CleanSpark, Inc. (CLSK) - 10-Q Summary
Business Context and Reporting Period
Company: CleanSpark, Inc.
Filing Type: Form 10-Q (Quarterly Report)
Period Ended: June 30, 2026
Business Overview: CleanSpark operates as a data center developer and infrastructure operator, historically focused on bitcoin mining. The company is actively transitioning to include High-Performance Computing (HPC) and Artificial Intelligence (AI) data center hosting. As of June 30, 2026, the company held approximately 12,205 bitcoin and operated a fleet with an average hashrate of 42.6 EH/s.
Key Financial Metrics
| Metric | Three Months Ended June 30, 2026 | Nine Months Ended June 30, 2026 |
|---|---|---|
| Bitcoin Mining Revenue | $138.0 million | $455.6 million |
| Net (Loss) Income | ($239.8 million) | ($996.9 million) |
| Adjusted EBITDA (Non-GAAP) | ($113.0 million) | ($649.6 million) |
| Cash and Cash Equivalents | $202.6 million | $202.6 million (Balance Sheet) |
| Total Debt (Net) | $1.78 billion | $1.78 billion (Balance Sheet) |
| Bitcoin Holdings (Fair Value) | $714.3 million | $714.3 million (Balance Sheet) |
| Cost to Mine One Bitcoin (Direct Energy) | $44,406 | $47,393 |
Material Changes vs. Prior Period
- Revenue Decline: Bitcoin mining revenue decreased 31% quarter-over-quarter (QoQ) and 16% year-over-year (YoY) for the nine-month period. This was driven by a decrease in the average bitcoin price (from ~$98,700 to ~$71,700 in Q3) and a reduction in total bitcoin mined due to increased global hashrate competition.
- Significant Net Loss: The company reported a net loss of $239.8 million for the quarter, compared to net income of $257.4 million in the prior year quarter. The primary driver was a $116.3 million unrealized loss on the fair value of bitcoin holdings, reflecting the drop in bitcoin price from ~$68,200 to ~$58,500 during the quarter.
- Debt Structure: Total debt increased significantly to $1.78 billion (net) from $821 million in the prior year, primarily due to the issuance of $1.15 billion in 2032 Convertible Notes in November 2025. The company used a portion of these proceeds ($460 million) to repurchase common stock.
- Operating Costs: Professional fees increased 137% QoQ and 125% YoY (nine months), largely due to costs associated with developing HPC and AI initiatives. Payroll expenses also rose significantly due to headcount expansion and increased stock-based compensation.
Guidance, Outlook, and Risks
- Strategic Pivot to AI/HPC: On July 10, 2026 (subsequent to the reporting period), CleanSpark entered into the "Sandersville Lease," a 20-year triple-net infrastructure lease for 175 MW of capacity with a global technology company for AI/HPC workloads. This marks a major shift from bitcoin mining to data center hosting at the Sandersville, Georgia campus.
- Capital Requirements: Management expects to require substantial additional capital, likely through project-based debt financing, to fund the construction of the Sandersville data center and future AI projects. The company currently has $400 million in unused lines of credit.
- Bitcoin Treasury Strategy: The company continues a "Digital Asset Management" (DAM) strategy, utilizing derivatives (calls, puts, forwards) to generate liquidity and premiums while maintaining long-term bitcoin exposure. This generated $8.6 million in premium proceeds for the quarter.
- Key Risks:
- Regulatory: Evolving regulations on data centers (e.g., New York moratorium, Texas audits) could delay projects or increase costs.
- Execution: Failure to meet construction and financing milestones for the Sandersville project could result in lease termination or rent abatements.
- Market Volatility: Continued volatility in bitcoin prices directly impacts the fair value of holdings and unrealized gains/losses.
- Tariffs: Potential liability of up to $130 million in import tariffs on miners purchased in 2024 remains a contingency, though the company is contesting these claims.
Investor Verification Checklist
- Sandersville Lease Milestones: Verify the specific financing and construction milestones required to avoid rent abatements or termination of the new 175 MW AI lease.
- Bitcoin Price Sensitivity: Assess the impact of a further decline in bitcoin price on the company's balance sheet, given the $714 million fair value exposure and the unrealized losses already recognized.
- Debt Service Capacity: Review the company's ability to service the new $1.15 billion 2032 Convertible Notes and existing debt obligations, particularly as bitcoin mining revenue declines and AI revenue has not yet commenced.
- Tariff Contingency: Monitor the status of the U.S. Customs and Border Protection (CBP) protests regarding Chinese origin tariffs on mining hardware, which could result in a $130 million liability.
- Capital Raise Plans: Confirm the timeline and terms for the additional debt or equity financing required to complete the Sandersville data center construction.