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.
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.
Form 144 notice by a holder associated with Mercury Systems (MRCY) reporting a proposed sale of 7,339 shares of common stock. The shares were acquired by restricted stock vesting on 08/15/2025 and payment/consideration is listed as compensation. The sale is planned to be executed through Fidelity Brokerage Services LLC (900 Salem Street, Smithfield RI) with an approximate sale date of 08/18/2025 and an aggregate market value of $488,163.12. The filing lists 59,915,670 shares outstanding for the issuer and indicates no other securities sold by the filer in the past three months.
Form 144 filing by an insider of Mercury Systems, Inc. (MRCY) reports a proposed sale of 363 shares of common stock held at Fidelity Brokerage Services with an aggregate market value of $24,145.42, representing part of 59,915,670 shares outstanding. The shares were acquired on 08/15/2025 through restricted stock vesting and the purchase/payment is recorded as compensation. The approximate sale date listed is 08/18/2025 on NASDAQ. The filer states there were no other securities sold in the past three months and certifies no undisclosed material adverse information.
Mercury Systems (MRCY) Form 144 notifies the proposed sale of 1,681 common shares (approximate aggregate market value $111,813.90) through Fidelity Brokerage Services on 08/18/2025 on NASDAQ. The shares were acquired on 08/15/2025 upon restricted stock vesting and payment was for compensation. The filer previously sold 1,839 shares on 06/16/2025 for gross proceeds of $98,344.57. The filing includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.
Form 144 filing for Mercury Systems, Inc. (MRCY) reports a proposed sale of 10,395 common shares on 08/18/2025 on NASDAQ with an aggregate market value of $691,436.94. The shares were acquired three days earlier on 08/15/2025 through restricted stock vesting from the issuer as compensation. The filer reports no other securities sold in the past three months and attests they are not aware of undisclosed material adverse information.
Mercury Systems, Inc. (MRCY) filed a Form 144 notifying the proposed sale of 1,182 common shares held by an insider through Fidelity Brokerage Services LLC. The shares have an aggregate market value of $78,622.27 based on the filing and represent a small fraction of the 59,915,670 shares outstanding. The securities were acquired on 08/15/2025 via restricted stock vesting and the filing lists the approximate sale date as 08/18/2025 on the NASDAQ. The filing states payment was for compensation and reports no other sales in the past three months.
JANA Partners Management, LP amended its Schedule 13D for Mercury Systems Inc. (MRCY) to report beneficial ownership of 5,964,313 shares, equal to approximately 10.0% of the 59,915,670 shares outstanding as of July 31, 2025. The reported stake includes 4,832 deferred stock units (DSUs) granted to a director, which vest on the earlier of the first anniversary of the grant and the next annual meeting and convert to shares only when the director leaves the board; those DSUs have been assigned to JANA so settlement on vesting will be made to the Reporting Person.
The filing states JANA has sole voting and dispositive power over the reported shares and that recent transactions in the past 60 days were effected in the open market through various brokers; no other person is known to have rights to dividends or sale proceeds from these shares. This Amendment No. 2 updates Items 5 and 6 of the prior Schedule 13D.