Public-Company Data
Marathon Bank: SEC Filings
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Marathon Bank (or its holding company) is an SEC registrant. Ticker MBBC. CIK 1835385. Filings and disclosures below link to the original documents on SEC EDGAR. View all filings on EDGAR →
Recent SEC filings
| Filed | Form | Accession | Files | EDGAR |
|---|---|---|---|---|
| Oct 13, 2026 | DEF 14A | 0001104659-26-115479 | 21 | Open → |
| Oct 1, 2026 | 8-K | 0000943374-26-000436 | 14 | Open → |
| Sep 16, 2026 | 10-K | 0001104659-26-108076 | 117 | Open → |
| May 28, 2026 | 8-K | 0000943374-26-000217 | 14 | Open → |
| May 13, 2026 | 10-Q | 0001104659-26-059789 | 0 | Open → |
| Apr 24, 2026 | 8-K | 0000943374-26-000167 | 15 | Open → |
| Feb 11, 2026 | 10-Q | 0001104659-26-013033 | 0 | Open → |
| Nov 18, 2025 | 8-K | 0000943374-25-000479 | 14 | Open → |
| Nov 12, 2025 | 10-Q | 0001104659-25-109769 | 0 | Open → |
| Sep 26, 2025 | 10-K | 0001104659-25-093884 | 118 | Open → |
| May 14, 2025 | 10-Q | 0001558370-25-007658 | 0 | Open → |
| Apr 21, 2025 | 8-K | 0000943374-25-000161 | 16 | Open → |
| Apr 16, 2025 | 8-K | 0000943374-25-000155 | 16 | Open → |
| Mar 31, 2025 | 8-K | 0000943374-25-000141 | 16 | Open → |
| Mar 24, 2025 | 8-K | 0000943374-25-000139 | 16 | Open → |
| Feb 20, 2025 | 8-K | 0000943374-25-000109 | 16 | Open → |
| Feb 18, 2025 | 8-K | 0001104659-25-014749 | 16 | Open → |
| Feb 13, 2025 | 10-Q | 0001558370-25-000901 | 0 | Open → |
| Feb 7, 2025 | Other | 0000943374-25-000070 | 4 | Open → |
| Feb 7, 2025 | Other | 0000943374-25-000071 | 4 | Open → |
| Dec 19, 2024 | Other | 0000000000-24-014016 | 5 | Open → |
| Dec 12, 2024 | 8-K | 0001104659-24-128042 | 17 | Open → |
| Dec 12, 2024 | Other | 0001104659-24-128045 | 6 | Open → |
| Nov 19, 2024 | 8-K | 0000943374-24-000466 | 15 | Open → |
| Nov 13, 2024 | 10-Q | 0001558370-24-015434 | 0 | Open → |
| Sep 26, 2024 | 10-K | 0001558370-24-013026 | 118 | Open → |
| May 13, 2024 | 10-Q | 0001558370-24-007973 | 0 | Open → |
| Feb 14, 2024 | 10-Q | 0001558370-24-001113 | 0 | Open → |
| Dec 22, 2023 | 8-K | 0000943374-23-000500 | 16 | Open → |
| Nov 21, 2023 | 8-K | 0000943374-23-000450 | 15 | Open → |
| Nov 14, 2023 | 10-Q | 0001558370-23-019040 | 0 | Open → |
| Sep 20, 2023 | 10-K | 0001558370-23-015909 | 106 | Open → |
| Sep 20, 2023 | 8-K | 0000943374-23-000391 | 15 | Open → |
| May 12, 2023 | 10-Q | 0001558370-23-009496 | 0 | Open → |
| May 10, 2023 | 8-K | 0000943374-23-000186 | 15 | Open → |
| Feb 14, 2023 | 10-Q | 0001558370-23-001221 | 0 | Open → |
| Nov 22, 2022 | 8-K | 0000943374-22-000481 | 15 | Open → |
| Nov 16, 2022 | 8-K | 0000943374-22-000474 | 16 | Open → |
| Nov 14, 2022 | 10-Q | 0001558370-22-017616 | 0 | Open → |
| Sep 28, 2022 | 10-K | 0001558370-22-014665 | 99 | Open → |
8-K material events
| Date | Item | Disclosure | EDGAR |
|---|---|---|---|
| Oct 1, 2026 | 5.02 | Departure/Election of Directors or Officers; Compensation | Open → |
| May 28, 2026 | 5.02 | Departure/Election of Directors or Officers; Compensation | Open → |
