Marathon Bancorp, Inc. (MBBC) company profile
Close on Nov 12, 2026Market cap $44.85MP/E 22.6Yield –
About Marathon Bancorp
Savings Institutions, Not Federally Chartered, SIC 6036
Marathon Bancorp, Inc. operates as the bank holding company for Marathon Bank, a community-oriented savings institution. Through its subsidiary, the company provides traditional banking and retail financial services to individuals and commercial clients. Its deposit products encompass checking, savings, money market, and certificate of deposit accounts, along with commercial cash management and remote deposit services. The company's lending activities concentrate primarily on commercial and multifamily real estate loans, as well as one- to four-family residential mortgage loans. It also originates construction, commercial and industrial, and consumer loans to a lesser extent, while investing in debt securities.
The company delivers its banking products and services through a main office and four branch locations. Its operations and branches are situated across Marathon, Ozaukee, and Waukesha counties in Wisconsin, with lending activities extending into broader markets across Southeastern Wisconsin, including the Milwaukee metropolitan area. Marathon Bancorp is headquartered in Wausau, Wisconsin.
Summary of the business section of Marathon Bancorp's latest annual report, written by StockData.
Company profile
Company
- Legal name
- Marathon Bancorp, Inc.
- Founded
- 1902
- Headquarters
- Wausau, WI
- Address
- 500 Scott Street 54403
- Phone
- (715) 845-7331
- Website
- marathonbank.com
- Employees
- 31, Jun 30, 2026
- Industry
- Savings Institutions, Not Federally Chartered
- Fiscal year ends
- June 30
- Auditor
- Bonadio & Co., LLP, Pittsford, New York
Stock & identifiers
- Ticker
- MBBC
- Exchange
- Nasdaq
- IPO date
- Apr 20, 2021
- Shares outstanding
- 3M, Sep 15, 2026
- Public float
- $6.93M, Dec 31, 2025
- Filer category
- Non-accelerated filer<br>Smaller reporting company
- SEC CIK
- 1835385
- CUSIP
- 565759206
- ISIN
- US5657592060
- FIGI
- BBG00YHYKDJ1
- Share class FIGI
- BBG00YHYKFD2
- EIN
- 86-2191258
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Nicholas W. Zillges | President and CEO, Director | 112,129 |
| Nora Spatz | EVP and CAO | 74,045 |
| Joy Selting-Buchberger | SVP and CFO | 28,725 |
| Terry Cornish | SVP and CCO | 35,711 |
| Michelle Knopf | EVP and COO | 30,131 |
| Ann M. Werth | Director | 8,501 |
| Amy Zientara | Director | 27,110 |
| Thomas L. Grimm | Director | 28,678 |
| Timothy R. Wimmer | Director | 20,246 |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2026 | $999.31K | $1.30M | $361.52K | $233 | – |
| FY2025 | $573.27K | $711.06K | $184.02K | $152 | – |
“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.
Executive compensation, fiscal 2026
Summary compensation table from the latest proxy statement
| Executive | Salary | Bonus | Stock awards | Option awards | Other | Total | vs. prior year |
|---|---|---|---|---|---|---|---|
| Nicholas W. Zillges President and Chief Executive Officer | $363.83K | $91.00K | $246.39K | $242.16K | $55.94K | $999.31K | +74% |
| Nora Spatz Executive Vice President and Chief Administrative Officer | $165.77K | $23.00K | $93.85K | $62.92K | $15.65K | $361.19K | – |
| Michelle Knopf Executive Vice President and Chief Operating Officer | $185.00K | $12.50K | $79.30K | $57.20K | $27.85K | $361.85K | +92% |
Stock and option awards are grant-date fair values, not realized pay. “Other” includes pension value changes and all other compensation. Source proxy statement.
Employees
Headcount reported in annual reports
“As of June 30, 2026, we had 31 full-time equivalent employees.”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Apr 21, 2025 | Listing | Registration of securities on an exchange (Form 8-A) |
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