S. Matthew Schultz - 12 Sep 2025 Form 4 Insider Report for CLEANSPARK, INC. (CLSK)

Role: CEO, Executive Chairman, Director
Signature: /s/ S. Matthew Schultz
Issuer symbol: CLSK
Transactions as of: 12 Sep 2025
Net transactions value: $0
Form type: 4
Filing time: 12 Sep 2025, 21:00:06 UTC
Previous filing: 09 Sep 2025
Next filing: 05 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Schultz S. Matthew	CEO, Executive Chairman, Director	10624 S. EASTERN AVE., SUITE A-638, HENDERSON	/s/ S. Matthew Schultz	12 Sep 2025	0001625587

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLSK	Common Stock	Options Exercise	$0	+405,000	+19%	$0.000000	2,489,328	12 Sep 2025	Direct
transaction	CLSK	Common Stock	Tax liability	$0	-178,200	-7.2%	$0.000000	2,311,128	12 Sep 2025	Direct	F1
holding	CLSK	Common Stock						2,084,328	12 Sep 2025	Direct
holding	CLSK	Common Stock						480,000	12 Sep 2025	By S M Schultz Irrevocable Trust
holding	CLSK	Common Stock						40,996	12 Sep 2025	By Spouse
holding	CLSK	Series A Preferred						500,000	12 Sep 2025	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	-405,000	-100%	$0.000000	0	12 Sep 2025	Common Stock	405,000	$0.000000	Direct	F6
holding	CLSK	Employee Stock Options (Right to Buy)						400,000	12 Sep 2025	Common Stock	400,000	$23.00	Direct	F2
holding	CLSK	Restricted Stock Units						184,722	12 Sep 2025	Common Stock	184,722	$0.000000	Direct	F3
holding	CLSK	Restricted Stock Units						627,753	12 Sep 2025	Common Stock	627,753	$0.000000	Direct	F4
holding	CLSK	Restricted Stock Units						1,296,750	12 Sep 2025	Common Stock	1,296,750	$0.000000	Direct	F5
holding	CLSK	Restricted Stock Units						1,729,000	12 Sep 2025	Common Stock	1,729,000	$0.000000	Direct	F4
holding	CLSK	Restricted Stock Units						405,000	12 Sep 2025	Common Stock	405,000	$0.000000	Direct	F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were withheld to cover the Reporting Person's tax liability on an RSU vesting. No sale occurred.
F2	These Options were granted on April 16, 2021 and vested in equal monthly installments over 36 months.
F3	These RSUs vest in equal quarterly installments on December 3, 2025, February 13, 2026, May 13, 2026, August 13, 2026, December 3, 2026, February 12, 2027, May 13, 2027, August 13, 2027 and December 3, 2027.
F4	These RSUs vest in equal annual installments over three years on September 4, 2026, September 4, 2027, and September 4, 2028.
F5	These RSUs vest 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.
F6	These RSUs vested on September 12, 2025.