CLSKCleanSpark, Inc.

CleanSpark, Inc. (CLSK) | Price: $14.05 | Today's Change: +5.28% Filing: Form 8-K (Items 7.01, 8.01, 9.01) | Filed with the SEC on September 17, 2026

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What Happened

CleanSpark filed an 8-K with the SEC on September 17, 2026, disclosing financial results that include Q3 FY2026 net income of $365,389,000 and operating income of $318,115,000 — a remarkable swing for a company that posted a basic and diluted loss per share of -$1.30 on revenues of $168,408,000 for the full FY2025 fiscal year. The filing spans Items 7.01 (Regulation FD Disclosure), 8.01 (Other Events), and 9.01 (Financial Statements and Exhibits), indicating that the company is simultaneously releasing material financial data and accompanying exhibits. The magnitude of the profitability figures, contrasted sharply with the prior full-year loss, makes this a materially significant disclosure.

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Why It Matters

For investors, the headline shift here is stark: CleanSpark went from reporting a $1.30 per-share net loss across the entirety of FY2025 (on $168.4M in revenues) to disclosing $365.4M in net income and $318.1M in operating income for a single quarter in FY2026. This is not a marginal improvement — it represents a fundamental change in the company's reported profitability profile, at least on a quarterly basis.

Key points to digest:

• Bitcoin price environment matters here. CleanSpark is a Bitcoin miner, and large swings in net and operating income of this magnitude are typically sensitive to BTC price appreciation, which can drive unrealized or realized gains on holdings and boost mining revenue simultaneously. Investors should review the full filing exhibits to understand what is driving the income figures — whether operational cash generation, fair-value adjustments on BTC holdings, or a combination.
• The revenue baseline from FY2025 ($168.4M for the full year) suggests Q3 FY2026 quarterly revenues could be materially higher, though a standalone Q3 FY2026 revenue figure was not provided in the structured XBRL data made available for this report.
• The stock is up 5.28% today, suggesting the market has reacted positively to the disclosed figures, consistent with the scale of the profitability improvement.

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Analysis

This filing is a genuine inflection-point signal for CleanSpark's financials, at least on the surface. The jump from full-year FY2025 losses to a single-quarter FY2026 net income of $365M is the kind of result that demands scrutiny of the composition of earnings — specifically, how much is driven by operating cash flow versus mark-to-market or fair-value accounting treatment of Bitcoin holdings on the balance sheet. Bitcoin miners operating under ASC 350 (or any updated FASB fair-value guidance) can see large swings in reported income that don't necessarily reflect cash generation.

That said, the operating income figure of $318.1M — which typically strips out many non-cash adjustments — is itself very large relative to the FY2025 revenue baseline, and suggests something substantive has changed operationally or in terms of realized mining economics.

What to watch next:

• The full financial statements and exhibits filed alongside this 8-K, which should clarify revenue recognition and the breakdown of income components.
• Whether Q3 FY2026 revenue and gross margin figures confirm an underlying operational improvement rather than a balance-sheet-driven revaluation.
• Any forward guidance or management commentary accompanying the filing under Item 7.01 (Reg FD).

This filing comes just days after StockWatch initiated coverage on CleanSpark. The Q3 FY2026 results disclosed here represent new, material data that investors will want to weigh alongside that existing research.

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Disclaimer

This report is a news and informational summary based solely on data extracted from CleanSpark's SEC Form 8-K filing dated September 17, 2026, and structured XBRL data derived from that filing. It does not constitute investment advice, a solicitation to buy or sell any security, or a research recommendation. No rating or price target is issued herein. Past financial results are not indicative of future performance. Investors should read the full SEC filing and consult their own financial advisors before making any investment decisions.

Existing Coverage

StockWatch has full coverage on CLSK, published 2026-09-11. Read our Initiating Coverage →

Source

Filed with the SEC on 2026-09-17. Read the original filing on EDGAR: https://www.sec.gov/Archives/edgar/data/827876/000119312526393758/clsk-20260917.htm