United States Banking Services

Marathon Bancorp Inc (MBBC)

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Marathon Bancorp Inc experienced multiple insider buying activities during June 2026. Key executives, including the CEO, COO, and CAO, acquired shares between June 9 and June 16. These transactions represent the most recent recorded activity for the firm, occurring over three months ago, indicating a period of inactivity since that timeframe.
Ticker: MBBC Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Marathon Bancorp Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
283.79
Quantity 33,527 +3.3%
Value US$2,715,960
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
150.90
Quantity 67,800 -28.5%
Value US$755,724
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
323.76
Quantity 75,299 +27.7%
Value US$1,228,630
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.75
Quantity 164 +0.9%
Value US$2,419
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.75
Quantity 170 +0.3%
Value US$2,508
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.75
Quantity 219 +0.8%
Value US$3,230
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.75
Quantity 602 +1.5%
Value US$8,880
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.75
Quantity 164 +0.9%
Value US$2,419
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.75
Quantity 170 +0.3%
Value US$2,508
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.75
Quantity 219 +0.8%
Value US$3,230
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.50
Quantity 1,904 +5.1%
Value US$27,608
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.50
Quantity 1,904 +5.1%
Value US$27,608
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.50
Quantity 519 +2.8%
Value US$7,526
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.50
Quantity 537 +1.1%
Value US$7,786
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.50
Quantity 693 +2.6%
Value US$10,048
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.50
Quantity 1,904 +5.1%
Value US$27,608
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.50
Quantity 519 +2.8%
Value US$7,526
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.50
Quantity 537 +1.1%
Value US$7,786
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.50
Quantity 693 +2.6%
Value US$10,048
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.24
Quantity 197 +0.5%
Value US$2,805
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.24
Quantity 197 +0.5%
Value US$2,805
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.24
Quantity 54 +0.3%
Value US$769
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.24
Quantity 55 +0.1%
Value US$783
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.24
Quantity 71 +0.3%
Value US$1,011
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.24
Quantity 197 +0.5%
Value US$2,805
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.24
Quantity 54 +0.3%
Value US$769
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.24
Quantity 55 +0.1%
Value US$783
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.24
Quantity 71 +0.3%
Value US$1,011
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.25
Quantity 320 +0.9%
Value US$4,559
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.25
Quantity 320 +0.9%
Value US$4,559
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.25
Quantity 87 +0.5%
Value US$1,240
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.25
Quantity 90 +0.2%
Value US$1,282
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.25
Quantity 116 +0.4%
Value US$1,653
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
14.25
Quantity 320 +0.9%
Value US$4,559
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
14.25
Quantity 87 +0.5%
Value US$1,240
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
14.25
Quantity 90 +0.2%
Value US$1,282
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
14.25
Quantity 116 +0.4%
Value US$1,653
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
13.77
Quantity 74 +0.2%
Value US$1,019
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
13.77
Quantity 74 +0.2%
Value US$1,019
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
13.77
Quantity 20 +0.1%
Value US$275
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
13.77
Quantity 21 +0.0%
Value US$289
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
13.77
Quantity 27 +0.1%
Value US$372
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
13.77
Quantity 74 +0.2%
Value US$1,019
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
13.77
Quantity 20 +0.1%
Value US$275
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
13.77
Quantity 21 +0.0%
Value US$289
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
13.77
Quantity 27 +0.1%
Value US$372
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
13.75
Quantity 722 +2.0%
Value US$9,926
3.2
Knopf Michelle EVP and COO Officer
Transaction date
Purchase
Price
13.75
Quantity 197 +1.1%
Value US$2,708
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
13.75
Quantity 203 +0.4%
Value US$2,791
3.2
Cornish Terry SVP and CCO Officer
Transaction date
Purchase
Price
13.75
Quantity 263 +1.0%
Value US$3,616
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
11.37
Quantity 1,075 +3.2%
Value US$12,223
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
11.00
Quantity 1,325 +4.1%
Value US$14,575
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
9.99
Quantity 500 +1.5%
Value US$4,995
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
10.07
Quantity 500 +1.5%
Value US$5,034
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
9.51
Quantity 100 +0.5%
Value US$951
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
7.20
Quantity 140 +50.0%
Value US$1,008
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
7.20
Quantity 300 +inf%
Value US$2,159
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
7.39
Quantity 1,100 +5.9%
Value US$8,127
3.3
Spatz Nora EVP and CAO Officer
Transaction date
Purchase
Price
9.50
Quantity 800 +inf%
Value US$7,600
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
9.50
Quantity 1,000 +5.4%
Value US$9,500
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
10.80
Quantity 525 +7.5%
Value US$5,670
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
