Welcome to our dedicated page for MERCURY SYSTEMS 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.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on MERCURY SYSTEMS's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time SEC filing updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into MERCURY SYSTEMS's regulatory disclosures and financial reporting.
MERCURY SYSTEMS INC (MRCY) reported an insider equity change by executive vice president and chief human resources officer Steven Ratner. On 2026-08-14, Ratner disposed of 2,695 shares of common stock back to the issuer, at a reported price of $0.00 per share, in a transaction classified as a disposition to issuer. According to a footnote, these shares represented performance stock awards that were forfeited due to below-target performance of the awards. After this event, Ratner held 29,543 shares directly and an additional 356 shares indirectly through a 401K Plan.
MERCURY SYSTEMS INC (MRCY) reported that executive officer Stuart Kupinsky, EVP, CLO & Corp Sec, had 6,977 shares of common stock disposed of in a transaction with the issuer on 2026-08-14. According to a footnote, these shares represented performance stock awards that were forfeited due to below-target performance under the award terms. After this forfeiture, Kupinsky directly holds 61,033 shares of MRCY common stock and indirectly holds 1,233 shares through a 401K Plan.
For MERCURY SYSTEMS INC (MRCY), EVP and CFO David E. Farnsworth reported a disposition of 16,275 shares of common stock on 2026-08-14. These shares represented performance stock awards that were forfeited due to below-target performance and returned to the issuer. Following this forfeiture, Farnsworth directly holds 141,426 common shares and indirectly holds 1,516 shares through a 401K Plan.
For MERCURY SYSTEMS INC (MRCY), Chairman, President & CEO William L. Ballhaus reported a disposition of 70,287 shares of Common Stock on August 14, 2026, described as a "Disposition to issuer". A footnote states these shares represent performance stock awards that were forfeited due to below-target performance, rather than sold in the market. Following this forfeiture, Ballhaus directly holds 304,689.325 shares. He also reports indirect holdings of 1,403 shares through a 401K Plan and 7,066.173 shares held by Milestone Road Holdings, LLC.
Mercury Systems, Inc. (MRCY) reports fiscal 2026 revenue of $983.6 million and an adjusted EBITDA of $150.2 million, both up from fiscal 2025, while still posting a net loss of $29.7 million. The company is a defense‑focused electronics provider, with about 97% of revenue tied to U.S. and allied government defense programs and a growing mix of AI‑ready, secure edge‑processing solutions.
Mercury highlights a substantial backlog of $1.9 billion, including $996.0 million expected to convert to revenue within twelve months, and customer concentration with RTX, Lockheed Martin and Northrop Grumman each contributing at least 10% of 2026 revenue. The firm invests heavily in R&D, operates multiple AS9100/ISO‑certified and trusted facilities, and is targeting performance excellence, growth, margin expansion and cash generation amid supply‑chain, inflation, program‑funding and AI‑related risk factors.
Mercury Systems, Inc. (MRCY) reported fourth quarter and fiscal 2026 results showing strong demand but mixed profitability. For fiscal 2026, revenue was $983.6 million, up 8% year-over-year, while total bookings reached $1.55 billion, up 50%, producing a book-to-bill of 1.57 and record backlog of $1.95 billion, 38% higher than a year earlier.
Despite the demand strength, Mercury posted a fiscal 2026 GAAP net loss of $29.7 million (vs. a $37.9 million loss in 2025), but significantly improved profitability on a non-GAAP basis, with adjusted EBITDA of $150.2 million, up 26%, and adjusted EPS of $1.06 versus $0.64. Free cash flow declined to $68.1 million from $119.0 million, and cash fell to $214.3 million as the company reduced long‑term debt from $591.5 million to $441.5 million. Management highlighted record Q4 bookings of $659.6 million, a quarterly book‑to‑bill of 2.28, and increased FY27 targets for organic growth with expectations for adjusted EBITDA approaching $200 million.
MERCURY SYSTEMS INC (MRCY) received a Rule 144 notice indicating that William L. Ballhaus may sell up to 24,144 common shares through Fidelity Brokerage Services LLC on or after August 18, 2026. These shares were acquired on August 17, 2026 via restricted stock vesting as compensation, and part of the sale is intended to cover related tax obligations.
As context, 60,043,283 common shares were outstanding, and in the prior three months Ballhaus sold 3,536 shares for an aggregate of $388,786.39.
MERCURY SYSTEMS INC (MRCY) is the issuer for a notice of proposed sale of common stock under Rule 144 filed for the account of Stuart Kupinsky. The filing lists a proposed sale of 1,178 common shares through Fidelity Brokerage Services LLC and notes that the sale includes shares needed to cover a tax obligation from a vested equity award. It also reports that 1,195 common shares were sold in the prior three months.
MERCURY SYSTEMS INC (MRCY) is the issuer for which Steven V. Ratner has filed a Rule 144 notice covering planned sales of common stock. The notice lists 1,971 shares of common stock proposed to be sold through Fidelity Brokerage Services LLC, with an aggregate market value of $219,486.03, and indicates these shares relate to restricted stock that vested on 08/17/2026. The filing also reports that Ratner sold 1,084 shares of common stock during the prior three months for total proceeds of $119,186.78, with a remark that part of the sale is intended to cover tax obligations from a vested equity award distribution.
MERCURY SYSTEMS INC (MRCY) insider David E. Farnsworth filed a notice of proposed sale of common stock under Rule 144. The notice covers 7,347 shares of common stock, related to restricted stock vesting, with an aggregate market value of $818,145.03. A remark states that the sale includes an amount necessary to cover a tax obligation from settlement of a vested equity award distribution. Over the prior three months, Farnsworth reported selling 1,345 shares of common stock for $147,883.96.