MARATHON BANCORP INC (MBBC) insider trading activity (SEC Form 4). Over the trailing 90 days, MBBC insiders filed 5 purchases totalling $120K and 0 sales totalling $0 — net BUYING of $120K. Most recent filing: Jun 17, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Zillges Nicholas W | Pres, CEO | P Purchase | — | $15.00 | $15K | filing |
| Jun 11, 2026 | Knopf Michelle | EVP, COO | P Purchase | — | $14.35 | $15K | filing |
| Jun 11, 2026 | Cornish Terry | SVP, CCO | P Purchase | — | $14.35 | $20K | filing |
| Jun 11, 2026 | Zillges Nicholas W | Pres, CEO | P Purchase | — | $14.35 | $15K | filing |
| Jun 11, 2026 | Spatz Nora | EVP, CAO | P Purchase | — | $14.35 | $55K | filing |