Skip to content
buyWeak cluster of 4

Terry Cornish bought $20k of MBBC

SVP and CCO at Marathon Bancorp, Inc. /MD/. 1,389 shares at an average of $14.35, traded Jun 3, 2026, filed Jun 11, 2026.

Conviction score
33
Value
$20k
1,389 shares
Holdings after
27,205
+5% from before
From 52-week low
+39%
low $9.90, close $13.75
From 52-week high
-11%
high $15.46, as of Jun 3, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $20k at market
    0
  • Relative to holdings
    Holdings up 5%
    +3
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    4 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MBBCOct 12, 2026 · close 15.02
Since filing Jun 11, 2026: +5.0%SPY +6.0% · excess -1.0%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001437749-26-020350, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 3, 2026POpen-market purchase
Common Stockindirect: By 401(k)
+263$13.75$3,61626,079Jun 11, 2026
Jun 4, 2026POpen-market purchase
Common Stockindirect: By 401(k)
+27$13.77$37226,106Jun 11, 2026
Jun 5, 2026POpen-market purchase
Common Stockindirect: By 401(k)
+116$14.25$1,65326,222Jun 11, 2026
Jun 8, 2026POpen-market purchase
Common Stockindirect: By 401(k)
+71$14.24$1,01126,293Jun 11, 2026
Jun 9, 2026POpen-market purchase
Common Stockindirect: By 401(k)
+693$14.50$10k26,986Jun 11, 2026
Jun 10, 2026POpen-market purchase
Common Stockindirect: By 401(k)
+219$14.75$3,23027,205Jun 11, 2026

Related signals

Other insiders at Marathon Bancorp, Inc. /MD/ and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
MBBCbuy 4
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$15k
970 shares
+2%
38Weak
MBBCbuy 4
Marathon Bancorp, Inc. /MD/
Michelle Knopf
EVP and COO
$15k
1,041 shares
+6%
40Moderate
MBBCbuy 4
Marathon Bancorp, Inc. /MD/
Nora Spatz
EVP and CAO
$55k
3,819 shares
+11%
45Moderate
MBBCbuy 4
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$15k
1,076 shares
+2%
30Weak
MBBCbuy
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$12k
1,075 shares
+3%
25Weak
MBBCbuy
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$15k
1,325 shares
+4%
30Weak
MBBCbuy
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$4,995
500 shares
+2%
25Weak
MBBCbuy
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$5,034
500 shares
+2%
29Weak
MBBCbuy
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$951
100 shares
+1%
51Moderate
MBBCbuy
Marathon Bancorp, Inc. /MD/
Nicholas W Zillges
President and CEO
$11k
1,540 shares
+8%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Terry Cornish bought $20k of MBBC | InsiderTell