---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-020985"
form_type: "8-K"
ticker: "SLNH"
cik: "0000064463"
company_name: "Soluna Holdings, Inc"
filed_at: "2025-11-06T23:59:59+00:00"
generated_at: "2026-05-17T00:04:40.132676+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "medium"
source: SEC EDGAR
---

# Soluna Holdings reports Oct 2025: Dorothy 2 Phase 3 done, Kati-2 AI begins, board adds Budzyn

## Summary
- Project Dorothy 2 Phase 3 construction substantially completed; full completion expected mid-November.
- Kati-2 AI/HPC development begins with MOU signed with HPC partner; design and engineering start in Q4.
- Agnes Budzyn appointed to Soluna's Board of Directors, bringing finance and digital assets expertise.
- Signed 3.3 MW hosting partnership with KULR Technology Group at Project Sophie.
- Project Kati 1 substation upgrade completed for full 83 MW; civil and mechanical construction accelerating.

## SEC filing metadata
- accession: 0001493152-25-020985
- form_type: 8-K
- ticker: SLNH
- cik: 0000064463
- company_name: Soluna Holdings, Inc
- filed_at: 2025-11-06T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/64463/000149315225020985/0001493152-25-020985-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/64463/000149315225020985/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-020985
- JSON: https://secwatch.observer/filing/0001493152-25-020985.json
- Plain text: https://secwatch.observer/filing/0001493152-25-020985.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.