A $120K cluster buy for Marathon Bancorp Inc (MBBC) on 06/03/2026 after 23 months of no clear discretionary insider activity trend.
| Action | Amount | Date | Insider | Role(s) | SEC Filing No |
|---|---|---|---|---|---|
| Buy | $55K | 06/11/2026 | Spatz Nora | EVP and CAO | 0001437749-26-020344 |
| Buy | $15K | 06/11/2026 | Zillges Nicholas W | Director, President and CEO | 0001437749-26-020346 |
| Buy | $15K | 06/11/2026 | Knopf Michelle | EVP and COO | 0001437749-26-020348 |
| Buy | $20K | 06/11/2026 | Cornish Terry | SVP and CCO | 0001437749-26-020350 |
| Buy | $15K | 06/17/2026 | Zillges Nicholas W | Director, President and CEO | 0001437749-26-020909 |
| Action | Insider | Role(s) | Total Change | % Change |
|---|---|---|---|---|
| Buy | Spatz Nora | EVP and CAO | $55K | 10.7% |
| Buy | Zillges Nicholas W | Director, President and CEO | $30K | 14.2% |
| Buy | Knopf Michelle | EVP and COO | $15K | 5.7% |
| Buy | Cornish Terry | SVP and CCO | $20K | 5.4% |
| Action | Amount | Date | Insider | Security | Type | SEC Code |
|---|---|---|---|---|---|---|
| Buy | $10K | 06/03/2026 | Spatz Nora | Common Stock | Discretionary | Purchase |
| Buy | $3K | 06/03/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |
| Buy | $3K | 06/03/2026 | Knopf Michelle | Common Stock | Discretionary | Purchase |
| Buy | $4K | 06/03/2026 | Cornish Terry | Common Stock | Discretionary | Purchase |
| Buy | $1K | 06/04/2026 | Spatz Nora | Common Stock | Discretionary | Purchase |
| Buy | $289 | 06/04/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |
| Buy | $275 | 06/04/2026 | Knopf Michelle | Common Stock | Discretionary | Purchase |
| Buy | $372 | 06/04/2026 | Cornish Terry | Common Stock | Discretionary | Purchase |
| Buy | $5K | 06/05/2026 | Spatz Nora | Common Stock | Discretionary | Purchase |
| Buy | $1K | 06/05/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |
| Buy | $1K | 06/05/2026 | Knopf Michelle | Common Stock | Discretionary | Purchase |
| Buy | $2K | 06/05/2026 | Cornish Terry | Common Stock | Discretionary | Purchase |
| Buy | $3K | 06/08/2026 | Spatz Nora | Common Stock | Discretionary | Purchase |
| Buy | $783 | 06/08/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |
| Buy | $769 | 06/08/2026 | Knopf Michelle | Common Stock | Discretionary | Purchase |
| Buy | $1K | 06/08/2026 | Cornish Terry | Common Stock | Discretionary | Purchase |
| Buy | $28K | 06/09/2026 | Spatz Nora | Common Stock | Discretionary | Purchase |
| Buy | $8K | 06/09/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |
| Buy | $8K | 06/09/2026 | Knopf Michelle | Common Stock | Discretionary | Purchase |
| Buy | $10K | 06/09/2026 | Cornish Terry | Common Stock | Discretionary | Purchase |
| Buy | $9K | 06/10/2026 | Spatz Nora | Common Stock | Discretionary | Purchase |
| Buy | $3K | 06/10/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |
| Buy | $2K | 06/10/2026 | Knopf Michelle | Common Stock | Discretionary | Purchase |
| Buy | $3K | 06/10/2026 | Cornish Terry | Common Stock | Discretionary | Purchase |
| Buy | $15K | 06/16/2026 | Zillges Nicholas W | Common Stock | Discretionary | Purchase |