Nicholas W. Zillges - 23 Feb 2026 Form 4 Insider Report for Marathon Bancorp, Inc. /MD/ (MBBC)

Role
President and CEO, Director
Signature
/s/ Benjamin Azoff, pursuant to power of attorney
Issuer symbol
MBBC
Transactions as of
23 Feb 2026
Net transactions value
+$19,427
Form type
4
Filing time
24 Feb 2026, 16:10:36 UTC
Previous filing
03 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Zillges Nicholas W President and CEO, Director 500 SCOTT STREET, WAUSAU /s/ Benjamin Azoff, pursuant to power of attorney 24 Feb 2026 0001855798

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBBC Common Stock Options Exercise $19,427 +2,998 +8.6% $6.48 37,801 23 Feb 2026 Direct F1
holding MBBC Common Stock 604 23 Feb 2026 By IRA
holding MBBC Common Stock 2,723 23 Feb 2026 By ESOP
holding MBBC Common Stock 50,084 23 Feb 2026 By 401(k)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MBBC Stock Options Options Exercise $0 -2,998 -40% $0.000000 4,500 23 Feb 2026 Common Stock 2,998 $6.48 Direct F2
holding MBBC Stock Options 29,994 23 Feb 2026 Common Stock 29,994 $8.13 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
F2 Stock options vest at a rate of 20% per year commencing on May 16, 2024.
F3 Stock options vest at a rate of 20% per year commencing on June 28, 2023.