Nicholas W. Zillges - Dec 1, 2025 Form 4 Insider Report for Marathon Bancorp, Inc. /MD/ (MBBC)

Role
President and CEO, Director
Signature
/s/ Benjamin Azoff, pursuant to power of attorney
Stock symbol
MBBC
Transactions as of
Dec 1, 2025
Transactions value $
$25,860
Form type
4
Date filed
12/3/2025, 03:54 PM
Previous filing
Nov 28, 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 2025-12-03 0001855798

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities $18.5K +1.65K +3.44% $11.27 49.4K Dec 1, 2025 By 401(k)
transaction MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities $7.04K +634 +1.28% $11.11 50.1K Dec 2, 2025 By 401(k)
transaction MBBC Common Stock Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities $271 +24 +0.05% $11.30 50.1K Dec 2, 2025 By 401(k)
holding MBBC Common Stock 34.8K Dec 1, 2025 Direct F1
holding MBBC Common Stock 604 Dec 1, 2025 By IRA
holding MBBC Common Stock 2.72K Dec 1, 2025 By ESOP

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
holding MBBC Stock Options 30K Dec 1, 2025 Common Stock 30K $8.13 Direct F2
holding MBBC Stock Options 7.5K Dec 1, 2025 Common Stock 7.5K $6.48 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 June 28, 2023.
F3 Stock options vest at a rate of 20% per year commencing on May 16, 2024.