Advanced Drainage Systems(WMS) - 2020 Q3 - Quarterly Report

(Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q For the quarterly period ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-36557 ADVANCED DRAINAGE SYSTEMS, INC. (Exact name of registrant as specified in its charter) (State or Other Jurisdiction of Incorporation or Organization) De ...