X0609 4 2026-08-17 0 0000064463 Soluna Holdings, Inc SLNHP 0001687731 Hirshfield Edward R false C/O SOLUNA HOLDINGS, INC. 325 WASHINGTON AVENUE EXTENSION ALBANY NY 12205 1 0 0 0 0 9.0% Series A Cumulative Perpetual Preferred Stock 2026-08-17 4 S 0 9007 12.34 D 0 D Represents the average sales price of shares sold ranging from $12.23- $12.45 per share of 9.0% Series A Cumulative Preferred Stock. Mr. Hirshfield 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 2026-08-18