Brian J. Carson - 20 Mar 2026 Form 4 Insider Report for CLEANSPARK, INC. (CLSK)

Reporting relationship: Chief Accounting Officer
Issuer ticker: CLSK
Reported as of: 20 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Mar 2026, 20:08:59 UTC
Prior 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 24 Mar 2026.

Key facts

This page summarizes Brian J. Carson's Form 4 filing for CLEANSPARK, INC. (CLSK).
2 reported transactions and 8 derivative rows are listed below.
Accepted by SEC: 24 Mar 2026, 20:08.

Change

Previous filing in this sequence was filed on 18 Feb 2026.
Current net transaction value: $0.

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: 24 Mar 2026

Reported non-derivative transactions

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

CLSK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 47,321
Date: 20 Mar 2026
Ownership: Direct

Reported derivative securities

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

CLSK transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +100,000
Change %
Price: $0.000000^*
Shares after: 100,000
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 100,000
Exercise price: $0.000000
Footnotes: F7

CLSK transaction Derivative

Performance Stock Units

Award

Transaction value
Shares: +75,000
Change %
Price: $0.000000^*
Shares after: 75,000
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 75,000
Exercise price: $0.000000
Footnotes: F8

CLSK holding Derivative

Employee Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,500
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 12,500
Exercise price: $2.83
Footnotes: F1

CLSK holding Derivative

Employee Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,000
Exercise price: $6.00
Footnotes: F2

CLSK holding Derivative

Employee Stock Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,000
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,000
Exercise price: $16.15
Footnotes: F3

CLSK holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 280,837
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 280,837
Exercise price: $0.000000
Footnotes: F4

CLSK holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 81,875
Date: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 81,875
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: 20 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 131,000
Exercise price: $0.000000
Footnotes: F6

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 8 footnotes

Footnote F1

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

Footnote F2

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

Footnote F3

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

Footnote F4

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

Footnote F5

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.

Footnote F6

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

Footnote F7

These RSUs vest in equal annual installments over three years on March 20, 2027, March 20, 2028, and March 20, 2029, subject to the Reporting Person's continued employment or service with the Issuer through each such date.

Footnote F8

Vesting of these Long-Term Incentive Plan ("LTIP") awards is contingent on the common stock achieving a specified target market price of at least $18.80 based on a 20-trading day average during the period ending March 20, 2027, subject to the Reporting Person remaining employed by the Issuer on the vesting date of March 20, 2029. The reported LTIP awards do not include LTIP awards in respect of a maximum of 75,000 shares of common stock for which such awards will vest in accordance with their terms upon achievement of specified performance goals tied to gross power under leases to customers for data centers, with threshold performance at 600 MW gross and maximum payout at 800 MW gross, during the period ending March 20, 2027, subject to the Reporting Person remaining employed by the Issuer on the vesting date of March 20, 2029.