Brian J. Carson - 09 Sep 2025 Form 4 Insider Report for CLEANSPARK, INC. (CLSK)

Reporting relationship: Chief Accounting Officer
Issuer ticker: CLSK
Reported as of: 09 Sep 2025
Net transaction value: -$74,573
SEC form: 4
Accepted by SEC: 09 Sep 2025, 21:04:04 UTC
Prior SEC filing: 08 Sep 2025
Next SEC filing: 18 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Brian J. Carson

Key filing fact

Brian J. Carson filed Form 4 for CLEANSPARK, INC. (CLSK) on 09 Sep 2025.

Key facts

This page summarizes Brian J. Carson's Form 4 filing for CLEANSPARK, INC. (CLSK).
3 reported transactions and 7 derivative rows are listed below.
Accepted by SEC: 09 Sep 2025, 21:04.

Change

Previous filing in this sequence was filed on 08 Sep 2025.
Current net transaction value: -$74,573.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002040721 Primary reporting owner

Carson Brian Jay

Relationship: Chief Accounting Officer
Address: 10624 S. EASTERN AVE., SUITE A-638, HENDERSON
Signature: /s/ Brian J. Carson
Signature date: 09 Sep 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLSK transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +32,750
Change %: +260%
Price: $0.000000
Shares after: 45,365
Date: 09 Sep 2025
Ownership: Direct

CLSK transaction

Common Stock

Tax liability

Transaction value: $74,573
Shares: -7,975
Change %: -18%
Price: $9.35
Shares after: 37,390
Date: 09 Sep 2025
Ownership: Direct
Footnotes: F1

CLSK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,615
Date: 09 Sep 2025
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CLSK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -32,750
Change %: -25%
Price: $0.000000
Shares after: 98,250
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 32,750
Exercise price: $0.000000
Footnotes: F6

CLSK holding Derivative

Employee Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,500
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,500
Exercise price: $2.83
Footnotes: F2

CLSK holding Derivative

Employee Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,000
Exercise price: $6.00
Footnotes: F3

CLSK holding Derivative

Employee Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,000
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,000
Exercise price: $16.15
Footnotes: F4

CLSK holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 280,837
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 280,837
Exercise price: $0.000000
Footnotes: F5

CLSK holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 131,000
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 131,000
Exercise price: $0.000000
Footnotes: F6

CLSK holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 131,000
Date: 09 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 131,000
Exercise price: $0.000000
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 6 footnotes

Footnote F1

This is a weighted average of prices for all sales made on September 9, 2025, ranging from $9.1501 to $9.6540. Upon request, the Reporting Person will provide to the SEC, the Issuer, or any security holder of the Issuer full information regarding the number of shares sold at each separate price.

Footnote F2

These Options were granted on October 14, 2022 and vest in equal monthly installments over 36 months.

Footnote F3

These Options were granted on July 7, 2023 and vest in equal monthly installments over 36 months.

Footnote F4

These Options were granted on May 3, 2024 and vest in equal monthly installments over 36 months.

Footnote F5

These RSUs vest in equal annual installments over three years on September 4, 2026, September 4, 2027, and September 4, 2028.

Footnote F6

These RSUs vest 25% on September 9, 2025; the remaining 75% vests in equal semiannual installments over three years on February 13, 2026, September 4, 2026, February 13, 2027, September 4, 2027, February 13, 2028, and September 4, 2028.