MBBC
Marathon Bancorp, Inc. /MD/
$14.29
-0.07%
$42.2M
No data for this timeframe.
Vol
Market Cap$42.2M
Cap SizeNano Cap
Inst. Holders3 funds
Inst. Value$3.1M
Inst. Activity1 buys / 1 sells
Insider Activity24B / 0S
Insider Net $$105.1K
SEC Reports3
Exchange Nasdaq·Sector Savings Institutions, Not Federally Chartered·CIK 0001835385·Prev Close $14.30
Recent Activity
Jun 11, 2026
SEC
Two insiders at MBBC (President/CEO Zillges and EVP/CAO Spatz) have been aggressively buying shares, totaling ~$71K over
CLUSTER — Impact 5/10
Jun 10, 2026
Insider
Spatz Nora bought 602 shares
EVP and CAO @ $14.75 ($8.9K)
Jun 10, 2026
Insider
Zillges Nicholas W bought 170 shares
President and CEO @ $14.75 ($2.5K)
Jun 10, 2026
Insider
Knopf Michelle bought 164 shares
EVP and COO @ $14.75 ($2.4K)
May 28, 2026
SEC
Marathon Bancorp stockholders approved the 2026 Equity Incentive Plan at a special meeting on May 28, 2026, with 2,024,6
8-K — Impact 2/10
Apr 24, 2026
SEC
Marathon Bancorp, Inc. announced a stock repurchase program authorizing the buyback of up to 146,931 shares, or approxim
8-K — Impact 4/10
Inst.
VANGUARD GROUP INC — DOUBLED
93,032 shares ($1.1M)
Inst.
BANK OF AMERICA CORP — TRIM
15 shares ($182.00)
Latest Reports
BULLISH
CLUSTER
5/10
Two insiders at MBBC (President/CEO Zillges and EVP/CAO Spatz) have been aggressively buying shares, totaling ~$71K over
Jun 11, 2026
NEUTRAL
8-K
2/10
Marathon Bancorp stockholders approved the 2026 Equity Incentive Plan at a special meeting on May 28, 2026, with 2,024,6
May 28, 2026
Top Institutional Holders
| Fund | Value | Move |
|---|---|---|
| ALLIANCEBERNSTEIN L.P. | $1.9M | — |
| VANGUARD CAPITAL MANAGEMENT LLC | $1.0M | — |
| VANGUARD FIDUCIARY TRUST CO | $222.4K | — |
Recent Insider Trades
| Date | Insider | Type | Value |
|---|---|---|---|
| Jun 10, 2026 | Spatz Nora | BUY | $8.9K |
| Jun 10, 2026 | Zillges Nicholas | BUY | $2.5K |
| Jun 10, 2026 | Knopf Michelle | BUY | $2.4K |
| Jun 10, 2026 | Cornish Terry | BUY | $3.2K |
| Jun 9, 2026 | Spatz Nora | BUY | $27.6K |
3 institutional holders with $3.1M total value (246,270 shares) as of 2026-Q1. Top holders: ALLIANCEBERNSTEIN, VANGUARD, VANGUARD.
Top Institutional Holders — 2026-Q1
| # | Fund | Shares | Value | % of Tracked | Last Move |
|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | 153,238 | $1.9M | 59.7% | — |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 76,598 | $1.0M | 33.2% | — |
| 3 | VANGUARD FIDUCIARY TRUST CO | 16,434 | $222.4K | 7.1% | — |
Recent Position Changes
| Fund | Action | Prev Shares | Curr Shares | Change % | Value | Quarter |
|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | DOUBLED | 35,397 | 93,032 | +162.8% | $1.1M | 2025-Q4 |
| BANK OF AMERICA CORP /DE/ | TRIM | 20 | 15 | -25.0% | $182.00 | 2025-Q4 |
| UBS Group AG | ADD | 1,282 | 2,249 | +75.4% | $23.5K | 2025-Q3 |
| BANK OF AMERICA CORP /DE/ | ADD | 14 | 20 | +42.9% | $209.00 | 2025-Q3 |
9 unique insiders with 37 transactions. Net insider value: $105.1K ($105.1K bought, $0.00 sold).
