Insider Transactions Reported by 10 Insiders of Marathon Bancorp, Inc. /MD/

Symbol
MBBC on Nasdaq
Location
Wausau, WI

Insiders trading volume in the past year

Marathon Bancorp, Inc. /MD/ executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Nicholas W. Zillges President and CEO, Director $949,146 +$36,827 +4% 23 Feb 2026
Nora Spatz EVP and CAO $680,672 18 Mar 2026
Terry Cornish SVP and CCO $457,311 28 Jun 2025
Joy Selting-Buchberger SVP and CFO $423,810 28 Jun 2025
Michelle Knopf EVP and COO $308,848 01 Dec 2025
Thomas L. Grimm Director $220,291 21 Apr 2025
Amy Zientara Director, Chairwoman of the Board $192,260 21 Apr 2025
Timothy R. Wimmer Director $135,971 21 Apr 2025
Thomas Terwilliger Director $69,551 28 Jun 2022
Ann M. Werth Director $36,170 21 Apr 2025

Recent Insider Transactions by Companies or Individuals for Marathon Bancorp, Inc. /MD/

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Nora Spatz MBBC Common Stock Options Exercise 27.6% 4,320 19,979 18 Mar 2026 Direct
Nora Spatz MBBC Stock Options Options Exercise -60% -4,320 2,883 18 Mar 2026 Direct
Nicholas W. Zillges MBBC Common Stock Options Exercise 8.61% 2,998 37,801 23 Feb 2026 Direct
Nicholas W. Zillges MBBC Stock Options Options Exercise -40% -2,998 4,500 23 Feb 2026 Direct
Michelle Knopf MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 3.13% 556 18,298 02 Dec 2025 By 401(k)
Nora Spatz MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 3.67% 1,265 35,701 02 Dec 2025 By 401(k)
Nicholas W. Zillges MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 1.33% 658 50,084 02 Dec 2025 By 401(k)
Michelle Knopf MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 8.52% 1,393 17,742 01 Dec 2025 By 401(k)
Nora Spatz MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 10.1% 3,166 34,436 01 Dec 2025 By 401(k)
Nicholas W. Zillges MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 3.44% 1,646 49,426 01 Dec 2025 By 401(k)
Nicholas W. Zillges MBBC Common Stock Purchase 3.19% $12,223 $11.37 1,075 34,803 26 Nov 2025 Direct
Nicholas W. Zillges MBBC Common Stock Purchase 4.09% $14,575 $11.00 1,325 33,728 13 Nov 2025 Direct
Nicholas W. Zillges MBBC Common Stock Tax liability -3.48% -1,169 32,403 28 Jun 2025 Direct
Joy Selting-Buchberger MBBC Common Stock Tax liability -8.83% -517 5,338 28 Jun 2025 Direct
Terry Cornish MBBC Common Stock Tax liability -6.88% -225 3,044 28 Jun 2025 Direct
Michelle Knopf MBBC Common Stock Tax liability -5.45% -197 3,418 28 Jun 2025 Direct
Nora Spatz MBBC Common Stock Tax liability -2.8% -451 15,659 28 Jun 2025 Direct
Nicholas W. Zillges MBBC Common Stock Purchase 1.51% $4,995 $9.99 500 33,572 13 Jun 2025 Direct
Nicholas W. Zillges MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 1.48% 695 47,780 29 May 2025 By 401(k)
Nora Spatz MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities 3.28% 992 31,270 29 May 2025 By 401(k)
Terry Cornish MBBC Common Stock Tax liability -1.15% -38 3,269 16 May 2025 Direct
Michelle Knopf MBBC Common Stock Tax liability -1.9% -70 3,615 16 May 2025 Direct
Nora Spatz MBBC Common Stock Tax liability -0.18% -29 16,110 16 May 2025 Direct
Joy Selting-Buchberger MBBC Common Stock Tax liability -0.75% -44 5,855 16 May 2025 Direct
Nicholas W. Zillges MBBC Common Stock Purchase 1.54% $5,034 $10.07 500 33,072 16 May 2025 Direct
Amy Zientara MBBC Common Stock Award 15% 2,500 19,226 21 Apr 2025 Direct
Timothy R. Wimmer MBBC Common Stock Award 36.4% 2,500 9,364 21 Apr 2025 By Trust
Ann M. Werth MBBC Common Stock Award 17.9% 550 3,617 21 Apr 2025 Direct
Thomas L. Grimm MBBC Common Stock Award 72.8% 7,500 17,796 21 Apr 2025 By Trust
Terry Cornish MBBC Common Stock Award 10.7% 2,500 25,816 21 Apr 2025 By 401(k)
Joy Selting-Buchberger MBBC Common Stock Award 29.8% 5,000 21,788 21 Apr 2025 By 401(k)
Michelle Knopf MBBC Common Stock Award 25.3% 3,300 16,349 21 Apr 2025 By 401(k)
Nora Spatz MBBC Common Stock Award 109.3% 600 1,149 21 Apr 2025 As custodian
Nora Spatz MBBC Common Stock Award 45.5% 500 1,598 21 Apr 2025 By Trust
Nora Spatz MBBC Common Stock Award 19.8% 5,000 30,278 21 Apr 2025 By 401(k)
Nicholas W. Zillges MBBC Common Stock Award 8.03% 3,500 47,085 21 Apr 2025 By 401(k)
Nicholas W. Zillges MBBC Common Stock Award 24.9% 6,500 32,572 21 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.