Sec Form 4 Filing - Hollst Gary Gilbert @ CleanCore Solutions, Inc. - 2025-05-06

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Hollst Gary Gilbert 2. Issuer Name and Ticker or Trading Symbol CleanCore Solutions, Inc. [ ZONE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Revenue Officer (Last) (First) (Middle) C/O CLEANCORE SOLUTIONS, INC.,, 5920 SOUTH 118TH CIRCLE, SUITE 2 3. Date of Earliest Transaction (MM/DD/YY) 05/06/2025 (Street) OMAHA, NE68137 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class B Common Stock 05/06/2025 A 7,903 A $ 0 93,319 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option $ 1.74 05/06/2025 J( 1 ) 175,000 ( 1 ) 02/20/2028 Class B Common Stock 175,000 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hollst Gary Gilbert C/O CLEANCORE SOLUTIONS, INC., 5920 SOUTH 118TH CIRCLE, SUITE 2 OMAHA, NE68137 Chief Revenue Officer Signatures /s/ Gary Hollst 05/07/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On February 21, 2023, the Reporting Person received a stock option for the purchase of 175,000 shares of class B common stock as partial compensation for the Reporting Person's services as Chief Revenue Officer of the Issuer, with 35,000 shares vesting on the issuance date and the remaining shares vesting each month for a period of 36 months. On January 1, 2025, the Reporting Person entered into a new employment agreement, pursuant to which the Reporting Person was also granted an award of 200,000 restricted stock units. It was the understanding of the parties that the stock option would be terminated at the time that the restricted stock units were granted, but such termination was not completed. Accordingly, on May 6, 2025, the parties entered into a letter agreement to terminate the stock option and the shares of class B common stock that have previously vested pursuant to the stock option.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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