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CleanSpark (CLSK) Rides Bitcoin Mining Growth Amid Insider Moves

JACK KELLOGG•UPDATED SEP. 11, 2026, 12:32 PM ET
Reviewed by Tim Sykesand Fact-checked by Ellis Hobbs

CleanSpark Inc. gained on strong bitcoin-mining expansion news, and its stocks have been trading up by 8.63 percent.

Key Takeaways

  • August 2026 Bitcoin mining output hit 593 BTC for CleanSpark, pushing year-to-date production to 4,903 BTC and reinforcing the company’s scale in the space.
  • Operational hashrate climbed to 50 EH/s across more than 201,000 miners, underlining CLSK’s aggressive infrastructure buildout.
  • Bitcoin holdings stood at 13,703 BTC after August, following the sale of 821 BTC via spot sales, call options, and a delta-neutral basis trade.
  • A Form 144 filing by an insider or large shareholder signaled plans to sell restricted or control CLSK securities under SEC Rule 144.
  • Multiple Form 4 filings reported changes in insider or major-holder ownership of CLSK, with no disclosed detail on trade size, direction, or context.

Candlestick Chart

Live Update At 12:32:23 EDT: On Friday, September 11, 2026 CleanSpark Inc. stock [NASDAQ: CLSK] is trending up by 8.63%! Discover the key drivers behind this movement as well as our expert analysis in the detailed breakdown below.

Quick Financial Overview

CLSK has been trading like a classic momentum name. Over the last few weeks, CleanSpark shares have climbed from the low $11 area to close near $13.90 on 2026/09/11, a solid grind higher after repeated dips were bought around $11–$12. On the daily chart, CLSK keeps putting in higher lows, which tells traders that dip buyers are still in control.

Intraday on 2026/09/11, CLSK held a tight range between roughly $13.70 and $14.03, with consistent support stepping in every time price pulled toward the mid-$13s. That kind of steady, controlled action often signals accumulation rather than wild speculation. For short-term traders, it also means clear levels to trade against.

More Breaking News

Under the hood, though, CLSK is still a high-risk story. The latest quarterly report shows revenue of about $138.0M, but net income from continuing operations was a steep loss of roughly -$239.8M. Profit margins are deeply negative and EBITDA came in around -$129.7M, even with strong gross revenue growth. CleanSpark has a sizable cash position of about $202.6M and a strong current ratio near 5.9, but it also carries long-term debt of about $1.78B. For traders, CLSK is a volatility play tied to Bitcoin and execution, not a stable cash generator.

Why Traders Are Watching CLSK Right Now

CLSK has the kind of story active traders love: heavy growth, clear crypto exposure, and plenty of volatility. The August 2026 update is the latest fuel. CleanSpark reported production of 593 BTC for the month, bringing year-to-date output to 4,903 BTC. That tells traders the mining engine is running hard, and monthly volume is now material enough to matter when Bitcoin moves.

The operational hashrate at 50 EH/s across more than 201,000 miners shows CLSK has scaled aggressively. For momentum traders, that kind of capacity tends to attract attention, because any sustained rally in Bitcoin can quickly translate into stronger revenue expectations for CleanSpark. At the same time, a higher hashrate usually signals better odds of keeping or growing market share versus other miners.

CLSK’s Bitcoin stack is another key trading focal point. As of late August, CleanSpark held about 13,703 BTC after selling 821 BTC via spot sales, call options, and a delta-neutral basis trade. Earlier data pegged total holdings around 13,931 BTC at an average acquisition price of $65,420 as of 2026/07/31. That average cost gives traders a rough line in the sand: when BTC trades far above or below that level, CLSK’s balance sheet leverage to Bitcoin becomes a real narrative driver.

Those strategic BTC sales send a mixed but tradable message. On one hand, CleanSpark is not just bag-holding; it is actively managing risk and raising cash, which matters for a company burning money. On the other hand, trimming BTC exposure can reduce CLSK’s torque to big upside moves in the coin itself, which some crypto-focused traders specifically seek.

Layered on top of the operational story, insider activity is creating extra noise. A Form 144 filing from an insider or large shareholder signals an intention to sell restricted or control CLSK stock under SEC Rule 144. That kind of planned selling often acts as an overhang, because the market knows supply is coming at some point. Multiple Form 4 filings around changes in beneficial ownership—without detail on whether they were buys, sells, or grants—add more uncertainty. For day and swing traders, that combination often leads to sharp moves around headlines, as rumor and positioning collide.

Conclusion

CLSK sits at the intersection of two powerful forces: rising Bitcoin mining capacity and constant questions about profitability and dilution. CleanSpark’s August report shows real scale, with 593 BTC produced in the month, 4,903 BTC year-to-date, and a 50 EH/s hashrate powered by more than 201,000 miners. For traders who live on momentum and sector themes, those numbers justify watching every tick.

