Nora Spatz - 18 Mar 2026 Form 4 Insider Report for Marathon Bancorp, Inc. /MD/ (MBBC)

Role
EVP and CAO
Signature
/s/ Benjamin Azoff, pursuant to power of attorney
Issuer symbol
MBBC
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
4
Filing time
18 Mar 2026, 17:27:52 UTC
Previous filing
03 Dec 2025
SEC
View on sec.gov

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 18 Mar 2026 0001855946

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MBBC Common Stock Options Exercise +2,399 +15% $8.13* 18,058 18 Mar 2026 Direct F1, F2
transaction MBBC Common Stock Options Exercise +1,921 +11% $6.48* 19,979 18 Mar 2026 Direct F1, F2
holding MBBC Common Stock 35,701 18 Mar 2026 By 401(k)
holding MBBC Common Stock 1,598 18 Mar 2026 By Trust
holding MBBC Common Stock 1,149 18 Mar 2026 As custodian
holding MBBC Common Stock 1,209 18 Mar 2026 By ESOP
holding MBBC Common Stock 1,372 18 Mar 2026 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
transaction MBBC Stock Options Options Exercise -2,399 -40% $0.000000* 3,600 18 Mar 2026 Common Stock 2,399 $8.13 Direct F3
transaction MBBC Stock Options Options Exercise -1,921 -40% $0.000000* 2,883 18 Mar 2026 Common Stock 1,921 $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.