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 INC (MRCY) insider David E. Farnsworth filed a notice of proposed sale of common stock under Rule 144. The notice covers 8,155 shares held at Fidelity Brokerage Services, with a stated value of 817995.43, and references prior sales over the past three months. The filing notes that part of the sale is intended to cover tax obligations arising from the settlement of a vested equity award distribution.
MERCURY SYSTEMS INC (MRCY) is named as the issuer in a notice of proposed sales of its common stock under Rule 144 by officer Stuart Kupinsky. The notice covers planned sales of 1,308 shares of common stock through Fidelity Brokerage Services LLC on or after August 19, 2026. The securities relate to restricted stock vesting on August 18, 2026, received as compensation. The disclosure notes that the sale amount includes shares needed to cover a tax obligation arising from settlement of the vested equity award.
MERCURY SYSTEMS INC (MRCY) is the issuer for which Steven V. Ratner has filed a Rule 144 notice covering a proposed sale of 2,187 common shares, held at Fidelity Brokerage Services LLC and valued at $219,369.22, with an anticipated sale date of August 19, 2026 on NASDAQ. The shares arise from restricted stock vesting on August 18, 2026 as compensation, and the filer notes that the sale includes shares to cover a tax obligation from settlement of a vested equity award distribution. In the prior three months, Ratner sold 1,084 shares for $119,186.78 on August 17, 2026 and 1,971 shares for $219,486.03 on August 18, 2026.
MERCURY SYSTEMS INC (MRCY) insider Douglas Munro, identified as an officer, has filed a notice of proposed sale of company securities under Rule 144. The notice covers the planned sale of 548 shares of MRCY common stock held at Fidelity Brokerage Services LLC, with an indicated value of $54,967.69 as of August 19, 2026 on NASDAQ. The shares derive from a restricted stock vesting event on August 18, 2026 and are classified as compensation. Munro also reports prior sales over the past three months of 404 shares for $44,420.17 on August 17, 2026 and 494 shares for $55,010.70 on August 18, 2026. The filing notes that the sale includes shares needed to cover a tax obligation from the vested equity award.
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.