CleanSpark, Inc. (CLSK) Insider Trading
Over the last 3 months, CLSK insiders made 0 open-market buys and 1 sale, a net sale of -$622 (SEC Form 4). Over the last 6 months, 240 institutions increased and 272 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
-$622
Insider trades by month Buys Sells
Feb
Mar
May
Sep
Dec
Aug
Context3-month price -39.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 14, 2026 | Vecchiarelli Gary Anthonyofficer: President, CFO | Tax | 632 | $11.51 |
| Aug 14, 2026 | Garrison Scott Eugeneofficer: EVP, Chief Development Officer | Tax | 1,192 | $11.51 |
| Aug 14, 2026 | Garrison Scott Eugeneofficer: EVP, Chief Development Officer | Option | 2,676 | — |
| Aug 14, 2026 | Monnig Taylorofficer: CTO, COO | Sell | 54 | $11.51 |
| Aug 14, 2026 | Monnig Taylorofficer: CTO, COO | Tax | 211 | $11.51 |
| Aug 14, 2026 | Monnig Taylorofficer: CTO, COO | Option | 536 | — |
| Aug 14, 2026 | Schultz S. Matthewdirector, officer: CEO & Chairman | Option | 20,524 | — |
| Aug 14, 2026 | Schultz S. Matthewdirector, officer: CEO & Chairman | Tax | 9,031 | $11.51 |
| Aug 14, 2026 | Vecchiarelli Gary Anthonyofficer: President, CFO | Option | 1,606 | — |
| May 14, 2026 | Vecchiarelli Gary Anthonyofficer: President, CFO | Option | 1,606 | — |
| May 14, 2026 | Garrison Scott Eugeneofficer: EVP, Chief Development Officer | Tax | 1,192 | $13.98 |
| May 14, 2026 | Garrison Scott Eugeneofficer: EVP, Chief Development Officer | Option | 2,677 | — |
| May 14, 2026 | Monnig Taylorofficer: CTO, COO | Tax | 211 | $13.98 |
| May 14, 2026 | Monnig Taylorofficer: CTO, COO | Option | 535 | — |
| May 14, 2026 | Schultz S. Matthewdirector, officer: CEO & Chairman | Tax | 9,031 | $13.98 |
| May 14, 2026 | Schultz S. Matthewdirector, officer: CEO & Chairman | Option | 20,525 | — |
| May 14, 2026 | Vecchiarelli Gary Anthonyofficer: President, CFO | Tax | 632 | $13.98 |
| Apr 2, 2026 | McNeill Larrydirector | Grant | 31,220 | — |
| Apr 2, 2026 | Cavaleri Amandadirector | Option | 7,353 | — |
| Apr 2, 2026 | Beynon Roger Pauldirector | Option | 7,353 | — |
| Apr 2, 2026 | Cavaleri Amandadirector | Grant | 31,220 | — |
| Apr 2, 2026 | McNeill Larrydirector | Option | 7,353 | — |
| Apr 2, 2026 | Wood Thomas Leighdirector | Grant | 31,220 | — |
| Apr 2, 2026 | Wood Thomas Leighdirector | Option | 7,353 | — |
| Apr 2, 2026 | Beynon Roger Pauldirector | Grant | 31,220 | — |
| Mar 24, 2026 | Carson Brian Jayofficer: Chief Accounting Officer | Grant | 75,000 | — |
| Mar 24, 2026 | Garrison Scott Eugeneofficer: EVP, Chief Development Officer | Grant | 160,000 | — |
| Mar 24, 2026 | Monnig Taylorofficer: CTO, COO | Grant | 830,500 | — |
| Mar 24, 2026 | Monnig Taylorofficer: CTO, COO | Grant | 210,000 | — |
| Mar 24, 2026 | Monnig Taylorofficer: CTO, COO | Grant | 280,000 | — |
Source: CLSK SEC Form 4 filings, latest Aug 14, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CLSK positions over the last 6 months (SEC Form 13F).
Increased
240
New positions
162
Reduced
272
Sold out
42
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 42.3M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 41.7M | May 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 14.9M | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 14.1M | May 7, 2026 |
| JANE STREET GROUP, LLC | Increased | 12.8M | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Increased | 12.4M | Aug 14, 2026 |
| SITUATIONAL AWARENESS LP | Increased | 12.3M | May 18, 2026 |
| Situational Awareness LP | Unchanged | 12.3M | Aug 14, 2026 |
| Situational Awareness Partners LP | New Position | 12.3M | May 18, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 12.0M | Aug 14, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 11.5M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 11.1M | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 11.1M | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 11.1M | May 15, 2026 |
| STATE STREET CORP | Increased | 11.0M | Aug 7, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.