Company filings profile · CIK 0001835385
Marathon Bancorp, Inc. /MD/ — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Marathon Bancorp, Inc. /MD/ (MBBC): 10 filings in the last 90 days vs 28 in the prior 90 (filing-velocity cooling ↓ · 0.36×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 19, 2026. Source-linked, daily-refreshed.
Material 8-K events — Marathon Bancorp, Inc. /MD/
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| May 28, 2026 | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
| Apr 24, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
Watch Marathon Bancorp, Inc. /MD/ automatically
Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.
Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 18, 2026 | 4 | FORM 4 | ↗ |
| Sep 16, 2026 | 10-K | 10-K | ↗ |
| Jul 1, 2026 | SCHEDULE 13G/A | ↗ | |
| Jul 1, 2026 | SCHEDULE 13G | ↗ | |
| Jun 30, 2026 | 4 | FORM 4 | ↗ |
| Jun 30, 2026 | 4 | FORM 4 | ↗ |
| Jun 30, 2026 | 4 | FORM 4 | ↗ |
| Jun 30, 2026 | 4 | FORM 4 | ↗ |
| Jun 30, 2026 | 4 | FORM 4 | ↗ |
| Jun 29, 2026 | 11-K | 11-K | ↗ |
| Jun 17, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 16, 2026 | 4 | FORM 4 | ↗ |
| Jun 11, 2026 | 4 | FORM 4 | ↗ |
| Jun 11, 2026 | 4 | FORM 4 | ↗ |
| Jun 11, 2026 | 4 | FORM 4 | ↗ |
| Jun 11, 2026 | 4 | FORM 4 | ↗ |
| Jun 9, 2026 | S-8 | MARATHON BANCORP, INC. FORM S-8 REGISTRATION STATEMENT JUNE 8, 2026 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| Jun 5, 2026 | 4 | FORM 4 | ↗ |
| May 28, 2026 | 8-K | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
| May 19, 2026 | 4 | FORM 4 | ↗ |
| May 19, 2026 | 4 | FORM 4 | ↗ |
| May 19, 2026 | 4 | FORM 4 | ↗ |
| May 19, 2026 | 4 | FORM 4 | ↗ |
| May 13, 2026 | 10-Q | 10-Q | ↗ |
| May 6, 2026 | 4 | FORM 4 | ↗ |
| Apr 24, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Apr 24, 2026 | DEF 14A | DEF 14A | ↗ |
| Mar 20, 2026 | 4 | FORM 4 | ↗ |
| Mar 18, 2026 | 4 | FORM 4 | ↗ |