Celestica(CLS) - 2018 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________________________________________ FORM 20-F o Registration statement pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 or ý 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 o Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to or ...