Grimm Thomas L (CIK 1856214) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-16). Recent activity: Buy MBBC (3,386 shares), Buy MBBC (300 shares), Buy MBBC (3,599 shares), Buy MBBC (599 shares), Buy MBBC (7,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | Marathon Bancorp, Inc. /MD/ (MBBC) | Director | Buy | 3,386 | $0 |
| 2026-06-05 | Marathon Bancorp, Inc. /MD/ (MBBC) | Director | Buy | 300 | $1,944 |
| 2026-03-20 | Marathon Bancorp, Inc. /MD/ (MBBC) | Director | Buy | 3,599 | $29,260 |
| 2026-03-20 | Marathon Bancorp, Inc. /MD/ (MBBC) | Director | Buy | 599 | $3,882 |
| 2025-04-22 | Marathon Bancorp, Inc. /MD/ (MBBC) | Director | Buy | 7,500 | $75,000 |
Source: SEC Form 4 filings · as of 2026-06-16