Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Marathon Bancorp, Inc. /md/ (MBBC) since 2021 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Marathon Bancorp, Inc. /md/. Table 2 shows the detailed insider transactions. This company's CIK number is 1835385.
Total stock buying since 2021: $221,802.
Total stock sales since 2021: $0.
Total stock option exercises since 2021: $179,726.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 8,295 | $119,644 | 0 | $0 | 25,010 | $179,726 |
| 2025 | 3,400 | $36,826 | 0 | $0 | 0 | $0 |
| 2024 | 100 | $951 | 0 | $0 | 0 | $0 |
| 2023 | 3,340 | $28,283 | 0 | $0 | 0 | $0 |
| 2022 | 1,025 | $11,018 | 0 | $0 | 0 | $0 |
| 2021 | 2,400 | $25,080 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-06 | 8,295 | $119,644 | 0 | $0 | 11,996 | $87,134 |
| 2026-05 | 0 | $0 | 0 | $0 | 1,498 | $10,942 |
| 2026-03 | 0 | $0 | 0 | $0 | 8,518 | $62,223 |
| 2026-02 | 0 | $0 | 0 | $0 | 2,998 | $19,427 |
| 2025-11 | 2,400 | $26,797 | 0 | $0 | 0 | $0 |
| 2025-06 | 500 | $4,995 | 0 | $0 | 0 | $0 |
| 2025-05 | 500 | $5,034 | 0 | $0 | 0 | $0 |
| 2024-03 | 100 | $951 | 0 | $0 | 0 | $0 |
| 2023-11 | 1,540 | $11,183 | 0 | $0 | 0 | $0 |
| 2023-05 | 1,800 | $17,100 | 0 | $0 | 0 | $0 |
| 2022-05 | 1,025 | $11,018 | 0 | $0 | 0 | $0 |
| 2021-05 | 2,400 | $25,080 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-06-16 | Zillges Nicholas W (President and CEO) | Buy | 970 | 15.00 | 14,550 |
| 2026-06-10 | Spatz Nora (EVP and CAO) | Buy | 602 | 14.75 | 8,879 |
| 2026-06-10 | Cornish Terry (SVP and CCO) | Buy | 219 | 14.75 | 3,230 |
| 2026-06-10 | Knopf Michelle (EVP and COO) | Buy | 164 | 14.75 | 2,419 |
| 2026-06-10 | Zillges Nicholas W (President and CEO) | Buy | 170 | 14.75 | 2,507 |
| 2026-06-09 | Spatz Nora (EVP and CAO) | Buy | 1,904 | 14.50 | 27,608 |
| 2026-06-09 | Cornish Terry (SVP and CCO) | Buy | 693 | 14.50 | 10,048 |
| 2026-06-09 | Knopf Michelle (EVP and COO) | Buy | 519 | 14.50 | 7,525 |
| 2026-06-09 | Zillges Nicholas W (President and CEO) | Buy | 537 | 14.50 | 7,786 |
| 2026-06-08 | Spatz Nora (EVP and CAO) | Buy | 197 | 14.24 | 2,805 |
| 2026-06-08 | Cornish Terry (SVP and CCO) | Buy | 71 | 14.24 | 1,011 |
| 2026-06-08 | Knopf Michelle (EVP and COO) | Buy | 54 | 14.24 | 769 |
| 2026-06-08 | Zillges Nicholas W (President and CEO) | Buy | 55 | 14.24 | 783 |
| 2026-06-05 | Spatz Nora (EVP and CAO) | Buy | 320 | 14.25 | 4,559 |
| 2026-06-05 | Cornish Terry (SVP and CCO) | Buy | 116 | 14.25 | 1,652 |
| 2026-06-05 | Knopf Michelle (EVP and COO) | Buy | 87 | 14.25 | 1,239 |
| 2026-06-05 | Zillges Nicholas W (President and CEO) | Buy | 90 | 14.25 | 1,282 |
| 2026-06-04 | Spatz Nora (EVP and CAO) | Buy | 74 | 13.77 | 1,018 |
| 2026-06-04 | Cornish Terry (SVP and CCO) | Buy | 27 | 13.77 | 371 |
| 2026-06-04 | Knopf Michelle (EVP and COO) | Buy | 20 | 13.77 | 275 |
| 2026-06-04 | Zillges Nicholas W (President and CEO) | Buy | 21 | 13.77 | 289 |
| 2026-06-03 | Wimmer Timothy R (Director) | Option Ex | 4,498 | 7.30 | 32,857 |
| 2026-06-03 | Grimm Thomas L (Director) | Option Ex | 300 | 6.48 | 1,944 |
| 2026-06-03 | Zientara Amy (Director) | Option Ex | 4,498 | 7.30 | 32,857 |
| 2026-06-03 | Spatz Nora (EVP and CAO) | Buy | 722 | 13.75 | 9,926 |
| 2026-06-03 | Spatz Nora (EVP and CAO) | Option Ex | 1,200 | 8.13 | 9,756 |
| 2026-06-03 | Cornish Terry (SVP and CCO) | Buy | 263 | 13.75 | 3,615 |
| 2026-06-03 | Knopf Michelle (EVP and COO) | Buy | 197 | 13.75 | 2,708 |
| 2026-06-03 | Zillges Nicholas W (President and CEO) | Buy | 203 | 13.75 | 2,790 |
| 2026-06-03 | Zillges Nicholas W (President and CEO) | Option Ex | 1,500 | 6.48 | 9,720 |
| 2026-05-05 | Werth Ann M (Director) | Option Ex | 1,498 | 7.30 | 10,942 |
| 2026-03-20 | Grimm Thomas L (Director) | Option Ex | 4,198 | 7.30 | 30,666 |
| 2026-03-18 | Spatz Nora (EVP and CAO) | Option Ex | 4,320 | 7.30 | 31,557 |
| 2026-02-23 | Zillges Nicholas W (President and CEO) | Option Ex | 2,998 | 6.48 | 19,427 |
| 2025-11-26 | Zillges Nicholas W (President and CEO) | Buy | 1,075 | 11.37 | 12,222 |
| 2025-11-13 | Zillges Nicholas W (President and CEO) | Buy | 1,325 | 11.00 | 14,575 |
| 2025-06-13 | Zillges Nicholas W (President and CEO) | Buy | 500 | 9.99 | 4,995 |
| 2025-05-16 | Zillges Nicholas W (President and CEO) | Buy | 500 | 10.07 | 5,034 |
| 2024-03-06 | Zillges Nicholas W (President and CEO) | Buy | 100 | 9.51 | 951 |
| 2023-11-16 | Zillges Nicholas W (President and CEO) | Buy | 1,540 | 7.26 | 11,183 |
| 2023-05-18 | Spatz Nora (EVP and CAO) | Buy | 800 | 9.50 | 7,600 |
| 2023-05-18 | Zillges Nicholas W (President and CEO) | Buy | 1,000 | 9.50 | 9,500 |
| 2022-05-17 | Zillges Nicholas W (President and CEO) | Buy | 1,025 | 10.75 | 11,018 |
| 2021-05-26 | Zillges Nicholas W (President and CEO) | Buy | 2,400 | 10.45 | 25,080 |
Insider trading activities including stock purchases, stock sales, and option exercises of MBBC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Marathon Bancorp, Inc. /md/ (symbol MBBC, CIK number 1835385) see the Securities and Exchange Commission (SEC) website.