10.70
Quantity 500 +7.7%
Value US$5,350
3.9
Zillges Nicholas W President and CEO Executive Director
Transaction date
Purchase
Price
10.45
Quantity 2,400 +58.5%
Value US$25,080
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-17 2026-06-16 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
33,527 +3.3%
283.79
US$2,715,960 		33,527 +3.3% 283.79 US$2,715,960
2026-06-11 2026-06-10 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
67,800 -28.5%
150.90
US$755,724 		67,800 -28.5% 150.90 US$755,724
2026-06-11 2026-06-10 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
75,299 +27.7%
323.76
US$1,228,630 		75,299 +27.7% 323.76 US$1,228,630
2026-06-11 2026-06-10 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
164 +0.9%
14.75
US$2,419 		164 +0.9% 14.75 US$2,419
2026-06-11 2026-06-10 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
170 +0.3%
14.75
US$2,508 		170 +0.3% 14.75 US$2,508
2026-06-11 2026-06-10 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
219 +0.8%
14.75
US$3,230 		219 +0.8% 14.75 US$3,230
2026-06-11 2026-06-10 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
602 +1.5%
14.75
US$8,880 		602 +1.5% 14.75 US$8,880
2026-06-11 2026-06-10 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
164 +0.9%
14.75
US$2,419 		164 +0.9% 14.75 US$2,419
2026-06-11 2026-06-10 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
170 +0.3%
14.75
US$2,508 		170 +0.3% 14.75 US$2,508
2026-06-11 2026-06-10 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
219 +0.8%
14.75
US$3,230 		219 +0.8% 14.75 US$3,230
2026-06-11 2026-06-09 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
1,904 +5.1%
14.50
US$27,608 		1,904 +5.1% 14.50 US$27,608
2026-06-11 2026-06-09 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
1,904 +5.1%
14.50
US$27,608 		1,904 +5.1% 14.50 US$27,608
2026-06-11 2026-06-09 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
519 +2.8%
14.50
US$7,526 		519 +2.8% 14.50 US$7,526
2026-06-11 2026-06-09 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
537 +1.1%
14.50
US$7,786 		537 +1.1% 14.50 US$7,786
2026-06-11 2026-06-09 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
693 +2.6%
14.50
US$10,048 		693 +2.6% 14.50 US$10,048
2026-06-11 2026-06-09 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
1,904 +5.1%
14.50
US$27,608 		1,904 +5.1% 14.50 US$27,608
2026-06-11 2026-06-09 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
519 +2.8%
14.50
US$7,526 		519 +2.8% 14.50 US$7,526
2026-06-11 2026-06-09 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
537 +1.1%
14.50
US$7,786 		537 +1.1% 14.50 US$7,786
2026-06-11 2026-06-09 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
693 +2.6%
14.50
US$10,048 		693 +2.6% 14.50 US$10,048
2026-06-11 2026-06-08 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
197 +0.5%
14.24
US$2,805 		197 +0.5% 14.24 US$2,805
2026-06-11 2026-06-08 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
197 +0.5%
14.24
US$2,805 		197 +0.5% 14.24 US$2,805
2026-06-11 2026-06-08 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
54 +0.3%
14.24
US$769 		54 +0.3% 14.24 US$769
2026-06-11 2026-06-08 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
55 +0.1%
14.24
US$783 		55 +0.1% 14.24 US$783
2026-06-11 2026-06-08 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
71 +0.3%
14.24
US$1,011 		71 +0.3% 14.24 US$1,011
2026-06-11 2026-06-08 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
197 +0.5%
14.24
US$2,805 		197 +0.5% 14.24 US$2,805
2026-06-11 2026-06-08 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
54 +0.3%
14.24
US$769 		54 +0.3% 14.24 US$769
2026-06-11 2026-06-08 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
55 +0.1%
14.24
US$783 		55 +0.1% 14.24 US$783
2026-06-11 2026-06-08 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
71 +0.3%
14.24
US$1,011 		71 +0.3% 14.24 US$1,011
2026-06-11 2026-06-05 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
320 +0.9%
14.25
US$4,559 		320 +0.9% 14.25 US$4,559
2026-06-11 2026-06-05 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
320 +0.9%
14.25
US$4,559 		320 +0.9% 14.25 US$4,559
2026-06-11 2026-06-05 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
87 +0.5%
14.25
US$1,240 		87 +0.5% 14.25 US$1,240
2026-06-11 2026-06-05 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
90 +0.2%
14.25
US$1,282 		90 +0.2% 14.25 US$1,282
2026-06-11 2026-06-05 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
116 +0.4%
14.25
US$1,653 		116 +0.4% 14.25 US$1,653
2026-06-11 2026-06-05 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
320 +0.9%
14.25
US$4,559 		320 +0.9% 14.25 US$4,559
2026-06-11 2026-06-05 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
87 +0.5%
14.25
US$1,240 		87 +0.5% 14.25 US$1,240
2026-06-11 2026-06-05 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
90 +0.2%
14.25
US$1,282 		90 +0.2% 14.25 US$1,282
2026-06-11 2026-06-05 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
116 +0.4%
14.25
US$1,653 		116 +0.4% 14.25 US$1,653
2026-06-11 2026-06-04 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
74 +0.2%
13.77
US$1,019 		74 +0.2% 13.77 US$1,019
2026-06-11 2026-06-04 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
74 +0.2%
13.77
US$1,019 		74 +0.2% 13.77 US$1,019
2026-06-11 2026-06-04 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
20 +0.1%
13.77
US$275 		20 +0.1% 13.77 US$275
2026-06-11 2026-06-04 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
21 +0.0%
13.77
US$289 		21 +0.0% 13.77 US$289
2026-06-11 2026-06-04 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
27 +0.1%
13.77
US$372 		27 +0.1% 13.77 US$372
2026-06-11 2026-06-04 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
74 +0.2%
13.77
US$1,019 		74 +0.2% 13.77 US$1,019
2026-06-11 2026-06-04 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
20 +0.1%
13.77
US$275 		20 +0.1% 13.77 US$275
2026-06-11 2026-06-04 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
21 +0.0%
13.77
US$289 		21 +0.0% 13.77 US$289
2026-06-11 2026-06-04 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
27 +0.1%
13.77
US$372 		27 +0.1% 13.77 US$372
2026-06-11 2026-06-03 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
722 +2.0%
13.75
US$9,926 		722 +2.0% 13.75 US$9,926
2026-06-11 2026-06-03 B Purchase
3.2
Knopf Michelle

