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 SLNH The Nasdaq Stock Market LLC 9.0% Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share SLNHP The Nasdaq Stock Market LLC Large accelerated filer ☐ Accelerated filer ☐ Non-accelerated filer ☒ Smaller reporting company ☒ Emerging growth company ☐ FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION ...