UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2019 OR ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 | --- | --- | --- | |--------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------- ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K x 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 001-31978 Assurant, Inc. (Exact name of registrant as specified in its charter) Delaware 39-1126612 (State or Other Jurisdiction of Incorporation or O ...