WIRE 2018 Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) È ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 or ‘ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 000-20278 ENCORE WIRE CORPORATION (Exact name of registrant as specified in its charter) Delaware 75-2274963 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 1329 Millwood Road McKinney, Texas 75069 (Address of principal executive offices) (Zip Code) Registrant’s telephone number, including area code: (972) 562-9473 Securities registered pursuant to Section 12(b) of the Act: Title of each class Name of each exchange on which registered Common Stock, par value $.01 per share The NASDAQ Global Select Market Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. ‘ Yes È No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. ‘ Yes È No Note – Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Exchange Act from their obligations under those Sections. Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. È Yes ‘ No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). È Yes ‘ No Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. È Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer È Accelerated filer ‘ Non-accelerated filer ‘ Smaller reporting company ‘ 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. ‘ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). ‘ Yes È No The aggregate market value of the Common Stock held by non-affiliates of the registrant computed by reference to the price at which the Common Stock was last sold as of the last business day of the registrant’s most recently completed second fiscal quarter was $832,604,533 (Note: The aggregate market value of Common Stock held by the Company’s directors, executive officers, immediate family members of such directors and executive officers, 10% or greater stockholders and other stockholders deemed to be affiliates was excluded from the computation of the foregoing amount. The characterization of such persons as “affiliates” should not be construed as an admission that any such person is an affiliate of the Registrant for any other purpose). Number of shares of Common Stock outstanding as of February 21, 2019: 20,879,148 DOCUMENTS INCORPORATED BY REFERENCE Listed below are documents, parts of which are incorporated herein by reference, and the part of this report into which the document is incorporated: (1) Proxy statement for the 2019 annual meeting of stockholders – Part III