D. E. Shaw group (NASDAQ: CLSK) discloses 5% beneficial stake in CleanSpark

Rhea-AI Filing Summary

D. E. Shaw & Co., L.P., D. E. Shaw & Co., L.L.C., and David E. Shaw report beneficial ownership of CleanSpark, Inc. common stock. They collectively report beneficial ownership of 12,859,115 shares of common stock, representing 5.0% of the outstanding class.

The 12,859,115 shares consist of 7,365,595 shares held by D. E. Shaw Valence Portfolios, L.L.C., 1,117,500 shares that Valence may acquire through the exercise of call options, 4,254,197 shares held by D. E. Shaw Oculus Portfolios, L.L.C., 119,023 shares held by D. E. Shaw Cogence Portfolios, L.L.C., and 2,800 shares managed by or held in D. E. Shaw Investment Management entities. Each reporting person reports 0 shares with sole voting or dispositive power and 12,859,115 shares with shared voting and dispositive power. David E. Shaw does not directly own shares and disclaims beneficial ownership of the 12,859,115 shares, though he may be deemed a beneficial owner through control relationships with the D. E. Shaw entities.

Key Figures

Beneficial ownership: 12,859,115 shares Percent of class: 5.0% Valence Portfolios shares: 7,365,595 shares +4 more

7 metrics

Beneficial ownership 12,859,115 shares CleanSpark common stock reported by each D. E. Shaw reporting person

Percent of class 5.0% Portion of outstanding CleanSpark common stock represented by 12,859,115 shares

Valence Portfolios shares 7,365,595 shares Held by D. E. Shaw Valence Portfolios, L.L.C.

Shares via call options 1,117,500 shares Right to acquire through exercise of call options by Valence Portfolios

Oculus Portfolios shares 4,254,197 shares Held by D. E. Shaw Oculus Portfolios, L.L.C.

Cogence Portfolios shares 119,023 shares Held by D. E. Shaw Cogence Portfolios, L.L.C.

Investment Management shares 2,800 shares Under D. E. Shaw Investment Management entities

Key Terms

beneficial owner, shared voting power, shared dispositive power, call options, +1 more

5 terms

beneficial owner regulatory

"David E. Shaw may be deemed to be the beneficial owner of such shares."

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

shared voting power regulatory

"Shared Voting Power 12,859,115.00"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

shared dispositive power regulatory

"Shared Dispositive Power 12,859,115.00"

call options financial

"has the right to acquire through the exercise of call options"

A call option is a contract that gives its buyer the right, but not the obligation, to buy a specific number of shares at a predetermined price within a set time. Think of it like a refundable reservation to purchase a stock later at today’s agreed price: investors use calls to profit from expected price rises with smaller upfront cost than buying the stock outright, or to hedge and manage exposure, while the most they can lose is the amount paid for the contract.

Power of Attorney regulatory

"Exhibit 1: Power of Attorney, granted by David E. Shaw"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/17/2026 - 04:12 PM Accepted by SEC EDGAR 07/17/2026 - 04:12 PM Learn about SEC filing dates

FAQ

What stake in CleanSpark, Inc. (CLSK) does D. E. Shaw report?

D. E. Shaw & Co., L.P., D. E. Shaw & Co., L.L.C., and David E. Shaw report beneficial ownership of 12,859,115 shares of CleanSpark common stock, representing 5.0% of the outstanding class according to the Schedule 13G filing.

How is D. E. Shaw’s 12,859,115-share CleanSpark (CLSK) position composed?

The position includes 7,365,595 shares held by D. E. Shaw Valence Portfolios, 1,117,500 shares acquirable via call options, 4,254,197 shares held by Oculus, 119,023 shares by Cogence, and 2,800 shares under D. E. Shaw Investment Management entities.

What voting power does D. E. Shaw have over CleanSpark (CLSK) shares?

Each reporting person reports 0 shares with sole voting power and 12,859,115 shares with shared voting power, reflecting coordinated control over that 5.0% stake in CleanSpark common stock.

Does David E. Shaw directly own CleanSpark (CLSK) shares?

David E. Shaw does not directly own any CleanSpark shares. He may be deemed to beneficially own 12,859,115 shares through control of D. E. Shaw entities, but he disclaims beneficial ownership of these shares.

What percentage of CleanSpark (CLSK) is attributed to each D. E. Shaw reporting person?

D. E. Shaw & Co., L.P., D. E. Shaw & Co., L.L.C., and David E. Shaw each report 5.0% of the outstanding common stock of CleanSpark as beneficially owned, all tied to the same 12,859,115-share position.

Are there derivative securities in D. E. Shaw’s CleanSpark (CLSK) position?

Yes. The reported holdings include 1,117,500 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through the exercise of call options on CleanSpark common stock.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

CleanSpark, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

18452B209

(CUSIP Number)

07/10/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 18452B209

1

Names of Reporting Persons

D. E. Shaw & Co., L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 12,859,115.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 12,859,115.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

12,859,115.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.0 %

12

Type of Reporting Person (See Instructions)

IA, PN

SCHEDULE 13G

CUSIP Number(s): 18452B209

1

Names of Reporting Persons

D. E. Shaw & Co., L.L.C.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 12,859,115.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 12,859,115.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

12,859,115.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.0 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP Number(s): 18452B209

1

Names of Reporting Persons

David E. Shaw

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 12,859,115.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 12,859,115.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

