Marathon Bancorp, Inc. /MD/ (MBBC)
Latest MBBC Insider Trades
About Marathon Bancorp, Inc. /MD/ (MBBC)
Marathon Bancorp Inc is a mid-tier holding company for Marathon Bank, a Wisconsin-chartered savings bank, operating as a community-oriented bank offering financial products and services. Its primary deposit products include demand deposits, savings, and certificates of deposit, while its lending products include commercial real estate, commercial and industrial, construction, one-to-four-family residential, multifamily real estate, and consumer loans. The majority of its revenue comes from interest income on loans and debt securities.
- WAUSAU, WI
- 31
- 2021
- XNAS
https://www.marathonbancorp.comSEC filings for MBBC on EDGAR
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Tax withholding / forfeiture | 5 | 2,766 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
MBBC Insider Transactions (Form 4)
1841 Form 4 filings on record, the earliest from Jun 28, 2025, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nicholas W. Zillges - Officer | Option exercise | Common Stock | 2,998 |
Recent MBBC Form 8-K Filings
2MBBC Insider Trading - FAQ
What is the latest insider trade for MBBC?
Marathon Bancorp, Inc. /MD/ (MBBC) had 5 insider filings in the last 90 days, with the most recent on 2026-06-30. The full record for MBBC runs to 41 Form 4 filings, the earliest from 2025-06-28. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying MBBC stock?
No insider purchases of MBBC were filed in the last 90 days. 27 purchases are on record for this company.
How many insiders are selling MBBC stock?
No insider sales of MBBC were filed in the last 90 days.
Where can I see MBBC SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks MBBC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow MBBC insider buys?
Create a free InsiderAlpha account and press Watch on this page to add MBBC to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Financials Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Terry Cornish view on EDGAR
- - Michelle Knopf view on EDGAR
- - Nicholas W. Zillges view on EDGAR
- - Nora Spatz view on EDGAR
- - Joy Selting-Buchberger view on EDGAR
- - Nicholas W. Zillges view on EDGAR
- - Ann M. Werth view on EDGAR
- - Timothy R. Wimmer view on EDGAR
- - Thomas L. Grimm view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Financials
- Where MBBC's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track MBBC insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
