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.
The Mercury Systems, Inc. (NASDAQ: MRCY) SEC filings page provides access to the company’s official regulatory disclosures as a Massachusetts-incorporated issuer in the aerospace and defense technology space. Mercury operates in search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing, and its filings offer detailed insight into how it finances and governs its mission-critical processing business.
Through this page, users can review annual reports on Form 10-K and quarterly reports on Form 10-Q, which discuss Mercury’s operations, risk factors, and financial results, including the use of non-GAAP metrics such as adjusted EBITDA, adjusted income, adjusted earnings per share, and free cash flow. Current reports on Form 8-K document material events such as amendments to the company’s revolving credit facility, the creation of direct financial obligations, share repurchase program authorizations, earnings releases, and outcomes of the annual meeting of shareholders.
Proxy statements on Form DEF 14A provide information on corporate governance, Board committee structure, director elections, and executive compensation matters. Investors interested in capital structure and liquidity can examine filings describing the company’s amended credit agreement, borrowing capacity, covenants, and related guarantees and security arrangements.
Stock Titan enhances these Mercury Systems SEC filings with AI-powered summaries that explain complex sections in plain language, helping users understand key points in lengthy 10-K and 10-Q reports. Real-time updates from EDGAR ensure that new 8-Ks, proxy statements, and other disclosures appear promptly. Users can also quickly locate Form 4 insider transaction reports, along with other ownership and governance-related filings, to see how Mercury’s executives and directors interact with the company’s stock over time.
William L. Ballhaus, Chairman, President & CEO of Mercury Systems (MRCY), reported sales of common stock on 08/18/2025 and 08/19/2025 under a sell-to-cover program to satisfy tax withholding upon vesting of stock awards. The filing lists a sale of 10,395 shares at an attributed price of $66.5163 on 08/18/2025 and a sale of 13,050 shares at $64.464 on 08/19/2025. Following the transactions the Form 4 shows direct beneficial ownership figures of 388,026.325 shares (after the 08/18 sale) and 374,976.325 shares (after the 08/19 sale), plus indirect holdings of 1,156 shares in a 401(k) plan and 7,066.173 shares held by Milestone Road Holdings, LLC. The Form is signed by an attorney-in-fact on 08/20/2025 and includes an explanation that the sales were executed to satisfy tax withholding obligations.
Mercury Systems, Inc. (MRCY) Form 144 notice shows an insider sale program for common stock. The filing indicates 7,000 shares are proposed to be sold on 08/20/2025 through Fidelity Brokerage Services on NASDAQ, with an aggregate market value of $446,312.19 and the company having 59,915,670 shares outstanding. The securities offered originate from recent restricted stock vesting events: 2,447 shares vested 08/15/2025, 4,552 shares vested 05/16/2025, and 1 share vested 08/17/2024, each listed as compensation. The filing also discloses three open-market sales by Steven Ratner totaling 5,255 shares during 06/16/2025–08/19/2025 for total gross proceeds shown per sale. The signer certifies no undisclosed material adverse information.
Munro Douglas, VP and CAO of Mercury Systems (MRCY), reported on Form 4 that he acquired 3,380 restricted stock units (RSUs) on 08/15/2025 at no cash price as part of a compensation grant. Following the award his beneficial ownership increased to 16,813 shares in total, with an additional indirect holding of 99 shares through a 401(k) plan. The RSUs are disclosed to vest in equal annual increments over the three years following the grant date, indicating a time-based retention feature. The filing was signed via attorney-in-fact on 08/19/2025.
Steven Ratner, EVP and CHRO of Mercury Systems (MRCY), was granted 9,043 restricted stock units on 08/15/2025. The award vests in equal annual increments over the three-year period following the grant date, converting to common shares if vested. After this grant, Mr. Ratner beneficially owns 44,217 shares of Mercury Systems common stock, with an additional 81 shares held in a 401(k) plan. The reported transaction lists the grant price as $0, indicating these are compensation-based restricted stock units rather than an open-market purchase.
Stuart Kupinsky, EVP, Chief Legal Officer and Corporate Secretary of Mercury Systems, reported an insider acquisition on 08/15/2025. He was granted 9,865 restricted stock units (RSUs) at $0 per unit, which represent equity compensation that vests in equal annual increments over three years. After the grant, Mr. Kupinsky beneficially owns 72,699 shares directly and 1,008 shares indirectly through a 401(k) plan. The Form 4 was signed by an attorney-in-fact on 08/19/2025. No derivative transactions or cash purchases were reported.
David E. Farnsworth, EVP and CFO of Mercury Systems (MRCY), received 13,153 restricted stock units on 08/15/2025 as a non‑cash award. The units vest in equal annual installments over three years. After the grant, Farnsworth beneficially owns 176,237 shares directly and 1,292 shares indirectly through a 401(k) plan. The award was recorded with a reported price of $0, indicating these are restricted stock units rather than an open‑market purchase. The filing reports routine insider compensation that increases the executive's equity stake and aligns his interests with shareholders.
William L. Ballhaus, Chairman, President & CEO of Mercury Systems, reported an insider grant dated 08/15/2025. The filing shows 44,940 restricted stock units (RSUs) were acquired at $0, and these RSUs vest in equal annual increments over the three years following the grant date. After the transaction, Ballhaus beneficially owns 398,421.325 shares directly, plus 1,156 shares indirectly via a 401(k) plan and 7,066.173 shares indirectly through Milestone Road Holdings, LLC. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 08/19/2025.
Mercury Systems, Inc. (MRCY) Form 144 shows a proposed sale of 1,220 common shares with an aggregate market value of $78,645.84. The shares were acquired on 08/18/2025 through restricted stock vesting and are designated for sale on or about 08/19/2025 on NASDAQ.
The filing lists 59,915,670 shares outstanding, and identifies a related recent sale: Stuart Kupinsky sold 1,182 common shares on 08/18/2025 for gross proceeds of $78,622.27. The notice includes the standard certification that the seller does not possess undisclosed material adverse information.
Form 144 notice for Mercury Systems, Inc. (MRCY): An individual intends to sell 7,572 restricted common shares acquired by restricted stock vesting on 08/18/2025. The filing lists an aggregate market value of $488,119.90 for the proposed sale and shows 59,915,670 shares outstanding. The broker is Fidelity Brokerage Services LLC and the approximate sale date is 08/19/2025 on NASDAQ. The acquisition and payment are recorded as compensation with payment date 08/18/2025. The filer certifies they have no undisclosed material adverse information.
Mercury Systems (MRCY) Form 144 notice: Steven V. Ratner proposes to sell 1,735 common shares through Fidelity on 08/19/2025, with an aggregate market value of $111,844.69. The filing shows those shares were acquired on 08/18/2025 by restricted stock vesting and received as compensation. The issuer has 59,915,670 shares outstanding, indicating the sale is a small fraction of the company’s equity. The filer also reported two recent sales in the past three months: 1,839 shares on 06/16/2025 (gross proceeds $98,344.57) and 1,681 shares on 08/18/2025 (gross proceeds $111,813.90). The signer certifies no undisclosed material adverse information.