Zillges Nicholas W (CIK 1855798) reported 23 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-30). Recent activity: Sell MBBC (1,269 shares), Buy MBBC (970 shares), Buy MBBC (16,934 shares), Buy MBBC (203 shares), Buy MBBC (21 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Sell | 1,269 | $19,657 |
| 2026-06-17 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 970 | $14,550 |
| 2026-06-16 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 16,934 | $0 |
| 2026-06-11 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 203 | $2,791 |
| 2026-06-11 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 21 | $289 |
| 2026-06-11 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 90 | $1,282 |
| 2026-06-11 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 55 | $783 |
| 2026-06-11 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 537 | $7,786 |
| 2026-06-11 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 170 | $2,508 |
| 2026-06-05 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 1,500 | $9,720 |
| 2026-02-24 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 2,998 | $19,427 |
| 2025-12-03 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 1,646 | $18,550 |
| 2025-12-03 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 634 | $7,044 |
| 2025-12-03 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 24 | $271 |
| 2025-11-28 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 1,075 | $12,223 |
| 2025-11-14 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 1,325 | $14,575 |
| 2025-07-02 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Sell | 1,169 | $11,678 |
| 2025-07-01 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Sell | 1,196 | $11,948 |
| 2025-06-16 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 500 | $4,995 |
| 2025-06-03 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 695 | $6,957 |
| 2025-05-20 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 500 | $5,035 |
| 2025-04-22 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 6,500 | $65,000 |
| 2025-04-22 | Marathon Bancorp, Inc. /MD/ (MBBC) | President and CEO | Buy | 3,500 | $35,000 |
Source: SEC Form 4 filings · as of 2026-06-30