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NasdaqCM · Technology · Holders

CleanSpark Inc (CLSK) Institutional Ownership & Insider Trading History

Recent insider purchases and sales for CLSK from Form 4 filings. Institutional holdings surface here when ownership sources publish.

Section freshness

Price Jul 21, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT

Source timingDetails

Data freshness

Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.

Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

PriceAt close
Last traded •
Source: Market data provider
Fundamentalsevery 1 hr
Provider checked •
Source: Market data provider
Analystevery 1 hr
Provider checked •
Source: Market data provider
Newsevery 15 min
Latest item •
Source: Market data provider

Ownership read

CLSK insider sentiment: Net selling.

3 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Review insider tradesView institutions

Insider flow

CLSK

Purchases—
Sales269.05K

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

—

Institutional data pending

Insider stance

Net selling

$3.19M sold / — bought

Latest filing

May 14, 2026

Most recent holder or insider filing date

Filings shown

120

0 holder / 120 insider

Holder rows
Pending
Market data source
Latest filing
May 14, 2026
Most recent holder or insider filing date
Increased / initiated
Pending
0 decreased
Insider rows
120
Market data source

Recent insider transactions

CleanSpark Inc (CLSK) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

Garrison Scott Eugene

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
200.91K
% company
0.08%
Price
$13.98
Value
$2,808,834

Filed May 14, 2026

Monnig Taylor

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
168.91K
% company
0.07%
Price
$13.98
Value
$2,361,410

Filed May 14, 2026

Schultz S. Matthew

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
2.47M
% company
0.96%
Price
$13.98
Value
$34,485,340

Filed May 14, 2026

Vecchiarelli Gary Anthony

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
63.15K
% company
0.02%
Price
$13.98
Value
$882,811

Filed May 14, 2026

Garrison Scott Eugene

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
16.06K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Garrison Scott Eugene

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
202.10K
% company
0.08%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Monnig Taylor

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
3.21K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Monnig Taylor

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
169.12K
% company
0.07%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Schultz S. Matthew

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
123.15K
% company
0.05%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Schultz S. Matthew

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
2.48M
% company
0.96%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Vecchiarelli Gary Anthony

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
9.64K
% company
<0.01%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Vecchiarelli Gary Anthony

Option exerciseDerivative exercise or conversion before any separate sale row.
Shares
63.78K
% company
0.02%
Price
No cash value
Value
No cash value

Filed May 13, 2026

Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.

Frequently asked

Common questions.

Who are the largest CLSK shareholders?

CleanSpark Inc (CLSK) institutional holders are ranked by reported share count when ownership data publishes filing rows.

What is institutional ownership of CLSK?

CleanSpark Inc (CLSK) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.

Where can I see CleanSpark Inc insider transactions?

CleanSpark Inc (CLSK) has 120 Form 4 insider transactions on file, most recently on May 14, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are CLSK insiders buying or selling?

Recent CLSK insider activity reads Net selling: 3 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.

Who is the most active CLSK insider?

Schultz S. Matthew is the most active CLSK insider by absolute share movement, with 28.67 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.