Loading
Marathon Bancorp, Inc. Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest was filed 11 Jun 2026.
Marathon Bancorp, Inc.: what insiders have been doing
Marathon Bancorp, Inc. belongs to the Finance & Banking sector. Filings by its managers are published through SEC (Form 4). Over the twelve months to 18 October 2026, 22 filings were filed, from 6 insiders.
No insider sold shares on the market over the period. Instead, the filings list 8 purchases totalling €28k, made by 2 insiders. The totals exclude 3 filings filed without an amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Those buying include 1 senior executive and 1 chief executive. Biggest ticket of the year: €13k, bought by Zillges Nicholas W and made public on 14 November 2025.
The last purchase on record was published on 11 June 2026, which is 129 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. US insiders must file a Form 4 within two business days of a trade.
With 22 filings in twelve months, the company is more active than the median of 19 filings across the 5,811 companies we follow on the same exchange. Over the whole record (from 2021), the tally stands at 16 purchases and no sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 30 June 2026), the company reported net income of 1.8 m USD.
For comparison within the same sector, see the insider buying recorded at First Guaranty Bancshares, Inc. and BCB Bancorp Inc. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Insider Decl.
100
Thresholds
n/a
Buy Volume
€86,676
16 ops. · all time
Sell Volume
n/a
n/a
Who traded when
BuySaleTerry Cornish6 buys
Nicholas W. Zillges4 buys
Since the insiders bought
- +2.9%Entry US$14.29 · Close 15 Oct 2026 US$14.70
- +31.7%Entry US$11.16 · Close 15 Oct 2026 US$14.70
- -4.8%Entry US$6.59 · Close at T+365 US$6.28
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 6,979 of 24,148 companies
62.1
score / 100
Value61
Quality63
FCF yld4.6%
Earn yld4.1%
EV/EBITDA·
ROE3.8%
Gross mgn·
Net mgn20%
Debt/EBITDA·
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2026FY ended June 2026 · cache
US$14.84
Analyst consensus
Income statement
RevenueUS$9M
Net incomeUS$1.8M19.9% margin
Valuation
PER (trailing)22.5x
P/Book0.9x
Beta0.33
Balance sheet & cash
Market capUS$44.7M
Total debtUS$20M
Free Cash FlowUS$2M
Profitability & ownership
ROE3.8%
ROA0.7%
% insiders18.8%
% institutions21.1%
Last declaration on 18 September 2026
Declarations100 total
962 shares@ US$6.480.014% mcap3.0% of flowCommon StockSEC:0001437749-26-030752:1
1,201 shares@ US$8.130.021% mcap4.6% of flowCommon StockSEC:0001437749-26-030752:0
1,269 sharesCommon StockSEC:0001437749-26-022173:0
522 sharesCommon StockSEC:0001437749-26-022169:0
503 sharesCommon StockSEC:0001437749-26-022171:0
247 sharesCommon StockSEC:0001437749-26-022178:0
225 sharesCommon StockSEC:0001437749-26-022176:0
3,500 sharesCommon StockSEC:0001437749-26-020818:0
219 sharesCommon StockSEC:0001437749-26-020350:5
Canonical exit: 8 Sept 2026 (T+90)
263 shares@ US$13.7480.0075% mcap3.2% of flowCommon StockSEC:0001437749-26-020350:0
Canonical exit: 1 Sept 2026 (T+90)
27 shares@ US$13.76780.0008% mcap0.3% of flowCommon StockSEC:0001437749-26-020350:1
Canonical exit: 2 Sept 2026 (T+90)
116 shares@ US$14.24810.0034% mcap1.5% of flowCommon StockSEC:0001437749-26-020350:2
Canonical exit: 3 Sept 2026 (T+90)
71 sharesCommon StockSEC:0001437749-26-020350:3
Canonical exit: 6 Sept 2026 (T+90)
693 sharesCommon StockSEC:0001437749-26-020350:4
Canonical exit: 7 Sept 2026 (T+90)
3,599 shares@ US$8.1328.0% of flowCommon StockSEC:0001437749-26-009249:0
2,399 shares@ US$8.139.2% of flowCommon StockSEC:0001437749-26-008886:0
2,998 shares@ US$6.485.8% of flowCommon StockSEC:0001437749-26-005338:0
1,393 shares@ US$11.266813.8% of flowCommon StockSEC:0001437749-25-036788:0
3,166 shares@ US$11.266816.7% of flowCommon StockSEC:0001437749-25-036787:0
1,646 shares@ US$11.26685.7% of flowCommon StockSEC:0001437749-25-036786:0
1,075 shares@ US$11.373.7% of flowCommon StockSEC:0001104659-25-116835:0
Canonical exit: 24 Feb 2026 (T+90)
1,325 shares@ US$10.99994.4% of flowCommon StockSEC:0001437749-25-035072:0
Canonical exit: 11 Feb 2026 (T+90)
1,169 shares@ US$9.993.5% of flowCommon StockSEC:0001437749-25-021893:0
517 shares@ US$9.995.9% of flowCommon StockSEC:0001437749-25-021647:0
225 shares@ US$9.992.0% of flowCommon StockSEC:0001437749-25-021646:0
25 of 100 declarations
About Marathon Bancorp, Inc.
Marathon Bancorp, Inc. is a U.S. bank holding company listed on the NASDAQ in the United States. The company operates primarily through Marathon Bank, positioning itself as a local and regional banking franchise rather than a large national institution. According to its SEC annual report, Marathon Bancorp was formed in December 2020 to serve as the mid-tier holding company in connection with Marathon Bank’s mutual holding company reorganization and stock offering. The company’s operating headquarters is in Wausau, Wisconsin, placing it squarely in the U.S. community and regional banking landscape. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1835385/000110465925093884/mara-20250630x10k.htm?utm_source=openai))
From a business-model perspective, Marathon Bancorp is a conventional deposit-taking and lending institution with a diversified loan book oriented toward local markets. Public sources indicate that its core lending activities include commercial real estate, commercial and industrial loans, construction loans, 1–4 family residential mortgages, multifamily lending, and consumer loans. In addition to traditional banking products, the group also offers mortgage banking and wealth management services, which broaden customer relationships and create a modest fee-based revenue stream. This combination is common among smaller U.S. banks that aim to deepen ties with households and small-to-mid-sized businesses in their core markets. ([thax.io](https://thax.io/company/MBBC?utm_source=openai))
Read moreShow less
Competitive positioning is best understood through the lens of a community-bank model. Marathon Bancorp competes on relationship banking, local underwriting knowledge, and customer service, rather than on national scale or product breadth. Its franchise appears concentrated in the Midwest, with Wisconsin as the operational center and recent references to branch expansion in Brookfield, Wisconsin. For investors, that means the company’s performance is likely driven by credit quality, deposit pricing, net interest margin, and disciplined expense control, all of which matter more than headline growth for a microcap or small-cap bank. ([thax.io](https://thax.io/company/MBBC?utm_source=openai))
A key recent development was the conversion of Marathon MHC into a stock holding company structure, an important milestone that changed the company’s capital and ownership profile. Recent filings and company-related disclosures also point to ongoing cost-management initiatives, including a new software contract expected to generate annual savings, alongside branch-related expansion efforts. In the context of SEC Form 4 insider transactions, this makes Marathon Bancorp a name that investors may monitor closely for management confidence signals, even though any specific transaction should always be interpreted in light of the broader banking and capital-markets backdrop. ([stockanalysis.com](https://stockanalysis.com/stocks/mbbc/?utm_source=openai))
Recent ranked signals in the same sector
Purchases our model currently ranks for the recommendations list.
All recommendations
