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: 18 Feb 2026, 21:18.
Brian J. Carson - 13 Feb 2026 Form 4 Insider Report for CLEANSPARK, INC. (CLSK)
- Reporting relationship
- Chief Accounting Officer
- Issuer ticker
- CLSK
- Reported as of
- 13 Feb 2026
- Net transaction value
- -$59,629
- SEC form
- 4
- Accepted by SEC
- 18 Feb 2026, 21:18:03 UTC
- Prior SEC filing
- 09 Sep 2025
- Next SEC filing
- 24 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brian J. Carson
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Brian J. Carson filed Form 4 for CLEANSPARK, INC. (CLSK) on 18 Feb 2026.
Change
- Previous filing in this sequence was filed on 09 Sep 2025.
- Current net transaction value: -$59,629.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 18 Feb 2026
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
- +16,375
- Change %
- +44%
- Price
- $0.000000
- Shares after
- 53,765
- Date
- 13 Feb 2026
- Ownership
- Direct
CLSK
transaction
Common Stock
Tax liability
- Transaction value
- $59,629
- Shares
- -6,444
- Change %
- -12%
- Price
- $9.25
- Shares after
- 47,321
- Date
- 18 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
CLSK
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 37,390
- Date
- 13 Feb 2026
- 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
- -16,375
- Change %
- -17%
- Price
- $0.000000
- Shares after
- 81,875
- Date
- 13 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 16,375
- 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
- 13 Feb 2026
- 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
- 13 Feb 2026
- 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
- 13 Feb 2026
- 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
- 13 Feb 2026
- 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
- 13 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 98,250
- 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
- 13 Feb 2026
- 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 sales made on February 18, 2026, ranging from $9.0901 to $9.4101. 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.