Mercury Systems insider filing: 7,339 shares to be sold via Fidelity

Rhea-AI Filing Summary

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.

Insights

Securities Analyst

TL;DR Small planned sale of vested restricted stock via a broker; appears routine and not materially impactful.

This Form 144 reports a single proposed transaction: 7,339 shares acquired via restricted stock vesting on 08/15/2025, to be sold through Fidelity with an aggregate value of $488,163.12 and an approximate sale date of 08/18/2025. There are no sales by the filer in the prior three months reported. From a market-impact perspective, the filing describes a compensatory restricted-share disposition rather than an open-market signaling event. The disclosure fulfills Rule 144 procedural requirements by identifying the broker, acquisition details, and the compensation nature of the payment.

Corporate Governance Expert

TL;DR Disclosure documents a routine insider sale tied to vested compensation; appears compliant with Rule 144 formalities.

The report specifies the relationship to the issuer by noting the shares were issued by the company as restricted stock vesting and the filer attests they have no undisclosed material adverse information. The form includes broker details and confirms no aggregate sales in the prior three months, satisfying aggregation and reporting aspects of Rule 144. No additional governance issues or unusual patterns are evident in the supplied text.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	7339	488163.12	59915670	08/18/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/15/2025	Restricted Stock Vesting	Issuer			7339	08/15/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the MRCY Form 144 report disclose?

It discloses a proposed sale of 7,339 common shares acquired via restricted stock vesting on 08/15/2025, to be sold through Fidelity with an approximate date of 08/18/2025 and aggregate market value of $488,163.12.

How were the shares acquired according to the filing?

The shares were acquired via restricted stock vesting on 08/15/2025 and the payment/consideration is listed as compensation.

Through which broker will the MRCY shares be sold?

Fidelity Brokerage Services LLC (900 Salem Street, Smithfield RI 02917) is listed as the broker for the proposed sale.

Does the filing report other recent sales by the filer?

No. The section "Securities Sold During The Past 3 Months" states "Nothing to Report."

What outstanding share count does the filing list for the issuer?

59,915,670 shares outstanding are reported in the securities information table.