Marathon Bancorp (MBBC) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $14.50, -1.36% vs the prior close of $14.70.
- Volume 646 shares, 0.2x its 50-day average (light).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
MBBC dips 1.4% to $14.50, a 1-month low, 6 down days in a row. Closed at $14.50, -1.36% vs the prior close of $14.70. Day range $14.50–$14.52, opened at $14.52.
MBBC daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — MBBC dips 1.4% to $14.50, a 1-month low, 6 down days in a row
- Closed at $14.50, -1.36% vs the prior close of $14.70. Day range $14.50–$14.52, opened at $14.52.
- Volume was 646 shares, 0.2x its 50-day average of 3.12K — lighter than usual.
- Price is -3.7% vs its 50-day average ($15.05) and +1.6% vs its 200-day average ($14.27).
- 52-week range $10.52–$15.79; today's close sits at 76% of that range, 8.2% below the 52-week high.
- That makes 6 straight losses.
Oct 15, 2026 — MBBC dips 0.9% to $14.70, a 1-month low, 5 down days in a row
- Closed at $14.70, -0.91% vs the prior close of $14.84. Day range $14.70–$14.70, opened at $14.70.
- Volume was 4.30K shares, 1.4x its 50-day average of 3.04K.
- Price is -2.4% vs its 50-day average ($15.07) and +3.1% vs its 200-day average ($14.26).
- 52-week range $10.52–$15.79; today's close sits at 79% of that range, 6.9% below the 52-week high.
- That makes 5 straight losses.
Oct 14, 2026 — MBBC ends flat (+0.0%) to $14.84, 4 down days in a row
- Closed at $14.84, +0.00% vs the prior close of $14.84. Day range $14.84–$14.84, opened at $14.84.
- Price is -1.6% vs its 50-day average ($15.08) and +4.1% vs its 200-day average ($14.25).
- 52-week range $10.52–$15.79; today's close sits at 82% of that range, 6.0% below the 52-week high.
- That makes 4 straight losses.
Oct 13, 2026 — MBBC dips 1.2% to $14.84, 3 down days in a row
- Closed at $14.84, -1.23% vs the prior close of $15.02. Day range $14.66–$14.84, opened at $14.66.
- Volume was 3.10K shares, 1.0x its 50-day average of 3.01K.
- Price is -1.6% vs its 50-day average ($15.08) and +4.2% vs its 200-day average ($14.23).
- 52-week range $10.52–$15.79; today's close sits at 82% of that range, 6.0% below the 52-week high.
- That makes 3 straight losses.
- SEC filings that day: DEF 14A.
Oct 12, 2026 — MBBC dips 0.5% to $15.02
- Closed at $15.02, -0.50% vs the prior close of $15.10. Day range $14.90–$15.02, opened at $14.90.
- Volume was 1.40K shares, 0.5x its 50-day average of 2.98K — lighter than usual.
- Price is -0.4% vs its 50-day average ($15.09) and +5.6% vs its 200-day average ($14.22).
- 52-week range $10.50–$15.79; today's close sits at 85% of that range, 4.9% below the 52-week high.
Oct 9, 2026 — MBBC ends flat (-0.0%) to $15.10
- Closed at $15.10, -0.03% vs the prior close of $15.10. Day range $15.10–$15.10, opened at $15.10.
- Volume was 600 shares, 0.2x its 50-day average of 2.97K — lighter than usual.
- Price is +0.1% vs its 50-day average ($15.08) and +6.3% vs its 200-day average ($14.21).
- 52-week range $10.46–$15.79; today's close sits at 87% of that range, 4.4% below the 52-week high.
Oct 8, 2026 — MBBC ends flat (+0.0%) to $15.10
- Closed at $15.10, +0.03% vs the prior close of $15.10. Day range $15.10–$15.18, opened at $15.18.
- Volume was 1.60K shares, 0.5x its 50-day average of 2.93K — lighter than usual.
- Price is +0.1% vs its 50-day average ($15.08) and +6.4% vs its 200-day average ($14.19).
- 52-week range $10.45–$15.79; today's close sits at 87% of that range, 4.4% below the 52-week high.
Oct 7, 2026 — MBBC rises 1.3% to $15.10
- Closed at $15.10, +1.31% vs the prior close of $14.90. Day range $14.91–$15.16, opened at $14.91.
- Volume was 2.00K shares, 0.7x its 50-day average of 2.99K.
