Use these links to rapidly review the document TABLE OF CONTENTS ITEM 8 FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K 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 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 000-30833 BRUKER CORPORATION (Exact name of registr ...