SecBot SecBot

MBBC

Marathon Bancorp, Inc.
Nasdaq· Savings Institutions, Not Federally Chartered· CIK 0001835385 Traditional Finance
$14.67 +0.00 (+0.00%)
Oct 26 4:00 PM ET · prev $14.67
Market cap
$43.6M
Nano cap
1 year
+36.8%
from $10.72 · Oct 27
30 days
−3.0%
from $15.12
52-week range
$10.53–15.49
−5% from high · low Nov 10
Avg volume 20D
1.8K
Sep 29 spike 6.1K
Short interest
🔒 Subscribers only
Insider net
+$106.9K
4 buyers · 0 sellers · since Jun 3
New fund stakes
0
Q2 2026 13F · 0 exits
Filing reports
7
analyzed by SecBot
SecBot read MIXED 2 reports · 90 days
Balance 0 bearish · 0 bullish · 2 neutral oldest → newest, height = score
Avg score ·High conf. 2/2
Strongest NEUTRAL Marathon Bancorp filed its definitive proxy statement for the 2026 annual meeting. The filing is routine: it…
All reports →

Price

Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.

  • B Jun 3 to Jun 16 7 days of insider buys: $106.9K by 4 insiders, avg $14.51

Signal stack

Where each data set points today.

  • InsidersBULLISH

    4 insiders bought $106.9K at an average $14.51. No open-market sales.

  • InstitutionsMIXED

    Q2 2026: 0 added (0 new), 1 trimmed or exited.

  • TrendDOWNTREND

    2% below its 50-day average.

Who's buying

13F· Q2 2026
0
new positions
0
exits
FundMoveSharesValue
VANGUARD FIDUCIARY TRUST COTRIM11,514$175.9K
VANGUARD GROUP INCDOUBLED93,032$1.1M
BANK OF AMERICA CORP /DE/TRIM15$182.00
UBS Group AGADD2,249$23.5K
BANK OF AMERICA CORP /DE/ADD20$209.00

Quarterly 13F filings are due 45 days after each quarter ends.

Insider ledger

Form 4
$106.9K
bought · 4 insiders
$0
sold · 0 insiders
+1.1%
vs their $14.51 cost
DateInsiderTypeValue
Sep 18, 2026
Spatz Nora
EVP and CAO
EXERCISE$9.8K
Sep 18, 2026
Spatz Nora
EVP and CAO
EXERCISE$6.2K
Jun 28, 2026
Selting-Buchberger Joy
SVP and CFO
TAX W/H$8.1K
Jun 28, 2026
Spatz Nora
EVP and CAO
TAX W/H$7.8K
Jun 28, 2026
Knopf Michelle
EVP and COO
TAX W/H$3.5K
Jun 28, 2026
Cornish Terry
SVP and CCO
TAX W/H$3.8K
Jun 28, 2026
Zillges Nicholas W
President and CEO
TAX W/H$19.7K
Jun 16, 2026
Zillges Nicholas W
President and CEO
BUY$14.6K

Earnings setup

Estimates
PeriodEPS est.Range30D rev.Revenue
Current Q———$0.00
Next Q———$0.00
Current FY———$0.00
Next FY———$0.00

Short side

FINRA· Oct 15, 2026
🔒 Subscribers only
shares short
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Oct 13, 2026 SEC
Marathon Bancorp filed its definitive proxy statement for the 2026 annual meeting. The filing is routine: it proposes…
DEF 14A — Impact 3/10
Oct 1, 2026 SEC
CFO Joy C. Selting-Buchberger announced her retirement effective July 2, 2027, providing over nine months' notice. The…
8-K — Impact 2/10
Sep 18, 2026 Insider
Spatz Nora acquired via exercise 1,201 shares
EVP and CAO @ $8.13 ($9.8K)
Sep 18, 2026 Insider
Spatz Nora acquired via exercise 962 shares
EVP and CAO @ $6.48 ($6.2K)
Jun 30, 2026 Inst.
VANGUARD FIDUCIARY TRUST CO — TRIM
11,514 shares ($175.9K)
Jun 28, 2026 Insider
Selting-Buchberger Joy surrendered for taxes 522 shares
SVP and CFO @ $15.49 ($8.1K)
Jun 11, 2026 SEC
Four MBBC executives, including the CEO, made small open-market purchases totaling ~$17K on June 10, 2026…
CLUSTER — Impact 2/10
Dec 31, 2025 Inst.
VANGUARD GROUP INC — DOUBLED
93,032 shares ($1.1M)

SecBot reports

7 filings · 1 bullish · 0 bearish · 6 neutral
All MBBC filing & press-release reports (7)