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.
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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.
Mercury Systems (MRCY) Form 144 notice reports a proposed sale of 13,050 common shares through Fidelity Brokerage Services with an aggregate market value of $841,252.59, and an approximate sale date of 08/19/2025 on NASDAQ. The securities were acquired on 08/18/2025 via restricted stock vesting from the issuer and are recorded as compensation. The filing also discloses that William L. Ballhaus sold 10,395 common shares on 08/18/2025 for gross proceeds of $691,436.94. The filer attests there is no undisclosed material information and signs the statutory declaration on the notice.
Mercury Systems (MRCY) Form 144 notice shows a proposed sale of 376 common shares on 08/19/2025 through Fidelity Brokerage Services on the NASDAQ, with an aggregate market value of $24,238.38. The shares were acquired by the reporting person via restricted stock vesting on 08/18/2025 and were paid as compensation. The filing also discloses that the reporting person sold 363 common shares on 08/18/2025 for gross proceeds of $24,145.42. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.