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    Amendment: President and CEO Zillges Nicholas W covered exercise/tax liability with 1,169 shares, decreasing direct ownership by 3% to 32,403 units (SEC Form 4)

    7/2/25 12:18:21 PM ET
    $MBBC
    Banks
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    Get the next $MBBC alert in real time by email
    SEC FORM 4/A SEC Form 4
    FORM 4 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
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0287
    Estimated average burden
    hours per response: 0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    Zillges Nicholas W

    (Last) (First) (Middle)
    500 SCOTT STREET

    (Street)
    WAUSAU WI 54403

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    Marathon Bancorp, Inc. /MD/ [ MBBC ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    X Director 10% Owner
    X Officer (give title below) Other (specify below)
    President and CEO
    3. Date of Earliest Transaction (Month/Day/Year)
    06/28/2025
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    07/01/2025
    6. Individual or Joint/Group Filing (Check Applicable Line)
    X Form filed by One Reporting Person
    Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
    Common Stock 06/28/2025 F 1,169 D $9.99 32,403(1) D
    Common Stock 47,780 I By 401(k)
    Common Stock 604 I By IRA
    Common Stock 2,723 I By ESOP
    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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (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: 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 Options $8.1294 06/28/2023 06/28/2032 Common Stock 29,994(2) 29,994(2) D
    Stock Options $6.4831 05/16/2024 05/16/2033 Common Stock 7,498(3) 7,498(3) D
    Explanation of Responses:
    1. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
    2. Stock options vest at a rate of 20% per year commencing on June 28, 2023.
    3. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
    /s/ Benjamin Azoff, pursuant to power of attorney 07/02/2025
    ** Signature of Reporting Person Date
    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).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
    Get the next $MBBC alert in real time by email

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