Soluna Holdings, Inc.

SLNH·NASDAQ·$1.93Share Price as of 11/2·$304MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/15/26 10-KFY 202503/30/26 10-QQ3 ended 09/30/2511/14/25 10-QQ2 ended 06/30/2508/14/25

Disclosures

8-KCurrent report10/26/26 8-KCurrent report10/21/26 8-KCurrent report10/21/26 8-KCurrent report10/20/26 8-KCurrent report10/19/26

Prospectuses and Registrations

S-8Registration of securities for employees07/28/26 424B3Prospectus05/11/26 S-3Shelf registration04/29/26 424B3Prospectus04/22/26 424B3Prospectus04/20/26

Proxies

DEF 14ADefinitive proxy08/24/26 PRE 14APreliminary proxy08/14/26 DEFA14AAdditional proxy materials10/27/25 DEFA14AAdditional proxy materials10/20/25 DEF 14ADefinitive proxy10/14/25

Ownership

Form 3Initial insider ownership10/26/26 Form 4Insider transaction09/24/26 Form 4Insider transaction09/17/26 Form 4Insider transaction09/17/26 Form 4Insider transaction09/04/26

Other

ARSAnnual report to shareholders08/24/26 EFFECTRequest for effectiveness05/08/26 CORRESPCorrespondence with the SEC05/06/26 UPLOADLetter from the SEC05/06/26 EFFECTRequest for effectiveness04/21/26