EVP and COO

Officer
197 +1.1%
13.75
US$2,708 		197 +1.1% 13.75 US$2,708
2026-06-11 2026-06-03 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
203 +0.4%
13.75
US$2,791 		203 +0.4% 13.75 US$2,791
2026-06-11 2026-06-03 B Purchase
3.2
Cornish Terry

SVP and CCO

Officer
263 +1.0%
13.75
US$3,616 		263 +1.0% 13.75 US$3,616
2025-11-28 2025-11-26 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
1,075 +3.2%
11.37
US$12,223 		1,075 +3.2% 11.37 US$12,223
2025-11-14 2025-11-13 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
1,325 +4.1%
11.00
US$14,575 		1,325 +4.1% 11.00 US$14,575
2025-06-16 2025-06-13 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
500 +1.5%
9.99
US$4,995 		500 +1.5% 9.99 US$4,995
2025-05-20 2025-05-16 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
500 +1.5%
10.07
US$5,034 		500 +1.5% 10.07 US$5,034
2024-03-07 2024-03-06 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
100 +0.5%
9.51
US$951 		100 +0.5% 9.51 US$951
2023-11-17 2023-11-16 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
140 +50.0%
7.20
US$1,008 		140 +50.0% 7.20 US$1,008
2023-11-17 2023-11-16 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
300 +inf%
7.20
US$2,159 		300 +inf% 7.20 US$2,159
2023-11-17 2023-11-16 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
1,100 +5.9%
7.39
US$8,127 		1,100 +5.9% 7.39 US$8,127
2023-05-22 2023-05-18 B Purchase
3.3
Spatz Nora

EVP and CAO

Officer
800 +inf%
9.50
US$7,600 		800 +inf% 9.50 US$7,600
2023-05-22 2023-05-18 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
1,000 +5.4%
9.50
US$9,500 		1,000 +5.4% 9.50 US$9,500
2022-05-18 2022-05-17 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
525 +7.5%
10.80
US$5,670 		525 +7.5% 10.80 US$5,670
2022-05-18 2022-05-17 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
500 +7.7%
10.70
US$5,350 		500 +7.7% 10.70 US$5,350
2021-05-27 2021-05-26 B Purchase
3.9
Zillges Nicholas W

President and CEO

Executive Director
2,400 +58.5%
10.45
US$25,080 		2,400 +58.5% 10.45 US$25,080
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Insider trading in North America