Bylaw Amendment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) October 5, 2023 ( October 4, 2023 ) Commission File Number 1-3671 GENERAL DYNAMICS CORPORATION (Exact name of registrant as specified in its charter) Delaware 13-1673581 State or other jurisdiction of incorporation or organization I.R.S. Employer Identification No. 11011 Sunset Hills Road Reston, Virginia 20190 Address of principal executive offices Zip code ( 703 ) 876-3000 Registrant’s telephone number, including area code Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock GD New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o Item 5.03    Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year. On October 4, 2023, the Board of Directors (the “ Board ”) of General Dynamics Corporation (the “ Corporation ”) amended and restated Article III, Section 2 of the Corporation’s bylaws (the “ Bylaws ”), effective as of such date, to: (i) increase the director retirement age, subject to certain exceptions set forth in the Bylaws; and (ii) increase the age beyond which an individual may not stand for election to the Board. The foregoing summary is qualified in its entirety by reference to the text of the Bylaws of the Corporation, filed herewith as Exhibit 3.2 and incorporated herein by reference. Item 9.01    Financial Statements and Exhibits. (d) Exhibits 3.2 Amended and Restated Bylaws of General Dynamics Corporation (as amended effective as of October 4 , 202 3 ) 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) -2- SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. GENERAL DYNAMICS CORPORATION by /s/ Gregory S. Gallopoulos Gregory S. Gallopoulos Senior Vice President, General Counsel and Secretary (Authorized Officer) Dated: October 5, 2023 -3-