Companies: 10,795·Total market cap: $144.5T
Marathon Bancorp, Inc.

Marathon Bancorp, Inc.

MBBCNASDAQFinancial Services● Active
$14.60
+$0.20(+1.39%)
Market Cap$43080892
P/E Ratio
52W High$15.75
52W Low$9.9
Overview

Marathon Bancorp, Inc. (MBBC) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0001835385 · MBBC · NASDAQ · as of Jun 9, 2026

Filing snapshot

206
Total Filings
S-8
Latest Form
2026-06-09
Most Recent
2021
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0001835385 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2025-09-26
Fiscal Year End
Sep 26, 2025
Accession No.
0001104659-25-093884
Primary Document
mara-20250630x10k.htm
Source: data.sec.gov · CIK 0001835385 · Accession 0001104659-25-093884

Latest Key Filings

10-QQuarterly Report
10-Q
2026-05-13
8-KCurrent Report
MARATHON BANCORP, INC. FORM 8-K MAY 28, 2026
2026-05-28Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
S-8Employee Stock Plan Registration
MARATHON BANCORP, INC. FORM S-8 REGISTRATION STATEMENT JUNE 8, 2026
2026-06-09
View
8-KCurrent Report
MARATHON BANCORP, INC. FORM 8-K MAY 28, 2026
2026-05-28
View
10-QQuarterly Report
10-Q
2026-05-13
View
8-KCurrent Report
MARATHON BANCORP, INC. FORM 8-K APRIL 24, 2026
2026-04-24
View
DEF 14AProxy Statement
DEF 14A
2026-04-24
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-02-17
View
10-QQuarterly Report
10-Q
2026-02-11
View
8-KCurrent Report
FORM 8-K
2025-11-18
View
10-QQuarterly Report
10-Q
2025-11-12
View
ARSARS
ARS
2025-10-15
View
DEF 14AProxy Statement
DEF 14A
2025-10-15
View
S-8Employee Stock Plan Registration
MARATHON BANCORP, INC. REGISTRATION STATEMENT FORM S-8 SEPTEMBER 30, 2025
2025-09-30
View
10-KAnnual Report
10-K
2025-09-26
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2025-09-02
View
11-K11-K
MARATHON BANCORP, INC. FORM 11-K DECEMBER 31, 2024
2025-06-23
View
Showing 1–15 of 105 filingsForm 4 / 144 hidden· 206 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0001835385  |  Exchange: NASDAQ · Financial Services

Marathon Bancorp, Inc. (NASDAQ: MBBC) has submitted 206 documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 2021. As a Financial Services sector company with CIK 0001835385, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Marathon Bancorp, Inc.'s most comprehensive regulatory disclosure. The most recent Marathon Bancorp, Inc. 10-K was filed on 2025-09-26 for fiscal year ending 2025. Historical MBBC 10-K annual reports are available from 2020 through 2025.

Investors researching Marathon Bancorp, Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09

Frequently Asked Questions

MBBC SEC Filings · 8 questions

Marathon Bancorp, Inc. (MBBC) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 206 filings and access original documents at no cost. Marathon Bancorp, Inc.'s CIK is 0001835385.

MBBC SEC filingsMarathon Bancorp, Inc. SEC documentsfind MBBC 10-K