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 vice president and chief administrative officer Nora Spatz reported new equity compensation awards. She received 6,450 shares of common stock as a grant at a stated price of $0.00 per share, bringing her direct common stock holdings to 27,599 shares, including restricted stock that vests.
Spatz was also granted stock options on 11,000 shares of common stock with an exercise price of $14.55 per share, exercisable through 2036-06-15. Footnotes state the new restricted stock and these options vest at 20% per year commencing on June 15, 2027, and other previously granted restricted stock and options vest 20% per year from June 28, 2023 and May 16, 2024.
Marathon Bancorp senior executive Terry Cornish increased his stake in company stock through a series of open-market purchases. Over several days in early June 2026, he bought a total of 1,389 shares of Common Stock indirectly through a 401(k) plan at prices between $13.655 and $14.75 per share.
After these purchases, Cornish holds 27,205 shares indirectly via his 401(k), in addition to 3,003 shares held directly and 2,250 shares held through an ESOP. He also holds stock options on 4,804 shares at an exercise price of $6.48 per share and 4,498 shares at $8.13 per share, with expirations in 2033 and 2032, respectively.
Marathon Bancorp EVP and COO Michelle Knopf reported a series of open-market purchases of 1,041 shares of common stock for her 401(k) between June 3 and June 10, at prices around $13.65 to $14.75 per share. Following these buys, her 401(k) holds 19,339 indirect shares, alongside additional direct, ESOP, and stock option positions in Marathon Bancorp stock.
Marathon Bancorp President and CEO Nicholas W. Zillges reported a series of open-market purchases of common stock through his 401(k) account. Between early and mid-June 2026, he bought a total of 1,076 shares at weighted-average prices ranging from about $13.66 to $14.75 per share, bringing his 401(k) holdings to 51,160 shares.
He also reports indirect holdings of 4,429 shares through an ESOP and 604 shares through an IRA, plus 39,301 shares held directly. In addition, he holds stock options on 29,994 shares at an exercise price of $8.13 expiring in 2032 and options on 3,000 shares at $6.48 expiring in 2033, both vesting 20% per year from their respective commencement dates.
Marathon Bancorp, Inc. EVP and CAO Nora Spatz reported a series of open-market purchases of Marathon Bancorp common stock through a 401(k) plan. Between June 3 and June 10, she bought a total of 3,819 shares at prices ranging from about $13.75 to $14.75 per share, bringing her indirect 401(k) holdings to 39,520 shares of common stock. In addition to these 401(k) holdings, she also reports indirect holdings through a spouse, an ESOP, custodial accounts, and a trust, plus direct ownership of 21,149 shares. She further holds stock options covering 2,883 shares at an exercise price of $6.48 and 2,400 shares at $8.13, which vest over time and expire in 2033 and 2032, respectively.
Marathon Bancorp director Amy Zientara exercised stock options to acquire additional common shares. On June 3, 2026 she exercised options for 899 shares at $6.48 per share and 3,599 shares at $8.13 per share, totaling 4,498 newly acquired shares.
The related derivative entries show these transactions were option exercises, not open-market purchases or sales. Footnotes indicate both her restricted stock and stock options vest at a rate of 20% per year starting in 2023 and 2024, highlighting that these awards are part of ongoing equity compensation.
Marathon Bancorp, Inc. EVP and CAO Nora Spatz exercised stock options to acquire additional common shares. On this Form 4, she exercised options covering 1,200 shares of common stock at an exercise price of $8.13 per share, bringing her directly held common stock to 21,149 shares.
She also reports various indirect holdings through a spouse, ESOP, custodial accounts, a trust, and a 401(k). Footnotes note that some reflected position changes were not required to be reported under Section 16 and that her restricted stock and stock options generally vest 20% per year beginning in 2023 and 2024.
Marathon Bancorp, Inc. President and CEO Nicholas W. Zillges reported an option exercise and updated his share holdings. He exercised stock options to acquire 1,500 shares of Common Stock at $6.48 per share, bringing his directly held Common Stock to 39,301 shares.
He now holds 29,994 stock options with an $8.13 exercise price expiring on June 28, 2032. Indirect holdings include 50,084 shares through a 401(k), 4,429 shares through an ESOP, and 604 shares through an IRA. Some entries reflect transactions not required to be reported under Section 16.
Marathon Bancorp director Thomas L. Grimm reported option-related activity and updated holdings. He exercised stock options covering 300 shares of Common Stock at $6.48 per share, with the acquired shares held indirectly by a trust, bringing that trust’s stake to 22,294 shares.
Grimm now also holds 2,998 Common shares directly, which include restricted stock that vests 20% per year beginning June 28, 2023. On the derivative side, he retains 600 stock options at a $6.48 exercise price expiring May 16, 2033, and a separate option position covering 2,400 shares at an $8.13 exercise price expiring June 28, 2032, both vesting in 20% annual installments.
Marathon Bancorp, Inc. director Timothy R. Wimmer exercised stock options for 4,498 shares of common stock on June 3, 2026, at exercise prices of $8.13 and $6.48 per share, with shares held indirectly by a trust. After these transactions, he holds 3,000 stock options directly, 13,862 common shares indirectly by trust, and 2,998 common shares directly.