MBBC Insider Trading Activity and SEC Form 4 Filings
MBBC insider trading summary
Over the past 12 months, insiders at Marathon Bancorp, Inc. (MBBC) reported 27 open-market purchases worth $146K by 4 insiders and no sales on SEC Form 4. Net insider buying was $146K.
Latest MBBC insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Jun 16, 2026 | Nicholas W Zillges | President and CEO | Buy | $15K (970 @ $15.00) |
| Jun 10, 2026 | Michelle Knopf | EVP and COO | Buy | $2K (164 @ $14.75) |
| Jun 10, 2026 | Nicholas W Zillges | President and CEO | Buy | $3K (170 @ $14.75) |
| Jun 10, 2026 | Terry Cornish | SVP and CCO | Buy | $3K (219 @ $14.75) |
| Jun 10, 2026 | Nora Spatz | EVP and CAO | Buy | $9K (602 @ $14.75) |
| Jun 9, 2026 | Nicholas W Zillges | President and CEO | Buy | $8K (537 @ $14.50) |
| Jun 9, 2026 | Nora Spatz | EVP and CAO | Buy | $28K (1,904 @ $14.50) |
| Jun 9, 2026 | Michelle Knopf | EVP and COO | Buy | $8K (519 @ $14.50) |
| Jun 9, 2026 | Terry Cornish | SVP and CCO | Buy | $10K (693 @ $14.50) |
| Jun 8, 2026 | Nora Spatz | EVP and CAO | Buy | $3K (197 @ $14.24) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.