CleanSpark, Inc. (CLSKW) shareholders
Close on Oct 30, 2026Market cap $1.97BP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 43,632,921 | 15.50% | 13G (passive) amendment | Mar 31, 2025 |
| Bank Of Nova Scotia | 14,791,062 | 5.62% | 13G (passive) | Jun 30, 2026 |
| Vanguard Capital Management | 13,014,765 | 5.08% | 13G (passive) | Mar 31, 2026 |
| David E. Shaw Joint filing with D. E. Shaw & Co., L.P. (5.00%), D. E. Shaw & Co., L.L.C. (5.00%) | 12,859,115 | 5.00% | 13G (passive) | Jul 10, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of CLSKW | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Q Global Advisors, LLC | 100,000 | – | $30.00K | – | 0.02% |
| Jane Street Group, LLC | 68,178 | – | $20.45K | – | 0.00% |
| Adage Capital Partners Gp, L.L.C. | 51,718 | – | $15.52K | – | 0.00% |
| Goldman Sachs Group Inc | 39,595 | – | $11.88K | – | 0.00% |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 37,500 | – | $11.25K | – | 0.00% |
| Virtu Financial LLC | 27,423 | – | $8.00K | New | 0.00% |
| Connective Capital Management, LLC | 17,500 | – | $5.25K | – | 0.00% |
| UBS Group AG | 14,731 | – | $4.42K | New | 0.00% |
| Dupont Capital Management Corp | 12,500 | – | $3.75K | – | 0.17% |
| Oasis Management Co Ltd. | 6,959 | – | $101.26K | New | 0.01% |
| Toronto Dominion Bank | 4,608 | – | $1.38K | −1,564 | 0.00% |
| Equitec Proprietary Markets, LLC | 2,045 | – | $614 | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 12 | 0M | 3 / 0 | 1 / 2 | 0M | 0M |
| Q1 2026 | 11 | 0M | 2 / 0 | 0 / 2 | 0M | 0M |
| Q4 2025 | 11 | 0M | 2 / 1 | 1 / 4 | 0M | 0M |
| Q3 2025 | 13 | 0M | 4 / 0 | 1 / 1 | 0M | 0M |
| Q2 2025 | 11 | 1M | 0 / 1 | 2 / 2 | 0M | 0M |
| Q1 2025 | 13 | 1M | 0 / 2 | 1 / 9 | 0M | 0M |
| Q4 2024 | 22 | 1M | 22 / 0 | 0 / 0 | 1M | 0M |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| S. Matthew Schultz | CEO & Chairman, Director | 3,560,085 | Sep 9, 2026 |
| Zachary Bradford | CEO and President, Director | 5,101,345 | Aug 11, 2025 |
| Scott Eugene Garrison | EVP, Chief Development Officer | 367,450 | Sep 9, 2026 |
| Gary Anthony Vecchiarelli | President, CFO | 905,786 | Sep 9, 2026 |
| Brian Jay Carson | Chief Accounting Officer | 140,511 | Sep 9, 2026 |
| Taylor Monnig | CTO, COO | 331,951 | Sep 9, 2026 |
| Roger Paul Beynon | Director | 148,022 | Sep 10, 2026 |
| Amanda Cavaleri | Director | 129,800 | Sep 10, 2026 |
| Thomas Leigh Wood | Director | 124,128 | Sep 10, 2026 |
| Larry McNeill | Director | 394,611 | Sep 10, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Taylor Monnig CTO, COO | Sep 8, 2026 | Tax withholding | −47,351 | $13.34 | $631.66K | 331,951 |
| Taylor Monnig CTO, COO | Sep 8, 2026 | Sale(10b5-1 plan) | −12,033 | $13.34 | $160.52K | 319,918 |
| Taylor Monnig CTO, COO | Sep 8, 2026 | Sale(10b5-1 plan) | −13,216 | $13.34 | $176.30K | 236,114 |
| Taylor Monnig CTO, COO | Sep 8, 2026 | Tax withholding | −52,004 | $13.34 | $693.73K | 249,330 |
| Gary Anthony Vecchiarelli President, CFO | Sep 8, 2026 | Tax withholding | −73,060 | $13.34 | $974.62K | 305,786 |
| Gary Anthony Vecchiarelli President, CFO | Sep 8, 2026 | Tax withholding | −56,338 | $13.34 | $751.55K | 150,952 |
| S. Matthew Schultz CEO & Chairman, Director | Sep 8, 2026 | Tax withholding | −253,587 | $13.34 | $3.38M | 3,039,089 |
| S. Matthew Schultz CEO & Chairman, Director | Sep 8, 2026 | Tax withholding | −92,070 | $13.34 | $1.23M | 2,595,313 |
| Brian Jay Carson Chief Accounting Officer | Sep 8, 2026 | Tax withholding | −17,183 | $13.34 | $229.22K | 140,511 |
