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Marathon Bancorp (MBBC) EVP records routine tax-withholding share move

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Marathon Bancorp, Inc. EVP and COO Michelle Knopf reported an update to her equity holdings in company securities. The filing shows a tax-withholding disposition of 86 shares of Common Stock at $14.50 per share, used to cover tax obligations rather than an open-market sale.

After this event, she holds 3,332 Common shares directly, plus indirect holdings of 1,274 shares through an ESOP and 18,298 shares through a 401(k). She also retains stock options over 4,804 shares at $6.48 and 4,498 shares at $8.13, which vest at 20% per year under existing equity award schedules.

Positive

  • None.

Negative

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Insider Knopf Michelle
Role EVP and COO
Type Security Shares Price Value
Tax Withholding Common Stock 86 $14.50 $1K
holding Stock Options -- -- --
holding Stock Options -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 3,332 shares (Direct, null); Stock Options — 4,498 shares (Direct, null); Common Stock — 18,298 shares (Indirect, By 401(k))
Footnotes (1)
  1. Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024. Stock options vest at a rate of 20% per year commencing on June 28, 2023. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
Tax-withheld shares 86 shares Common Stock delivered for tax obligations at $14.50 per share
Tax-withholding price $14.50 per share Price applied to 86 Common Stock shares for tax settlement
Direct Common shares after event 3,332 shares Direct ownership of Marathon Bancorp Common Stock following disposition
ESOP indirect shares 1,274 shares Indirect ownership via ESOP
401(k) indirect shares 18,298 shares Indirect ownership via 401(k) plan
Stock options @ $6.48 4,804 underlying shares Options on Common Stock, $6.48 exercise price, expiring 2033-05-16
Stock options @ $8.13 4,498 underlying shares Options on Common Stock, $8.13 exercise price, expiring 2032-06-28
ESOP financial
"Indirect holdings include 1,274 shares of Common Stock held by ESOP."
An Employee Stock Ownership Plan (ESOP) is a program that gives employees ownership shares in their company, often as part of their benefits package. It acts like a company-sponsored savings plan, allowing workers to have a stake in the company's success, which can boost motivation and loyalty. For investors, ESOPs can influence company decisions and stock value, making them an important aspect of corporate ownership and governance.
401(k) financial
"Indirect holdings include 18,298 shares of Common Stock held by 401(k)."
A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.
Stock options financial
"Stock options vest at a rate of 20% per year commencing on June 28, 2023."
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
tax-withholding disposition financial
"Transaction code F indicates a tax-withholding disposition of 86 shares."
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
restricted stock financial
"Includes shares of restricted stock which vest at a rate of 20% per year."
Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.
SEC Form 4
FORM 4UNITED 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*
Knopf Michelle

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

(Street)
WAUSAU WISCONSIN 54403

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Marathon Bancorp, Inc. /MD/ [ MBBC ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP and COO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/16/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock05/16/2026F86D$14.53,332(1)(2)D
Common Stock18,298IBy 401(k)
Common Stock1,274IBy 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options$8.1306/28/202306/28/2032Common Stock4,498(3)4,498(3)D
Stock Options$6.4805/16/202405/16/2033Common Stock4,804(4)4,804(4)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. Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.
3. Stock options vest at a rate of 20% per year commencing on June 28, 2023.
4. Stock options vest at a rate of 20% per year commencing on May 16, 2024.
/s/ Benjamin Azoff, pursuant to power of attorney05/19/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider activity did Marathon Bancorp (MBBC) report for Michelle Knopf?

Marathon Bancorp reported EVP and COO Michelle Knopf had 86 Common Stock shares withheld for taxes. This routine Form 4 event reflects equity compensation tax settlement rather than an open-market share sale, while her broader equity position in the company remains substantial.

How many Marathon Bancorp (MBBC) shares does Michelle Knopf hold after this Form 4?

After the reported tax-withholding disposition, Michelle Knopf directly holds 3,332 Marathon Bancorp Common shares. She also has indirect ownership of 1,274 shares via an ESOP and 18,298 shares through a 401(k), in addition to outstanding stock options on further shares.

What type of transaction is the 86-share movement in Marathon Bancorp (MBBC) stock?

The 86-share movement is classified as a tax-withholding disposition under code F. Shares were delivered to satisfy tax obligations tied to equity compensation, distinguishing this from an open-market sale and indicating a mechanistic, compensation-related transaction for the executive.

What stock options on Marathon Bancorp (MBBC) does Michelle Knopf still hold?

Michelle Knopf holds stock options over 4,804 Marathon Bancorp shares at an exercise price of $6.48 and 4,498 shares at $8.13. According to the filing footnotes, these options vest at 20% per year under their respective grant schedules.

How are Michelle Knopf’s indirect Marathon Bancorp (MBBC) holdings structured?

Her indirect Marathon Bancorp holdings consist of 1,274 Common shares held through an employee stock ownership plan and 18,298 shares via a 401(k) plan. These retirement-related vehicles indicate long-term exposure to company equity alongside her direct holdings and stock options.