Nicholas W. Zillges is CEO & President at Marathon Bancorp, Inc. /MD/ (MBBC). They have made 11 open-market trades across 2 companies since 2021, most recently 2026-06-28.
CIK 0001855798
11 open-market purchases totalling $125K since 2021, never a sale. Across 10 scored buys the stock is up 0.4% at ninety days, and 5.4 points behind the S&P over the same stretch.
10 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| MBBC | 55,936 | $834K |
| MBBS | 23,432 | — |
| Total | $834K |
Shares reported on the most recent Form 4, priced at the 2026-06-30 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 20% | 20% | 20% |
| Avg Move | +0.7% | +0.5% | +0.4% |
| Alpha | -29.2% | -0.7% | -5.4% |
| Scored | 10 | 10 | 10 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MBBC | BUY | 2026-06-16 | 2026-06-17 | $15.00 | $15K | +1.1% | +1.1% | +0.8% |
| MBBC | BUY | 2026-06-03 | 2026-06-11 | $14.35 | $15K | +5.8% | +3.8% | +3.6% |
| MBBC | BUY | 2025-11-26 | 2025-11-28 | $11.37 | $12K | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2025-11-13 | 2025-11-14 | $11.00 | $15K | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2025-06-13 | 2025-06-16 | $9.99 | $5K | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2025-05-16 | 2025-05-20 | $10.07 | $5K | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2024-03-06 | 2024-03-07 | $9.51 | $951 | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2023-11-16 | 2023-11-17 | $7.34 | $11K | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2023-05-18 | 2023-05-22 | $9.50 | $10K | +0.0% | +0.0% | +0.0% |
| MBBC | BUY | 2022-05-17 | 2022-05-18 | $10.75 | $11K | +0.0% | +0.0% | +0.0% |
| MBBS | BUY | 2021-05-26 | 2021-05-27 | $10.45 | $25K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.