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Marathon Bancorp, Inc. /MD/

MBBC Net buying
CIK 0001835385 #4749 in the set updated 19 Sep 2026
Bought (12 mo)
$146.45K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
+$146.45K
+$146.45K against sales at will

By person

9 insiders · 43 transactions
4.6×

Nicholas W. Zillges holds only 4.6 times base salary in stock. $1.61M of shares against $346.50K in salary for 2025.

Salary from the company's own proxy. The shares are what Nicholas W. Zillges last reported holding, valued at $15.00, the price Common Stock was last bought or sold at on the open market here, on 16 Jun 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Zillges Nicholas W
President and CEO
$56.79K (9)
+$56.79K
107,096
3.63%
$1.61M
+53.7%
Spatz Nora
EVP and CAO
$54.80K (6)
+$54.80K
114,527
3.88%
$1.72M
+33.1%
Cornish Terry
SVP and CCO
$19.93K (6)
+$19.93K
33,461
1.13%
$501.92K
+25.7%
Knopf Michelle
EVP and COO
$14.94K (6)
+$14.94K
27,896
0.9454%
$418.44K
+66.7%
Grimm Thomas L
Director
28,678
0.9719%
$430.17K
+115.7%
Zientara Amy
Director
27,110
0.9188%
$406.65K
+62.1%
Selting-Buchberger Joy
SVP and CFO
26,548
0.8997%
$398.22K
+17.0%
Wimmer Timothy R
Director
20,246
0.6861%
$303.69K
+105.3%
Werth Ann M
Director
8,501
0.2881%
$127.52K
+177.2%
Insider
Date
Role
Action
Shares
Price
Amount
Zillges Nicholas W
16 Jun 2026
President and CEO
Buy
970
$15.00
$14.55K
Spatz Nora
10 Jun 2026
EVP and CAO
Buy indirect
602
$14.75
$8.88K
Zillges Nicholas W
10 Jun 2026
President and CEO
Buy indirect
170
$14.75
$2.51K
Knopf Michelle
10 Jun 2026
EVP and COO
Buy indirect
164
$14.75
$2.42K
Cornish Terry
10 Jun 2026
SVP and CCO
Buy indirect
219
$14.75
$3.23K
Spatz Nora
9 Jun 2026
EVP and CAO
Buy indirect
1,904
$14.50
$27.61K
Zillges Nicholas W
9 Jun 2026
President and CEO
Buy indirect
537
$14.50
$7.79K
Knopf Michelle
9 Jun 2026
EVP and COO
Buy indirect
519
$14.50
$7.53K
Cornish Terry
9 Jun 2026
SVP and CCO
Buy indirect
693
$14.50
$10.05K
Spatz Nora
8 Jun 2026
EVP and CAO
Buy indirect
197
$14.24
$2.81K
Zillges Nicholas W
8 Jun 2026
President and CEO
Buy indirect
55
$14.24
$783.26
Knopf Michelle
8 Jun 2026
EVP and COO
Buy indirect
54
$14.24
$769.01
Cornish Terry
8 Jun 2026
SVP and CCO
Buy indirect
71
$14.24
$1.01K
Spatz Nora
5 Jun 2026
EVP and CAO
Buy indirect
320
$14.25
$4.56K
Zillges Nicholas W
5 Jun 2026
President and CEO
Buy indirect
90
$14.25
$1.28K
Knopf Michelle
5 Jun 2026
EVP and COO
Buy indirect
87
$14.25
$1.24K
Cornish Terry
5 Jun 2026
SVP and CCO
Buy indirect
116
$14.25
$1.65K
Spatz Nora
4 Jun 2026
EVP and CAO
Buy indirect
74
$13.77
$1.02K
Zillges Nicholas W
4 Jun 2026
President and CEO
Buy indirect
21
$13.77
$289.12
Knopf Michelle
4 Jun 2026
EVP and COO
Buy indirect
20
$13.77
$275.36
Cornish Terry
4 Jun 2026
SVP and CCO
Buy indirect
27
$13.77
$371.73
Spatz Nora
3 Jun 2026
EVP and CAO
Buy indirect
722
$13.75
$9.93K
Zillges Nicholas W
3 Jun 2026
President and CEO
Buy indirect
203
$13.75
$2.79K
Knopf Michelle
3 Jun 2026
EVP and COO
Buy indirect
197
$13.75
$2.71K
Cornish Terry
3 Jun 2026
SVP and CCO
Buy indirect
263
$13.75
$3.62K
Zillges Nicholas W
26 Nov 2025
President and CEO
Buy
1,075
$11.37
$12.22K
Zillges Nicholas W
13 Nov 2025
President and CEO
Buy
1,325
$11.00
$14.57K

What was left out

Form 4 filings counted 37
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 84,714
History held since 27 May 2021