Marathon Bancorp, Inc. filings document its public-company reporting as the holding company for Marathon Bank and as the issuer of MBBC common stock listed on Nasdaq. The record includes 8-K disclosures for material corporate events such as stock repurchase programs and proxy-related filings for shareholder meetings.
Definitive proxy statements and voting reports describe board elections, independent auditor ratification, equity incentive plan matters and stockholder voting results. The filings also identify registered common stock, governance processes and capital actions for the bank holding company.
Marathon Bancorp, Inc. executive Nora Spatz reported option exercises that increased her equity stake in the company. As EVP and CAO, she exercised stock options for 2,399 shares of Common Stock at $8.13 per share and 1,921 shares at $6.48 per share on March 18, 2026.
Following these exercises, her direct Common Stock holdings rose to 19,979 shares. She also has additional indirect holdings, including 35,701 shares held through a 401(k) plan and 1,598 shares held by a trust. Footnotes note that her stock options and restricted stock vest at a rate of 20% per year beginning on June 28, 2023 and May 16, 2024, respectively.
Marathon Bancorp, Inc. President and CEO Nicholas W. Zillges exercised stock options and acquired additional common shares of the company. On February 23, 2026, he exercised 2,998 stock options at a price of $0.00 per option, increasing his directly held options to 4,500.
The option exercise resulted in the acquisition of 2,998 shares of common stock at $6.48 per share, bringing his directly owned common stock to 37,801 shares. He also has indirect ownership of common stock through an IRA, an ESOP, and a 401(k) plan.
Footnotes indicate certain restricted stock and stock options vest at a rate of 20% per year beginning on June 28, 2023 or May 16, 2024, meaning his ability to fully access these awards increases gradually over several years.
AllianceBernstein L.P. has filed a Schedule 13G reporting beneficial ownership of 153,238 shares of Marathon Bancorp Inc common stock, representing 5.2% of the class as of 12/31/2025. The shares are held for investment purposes in client discretionary advisory accounts.
AllianceBernstein states it has sole power to vote and dispose of these 153,238 shares and no shared voting or dispositive power. It certifies the holdings are in the ordinary course of business and not for the purpose of changing or influencing control of Marathon Bancorp.
Marathon Bancorp, Inc. reported sharply higher profitability for the quarter and six months ended December 31, 2025. Quarterly net income rose to $501,396, up from $51,127 a year earlier, with diluted earnings per share increasing to $0.19 from $0.02. For the six-month period, net income increased to $945,689 versus $226,034, and diluted earnings per share improved to $0.35 from $0.08. Loan balances grew to $211.9 million from $200.8 million, while deposits reached $178.4 million. Asset quality indicators remained solid, with nonaccrual loans concentrated in one-to-four-family residential mortgages totaling $190,013 and an allowance for credit losses of $1.7 million. The bank’s capital position stayed strong, with a Tier 1 leverage ratio of 15.27%, well above regulatory well-capitalized thresholds.
Marathon Bancorp, Inc. reported the results of its Annual Meeting of Stockholders held on November 18, 2025. Stockholders elected two directors, Ann M. Werth and Timothy R. Wimmer, each to serve a three-year term ending in 2028. Ms. Werth received 1,361,508 votes for and 308,253 withheld, and Mr. Wimmer received 1,538,316 votes for and 131,445 withheld, with 430,230 broker non-votes for each nominee.
Stockholders also ratified the appointment of Bonadio & Co., LLP as Marathon Bancorp’s independent registered public accounting firm for the fiscal year ending June 30, 2026, with 2,073,452 votes for, 12,360 against and 14,179 abstentions. All proposals presented to stockholders were approved.
Marathon Bancorp (MBBC) reported an insider purchase by its President and CEO. On 11/13/2025, the reporting person bought 1,325 shares of common stock at $10.9999 per share. Following this trade, directly held shares totaled 33,728. Indirect holdings include 47,780 shares by a 401(k), 604 by an IRA, and 2,723 by an ESOP.
The filer also holds stock options: 29,994 at an exercise price of $8.1294 (exercisable beginning 06/28/2023, expiring 06/28/2032) and 7,498 at $6.4831 (exercisable beginning 05/16/2024, expiring 05/16/2033). Restricted stock and options vest at 20% per year on the stated schedules.
Marathon Bancorp (MBBC) reported stronger quarterly results. For the three months ended September 30, 2025, net income was $444,293, up from $174,907 a year ago, and diluted EPS was $0.17 versus $0.06. Net interest income rose to $1,953,024, supported by higher loan interest, while a $40,000 recovery of credit losses lifted results.
Total assets were $245,988,425 as of September 30, 2025. Loans, net, increased to $206,258,687 from $200,795,706 since June 30, 2025, and deposits rose to $181,721,590 from $175,240,826. Accumulated other comprehensive loss improved to $(432,968) from $(485,930). Capital remained robust with a Tier 1 leverage ratio of 15.04%, and the Bank was categorized as well capitalized under the CBLR framework. Borrowings included $15.0 million of callable, putable FHLB advances. Nonaccrual one‑to‑four‑family residential loans were $190,013. Operating cash flow was $463,961, with loan growth driving a $(5,869,971) use of cash in investing and a $6,480,764 increase in cash from deposit inflows.
Marathon Bancorp, Inc. (MBBC) set its 2025 annual meeting for November 18, 2025 at 9:00 a.m. local time in Wausau, Wisconsin. Stockholders will vote on two items: electing two directors—Ann M. Werth and Timothy R. Wimmer—for three‑year terms, and ratifying Bonadio & Co., LLP as independent registered public accounting firm for the year ending June 30, 2026. The Board unanimously recommends a vote “FOR” each proposal.
Directors are elected by a plurality of votes cast. Auditor ratification requires a majority of votes cast. Stockholders of record at the close of business on September 30, 2025 are entitled to vote; there were 2,938,698 shares of common stock outstanding as of that date. Bonadio & Co., LLP billed audit fees of $187,125 and tax fees of $14,500 for the year ended June 30, 2025. The Board reports a majority of independent directors and an independent Chair.
The proxy materials and the 2025 Annual Report are available at www.cstproxy.com/marathon/2025.
Marathon Bancorp, Inc. filed a Form S-8 to register shares under its 2022 Equity Incentive Plan and the Marathon Bank 401(k) Plan for issuance to employees and plan participants. The filing incorporates by reference the company’s Annual Report for the year ended June 30, 2025 and prior filings that describe the company’s common stock, and lists corporate documents and consents as exhibits, with certain opinions and the filing fee table filed herewith. The registrant affirms it will timely submit the 401(k) plan for IRS qualification and includes customary indemnification and power-of-attorney provisions for officers to effect the registration.