MBBC SEC Form 4 filings
Marathon Bancorp, Inc. /Md/ Latest Insider Trading Activity
Our insider trading activity tracker for Marathon Bancorp, Inc. /Md/ shows 25 total open-market insider transactions for MBBC over the past 89 days. The most recent displayed transaction was on June 16, 2026, when Zillges Nicholas W (Marathon Bancorp, Inc. /Md/ President and CEO) reported a purchase of 970 shares at $15.00 per share. This page shows up to the 10 most recent SEC Form 4 filing records on a 24-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MBBC | 2026-06-17 | 2026-06-16 | Marathon Bancorp, Inc. /Md/ | Zillges Nicholas W | President and CEO | Buy | 1 | 970 | $15.00 | $14,550.00 | 1.70% | View Filing |
| MBBC | 2026-06-11 | 2026-06-10 | Marathon Bancorp, Inc. /Md/ | Cornish Terry | SVP and CCO | Buy | 6 | 1,389 | $14.35 | $19,930.10 | 5.11% | View Filing |
| MBBC | 2026-06-11 | 2026-06-10 | Marathon Bancorp, Inc. /Md/ | Knopf Michelle | EVP and COO | Buy | 6 | 1,041 | $14.35 | $14,936.81 | 5.38% | View Filing |
| MBBC | 2026-06-11 | 2026-06-10 | Marathon Bancorp, Inc. /Md/ | Spatz Nora | EVP and CAO | Buy | 6 | 3,819 | $14.35 | $54,797.24 | 9.66% | View Filing |
| MBBC | 2026-06-11 | 2026-06-10 | Marathon Bancorp, Inc. /Md/ | Zillges Nicholas W | President and CEO | Buy | 6 | 1,076 | $14.35 | $15,439.55 | 2.10% | View Filing |
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