Insider Transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 10, 2026 | Spatz Nora | EVP and CAO | BUY | 602 | $14.75 | $8.9K |
| Jun 10, 2026 | Zillges Nicholas W | President and CEO | BUY | 170 | $14.75 | $2.5K |
| Jun 10, 2026 | Knopf Michelle | EVP and COO | BUY | 164 | $14.75 | $2.4K |
| Jun 10, 2026 | Cornish Terry | SVP and CCO | BUY | 219 | $14.75 | $3.2K |
| Jun 9, 2026 | Spatz Nora | EVP and CAO | BUY | 1,904 | $14.50 | $27.6K |
| Jun 9, 2026 | Zillges Nicholas W | President and CEO | BUY | 537 | $14.50 | $7.8K |
| Jun 9, 2026 | Knopf Michelle | EVP and COO | BUY | 519 | $14.50 | $7.5K |
| Jun 9, 2026 | Cornish Terry | SVP and CCO | BUY | 693 | $14.50 | $10.0K |
| Jun 8, 2026 | Spatz Nora | EVP and CAO | BUY | 197 | $14.24 | $2.8K |
| Jun 8, 2026 | Zillges Nicholas W | President and CEO | BUY | 55 | $14.24 | $783.25 |
| Jun 8, 2026 | Knopf Michelle | EVP and COO | BUY | 54 | $14.24 | $769.01 |
| Jun 8, 2026 | Cornish Terry | SVP and CCO | BUY | 71 | $14.24 | $1.0K |
| Jun 5, 2026 | Cornish Terry | SVP and CCO | BUY | 116 | $14.25 | $1.7K |
| Jun 5, 2026 | Knopf Michelle | EVP and COO | BUY | 87 | $14.25 | $1.2K |
| Jun 5, 2026 | Zillges Nicholas W | President and CEO | BUY | 90 | $14.25 | $1.3K |
| Jun 5, 2026 | Spatz Nora | EVP and CAO | BUY | 320 | $14.25 | $4.6K |
| Jun 4, 2026 | Cornish Terry | SVP and CCO | BUY | 27 | $13.77 | $371.73 |
| Jun 4, 2026 | Knopf Michelle | EVP and COO | BUY | 20 | $13.77 | $275.36 |
| Jun 4, 2026 | Spatz Nora | EVP and CAO | BUY | 74 | $13.77 | $1.0K |
| Jun 4, 2026 | Zillges Nicholas W | President and CEO | BUY | 21 | $13.77 | $289.12 |
| Jun 3, 2026 | Cornish Terry | SVP and CCO | BUY | 263 | $13.75 | $3.6K |
| Jun 3, 2026 | Knopf Michelle | EVP and COO | BUY | 197 | $13.75 | $2.7K |
| Jun 3, 2026 | Wimmer Timothy R | Director | EXERCISE | 3,599 | $8.13 | $29.3K |
| Jun 3, 2026 | Grimm Thomas L | Director | EXERCISE | 300 | $6.48 | $1.9K |
| Jun 3, 2026 | Zillges Nicholas W | President and CEO | EXERCISE | 1,500 | $6.48 | $9.7K |
| Jun 3, 2026 | Spatz Nora | EVP and CAO | EXERCISE | 1,200 | $8.13 | $9.8K |
| Jun 3, 2026 | Zientara Amy | Director | EXERCISE | 3,599 | $8.13 | $29.3K |
| Jun 3, 2026 | Spatz Nora | EVP and CAO | BUY | 722 | $13.75 | $9.9K |
| Jun 3, 2026 | Zillges Nicholas W | President and CEO | BUY | 203 | $13.75 | $2.8K |
| May 16, 2026 | Knopf Michelle | EVP and COO | TAX W/H | 86 | $14.50 | $1.2K |
| May 16, 2026 | Spatz Nora | EVP and CAO | TAX W/H | 30 | $14.50 | $435.00 |
| May 16, 2026 | Selting-Buchberger Joy | SVP and CFO | TAX W/H | 56 | $14.50 | $812.00 |
| May 16, 2026 | Cornish Terry | SVP and CCO | TAX W/H | 41 | $14.50 | $594.50 |
| May 5, 2026 | Werth Ann M | Director | EXERCISE | 899 | $8.13 | $7.3K |
| Mar 20, 2026 | Grimm Thomas L | Director | EXERCISE | 3,599 | $8.13 | $29.3K |
| Mar 18, 2026 | Spatz Nora | EVP and CAO | EXERCISE | 2,399 | $8.13 | $19.5K |
| Feb 23, 2026 | Zillges Nicholas W | President and CEO | EXERCISE | 2,998 | $6.48 | $19.4K |
3 SEC filing reports analyzed. Sentiment: 1 bullish, 0 bearish, 0 mixed, 2 neutral. Avg impact: 3.7/10.
BULLISH
CLUSTER
5/10
Two insiders at MBBC (President/CEO Zillges and EVP/CAO Spatz) have been aggressively buying shares,
Jun 11, 2026
NEUTRAL
8-K
2/10
Marathon Bancorp stockholders approved the 2026 Equity Incentive Plan at a special meeting on May 28
May 28, 2026
NEUTRAL
8-K
4/10
Marathon Bancorp, Inc. announced a stock repurchase program authorizing the buyback of up to 146,931
Apr 24, 2026
No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.
Earnings Estimates & Revisions
| Period | EPS Avg | EPS Low | EPS High | EPS Growth | 30d Rev. | Up/Down | Rev. Avg | Rev. Growth | Analysts |
|---|---|---|---|---|---|---|---|---|---|
| Current Q | $0.00 | $0.00 | $0.00 | — | — | — | $0.0B | — | — |
| Next Q | $0.00 | $0.00 | $0.00 | — | — | — | $0.0B | — | — |
| Current FY | $0.00 | $0.00 | $0.00 | — | — | — | $0.0B | — | — |
| Next FY | $0.00 | $0.00 | $0.00 | — | — | — | $0.0B | — | — |
No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.
No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.
No events recorded for this ticker. Events include FDA actions, clinical trials, enforcement actions, and market-moving developments.