Insider · CIK 0001855798
Nicholas W Zillges
Files at MBBC (Marathon Bancorp, Inc. /MD/). First filing May 20, 2025, latest Jun 17, 2026.
In brief
Nicholas W Zillges files SEC Form 4 as CEO, president and director at MBBC (Marathon Bancorp, Inc. /MD/). Since May 20, 2025, Nicholas W Zillges has reported 6 open-market buys worth $67k and 0 open-market sells worth $0, the latest filed on Jun 17, 2026.
After Nicholas W Zillges's past buys, the stock beat the S&P 500 by a median 7.8% over six months (n = 4), and 75% of those buys were ahead of the index at six months. InsiderTell labels that a positive record.
The newest scored trade: bought $15k of MBBC on Jun 16, 2026, filed Jun 17, 2026, scored 50 (moderate). In the last 12 months: 4 buys worth $57k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MBBC: Marathon Bancorp, Inc. /MD/
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | Marathon Bancorp, Inc. /MD/ | $15k 970 shares | +2% | +51% from low-3% from high | |
| 45Moderate | Marathon Bancorp, Inc. /MD/ | $15k 1,076 shares | +2% | +39% from low-11% from high | |
| 30Weak | MBBCbuy Marathon Bancorp, Inc. /MD/ | $12k 1,075 shares | +3% | - | |
| 25Weak | MBBCbuy Marathon Bancorp, Inc. /MD/ | $15k 1,325 shares | +4% | - | |
| 30Weak | MBBCbuy Marathon Bancorp, Inc. /MD/ | $4,995 500 shares | +2% | - | |
| 25Weak | MBBCbuy Marathon Bancorp, Inc. /MD/ | $5,034 500 shares | +2% | - |
Transactions
Every row this insider has filed, 26 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 28, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | FTax withholding Common Stock | -1,269 | $15.49 | $20k | 55,936 | Jun 30, 2026 |
| Jun 16, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stock | +970 | $15.00 | $15k | 57,205 | Jun 17, 2026 |
| Jun 15, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | AGrant or award Common Stock | +16,934 | $0.00 | $0 | 56,235 | Jun 16, 2026 |
| Jun 15, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | AGrant or award Stock Optionsderivative | +42,335 | $0.00 | $0 | 42,335 | Jun 16, 2026 |
| Jun 3, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stockindirect: By 401(k) | +203 | $13.75 | $2,791 | 50,287 | Jun 11, 2026 |
| Jun 4, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stockindirect: By 401(k) | +21 | $13.77 | $289 | 50,308 | Jun 11, 2026 |
| Jun 5, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stockindirect: By 401(k) | +90 | $14.25 | $1,282 | 50,398 | Jun 11, 2026 |
| Jun 8, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stockindirect: By 401(k) | +55 | $14.24 | $783 | 50,453 | Jun 11, 2026 |
| Jun 9, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stockindirect: By 401(k) | +537 | $14.50 | $7,787 | 50,990 | Jun 11, 2026 |
| Jun 10, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stockindirect: By 401(k) | +170 | $14.75 | $2,508 | 51,160 | Jun 11, 2026 |
| Jun 3, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | MOption exercise Common Stock | +1,500 | $6.48 | $9,720 | 39,301 | Jun 5, 2026 |
| Jun 3, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | MOption exercise Stock Optionsderivative | -1,500 | $0.00 | $0 | 3,000 | Jun 5, 2026 |
| Feb 23, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | MOption exercise Common Stock | +2,998 | $6.48 | $19k | 37,801 | Feb 24, 2026 |
| Feb 23, 2026 | MBBC Marathon Bancorp, Inc. /MD/ | MOption exercise Stock Optionsderivative | -2,998 | $0.00 | $0 | 4,500 | Feb 24, 2026 |
| Dec 1, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | IDiscretionary transaction Common Stockindirect: By 401(k) | +1,646 | $11.27 | $19k | 49,426 | Dec 3, 2025 |
| Dec 2, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | IDiscretionary transaction Common Stockindirect: By 401(k) | +634 | $11.11 | $7,044 | 50,060 | Dec 3, 2025 |
| Dec 2, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | IDiscretionary transaction Common Stockindirect: By 401(k) | +24 | $11.30 | $271 | 50,084 | Dec 3, 2025 |
| Nov 26, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stock | +1,075 | $11.37 | $12k | 34,803 | Nov 28, 2025 |
| Nov 13, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stock | +1,325 | $11.00 | $15k | 33,728 | Nov 14, 2025 |
| Jun 28, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | FTax withholding Common Stock | -1,169 | $9.99 | $12k | 32,403 | Jul 2, 2025 |
| Jun 28, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | FTax withholding Common Stock | -1,196 | $9.99 | $12k | 32,376 | Jul 1, 2025 |
| Jun 13, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stock | +500 | $9.99 | $4,995 | 33,572 | Jun 16, 2025 |
| May 29, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | IDiscretionary transaction Common Stockindirect: By 401(k) | +695 | $10.01 | $6,957 | 47,780 | Jun 3, 2025 |
| May 16, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | POpen-market purchase Common Stock | +500 | $10.07 | $5,034 | 33,072 | May 20, 2025 |
| Apr 21, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | AGrant or award Common Stock | +6,500 | $10.00 | $65k | 32,572 | Apr 22, 2025 |
| Apr 21, 2025 | MBBC Marathon Bancorp, Inc. /MD/ | AGrant or award Common Stockindirect: By 401(k) | +3,500 | $10.00 | $35k | 47,085 | Apr 22, 2025 |
Questions about Nicholas W Zillges
Answered from the filings on this page, as of the latest one.
Is Nicholas W Zillges buying or selling?
In the last 12 months Nicholas W Zillges reported 4 open-market buys worth $57k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $15k of MBBC on Jun 16, 2026. Grants, option exercises and tax withholding are not counted.
How did Nicholas W Zillges's past buys perform?
Measured from the first close after each filing, the stock beat the S&P 500 by a median 7.8% over six months across 4 past buys, with 75% ahead of the index. Past results describe what happened; they do not predict the next trade.
Where does Nicholas W Zillges file Form 4?
Nicholas W Zillges has filed Form 4 at MBBC (Marathon Bancorp, Inc. /MD/) as President and CEO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.