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Marathon Bancorp, Inc. operates as a bank holding company for Marathon Bank that provides banking products and services in the United States. It offers deposit account products, including non-interest-bearing checking, interest-bearing checking, money market, savings, and certificate of deposit accounts. The company also provides lending products, such as one-to-four family residential real estate, commercial real estate, construction, commercial and industrial, multifamily real estate, and consumer loans. In addition, it offers vehicle and equipment financing, small business administration, commercial checking, and treasury management, as well as personal online and mobile banking services. The company was founded in 1902 and is based in Wausau, Wisconsin.
Market information source · Sep 9, 2026
SEC company identity · Sep 9, 2026
Open-market timeline · full history
38 buys— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Details | |
|---|---|---|---|---|
| Zillges Nicholas Wtrack record | Other | $19.7K | SEC | |
| Selting-Buchberger Joy |
| Other |
| $8.1K |
| SEC |
| Cornish Terrytrack record | Other | $3.8K | SEC |
| Knopf Michelletrack record | Other | $3.5K | SEC |
| Spatz Noratrack record | Other | $7.8K | SEC |
| Zillges Nicholas Wtrack record | Buy | $14.6K | SEC |
| Grimm Thomas L | Award | — | SEC |
| Wimmer Timothy R | Award | — | SEC |
| Werth Ann M | Award | — | SEC |
| Cornish Terrytrack record | AwardD (derivative) | — | SEC |
| Cornish Terrytrack record | Award | — | SEC |
| Knopf Michelletrack record | AwardD (derivative) | — | SEC |
| Zillges Nicholas Wtrack record | AwardD (derivative) | — | SEC |
| Wimmer Timothy R | AwardD (derivative) | — | SEC |
| Spatz Noratrack record | Award | — | SEC |
| Werth Ann M | AwardD (derivative) | — | SEC |
| Zientara Amy | Award | — | SEC |
| Spatz Noratrack record | AwardD (derivative) | — | SEC |
| Zillges Nicholas Wtrack record | Award | — | SEC |
| Grimm Thomas L | AwardD (derivative) | — | SEC |
| Knopf Michelletrack record | Award | — | SEC |
| Zientara Amy | AwardD (derivative) | — | SEC |
| Zillges Nicholas Wtrack record | Buy | $2.8K | SEC |
| Cornish Terrytrack record | Buy | $10K | SEC |
| Spatz Noratrack record | Buy | $8.9K | SEC |