12,859,115.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.0 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CleanSpark, Inc.
(b)	Address of issuer's principal executive offices: 10624 S. Eastern Ave., Suite A - 638, Henderson, NV 89052
Item 2.
(a)	Name of person filing: D. E. Shaw & Co., L.P. D. E. Shaw & Co., L.L.C. David E. Shaw
(b)	Address or principal business office or, if none, residence: The business address for each reporting person is: Two Manhattan West 375 Ninth Avenue, 52nd Floor New York, NY 10001
(c)	Citizenship: D. E. Shaw & Co., L.P. is a limited partnership organized under the laws of the state of Delaware. D. E. Shaw & Co., L.L.C. is a limited liability company organized under the laws of the state of Delaware. David E. Shaw is a citizen of the United States of America.
(d)	Title of class of securities: Common Stock, par value $0.001 per share
(e)	CUSIP Number(s): 18452B209
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: D. E. Shaw & Co., L.P.: 12,859,115 shares This is composed of (i) 7,365,595 shares in the name of D. E. Shaw Valence Portfolios, L.L.C., (ii) 1,117,500 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through the exercise of call options, (iii) 4,254,197 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iv) 119,023 shares in the name of D. E. Shaw Cogence Portfolios, L.L.C., and (v) 2,800 shares under the management of D. E. Shaw Investment Management, L.L.C. D. E. Shaw & Co., L.L.C.: 12,859,115 shares This is composed of (i) 7,365,595 shares in the name of D. E. Shaw Valence Portfolios, L.L.C., (ii) 1,117,500 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through the exercise of call options, (iii) 4,254,197 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iv) 119,023 shares in the name of D. E. Shaw Cogence Portfolios, L.L.C., and (v) 2,800 shares in the name of D. E. Shaw Investment Management Special Investment Fund, L.L.C. David E. Shaw: 12,859,115 shares This is composed of (i) 7,365,595 shares in the name of D. E. Shaw Valence Portfolios, L.L.C., (ii) 1,117,500 shares that D. E. Shaw Valence Portfolios, L.L.C. has the right to acquire through the exercise of call options, (iii) 4,254,197 shares in the name of D. E. Shaw Oculus Portfolios, L.L.C., (iv) 119,023 shares in the name of D. E. Shaw Cogence Portfolios, L.L.C., and (v) 2,800 shares under the management of D. E. Shaw Investment Management, L.L.C. David E. Shaw does not own any shares directly. By virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co., Inc., which is the general partner of D. E. Shaw & Co., L.P., which in turn is the investment adviser of D. E. Shaw Valence Portfolios, L.L.C., D. E. Shaw Oculus Portfolios, L.L.C., and D. E. Shaw Cogence Portfolios, L.L.C. and the managing member of D. E. Shaw Investment Management, L.L.C., which in turn is the investment adviser of D. E. Shaw Investment Management Special Investment Fund, L.L.C., and by virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co. II, Inc., which is the managing member of D. E. Shaw & Co., L.L.C., which in turn is the manager of D. E. Shaw Valence Portfolios, L.L.C., D. E. Shaw Oculus Portfolios, L.L.C., D. E. Shaw Cogence Portfolios, L.L.C., and D. E. Shaw Investment Management Special Investment Fund, L.L.C., David E. Shaw may be deemed to have the shared power to vote or direct the vote of, and the shared power to dispose or direct the disposition of, the 12,859,115 shares as described above constituting 5.0% of the outstanding shares, and, therefore, David E. Shaw may be deemed to be the beneficial owner of such shares. David E. Shaw disclaims beneficial ownership of such 12,859,115 shares.
(b)	Percent of class: D. E. Shaw & Co., L.P.: 5.0% D. E. Shaw & Co., L.L.C.: 5.0% David E. Shaw: 5.0%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: D. E. Shaw & Co., L.P.: 0 shares D. E. Shaw & Co., L.L.C.: 0 shares David E. Shaw: 0 shares
	(ii) Shared power to vote or to direct the vote: D. E. Shaw & Co., L.P.: 12,859,115 shares D. E. Shaw & Co., L.L.C.: 12,859,115 shares David E. Shaw: 12,859,115 shares
	(iii) Sole power to dispose or to direct the disposition of: D. E. Shaw & Co., L.P.: 0 shares D. E. Shaw & Co., L.L.C.: 0 shares David E. Shaw: 0 shares
	(iv) Shared power to dispose or to direct the disposition of: D. E. Shaw & Co., L.P.: 12,859,115 shares D. E. Shaw & Co., L.L.C.: 12,859,115 shares David E. Shaw: 12,859,115 shares
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

D. E. Shaw & Co., L.P.

Signature:	/s/ Daniel R. Marcus
Name/Title:	Daniel R. Marcus / Chief Compliance Officer
Date:	07/17/2026

D. E. Shaw & Co., L.L.C.

Signature:	/s/ Daniel R. Marcus
Name/Title:	Daniel R. Marcus / Authorized Signatory
Date:	07/17/2026

David E. Shaw

Signature:	/s/ Daniel R. Marcus
Name/Title:	Daniel R. Marcus / Attorney-in-Fact for David E. Shaw
Date:	07/17/2026

Comments accompanying signature: Exhibit 1: Power of Attorney, granted by David E. Shaw relating to D. E. Shaw & Co., Inc., in favor of the signatories hereto, among others, dated August 1, 2024. Exhibit 2: Power of Attorney, granted by David E. Shaw relating to D. E. Shaw & Co. II, Inc., in favor of the signatories hereto, among others, dated August 1, 2024.

Exhibit Information

Exhibit 3: Joint Filing Agreement, by and among the Reporting Persons, dated July 17, 2026.