UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 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 001-33351 _________________________________________________ NEUROMETRIX, INC. (Exact name of registrant as specified in its charter) Delaware 04 ...