Form 4 for MBBC Marathon Bancorp, Inc. /MD/
Accepted 2026-03-20 00:00:00 ET · period of report 2026-03-20 · accession 0001437749-26-009249 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-03-20 | 2026-03-20 | MBBC | Grimm Thomas L | Dir | M - OptEx | $7.89 | +4,198 | 22.0K | +24% | +$33.1K |
| DM | 2026-03-20 | 2026-03-20 | MBBC | Grimm Thomas L | Dir | M - OptEx | — | 0 | 900 | New | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-20 | M | A | 3,599 | $8.13 | 21,395 | I By Trust | — | — | |
| 2 | Common | Common Stock | 2026-03-20 | M | A | 599 | $6.48 | 21,994 | I By Trust | — | — | |
| 3 | Derivative | Stock Options | 2026-03-20 | M | D | — | $0.00 | 2,400 | D | $8.13 · 2023-06-28 to 2032-06-28 | 3,599 Common Stock | (F2) Stock options vest at a rate of 20% per year commencing on June 28, 2023. |
| 4 | Derivative | Stock Options | 2026-03-20 | M | D | — | $0.00 | 900 | D | $6.48 · 2024-05-16 to 2033-05-16 | 599 Common Stock | (F3) Stock options vest at a rate of 20% per year commencing on May 16, 2024. |