# EDGAR Filing Document

**Accession Number:** 0001835385
**File Stem:** 0000943374-26-000217
**Filing Date:** 2026-5
**Character Count:** 6265
**Document Hash:** b924762d489f5f3544b5835811f89ec9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000943374-26-000217.hdr.sgml**: 20260528

**ACCESSION NUMBER**: 0000943374-26-000217

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260528

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260528

**DATE AS OF CHANGE**: 20260528

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Marathon Bancorp, Inc. /MD/
- **CENTRAL INDEX KEY:** 0001835385
- **STANDARD INDUSTRIAL CLASSIFICATION:** SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 862191258
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42608
- **FILM NUMBER:** 261037602

**BUSINESS ADDRESS:**
- **STREET 1:** 500 SCOTT STREET
- **CITY:** WAUSAU
- **STATE:** WI
- **ZIP:** 54403
- **BUSINESS PHONE:** (715) 845-7331

**MAIL ADDRESS:**
- **STREET 1:** 500 SCOTT STREET
- **CITY:** WAUSAU
- **STATE:** WI
- **ZIP:** 54403

?xml version='1.0' encoding='ASCII'?

#### UNITED STATES

#### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D.C. 20549

#### FORM 8-K

#### CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): <u>May 28, 2026</u>

<u>MARATHON BANCORP, INC.</u> 

(Exact Name of Registrant as Specified in its Charter)

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| | | |
|:---|:---|:---|
| <u>Maryland</u><br>| <u>001-42608</u> | <u>86-2191258</u><br>|
| (State or Other Jurisdiction) | (Commission File No.) | (I.R.S. Employer |
| of Incorporation) | | Identification No.) |
| <u>500 Scott Street, Wausau, Wisconsin</u> | <u>500 Scott Street, Wausau, Wisconsin</u> | <u>54402</u><br>|
| (Address of Principal Executive Offices) | (Address of Principal Executive Offices) | (Zip Code) |

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Registrant's telephone number, including area code: (715) 845-7331

<u>Not Applicable</u>

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | |
|:---|:---|
| **Title of each class** | **Name of each exchange on which registered** |
| Common Stock, $0.01 par value<br>MBBC | The Nasdaq Stock Market LLC<br>|

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | |
|:---|:---|
| **Item 5.02** | **<u>Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</u>** |

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(e) On May 28, 2026, the stockholders of Marathon Bancorp, Inc. (the "Company") approved the Company's 2026 Equity Incentive Plan (the "Plan"), which provides for the grant of stock-based awards to officers, employees and directors of the Company and Marathon Bank. A description of the material terms of the Plan is contained in the Company's definitive proxy statement for the Special Meeting of Stockholders filed with the Securities and Exchange Commission on April 24, 2026. A copy of the Plan is filed as Exhibit 10.1 to this Current Report on Form 8-K.

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| | |
|:---|:---|
| **Item 5.07** | **<u>Submission of Matters to a Vote of Security Holders</u>** |

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A Special Meeting of Stockholders of the Company was held on May 28, 2026. The matter listed below was submitted to a vote of the stockholders through the solicitation of proxies, and the proposal is described in detail in the Company's definitive proxy statement filed with the Securities and Exchange Commission on April 24, 2026. The proposal was approved by the Company's stockholders. The final results of the stockholder vote were as follows:

1. The approval of the Company's 2026 Equity Incentive Plan.

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| | | | |
|:---|:---|:---|:---|
| For | Against | Abstain | Broker Non-Votes |
| 2024653 | 135220 | 98908 | - |

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**Item 9.01. Financial Statements and Exhibits**

(d) Exhibits

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| | |
|:---|:---|
| <u>**Exhibit No.**</u> | **<u>Description</u>**<br>|
| [10.1](https://www.sec.gov/Archives/edgar/data/1835385/000110465926048151/tm2612200d1_def14a.htm) | [Marathon Bancorp, Inc. 2026 Equity Incentive Plan (incorporated by reference to Appendix A to the proxy statement for the Special Meeting of Stockholders filed with the Securities and Exchange Commission on April 24, 2026 (file no. 001-42608))](https://www.sec.gov/Archives/edgar/data/1835385/000110465926048151/tm2612200d1_def14a.htm) |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

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#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

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| | | |
|:---|:---|:---|
|  |  | **Marathon Bancorp, Inc.**<br>|
| DATE: May 28, 2026 | By: <br>| <u>/s/ Nicholas W. Zillges</u> |
|  |  | Nicholas W. Zillges<br> President and Chief Executive Officer |

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