9 insiders reported 95 Form 4 transactions for Marathon Bancorp, Inc. /MD/ (MBBC) over the past 18 months (most recent 2026-09-18). Recent activity: Spatz Nora (EVP and CAO) Buy 962 shares, Spatz Nora (EVP and CAO) Buy 1,201 shares, Selting-Buchberger Joy (SVP and CFO) Sell 522 shares, Spatz Nora (EVP and CAO) Sell 503 shares, Zillges Nicholas W (President and CEO) Sell 1,269 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-18 | Spatz Nora | EVP and CAO | Buy | 962 | $6,234 |
| 2026-09-18 | Spatz Nora | EVP and CAO | Buy | 1,201 | $9,764 |
| 2026-06-30 | Selting-Buchberger Joy | SVP and CFO | Sell | 522 | $8,086 |
| 2026-06-30 | Spatz Nora | EVP and CAO | Sell | 503 | $7,791 |
| 2026-06-30 | Zillges Nicholas W | President and CEO | Sell | 1,269 | $19,657 |
| 2026-06-30 | Cornish Terry | SVP and CCO | Sell | 247 | $3,826 |
| 2026-06-30 | Knopf Michelle | EVP and COO | Sell | 225 | $3,485 |
| 2026-06-17 | Zillges Nicholas W | President and CEO | Buy | 970 | $14,550 |
| 2026-06-16 | Wimmer Timothy R | Director | Buy | 3,386 | $0 |
| 2026-06-16 | Knopf Michelle | EVP and COO | Buy | 5,450 | $0 |
| 2026-06-16 | Zientara Amy | Director | Buy | 3,386 | $0 |
| 2026-06-16 | Werth Ann M | Director | Buy | 3,386 | $0 |
| 2026-06-16 | Grimm Thomas L | Director | Buy | 3,386 | $0 |
| 2026-06-16 | Spatz Nora | EVP and CAO | Buy | 6,450 | $0 |
| 2026-06-16 | Cornish Terry | SVP and CCO | Buy | 3,500 | $0 |
| 2026-06-16 | Zillges Nicholas W | President and CEO | Buy | 16,934 | $0 |
| 2026-06-11 | Spatz Nora | EVP and CAO | Buy | 722 | $9,928 |
| 2026-06-11 | Spatz Nora | EVP and CAO | Buy | 74 | $1,019 |
| 2026-06-11 | Spatz Nora | EVP and CAO | Buy | 320 | $4,560 |
| 2026-06-11 | Spatz Nora | EVP and CAO | Buy | 197 | $2,805 |
| 2026-06-11 | Spatz Nora | EVP and CAO | Buy | 1,904 | $27,608 |
| 2026-06-11 | Spatz Nora | EVP and CAO | Buy | 602 | $8,880 |
| 2026-06-11 | Cornish Terry | SVP and CCO | Buy | 116 | $1,653 |
| 2026-06-11 | Cornish Terry | SVP and CCO | Buy | 27 | $372 |
| 2026-06-11 | Cornish Terry | SVP and CCO | Buy | 263 | $3,616 |
来源：SEC Form 4 申报文件 · 截至 2026-09-18