| May 28, 2026 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| May 28, 2026 | 9.01 | Financial Statements and Exhibits | Open → |
| Apr 24, 2026 | 8.01 | Other Events | Open → |
| Apr 24, 2026 | 9.01 | Financial Statements and Exhibits | Open → |
| Nov 18, 2025 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| Apr 21, 2025 | 8.01 | Other Events | Open → |
| Apr 21, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Apr 16, 2025 | 8.01 | Other Events | Open → |
| Apr 16, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Mar 31, 2025 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| Mar 31, 2025 | 8.01 | Other Events | Open → |
| Mar 31, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Mar 24, 2025 | 8.01 | Other Events | Open → |
| Mar 24, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Feb 20, 2025 | 8.01 | Other Events | Open → |
| Feb 20, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Feb 18, 2025 | 1.01 | Entry into a Material Definitive Agreement | Open → |
| Feb 18, 2025 | 9.01 | Financial Statements and Exhibits | Open → |
| Dec 12, 2024 | 8.01 | Other Events | Open → |
| Dec 12, 2024 | 9.01 | Financial Statements and Exhibits | Open → |
| Nov 19, 2024 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| Dec 26, 2023 | 8.01 | Other Events | Open → |
| Dec 26, 2023 | 9.01 | Financial Statements and Exhibits | Open → |
| Nov 21, 2023 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| Sep 20, 2023 | 4.02 | Non-Reliance on Previously Issued Financial Statements | Open → |
| May 10, 2023 | 8.01 | Other Events | Open → |
| Nov 22, 2022 | 5.07 | Submission of Matters to a Vote of Security Holders | Open → |
| Nov 22, 2022 | 9.01 | Financial Statements and Exhibits | Open → |
Officers & insiders
| Name | Title / role | As of |
|---|---|---|
| Knopf Michelle | EVP and COO | Jun 2026 |
| Zillges Nicholas W | President and CEO | Jun 2026 |
| Zillges Nicholas W | President and CEO | Jun 2026 |
| Cornish Terry | SVP and CCO | Jun 2026 |
| Selting-Buchberger Joy | SVP and CFO | Jun 2026 |
M&A activity
| Date | Type | Role | Source |
|---|---|---|---|
| Oct 1, 2026 | Merger-related filing | Registrant | SEC Form 8-K |
| May 28, 2026 | Merger-related filing | Registrant | SEC Form 8-K |
| Apr 22, 2025 | Merger | Registrant | Federal Reserve NIC |
| Feb 18, 2025 | Merger announcement | Registrant | SEC Form 8-K |
| Dec 12, 2024 | Merger communication | Registrant | SEC Form 425 |
| Jun 30, 2022 | Merger-related filing | Registrant | SEC Form 8-K |
| May 24, 2022 | Merger-related filing | Registrant | SEC Form 8-K |
| Apr 19, 2021 | Merger-related filing | Registrant | SEC Form 8-K |
| Feb 17, 2021 | Merger announcement | Registrant | SEC Form 8-K |
About this data
Filings, 8-K events, officer lists and M&A activity are sourced from SEC EDGAR and, for some M&A events, Federal Reserve NIC records. SEC disclosures are filed by the publicly-traded holding company, so officer and material-event data reflect the parent registrant. For the bank's regulatory financials, see its full profile and safety analysis.