At the same time, the fundamentals remind everyone this is not a quiet value play. CLSK posted a quarterly net loss near -$239.8M, runs with negative margins, and carries roughly $1.78B in long-term debt. The company’s sizable cash and BTC reserves buy time, but they do not erase execution risk. Add in a Form 144 signaling planned insider or large-holder sales and a cluster of Form 4 filings with limited detail, and you get a name where sentiment can flip fast.

That is exactly why disciplined traders are all over CleanSpark. The daily chart is trending up, intraday action is liquid and responsive, and every new Bitcoin headline can spark a move. As Tim Sykes loves to remind his students, “The market rewards prepared traders, not hopeful gamblers.” As millionaire penny stock trader and teacher Tim Sykes, says, “Embrace the journey, the ups and downs; each mistake is a lesson to improve your strategy.”. CLSK is a textbook case of that mindset: study the filings, track the production data, map your levels, and be ready to cut losses fast if the story or the tape turns.

This is stock news, not investment advice. Timothy Sykes News delivers real-time stock market news focused on key catalysts driving short-term price movements. Our content is tailored for active traders and investors seeking to capitalize on rapid price fluctuations, particularly in volatile sectors like penny stocks. Readers come to us for detailed coverage on earnings reports, mergers, FDA approvals, new contracts, and unusual trading volumes that can trigger significant short-term price action. Some users utilize our news to explain sudden stock movements, while others rely on it for diligent research into potential investment opportunities.

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* Results are not typical and will vary from person to person. Making money trading stocks takes time, dedication, and hard work. There are inherent risks involved with investing in the stock market, including the loss of your investment. Past performance in the market is not indicative of future results. Any investment is at your own risk. See Terms of Service here

The available research on day trading suggests that most active traders lose money. Fees and overtrading are major contributors to these losses.

A 2000 study called “Trading is Hazardous to Your Wealth: The Common Stock Investment Performance of Individual Investors” evaluated 66,465 U.S. households that held stocks from 1991 to 1996. The households that traded most averaged an 11.4% annual return during a period where the overall market gained 17.9%. These lower returns were attributed to overconfidence.

A 2014 paper (revised 2019) titled “Learning Fast or Slow?” analyzed the complete transaction history of the Taiwan Stock Exchange between 1992 and 2006. It looked at the ongoing performance of day traders in this sample, and found that 97% of day traders can expect to lose money from trading, and more than 90% of all day trading volume can be traced to investors who predictably lose money. Additionally, it tied the behavior of gamblers and drivers who get more speeding tickets to overtrading, and cited studies showing that legalized gambling has an inverse effect on trading volume.

A 2019 research study (revised 2020) called “Day Trading for a Living?” observed 19,646 Brazilian futures contract traders who started day trading from 2013 to 2015, and recorded two years of their trading activity. The study authors found that 97% of traders with more than 300 days actively trading lost money, and only 1.1% earned more than the Brazilian minimum wage ($16 USD per day). They hypothesized that the greater returns shown in previous studies did not differentiate between frequent day traders and those who traded rarely, and that more frequent trading activity decreases the chance of profitability.

These studies show the wide variance of the available data on day trading profitability. One thing that seems clear from the research is that most day traders lose money .

Millionaire Media 66 W Flagler St. Ste. 900 Miami, FL 33130 United States (888) 878-3621 This is for information purposes only as Millionaire Media LLC nor Timothy Sykes is registered as a securities broker-dealer or an investment adviser. No information herein is intended as securities brokerage, investment, tax, accounting or legal advice, as an offer or solicitation of an offer to sell or buy, or as an endorsement, recommendation or sponsorship of any company, security or fund. Millionaire Media LLC and Timothy Sykes cannot and does not assess, verify or guarantee the adequacy, accuracy or completeness of any information, the suitability or profitability of any particular investment, or the potential value of any investment or informational source. The reader bears responsibility for his/her own investment research and decisions, should seek the advice of a qualified securities professional before making any investment, and investigate and fully understand any and all risks before investing. Millionaire Media LLC and Timothy Sykes in no way warrants the solvency, financial condition, or investment advisability of any of the securities mentioned in communications or websites. In addition, Millionaire Media LLC and Timothy Sykes accepts no liability whatsoever for any direct or consequential loss arising from any use of this information. This information is not intended to be used as the sole basis of any investment decision, nor should it be construed as advice designed to meet the investment needs of any particular investor. Past performance is not necessarily indicative of future returns.

Citations for Disclaimer

Barber, Brad M. and Odean, Terrance, Trading is Hazardous to Your Wealth: The Common Stock Investment Performance of Individual Investors. Available at SSRN: “Day Trading for a Living?”

Barber, Brad M. and Lee, Yi-Tsung and Liu, Yu-Jane and Odean, Terrance and Zhang, Ke, Learning Fast or Slow? (May 28, 2019). Forthcoming: Review of Asset Pricing Studies, Available at SSRN: “https://ssrn.com/abstract=2535636”

Chague, Fernando and De-Losso, Rodrigo and Giovannetti, Bruno, Day Trading for a Living? (June 11, 2020). Available at SSRN: “https://ssrn.com/abstract=3423101”