Nora Spatz - 01 Dec 2025 Form 4 Insider Report for Marathon Bancorp, Inc. /MD/ (MBBC)

Signature
/s/ Benjamin Azoff, pursuant to power of attorney
Issuer symbol
MBBC
Transactions as of
01 Dec 2025
Net transactions value
+$49,733
Form type
4
Filing time
03 Dec 2025, 15:56:51 UTC
Previous filing
01 Jul 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Spatz Nora EVP and CAO 500 SCOTT STREET, WAUSAU /s/ Benjamin Azoff, pursuant to power of attorney 03 Dec 2025 0001855946

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 $35,671 +3,166 +10% $11.27 34,436 01 Dec 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 $13,554 +1,220 +3.5% $11.11 35,656 02 Dec 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 $508 +45 +0.13% $11.30 35,701 02 Dec 2025 By 401(k)
holding MBBC Common Stock 15,659 01 Dec 2025 Direct F1, F2
holding MBBC Common Stock 1,598 01 Dec 2025 By Trust
holding MBBC Common Stock 1,149 01 Dec 2025 As custodian
holding MBBC Common Stock 1,209 01 Dec 2025 By ESOP
holding MBBC Common Stock 1,372 01 Dec 2025 By Spouse

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 5,999 01 Dec 2025 Common Stock 5,999 $8.13 Direct F3
holding MBBC Stock Options 4,804 01 Dec 2025 Common Stock 4,804 $6.48 Direct F4
* 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 Includes shares of restricted stock which 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.
F4 Stock options vest at a rate of 20% per year commencing on May 16, 2024.