SEC Form 4 · accession 0001437749-26-020346
Marathon Bancorp, Inc. /MD/ · MBBC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Nicholas W Zillges
Officer — President and CEO · Director
Period of report
Jun 3, 2026
Accepted (ET)
Jun 11, 2026 · 6:01 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001835385
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 3, 2026 | P | 203 | $13.748 | A | 50,287 | I | By 401(k) |
| Common StockF2 | Jun 4, 2026 | P | 21 | $13.7678 | A | 50,308 | I | By 401(k) |
| Common StockF3 | Jun 5, 2026 | P | 90 | $14.2481 | A | 50,398 | I | By 401(k) |
| Common StockF4 | Jun 8, 2026 | P | 55 | $14.241 | A | 50,453 | I | By 401(k) |
| Common Stock | Jun 9, 2026 | P | 537 | $14.50 | A | 50,990 | I | By 401(k) |
| Common Stock | Jun 10, 2026 | P | 170 | $14.75 | A | 51,160 | I | By 401(k) |
| Common StockF5 | holding | — | — | — | 39,301 | D | ||
| Common Stock | holding | — | — | — | 604 | I | By IRA | |
| Common Stock | holding | — | — | — | 4,429 | I | By ESOP |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionsF6 | $8.13 | holding | — | — | — | Jun 28, 2023 | Jun 28, 2032 | Common Stock | 29,994 | 29,994 | D |
| Stock OptionsF7 | $6.48 | holding | — | — | — | May 16, 2024 | May 16, 2033 | Common Stock | 3,000 | 3,000 | D |
Explanation of responses
- F1The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.655 to $13.75, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.
- F2The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.75 to $14.00, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (2) to this Form 4.
- F3The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.00 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (3) to this Form 4.
- F4The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $14.18 to $14.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (4) to this Form 4.
- F5Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
- F6Stock options vest at a rate of 20% per year commencing on June 28, 2023.
- F7Stock options vest at a rate of 20% per year commencing on May 16, 2024.