Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 Commission file number: 001-36290 MALIBU BOATS, INC. (Exact Name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 5075 Kimberly Way Loudon, Tennessee 37774 46-4024640 (Address of principal executive of ices, incl ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2018 Commission file number: 001-36290 MALIBU BOATS, INC. (Exact Name of Registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 5075 Kimberly Way Loudon, Tennessee 37774 46-4024640 (Address of principal executive of ices, i ...