Brian J. Carson - 13 Feb 2026 Form 4 Insider Report for CLEANSPARK, INC. (CLSK)

Role
Chief Accounting Officer
Signature
/s/ Brian J. Carson
Issuer symbol
CLSK
Transactions as of
13 Feb 2026
Net transactions value
-$59,629
Form type
4
Filing time
18 Feb 2026, 21:18:03 UTC
Previous filing
09 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Carson Brian Jay Chief Accounting Officer 10624 S. EASTERN AVE., SUITE A-638, HENDERSON /s/ Brian J. Carson 18 Feb 2026 0002040721

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CLSK Common Stock Options Exercise $0 +16,375 +44% $0.000000 53,765 13 Feb 2026 Direct
transaction CLSK Common Stock Tax liability $59,629 -6,444 -12% $9.25 47,321 18 Feb 2026 Direct F1
holding CLSK Common Stock 37,390 13 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CLSK Restricted Stock Units Options Exercise $0 -16,375 -17% $0.000000 81,875 13 Feb 2026 Common Stock 16,375 $0.000000 Direct F6
holding CLSK Employee Stock Options (Right to Buy) 12,500 13 Feb 2026 Common Stock 12,500 $2.83 Direct F2
holding CLSK Employee Stock Options (Right to Buy) 10,000 13 Feb 2026 Common Stock 10,000 $6.00 Direct F3
holding CLSK Employee Stock Options (Right to Buy) 5,000 13 Feb 2026 Common Stock 5,000 $16.15 Direct F4
holding CLSK Restricted Stock Units 280,837 13 Feb 2026 Common Stock 280,837 $0.000000 Direct F5
holding CLSK Restricted Stock Units 131,000 13 Feb 2026 Common Stock 98,250 $0.000000 Direct F6
holding CLSK Restricted Stock Units 131,000 13 Feb 2026 Common Stock 131,000 $0.000000 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
F2 These Options were granted on October 14, 2022 and vest in equal monthly installments over 36 months.
F3 These Options were granted on July 7, 2023 and vest in equal monthly installments over 36 months.
F4 These Options were granted on May 3, 2024 and vest in equal monthly installments over 36 months.
F5 These RSUs vest in equal annual installments over three years on September 4, 2026, September 4, 2027, and September 4, 2028.
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.