- Price is +0.1% vs its 50-day average ($15.08) and +6.5% vs its 200-day average ($14.18).
- 52-week range $10.40–$15.79; today's close sits at 87% of that range, 4.4% below the 52-week high.
Oct 6, 2026 — MBBC dips 1.2% to $14.90
- Closed at $14.90, -1.19% vs the prior close of $15.08. Day range $14.90–$14.91, opened at $14.90.
- Volume was 1.40K shares, 0.5x its 50-day average of 2.97K — lighter than usual.
- Price is -1.2% vs its 50-day average ($15.08) and +5.2% vs its 200-day average ($14.16).
- 52-week range $10.40–$15.79; today's close sits at 83% of that range, 5.6% below the 52-week high.
Oct 5, 2026 — MBBC rises 0.3% to $15.08 on 2.0x normal volume
- Closed at $15.08, +0.33% vs the prior close of $15.03. Day range $15.03–$15.26, opened at $15.15.
- Volume was 5.60K shares, 2.0x its 50-day average of 2.86K — unusually heavy trading.
- Price is +0.0% vs its 50-day average ($15.08) and +6.6% vs its 200-day average ($14.15).
- 52-week range $10.40–$15.79; today's close sits at 87% of that range, 4.5% below the 52-week high.
Oct 2, 2026 — MBBC rises 1.6% to $15.03
- Closed at $15.03, +1.59% vs the prior close of $14.80. Day range $14.94–$15.19, opened at $15.19.
- Volume was 2.60K shares, 0.9x its 50-day average of 2.82K.
- Price is -0.3% vs its 50-day average ($15.07) and +6.4% vs its 200-day average ($14.13).
- 52-week range $10.40–$15.79; today's close sits at 86% of that range, 4.8% below the 52-week high.
MBBC latest news & SEC filings
Every SEC filing by or about MBBC in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 13, 2026 · Form ARS — Annual report to shareholders
Annual report to shareholders
Oct 13, 2026 · Form DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Oct 1, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Sep 18, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Spatz Nora converted options/RSUs into 1,201 shares at $8.13 (≈$9.76K) on Sep 18, 2026; now holds 28,297
- Spatz Nora converted options/RSUs into 962 shares at $6.48 (≈$6.23K) on Sep 18, 2026; now holds 29,259
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 16, 2026 · Form 10-K — Annual report
Annual report (audited full-year financial statements and business review)
Fiscal year ended Jun 30, 2026:
- Net income: $1.79M (prior year $42.45K) (+4120.0% vs Jun 30, 2025)
- Diluted EPS: $0.66 (prior year $0.02) (+3200.0% vs Jun 30, 2025)
Jul 1, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jul 1, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jun 30, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 30, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 30, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 30, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 30, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Jun 29, 2026 · Form 11-K — Annual report for an employee stock plan
Annual report for an employee stock plan
Things to know before you trade MBBC
- How much it moves: over the last 20 sessions the average daily move was 0.70% (largest 1.6%). That is a relatively calm stock.
- Liquidity: about 2.49K shares (≈$36.07K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $14.50 vs a range of $10.52–$15.79 (76% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: 1372:1000 on Apr 22, 2025
- Insider trades (Form 4, last 12 months, recent 25 shown): 25 open-market buys, 0 sales; latest: Nicholas W Zillges bought 970 shares on Jun 16, 2026.
- Latest filings: 8-K Oct 1, 2026; 10-K Sep 16, 2026; 8-K May 28, 2026.
- Share count: 3.01M shares outstanding (Sep 15, 2026), +2.4% vs a year earlier.
- Listing: Nasdaq · industry: Savings Institutions, Not Federally Chartered.
