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 September 30, 2023 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: 001-40261 Soluna Holdings, Inc. (Exact name of registrant as specified in its charter) Nevada 14-1462255 State or other jurisdi ...

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 June 30, 2023 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: 001-40261 Soluna Holdings, Inc. (Exact name of registrant as specified in its charter) Nevada 14-1462255 State or other jurisdiction ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION OR Washington, D.C. 20549 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FORM 10-K For the transition period from _____to _____ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-40261 For the fiscal year ended December 31, 2022 Soluna Holdings, Inc. (Exact name of registrant as specified in its charter) Nevada 14-1462255 State or other jurisdiction (I. ...