SEC Form 4 · accession 0001437749-26-022173
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 28, 2026
Accepted (ET)
Jun 30, 2026 · 5:34 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,F2 | Jun 28, 2026 | F | 1,269 | $15.49 | D | 55,936 | D | |
| Common Stock | holding | — | — | — | 51,160 | I | By 401(k) | |
| 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 OptionsF3 | $8.13 | holding | — | — | — | Jun 28, 2023 | Jun 28, 2032 | Common Stock | 29,994 | 29,994 | D |
| Stock OptionsF4 | $6.48 | holding | — | — | — | May 16, 2024 | May 16, 2033 | Common Stock | 3,000 | 3,000 | D |
| Stock OptionsF5 | $14.55 | holding | — | — | — | Jun 15, 2027 | Jun 15, 2036 | Common Stock | 42,335 | 42,335 | D |
Explanation of responses
- F1Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
- F2Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 15, 2027.
- F3Stock options vest at a rate of 20% per year commencing on June 28, 2023.
- F4Stock options vest at a rate of 20% per year commencing on May 16, 2024.
- F5Stock options vest at a rate of 20% per year commencing on June 15, 2027.