Company Update

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): November 29, 2023     DUCOMMUN INCORPORATED (Exact name of registrant as specified in its charter)       Delaware   001-08174   95-0693330 (State or other jurisdiction of incorporation)   (Commission File Number)   (IRS Employer Identification No.)   200 Sandpointe Avenue , Suite 700 , Santa Ana , California   92707-5759 (Address of principal executive offices)   (Zip Code) Registrant’s telephone number, including area code (657) 335-3665 N/A (Former name or former address, if changed since last report.)     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, $.01 par value per share   DCO   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. ☐       Item 8.01 Other Events. As previously disclosed on November 18, 2022, Ducommun Incorporated (the “Company”) intended to optimize and consolidate its footprint by closing its Monrovia, California performance center under its 2022 Restructuring Plan and was evaluating options to divest the underlying real estate. Due to the current unfavorable market conditions and other factors, the Company at this time will not divest the real estate underlying its Monrovia, California performance center and will re-evaluate the market in the second half of 2024. Forward-Looking Statements This Current Report on Form 8-K, including Exhibit 99.1 hereto, includes “forward-looking statements,” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are intended to qualify for the “safe harbor” from liability under the Private Securities Litigation Reform Act. Forward-looking statements may be preceded by, followed by or include the words “could,” “may,” “will,” “believe,” “expect,” “anticipate,” “plan,” “estimate,” “intend,” or similar expressions. All statements with respect to future intentions and plans with respect to the Company’s Monrovia, California property, including with respect to the expected timing of the potential sale of the facility, constitute forward looking statements. The Company bases these forward-looking statements on its current views with respect to future events and its financial performance. Actual results could differ materially from those projected in the forward-looking statements. These forward-looking statements are subject to risks, uncertainties and assumptions, including the occurrence of any event, change, or other circumstances that could give rise to those detailed from time to time in the Company’s periodic reports filed with the Securities and Exchange Commission. You should not place undue reliance on any forward-looking statements. You should understand that many important factors, including those discussed herein, could cause the Company’s results to differ materially from those expressed or suggested in any forward-looking statement. Except as required by law, the Company does not undertake any obligation to update or revise these forward-looking statements to reflect new information or events or circumstances that occur after the date of this Current Report, December 5, 2023, or to reflect the occurrence of unanticipated events or otherwise. Readers are advised to review the Company’s filings with the Securities and Exchange Commission (which are available from the SEC’s EDGAR database at www.sec.gov).   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 hereunto duly authorized.     DUCOMMUN INCORPORATED (Registrant) Date: December 5, 2023   By:   /s/ Rajiv A. Tata          Rajiv A. Tata          Vice President, General Counsel & Corporate Secretary   3