Results of Operations

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): April 20, 2020 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 2.02 Results of Operations and Financial Condition. Ducommun Incorporated issued a press release on April 20, 2020 in the form attached hereto as Exhibit 99.1. Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Title and Description 99.1 Ducommun Incorporated press release issued on April 20, 2020. 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: April 20, 2020 By: /s/ Christopher D. Wampler Christopher D. Wampler Vice President, Interim Chief Financial Officer and Treasurer, and Controller and Chief Accounting Officer