SEC Form 4 · accession 0001437749-26-019698
Marathon Bancorp, Inc. /MD/ · MBBC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas L Grimm
Director
Period of report
Jun 3, 2026
Accepted (ET)
Jun 5, 2026 · 12:46 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 Stock | Jun 3, 2026 | M | 300 | $6.48 | A | 22,294 | I | By Trust |
| Common StockF1 | holding | — | — | — | 2,998 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionsF2 | $6.48 | Jun 3, 2026 | M | 300 | D | May 16, 2024 | May 16, 2033 | Common Stock | 300 | 600 | D |
| Stock OptionsF3 | $8.13 | holding | — | — | — | Jun 28, 2023 | Jun 28, 2032 | Common Stock | 2,400 | 2,400 | D |
Explanation of responses
- F1Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
- F2Stock options vest at a rate of 20% per year commencing on May 16, 2024.
- F3Stock options vest at a rate of 20% per year commencing on June 28, 2023.