CLSK at a glance
CLEANSPARK, INC. (CLSK, SEC CIK 827876) filed its latest 10-K annual report on November 25, 2025, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 25, 2026 and Form 4 insider filings as recently as October 1, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended September 30, 2025 (FY2025), CLEANSPARK, INC. (CLSK) reported revenue of $766.3 million (up 102.2% from FY2024) and net income of $364.5 million.
- As of June 30, 2026, 32 institutional investment managers tracked by SignalX reported holding CLEANSPARK, INC. (CLSK) shares worth $1.8 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Monnig Taylor on October 1, 2026 of 3,335 shares at $12.33 per share.
- In the last 90 days, CLSK insiders reported 0 open-market purchases ($0) and 5 open-market sales ($435K) on Form 4, a net sale of $435K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $766.3M
- +102.2% vs prior year
- Insiders · 90 days
- 0 buys · 5 sells
- Net −$435K
- 13F holders
- 32 funds
- $1.8B · −1 vs prior quarter
- Latest 8-K
- Sep 25, 2026
- Item 1.01
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Sep 30, 2025
Business Overview
- Core business model as data center developer and bitcoin mining operator with 1,027 MW contracted power across GA, TN, MS, WY
- New AI and HPC hosting/leasing segment launched with land acquisition in Texas (271 acres) and 285 MW power supply agreements for AI data center campus
- Strategic shift: diversification from exclusive bitcoin mining towards AI/HPC infrastructure leveraging energy/data center expertise
- Bitcoin mining capacity of 45.6 EH/s average computing power, 241,934 miners in service with 16.7 W/TH energy efficiency, 7,873 BTC mined (down 11% due to 2024 halving)
- In-house institutional-grade bitcoin trading and derivatives strategy introduced in April 2025 to hedge price volatility and support treasury management
Risk Factors
- Risk of SEC classifying bitcoin as a security, potentially triggering Commodity Exchange Act compliance costs and enforcement actions
- U.S. political uncertainty on bitcoin reserve, mining difficulty, and tariffs impacting imported mining equipment supply
- Dependence on limited suppliers Bitmain, MicroBT, Canaan, Sunnyside for miners; supply chain disruptions risk delaying expansion
- Competitive threat in AI and HPC data centers from better-capitalized global providers affecting occupancy and rental rates
- CEO resignation on August 10, 2025, creating key-person risk that may delay projects and harm growth prospects
Management Discussion & Analysis
- Revenue $766.3M, up 102% YoY from $379.0M due to 28% increase in miners and higher bitcoin price ($97,337 vs $53,434)
- Operating margin approx. 55.2% vs 56.3% (bitcoin mining revenue $766.3M minus cost of revenues $343.1M)
- Best segment: Owned facilities mining revenue $754.7M (+126% YoY), worst: Hosted facilities revenue $11.6M (-74.6% YoY) due to contract expirations
- Energy cost $331.3M (43.9% of mining revenue) up 150% YoY; payroll expenses increased 41% to $104.4M; professional fees flat at $13.8M
- No revenue from AI/HPC yet; management cautiously expanding data center capacity; bitcoin price volatility remains key risk impacting earnings and asset values
AI summary of the CLSK 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Quarterly bitcoin mining revenue $138.0M, down 31% YoY from $198.6M
- Mining margin: direct energy costs 61.9% of revenue vs 45.4% YoY
- Average bitcoin price $71,881 vs $98,736 YoY; bitcoin mined 1,920 vs 2,012
- Net loss $239.8M vs net income $257.4M YoY, driven by $116.3M bitcoin fair-value loss
- AI and HPC revenue $0; 20-year Sandersville lease signed after quarter-end for 175 MW
Risk Factors
- New regulatory risk: New York’s July 14, 2026 order bars hyperscale data centers using 50 megawatts or more for up to one year
- Regulatory risk: Texas interconnection audits and Austin County’s moratorium could delay or restrict project approvals