MBBC market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 14.52 | 14.52 | 14.50 | 14.50 | 646 |
| Oct 15, 2026 | 14.70 | 14.70 | 14.70 | 14.70 | 4.30K |
| Oct 14, 2026 | 14.84 | 14.84 | 14.84 | 14.84 | 0 |
| Oct 13, 2026 | 14.66 | 14.84 | 14.66 | 14.84 | 3.10K |
| Oct 12, 2026 | 14.90 | 15.02 | 14.90 | 15.02 | 1.40K |
| Oct 9, 2026 | 15.10 | 15.10 | 15.10 | 15.10 | 600 |
| Oct 8, 2026 | 15.18 | 15.18 | 15.10 | 15.10 | 1.60K |
| Oct 7, 2026 | 14.91 | 15.16 | 14.91 | 15.10 | 2.00K |
| Oct 6, 2026 | 14.90 | 14.91 | 14.90 | 14.90 | 1.40K |
| Oct 5, 2026 | 15.15 | 15.26 | 15.03 | 15.08 | 5.60K |
| Oct 2, 2026 | 15.19 | 15.19 | 14.94 | 15.03 | 2.60K |
| Oct 1, 2026 | 14.60 | 14.80 | 14.60 | 14.80 | 900 |
| Sep 30, 2026 | 14.99 | 15.00 | 14.98 | 15.00 | 1.20K |
| Sep 29, 2026 | 15.15 | 15.15 | 14.97 | 15.00 | 6.10K |
| Sep 28, 2026 | 15.20 | 15.20 | 15.12 | 15.12 | 1.30K |
| Sep 25, 2026 | 15.28 | 15.28 | 15.10 | 15.28 | 4.20K |
| Sep 24, 2026 | 15.25 | 15.30 | 15.05 | 15.28 | 6.20K |
| Sep 23, 2026 | 15.34 | 15.34 | 15.15 | 15.15 | 2.10K |
| Sep 22, 2026 | 15.34 | 15.38 | 15.17 | 15.17 | 3.50K |
| Sep 21, 2026 | 15.09 | 15.29 | 15.09 | 15.29 | 1.00K |
About Marathon Bancorp
Marathon Bancorp (MBBC) is listed on the Nasdaq and classified by the SEC under “Savings Institutions, Not Federally Chartered”. Its business address is in WAUSAU, WI. Fiscal year ends June 30. SEC CIK 1835385.
MBBC board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Thomas L Grimm | Director | Jun 16, 2026 |
| Ann M Werth | Director | Jun 16, 2026 |
| Timothy R Wimmer | Director | Jun 16, 2026 |
| Amy Zientara | Chairwoman of the Board | Jun 16, 2026 |
| Nicholas W Zillges | President and CEO | Jun 30, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Terry Cornish | SVP and CCO | Jun 30, 2026 |
| Michelle Knopf | EVP and COO | Jun 30, 2026 |
| Joy Selting-Buchberger | SVP and CFO | Jun 30, 2026 |
| Nora Spatz | EVP and CAO | Sep 18, 2026 |
| Nicholas W Zillges | President and CEO | Jun 30, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 16, 2026 | Nicholas W Zillges | Buy | 970 | $15.00 |
| Jun 16, 2026 | Nicholas W Zillges | Buy | 970 | $15.00 |
| Jun 16, 2026 | Nicholas W Zillges | Buy | 970 | $15.00 |
| Jun 16, 2026 | Nicholas W Zillges | Buy | 970 | $15.00 |
| Jun 10, 2026 | Michelle Knopf | Buy | 164 | $14.75 |
| Jun 10, 2026 | Michelle Knopf | Buy | 164 | $14.75 |
| Jun 10, 2026 | Michelle Knopf | Buy | 164 | $14.75 |
| Jun 10, 2026 | Michelle Knopf | Buy | 164 | $14.75 |
| Jun 10, 2026 | Nicholas W Zillges | Buy | 170 | $14.75 |
| Jun 10, 2026 | Nicholas W Zillges | Buy | 170 | $14.75 |
| Jun 10, 2026 | Nicholas W Zillges | Buy | 170 | $14.75 |
| Jun 10, 2026 | Nicholas W Zillges | Buy | 170 | $14.75 |
| Jun 10, 2026 | Terry Cornish | Buy | 219 | $14.75 |
| Jun 10, 2026 | Terry Cornish | Buy | 219 | $14.75 |
| Jun 10, 2026 | Terry Cornish | Buy | 219 | $14.75 |
MBBC financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Jun 30, 2026 | — | $1.79M | 0.66 | $2.45M |
| Jun 30, 2025 | — | $42.45K | 0.02 | $1.45M |
| Jun 30, 2024 | — | $-186.99K | -0.07 | $416.55K |
| Jun 30, 2023 | — | $1.67M | 0.79 | $1.99M |
| Jun 30, 2022 | — | $1.33M | 0.62 | $825.53K |
Latest balance sheet: total assets $261.03M, total liabilities $213.07M, cash $— (as of Jun 30, 2026).
MBBC earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| No 8-K earnings releases in recent filings. | ||
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.