OLYMPUSby New Odyssey
Menu
SEC registrant · CIK 0001835385

Marathon Bancorp, Inc. /MD/ (MBBC)

Marathon Bancorp, Inc. /MD/ (CIK 0001835385, ticker MBBC, EIN 86-2191258) reported net income of $1.79 million ($1,791,171) for FY2026 (2025-07-01 to 2026-06-30) and total assets of $261.03 million ($261,030,240) for FY2026 (as of 2026-06-30), as filed in its 10-K filed 2026-09-16 (accession 0001104659-26-108076).

Figures are as filed with the SEC in XBRL, in whole US dollars unless stated, for the company's own fiscal years (fiscal year ends June 30).

Data as of Oct 21, 2026 (Olympus publication) · Markdown version

  • Values are as filed by the company in its 10-K and 10-Q XBRL data. When a later filing restates a value, the latest filed value is shown and the first reported value is noted.

Identifiers

As published in the company's EDGAR submissions record.

IdentifierValue
CIK0001835385
TickersMBBC (Nasdaq)
EIN86-2191258
SIC industry code6036 Savings Institutions, Not Federally Chartered
Fiscal year endJune 30
Filer categoryNon-accelerated filer<br>Smaller reporting company
Entity typeoperating
Olympus entity IDorg_6b0m1hyct32ehvdzgd5033mtea
  • The EIN is the one the filer gave to EDGAR. The SEC does not verify it; Olympus checks only that it has nine digits and a prefix the IRS assigns.

Latest annual financial metrics

The latest annual value of each standardised metric, with the filing it was taken from.

MetricValueFiscal periodPeriodFormFiledAccession numberXBRL concept
Net income$1,791,171FY20262025-07-01 to 2026-06-3010-K2026-09-160001104659-26-108076NetIncomeLoss
Total assets$261,030,240FY2026as of 2026-06-3010-K2026-09-160001104659-26-108076Assets
Total liabilities$213,073,043FY2026as of 2026-06-3010-K2026-09-160001104659-26-108076Liabilities
Stockholders' equity$47,957,197FY2026as of 2026-06-3010-K2026-09-160001104659-26-108076StockholdersEquity
Operating cash flow$2,452,338FY20262025-07-01 to 2026-06-3010-K2026-09-160001104659-26-108076NetCashProvidedByUsedInOperatingActivities
Diluted earnings per share$0.66 per shareFY20262025-07-01 to 2026-06-3010-K2026-09-160001104659-26-108076EarningsPerShareDiluted
Shares outstanding3,009,903 sharesFY2026as of 2026-09-1510-K2026-09-160001104659-26-108076EntityCommonStockSharesOutstanding
  • Accession numbers link to the filing's index on SEC EDGAR.

Revenue and net income history

Every annual revenue and net income value served for fiscal years 2017-2026, newest first, each with its filing.

MetricFiscal periodPeriodValueFormFiledAccession number
Net incomeFY20262025-07-01 to 2026-06-30$1,791,17110-K2026-09-160001104659-26-108076
Net incomeFY20252024-07-01 to 2025-06-30$42,44510-K2026-09-160001104659-26-108076
Net incomeFY20242023-07-01 to 2024-06-30-$186,99410-K2025-09-260001104659-25-093884
Net incomeFY20232022-07-01 to 2023-06-30$1,672,07010-K2024-09-260001558370-24-013026
Net incomeFY20222021-07-01 to 2022-06-30$1,334,76310-K2023-09-200001558370-23-015909
Net incomeFY20212020-07-01 to 2021-06-30$1,373,05910-K2022-09-280001558370-22-014665

Recent 10-K and 10-Q filings

The 12 most recent 10-K, 10-Q and amendment filings in EDGAR, newest first.

FormFiledPeriod of reportAccession numberDocument
10-K2026-09-162026-06-300001104659-26-108076mara-20260630x10k.htm
10-Q2026-05-132026-03-310001104659-26-059789mara-20260331x10q.htm
10-Q2026-02-112025-12-310001104659-26-013033mara-20251231x10q.htm
10-Q2025-11-122025-09-300001104659-25-109769mara-20250930x10q.htm
10-K2025-09-262025-06-300001104659-25-093884mara-20250630x10k.htm
10-Q2025-05-142025-03-310001558370-25-007658mara-20250331x10q.htm
10-Q2025-02-132024-12-310001558370-25-000901mara-20241231x10q.htm
10-Q2024-11-132024-09-300001558370-24-015434mara-20240930x10q.htm
10-K2024-09-262024-06-300001558370-24-013026mara-20240630x10k.htm
10-Q2024-05-132024-03-310001558370-24-007973mara-20240331x10q.htm
10-Q2024-02-142023-12-310001558370-24-001113mara-20231231x10q.htm
10-Q2023-11-142023-09-300001558370-23-019040mara-20230930x10q.htm

Identifier registry

The company's identifiers in the Olympus identifier registry, each with how it was linked and its source.

SchemeValueHow linkedSourcePublished
SEC Central Index Key (CIK) · OLY-US-SEC-CIK0001835385published by the sourcedata.sec.gov/submissions/CIK0001835385.json2026-10-21
Employer Identification Number (EIN) · US-EIN86-2191258published by the sourcedata.sec.gov/submissions/CIK0001835385.json2026-10-21

Sources

  • EDGAR submissions (nightly bulk archive) (company profile and filings) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:f7d2a4f18cb91aae, source date 2026-10-20. https://data.sec.gov/submissions/CIK0001835385.json
  • EDGAR XBRL company facts (nightly bulk archive) (financial metrics) — U.S. Securities and Exchange Commission. EDGAR snapshot sha256:01e4045aa34d7224, source date 2026-10-20. https://data.sec.gov/api/xbrl/companyfacts/CIK0001835385.json
  • Published by Olympus on Oct 21, 2026.
  • Source data: U.S. Securities and Exchange Commission (EDGAR). Values are as filed by the registrant; Olympus does not audit or adjust them.
  • Olympus is not affiliated with or endorsed by the U.S. Securities and Exchange Commission.

Get this data from the API

The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.

curl
curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001835385" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001835385/financials" -H "X-API-Key: $OLYMPUS_API_KEY"

curl -s "https://api.olympus.new-odyssey.com/v1/sec/companies/0001835385/filings?limit=12" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_sec_company_financials {"cik":"1835385"}

On SEC EDGAR

About this data