UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading symbol(s) Name of each exchange on which registered Common Stock, par value $0.001 per share SDEV OTC QB Common Stock, par value $0.001 per share SDZ.CN Canadian Securities Exchange FORM 10-Q (Mark One) [X] QUARTERLY REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 31, 2019 [ ] TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT ...