents.
Mercury Systems (MRCY) reported first-quarter fiscal 2026 results. Net revenues were $225,209, up from $204,431 a year ago. Gross margin was $62,899. The company posted a loss from operations of $(8,597) and a net loss of $(12,515), or $(0.21) per share. Cash from operating activities improved to $2,182 from $(14,660) in the prior year. Cash and cash equivalents were $304,716 and long‑term debt was $591,500.
Revenue mix included $111,466 from C4I applications. Remaining performance obligations totaled $782,643, with 54% expected over the next 12 months. The company reduced its workforce by about 40 positions, recording $1,584 in severance. Subsequent to quarter-end, the board authorized a share repurchase program of up to $200,000, and the revolving credit facility was amended to an $850,000 facility maturing on November 4, 2030. Major customers each contributing 10%+ of revenue included Lockheed Martin (13%), RTX (10%), and Northrop Grumman (10%). Shares outstanding were 60,100,136 as of October 31, 2025.