| Brian Jay Carson Chief Accounting Officer | Sep 8, 2026 | Tax withholding | −36,836 | $13.34 | $491.39K | 104,097 |
| Scott Eugene Garrison EVP, Chief Development Officer | Sep 8, 2026 | Tax withholding | −53,596 | $13.34 | $714.97K | 367,450 |
| Scott Eugene Garrison EVP, Chief Development Officer | Sep 8, 2026 | Tax withholding | −58,863 | $13.34 | $785.23K | 275,687 |
| Taylor Monnig CTO, COO | Sep 4, 2026 | Option exercise | +45,125 | – | – | 281,239 |
| Taylor Monnig CTO, COO | Sep 4, 2026 | Option exercise | +132,158 | – | – | 301,334 |
| Taylor Monnig CTO, COO | Sep 4, 2026 | Option exercise | −120,333 | – | – | 379,302 |
| Taylor Monnig CTO, COO | Sep 4, 2026 | Sale(10b5-1 plan) | −4,513 | $12.61 | $56.91K | 258,969 |
| Taylor Monnig CTO, COO | Sep 4, 2026 | Tax withholding | −17,757 | $12.61 | $223.92K | 263,482 |
| Gary Anthony Vecchiarelli President, CFO | Sep 4, 2026 | Option exercise | +69,625 | – | – | 220,577 |
| Gary Anthony Vecchiarelli President, CFO | Sep 4, 2026 | Option exercise | +185,666 | – | – | 378,846 |
| Gary Anthony Vecchiarelli President, CFO | Sep 4, 2026 | Tax withholding | −27,397 | $12.61 | $345.48K | 193,180 |
| Gary Anthony Vecchiarelli President, CFO | Sep 4, 2026 | Option exercise | +143,171 | – | – | 207,290 |
| S. Matthew Schultz CEO & Chairman, Director | Sep 4, 2026 | Option exercise | +216,125 | – | – | 2,811,438 |
| S. Matthew Schultz CEO & Chairman, Director | Sep 4, 2026 | Option exercise | +576,333 | – | – | 3,292,676 |
| S. Matthew Schultz CEO & Chairman, Director | Sep 4, 2026 | Tax withholding | −95,095 | $12.61 | $1.20M | 2,716,343 |
| S. Matthew Schultz CEO & Chairman, Director | Sep 4, 2026 | Option exercise | +209,042 | – | – | 2,687,383 |
| Brian Jay Carson Chief Accounting Officer | Sep 4, 2026 | Option exercise | +16,375 | – | – | 120,472 |
| Brian Jay Carson Chief Accounting Officer | Sep 4, 2026 | Option exercise | +43,666 | – | – | 157,694 |
| Brian Jay Carson Chief Accounting Officer | Sep 4, 2026 | Tax withholding | −6,444 | $12.61 | $81.26K | 114,028 |
| Brian Jay Carson Chief Accounting Officer | Sep 4, 2026 | Option exercise | +93,612 | – | – | 140,933 |
| Scott Eugene Garrison EVP, Chief Development Officer | Sep 4, 2026 | Option exercise | +45,125 | – | – | 320,812 |
| Scott Eugene Garrison EVP, Chief Development Officer | Sep 4, 2026 | Option exercise | +120,333 | – | – | 421,046 |
| Scott Eugene Garrison EVP, Chief Development Officer | Sep 4, 2026 | Tax withholding | −20,999 | $12.61 | $264.80K | 300,713 |
| Scott Eugene Garrison EVP, Chief Development Officer | Sep 4, 2026 | Option exercise | +132,158 | – | – | 334,550 |
| Gary Anthony Vecchiarelli President, CFO | Aug 14, 2026 | Tax withholding | −632 | $11.51 | $7.27K | 64,119 |
| Scott Eugene Garrison EVP, Chief Development Officer | Aug 14, 2026 | Tax withholding | −1,192 | $11.51 | $13.72K | 202,392 |
| Taylor Monnig CTO, COO | Aug 14, 2026 | Sale(10b5-1 plan) | −54 | $11.51 | $622 | 169,176 |
| Taylor Monnig CTO, COO | Aug 14, 2026 | Tax withholding | −211 | $11.51 | $2.43K | 169,230 |
| S. Matthew Schultz CEO & Chairman, Director | Aug 14, 2026 | Tax withholding | −9,031 | $11.51 | $103.95K | 2,478,132 |
| Gary Anthony Vecchiarelli President, CFO | Aug 13, 2026 | Option exercise | +1,606 | – | – | 64,751 |
| Scott Eugene Garrison EVP, Chief Development Officer | Aug 13, 2026 | Option exercise | +2,676 | – | – | 203,584 |
| Taylor Monnig CTO, COO | Aug 13, 2026 | Option exercise | +536 | – | – | 169,441 |
| S. Matthew Schultz CEO & Chairman, Director | Aug 13, 2026 | Option exercise | +20,524 | – | – | 2,487,163 |
