Shareholder Vote

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 reported): June 12, 2018 CECO Environmental Corp. (Exact Name of Registrant as Specified in its Charter) Delaware 000-7099 13-2566064 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No) 14651 North Dallas Parkway Dallas, Texas 75254 (Address of Principal Executive Offices) (Zip Code) (Registrant’s Telephone Number, Including Area Code): (513) 458-2600 Not Applicable (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)) 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. ☐ 5.07 Submission of Matters to a Vote of Security Holders. On June 12, 2018, CECO Environmental Corp. (the “ Company ”) held its 2018 Annual Meeting of Stockholders (the “ Annual Meeting ”). At the Annual Meeting, stockholders of the Company considered: 1) the election of the eight director nominees named in the proxy statement; 2) an advisory vote to approve the Company’s named executive officer compensation; and 3) the ratification of the Company’s independent registered public accounting firm for fiscal 2018. The voting results at the Annual Meeting with respect to each of the matters described above were as follows: 1. The eight director nominees named in the proxy statement and standing for election were elected based upon the following votes: DIRECTOR NOMINEE FOR WITHHELD BROKER NON-VOTES Jason DeZwirek 21,797,609 2,719,958 5,715,636 Dennis Sadlowski 23,575,686 941,881 5,715,636 Eric M. Goldberg 24,140,840 376,727 5,715,636 David B. Liner 22,748,139 1,769,428 5,715,636 Claudio A. Mannarino 24,144,548 373,019 5,715,636 Jonathan Pollack 21,569,283 2,948,284 5,715,636 Munish Nanda 24,220,542 297,025 5,715,636 Valerie Gentile Sachs 23,914,511 603,056 5,715,636 2. The Company’s named executive officer compensation was approved on an advisory basis as follows: FOR AGAINST ABSTAIN BROKER NON-VOTES 23,990,800 481,611 45,155 5,715,636 3. The appointment of BDO USA, LLP as the Company’s independent registered public accounting firm for fiscal 2018 was ratified as follows: FOR AGAINST ABSTAIN 29,419,166 712,497 101,539 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. Date: June 13, 2018 CECO Environmental Corp. By: /s/ Matthew Eckl Matthew Eckl Chief Financial Officer 3