How many insider trades does FilingIQ track for MBBC?

FilingIQ tracks 116 Form 4 insider transactions for MBBC (Marathon Bancorp, Inc. /MD/), covering filings from Dec 8, 2021 onwards. 14 of those were filed in the last 90 days.

Are MBBC insiders net buyers or net sellers?

Across the full Form 4 history for MBBC, 12 transactions (10%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does MBBC insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is MBBC in?

Marathon Bancorp, Inc. /MD/ (MBBC) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $39.50M.

MBBC insider trading

Financial Services

Marathon Bancorp, Inc. /MD/ — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

116

Last 90 days

Buys / sells

10% / 0%

Market cap

$39.50M

About Marathon Bancorp, Inc. /MD/

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.

Company website: www.marathonbank.com

MBBC insider activity at a glance

FilingIQ has scored 116 insider transactions for MBBC since Dec 8, 2021. The most recent filing in our index is dated May 5, 2026.

Across the full history, 12 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on MBBC insider trades is 54.4/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live MBBC trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for MBBC?: FilingIQ tracks 116 Form 4 insider transactions for MBBC (Marathon Bancorp, Inc. /MD/), covering filings from Dec 8, 2021 onwards. 14 of those were filed in the last 90 days.
Are MBBC insiders net buyers or net sellers?: Across the full Form 4 history for MBBC, 12 transactions (10%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does MBBC insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is MBBC in?: Marathon Bancorp, Inc. /MD/ (MBBC) is classified in the Financial Services sector, specifically Banks - Regional, with a current market capitalisation of $39.50M.

Methodology & sources

Every MBBC insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.