| Amanda Cavaleri Director | Jun 30, 2026 | Option exercise | +7,805 | – | – | 129,800 |
| Roger Paul Beynon Director | Jun 30, 2026 | Option exercise | +7,805 | – | – | 148,022 |
| Larry McNeill Director | Jun 30, 2026 | Option exercise | +7,805 | – | – | 311,278 |
| Thomas Leigh Wood Director | Jun 30, 2026 | Option exercise | +7,805 | – | – | 63,932 |
| Gary Anthony Vecchiarelli President, CFO | May 14, 2026 | Tax withholding | −632 | $13.98 | $8.84K | 63,145 |
| Scott Eugene Garrison EVP, Chief Development Officer | May 14, 2026 | Tax withholding | −1,192 | $13.98 | $16.66K | 200,908 |
| Taylor Monnig CTO, COO | May 14, 2026 | Tax withholding | −211 | $13.98 | $2.95K | 168,905 |
| S. Matthew Schultz CEO & Chairman, Director | May 14, 2026 | Tax withholding | −9,031 | $13.98 | $126.25K | 2,466,639 |
| Gary Anthony Vecchiarelli President, CFO | May 13, 2026 | Option exercise | +1,606 | – | – | 63,777 |
| Scott Eugene Garrison EVP, Chief Development Officer | May 13, 2026 | Option exercise | +2,677 | – | – | 202,100 |
| Taylor Monnig CTO, COO | May 13, 2026 | Option exercise | +535 | – | – | 169,116 |
| S. Matthew Schultz CEO & Chairman, Director | May 13, 2026 | Option exercise | +20,525 | – | – | 2,475,670 |
| Thomas Leigh Wood Director | Mar 31, 2026 | Option exercise | +7,353 | – | – | 56,127 |
| Amanda Cavaleri Director | Mar 31, 2026 | Option exercise | +7,353 | – | – | 121,995 |
| Larry McNeill Director | Mar 31, 2026 | Option exercise | +7,353 | – | – | 303,473 |
| Roger Paul Beynon Director | Mar 31, 2026 | Option exercise | +7,353 | – | – | 140,217 |
| Gary Anthony Vecchiarelli President, CFO | Feb 18, 2026 | Tax withholding | −27,397 | $9.25 | $253.42K | 662,803 |
| Gary Anthony Vecchiarelli President, CFO | Feb 18, 2026 | Tax withholding | −632 | $9.23 | $5.83K | 662,171 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 15, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of CleanSpark's stock actually held short. Settlement fails (shares not delivered on time) peaked at 8,506 shares on Aug 26, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Scott Eugene Garrison Officer | Oct 1, 2026 | 14,854 | $191.32K | Oct 1, 2026 | Vesting of RSUs |
| Taylor Monnig Officer | Oct 1, 2026 | 16,458 | $211.98K | Oct 1, 2026 | Vesting of RSUs |
| Brian Jay Carson Officer | Sep 4, 2026 | 60,463 | $760.63K | Sep 4, 2026 | Vesting of RSUs |
| Taylor Monnig Officer | Sep 4, 2026 | 146,874 | $1.85M | Sep 4, 2026 | Vesting of RSUs |
| Scott Eugene Garrison Officer | Sep 4, 2026 | 132,558 | $1.67M | Sep 4, 2026 | Vesting of RSUs |
| Gary Anthony Vecchiarelli Officer | Sep 4, 2026 | 156,795 | $1.97M | Sep 4, 2026 | Vesting of RSUs |
| S. Matthew Schultz Officer, Director | Sep 4, 2026 | 440,752 | $5.54M | Sep 4, 2026 | Vesting of RSUs |
| S. Matthew Schultz Officer, Director | Aug 14, 2026 | 9,031 | $104.04K | Aug 14, 2026 | Vesting of RSUs |
| Gary Anthony Vecchiarelli Officer | Aug 14, 2026 | 632 | $7.28K | Aug 14, 2026 | Vesting of RSUs |
| Scott Eugene Garrison Officer | Aug 14, 2026 | 1,192 | $13.73K | Aug 14, 2026 | Vesting of RSUs |
| Taylor Monnig Officer | Aug 14, 2026 | 265 | $3.05K | Aug 14, 2026 | Vesting of RSUs |
| Scott Eugene Garrison Officer | May 14, 2026 | 1,192 | $16.66K | May 14, 2026 | Vesting of RSUs |
| Gary Anthony Vecchiarelli Officer | May 14, 2026 | 632 | $8.41K | May 14, 2026 | Vesting of RSUs |
| S. Matthew Schultz Officer, Director | May 14, 2026 | 9,031 | $120.11K | May 14, 2026 | Vesting of RSUs |
| Taylor Monnig Officer | May 14, 2026 | 211 | $2.81K | May 14, 2026 | Vesting of RSUs |