144 0001183209 XXXXXXXX LIVE 0000064463 Soluna Holdings, Inc 001-40261 325 WASHINGTON AVENUE EXTENSION ALBANY NY 12205 518-218-2500 MICHAELS DAVID C Officer Director Preferred Merrill Lynch

PO Box 31024 Tampa FL 33631-3024

5669 56000.00 4928545 12/11/2025 NASDAQ Common Merrill Lynch

PO Box 31024 Tampa FL 33931-3024

1017 2000.00 98570000 12/11/2025 NASDAQ Common 08/18/2022 Market purchase Market N 400 08/18/2022 Cash Common 11/22/2016 Market purchase Market N 400 11/22/2016 Cash Common 11/21/2016 Market purchase Market N 16 11/21/2016 Cash Common 11/09/2016 Market purchase Market N 200 11/09/2016 Cash Preferred 12/15/2023 Market Purchase Market N 3000 12/15/2023 Cash Preferred 12/14/2023 Market purchase Market N 369 12/14/2023 Cash Preferred 12/13/2023 Market purchase Market N 2300 12/13/2023 Cash Y 12/11/2025 David C. Michaels