// company-profile
Marathon Bancorp, Inc. /MD/
MBBC// activity-summary
Recent insider activity is bullish. Over the last 30 days, 50 insiders purchased shares (net $195K). Buying was led by Spatz Nora.
// 90-day insight
Over the last 90 days, Marathon Bancorp, Inc. /MD/ insiders bought $195K across 50 transactions with no open-market sales.
- Most active insider: Zillges Nicholas W with 10 transactions totaling $37K.
- Largest single purchase: $29K by Wimmer Timothy R on Jun 3, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Marathon Bancorp, Inc. /MD/ as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | Zillges Nicholas W | MBBC | Purchase | 970 | $15.00 | $15K |
| Jun 15, 2026 | Cornish Terry | MBBC | Award | 7,000 | $0.00 | $0K |
| Jun 15, 2026 | Zillges Nicholas W | MBBC | Award | 16,934 | $0.00 | $0K |
| Jun 15, 2026 | Knopf Michelle | MBBC | Award | 10,000 | $0.00 | $0K |
| Jun 15, 2026 | Spatz Nora | MBBC | Award | 11,000 | $0.00 | $0K |
45 more transactions hidden
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