Mark L. Burns sells 10,153 GD shares; Form 144 filed (GD)

Rhea-AI Filing Summary

GD filed a Form 144 reporting an insider sale notice. The filing shows Mark L. Burns reported the sale of 10,153 shares of Common stock on 03/11/2026 for $3,603,826.91. The shares were tied to options granted 03/04/2020 and the transaction lists Fidelity Brokerage Services LLC as the broker. The filing date shown is 05/11/2026.

Insights

Securities Compliance Counsel

Form 144 filed to disclose an insider's resale of option‑derived shares.

The notice records a reported sale of $3,603,826.91 for 10,153 shares by Mark L. Burns, tied to options granted on 03/04/2020. The broker is listed as Fidelity Brokerage Services LLC.

Form 144s are regulatory disclosure of intent to sell restricted/controlled securities; timing and settlement details are not included here. Subsequent public filings (e.g., Form 4 or broker confirmations) may show execution specifics.

Key Figures

Shares sold: 10,153 shares Gross proceeds: $3,603,826.91 Options grant date: 03/04/2020 +2 more

5 metrics

Shares sold 10,153 shares sale date <date>03/11/2026</date>

Gross proceeds $3,603,826.91 proceeds reported for sale on <date>03/11/2026</date>

Options grant date 03/04/2020 securities tied to options granted on this date

Form 144 filing date 05/11/2026 date shown on the Form 144 notice

Securities line item 36,230 appears in the Securities Information row

Key Terms

Form 144, Options Granted, Cash, Brokerage

4 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Options Granted financial

"Options Granted - 03/04/2020"

Cash market

"05/11/2026 | Cash"

Brokerage financial

"Fidelity Brokerage Services LLC 900 Salem Street"

A brokerage is a firm or online platform that carries out buy and sell orders for stocks, bonds and other investments on behalf of clients, and typically holds accounts, provides market data, trading tools and optional services such as research or margin lending. It matters to investors because the brokerage’s fees, speed of execution, available markets and safety of client assets directly affect investment costs, potential returns and how easily you can act on opportunities—think of it as the vehicle and driver that get your money where it needs to go.

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	36230	12508045.20	270430187	05/11/2026	NYSE

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	05/11/2026	Options Granted - 03/04/2020	Issuer			36230	05/11/2026	Cash

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Mark L. Burns 11011 Sunset Hills Road Reston VA 20190	Common	03/11/2026	10153	3603826.91

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 GD's Form 144 disclose about the insider sale?

The Form 144 discloses that Mark L. Burns reported selling 10,153 shares on 03/11/2026. The filing shows gross proceeds of $3,603,826.91 and references options granted on 03/04/2020.

Who acted as broker for the sale reported in GD's Form 144?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI. The broker is named in the Form 144 line identifying the securities sale and execution method.

Does the Form 144 indicate how the shares were acquired?

Yes. The filing ties the securities to options granted 03/04/2020, indicating the sold shares were exercisable from that award. The entry labels the source as the issuer and notes a cash transaction method.

When was the Form 144 filed for the reported transaction?

The document shows a filing date of 05/11/2026. The reported sale date in the notice is 03/11/2026; the Form 144 lists the later filing date for public disclosure.