X0609 4 2026-09-03 0 0000064463 Soluna Holdings, Inc SLNH 0001311899 Phelan William P false C/O SOLUNA HOLDINGS, INC. 325 WASHINGTON AVENUE EXTENSION ALBANY NY 12205 1 0 0 0 0 Common Stock 2026-09-03 4 S 0 12037 1.12 D 2279985 D Represents the average sales price of shares sold ranging from $1.11- $1.125 per share Common Stock. Mr. Phelan undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of shares sold in each separate lot. /s/ Christopher Gandolfo, Attorney in Fact 2026-09-04