| Due Diligence for Asset Managers |
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Analyze the public filings of asset managers Dive into the EDGAR, IAPD, CAFR source data |
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| Keyboard |
| Marathon Bancorp Inc /MD/ | |
|---|---|
| Ticker | MBBC |
| CIK # | 0001835385 |
| CUSIP | 565759206 |
| Sector | Finance - Savings Institutions, Not Federally Chartered |
| Address | 500 Scott Street, Wausau, WI 54403 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001835385] | 10-K | |
| [0001835385] | 10-Q | |
| [0001835385] | 3 | |
| [0001835385] | 4 | |
| [0001835385] | 8-K | |
| [0001835385] | SC 13D | |
| [0001835385] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Marathon Bank 401 K Plan Trust | Marathon Bancorp Inc /MD/ | [2026-07-01] | 0.0 |
| AllianceBernstein LP | Marathon Bancorp Inc /MD/ | [2026-02-17] | 0.0 |
| Marathon MHC | Marathon Bancorp Inc /MD/ | [2021-04-15] | 55.0 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
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Grimm Thomas L
Stock Options · derivative
|
2026-03-20 | Option exercise | $0.00 | ||
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Grimm Thomas L
Common Stock
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2026-03-20 | Option exercise | 3,599 | $8.13 | 29,260 |
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Grimm Thomas L
Stock Options · derivative
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2026-03-20 | Option exercise | $0.00 | ||
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Grimm Thomas L
Common Stock
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2026-03-20 | Option exercise | 599 | $6.48 | 3,882 |
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Spatz Nora
Common Stock
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2026-03-18 | Option exercise | 2,399 | $8.13 | 19,504 |
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Spatz Nora
Stock Options · derivative
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2026-03-18 | Option exercise | 1,921 | $0.00 | |
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Spatz Nora
Stock Options · derivative
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2026-03-18 | Option exercise | 2,399 | $0.00 | |
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Spatz Nora
Common Stock
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2026-03-18 | Option exercise | 1,921 | $6.48 | 12,448 |
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Zillges Nicholas W
Stock Options · derivative
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2026-02-23 | Option exercise | 2,998 | $0.00 | |
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Zillges Nicholas W
Common Stock
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2026-02-23 | Option exercise | 2,998 | $6.48 | 19,427 |
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Knopf Michelle
Common Stock
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2025-12-02 | Discretionary | 20 | $11.30 | 226 |
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Knopf Michelle
Common Stock
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2025-12-02 | Discretionary | 536 | $11.11 | 5,955 |
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Zillges Nicholas W
Common Stock
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2025-12-02 | Discretionary | 24 | $11.30 | 271 |
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Spatz Nora
Common Stock
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2025-12-02 | Discretionary | 45 | $11.30 | 509 |
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Spatz Nora
Common Stock
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2025-12-02 | Discretionary | 1,220 | $11.11 | 13,554 |
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Zillges Nicholas W
Common Stock
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2025-12-02 | Discretionary | 634 | $11.11 | 7,044 |
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Spatz Nora
Common Stock
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2025-12-01 | Discretionary | 3,166 | $11.27 | 35,681 |
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Knopf Michelle
Common Stock
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2025-12-01 | Discretionary | 1,393 | $11.27 | 15,699 |
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Zillges Nicholas W
Common Stock
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2025-12-01 | Discretionary | 1,646 | $11.27 | 18,550 |
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Zillges Nicholas W
Common Stock
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2025-11-26 | Buy | 1,075 | $11.37 | 12,223 |
| showing 20 of 138 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 9 | 612,556 |
| 2025-12-31 | 9 | 612,726 |
| 2025-09-30 | 10 | 515,809 |
| 2025-06-30 | 12 | 490,854 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares | Prev | Page 1 | Next |