- Operational risk: Sandersville Lease deliveries expected Q4 2027 depend on financing, construction, equipment, approvals, and power availability
- Market risk: Only one data-center infrastructure lease secured, creating customer-concentration exposure
- Financial risk: Additional capital needed for Sandersville, potentially increasing leverage and debt-service obligations
AI summary of the CLSK 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 1.01: Entry into a Material Definitive Agreement
- Section contains only forward-looking-statement risk disclosures, not material agreement terms
- Intended use of net proceeds referenced, but transaction amount and terms absent from provided text
Item EX-99.1: Item EX-99.1
- $2.276B senior secured notes closed through wholly owned CSDC Finance I subsidiary
- 7.875% fixed interest rate with 2031 maturity, creating substantial long-term debt service obligations
Item 8.01: Other Events
- $2.276B senior secured notes priced at 98.5% of principal, implying approximately $2.242B gross proceeds
- 7.875% coupon and 2031 maturity create substantial long-term interest obligations
Item EX-99.1: Item EX-99.1
- $2.276B senior secured notes priced at 7.875%, due 2031, at 98.500% of principal
- Proceeds fund Sandersville Facility construction, reimburse prior equity contributions, and establish debt-service reserves
Item 7.01: Regulation FD Disclosure
- CleanSpark furnished illustrative financial information for CSDC Finance I, LLC to prospective offering investors
- Exhibit 99.1 contains the substantive financial and other offering-related information
Item 8.01: Other Events
- Proposed $2.227 billion senior secured notes due 2031, subject to market conditions and other factors
- Issuance by wholly owned indirect subsidiary CSDC Finance I, LLC, creating substantial secured debt obligations
Item EX-99.1: Item EX-99.1
- 175 MW Sandersville AI data center campus leased to Meta subsidiary under 20-year base term plus extension options
- ~$6.6B contracted base-term lease value, ~$330M average annual NOI, and ~100% triple-net NOI margin
AI summaries of CLSK 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for CLSK
Don't miss the next CLSK filing
- Alerts as it files. A push when CLSK files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut CLSK, by share count.
- Ask anything. An AI agent that reads every CLSK filing and answers with sources.
CLSK alerts on your phone. Follow it in the SignalX Android app.
Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Garrison Scott Eugene | F | Oct 1, 2026 | 14,854 | $12.33 |
| Monnig Taylor | F | Oct 1, 2026 | 13,123 | $12.33 |
| Monnig Taylor | Sell | Oct 1, 2026 | 3,335 | $12.33 |
| Garrison Scott Eugene | M | Sep 30, 2026 | 33,500 | - |
| Garrison Scott Eugene | M | Sep 30, 2026 | 33,350 | - |
| McNeill Larry | M | Sep 30, 2026 | 7,805 | - |
| Wood Thomas Leigh | M | Sep 30, 2026 | 7,805 | - |
| Wood Thomas Leigh | M | Sep 30, 2026 | 7,805 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 | |
|---|---|---|---|---|
| Profitability | ||||
| Revenue | $168.4M | $379.0M | $766.3M | |
| Operating Income | -$131.0M | -$149.0M | $318.9M | |
| Net Income | -$136.6M | -$145.8M | $364.5M | |
| Op. Margin | -77.8% | -39.3% | 41.6% | |
| Net Margin | -81.1% | -38.5% | 47.6% | |
| Balance Sheet | ||||
| Total Assets | $761.6M | $2.0B | $3.2B | |
| Equity | $677.2M | $1.8B | $2.2B | |
| ROE | -20.2% | -8.3% | 16.8% | |
| Per Share | ||||
| EPS | $-1.30 | - | - | |
| Cash Flow | ||||
| Operating CF | -$30.4M | -$233.7M | -$461.0M | |
Source: XBRL data in CLEANSPARK, INC. (CLSK)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate CLSK share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 32 | $1.78B |
| Q1 2026 | 33 | $1.09B |
| Q4 2025 | 32 | $1.39B |
| Q3 2025 | 30 | $1.95B |
| Q2 2025 | 28 | $1.38B |
| Q1 2025 | 25 | $506.8M |
| Q4 2024 | 22 | $513.6M |
| Q3 2024 | 20 | $293.8M |
- D.E. Shaw & Co+4.83M (+75%)
