---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-256352"
form_type: "8-K"
ticker: "CLSK"
cik: "0000827876"
company_name: "CLEANSPARK, INC."
filed_at: "2025-10-29T23:59:59+00:00"
generated_at: "2026-05-17T01:47:48.929796+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# CleanSpark files prospectus supplement for resale of up to 1.79M shares by stockholder

## Summary
- Prospectus supplement filed on October 29, 2025 under existing S-3ASR (File No. 333-276409).
- Covers resale of up to 1,788,834 shares of common stock by a certain stockholder.
- No new shares issued by the company; no change in outstanding share count or operations.

## SEC filing metadata
- accession: 0001193125-25-256352
- form_type: 8-K
- ticker: CLSK
- cik: 0000827876
- company_name: CLEANSPARK, INC.
- filed_at: 2025-10-29T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/827876/000119312525256352/0001193125-25-256352-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/827876/000119312525256352/clsk-20251029.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-256352
- JSON: https://secwatch.observer/filing/0001193125-25-256352.json
- Plain text: https://secwatch.observer/filing/0001193125-25-256352.txt

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