- Millennium Management+2.25M (+685%)
- T. Rowe Price Group+627.9K (+217%)
- BlackRock+590.1K (+1%)
- JPMorgan Chase & Co+492.4K (+42%)
- Dimensional Fund Advisors−4.46M (-32%)
- Morgan Stanley−3.70M (-55%)
- Marex Group plc−3.64M (-96%)
- Bank of America Corp−1.74M (-68%)
- Invesco Ltd−1.38M (-28%)
- Raymond James Financial+12.9K
- M&T Bank+11.3K
- Truist Financial−82.6K
- Allstate−78.1K
- Bridgewater Associates LP−19.5K
Source: 13F-HR filings on SEC EDGAR (aggregated from 222 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
CLSK filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Oct 1, 2026 | - | - | - |
| 4 | Oct 1, 2026 | - | - | - |
| 4 | Oct 1, 2026 | - | - | - |
| 4 | Oct 1, 2026 | - | - | - |
| 4 | Oct 1, 2026 | - | - | - |
| 4 | Oct 1, 2026 | - | - | - |
| 8-K | Sep 25, 2026 | - | Analysis | - |
| 8-K | Sep 18, 2026 | - | Analysis | - |
| 8-K | Sep 17, 2026 | - | Analysis | - |
| 4 | Sep 10, 2026 | - | - | - |
| 4 | Sep 10, 2026 | - | - | - |
| 4 | Sep 10, 2026 | - | - | - |
| 4 | Sep 10, 2026 | - | - | - |
| 4 | Sep 9, 2026 | - | - | - |
| 4 | Sep 9, 2026 | - | - | - |
| 4 | Sep 9, 2026 | - | - | - |
| 4 | Sep 9, 2026 | - | - | - |
| 4 | Sep 9, 2026 | - | - | - |
| 4 | Aug 14, 2026 | - | - | - |
| 4 | Aug 14, 2026 | - | - | - |
| 4 | Aug 14, 2026 | - | - | - |
| 4 | Aug 14, 2026 | - | - | - |
| 8-K | Aug 6, 2026 | - | Analysis | - |
| 10-Q | Aug 6, 2026 | Jun 30, 2026 | Analysis | |
| SC 13G | Jul 17, 2026 | - | - |
Related Financials companies
- AXP · American ExpressFinance Services
- BKKT · Bakkt, Inc.Finance Services
- BTBT · Bit Digital, IncFinance Services
- BLSH · BullishFinance Services
- BUR · Burford Capital LtdFinance Services
- CD · Chaince Digital Holdings Inc.Finance Services
- CHYM · Chime Financial IncFinance Services
- CIFR · Cipher Digital Inc.Finance Services
CLSK SEC filings: frequently asked questions
Are CLSK insiders buying or selling?
In the last 90 days, CLEANSPARK, INC. (CLSK) officers, directors and 10% owners reported no open-market purchases and 5 open-market sales worth $435,395 by 1 insider on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold CLSK stock?
As of June 30, 2026, the largest CLEANSPARK, INC. (CLSK) holders among the 13F filers tracked by SignalX were BlackRock ($615.9 million), Vanguard Portfolio Management LLC ($166.7 million), D.E. Shaw & Co ($163.8 million), Vanguard Capital Management LLC ($161.8 million), State Street Corp ($160.1 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was CLSK's revenue in fiscal year 2025?
For the fiscal year ended September 30, 2025 (FY2025), CLEANSPARK, INC. (CLSK) reported revenue of $766.3 million (up 102.2% from FY2024) and net income of $364.5 million. The figures come from the XBRL data in the 10-K.
What are the main risks in CLSK's latest 10-K?
In the 10-K filed November 25, 2025, CLEANSPARK, INC. (CLSK) flagged: Risk of SEC classifying bitcoin as a security, potentially triggering Commodity Exchange Act compliance costs and enforcement actions. U.S. political uncertainty on bitcoin reserve, mining difficulty, and tariffs impacting imported mining equipment supply. (AI summary of the Risk Factors section.)
What did CLSK report in its latest 8-K?
CLEANSPARK, INC. (CLSK) filed an 8-K on September 25, 2026 reporting Item 1.01 (Entry into a Material Definitive Agreement). Section contains only forward-looking-statement risk disclosures, not material agreement terms.
What are the latest CLSK SEC filings?
CLEANSPARK, INC. (CLSK) filed its latest 10-K annual report on November 25, 2025, a 10-Q quarterly report on August 6, 2026, an 8-K current report on September 25, 2026 and a Form 4 insider filing on October 1, 2026.
What is CLSK's SEC CIK number?
CLEANSPARK, INC. (CLSK)'s SEC Central Index Key (CIK) is 827876. EDGAR lists every CLSK filing under that number.
Ask anything about CLSK
The research agent reads CLSK's filings, financials, insider trades and 13F holders, then answers with sources.