Key facts
- This page summarizes Joy Selting-Buchberger's Form 4 filing for Marathon Bancorp, Inc. /MD/ (MBBC).
- 1 reported transaction and 2 derivative rows are listed below.
- Accepted by SEC: 30 Jun 2026, 17:31.
Joy Selting-Buchberger - 28 Jun 2026 Form 4 Insider Report for Marathon Bancorp, Inc. /MD/ (MBBC)
- Reporting relationship
- SVP and CFO
- Issuer ticker
- MBBC
- Reported as of
- 28 Jun 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 30 Jun 2026, 17:31:57 UTC
- Prior SEC filing
- 19 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Benjamin M. Azoff, pursuant to Power of Attorney
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Joy Selting-Buchberger filed Form 4 for Marathon Bancorp, Inc. /MD/ (MBBC) on 30 Jun 2026.
Change
- Previous filing in this sequence was filed on 19 May 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001855802
Primary reporting owner
Selting-Buchberger Joy
- Relationship
- SVP and CFO
- Address
- 500 SCOTT STREET, WAUSAU
- Signature
- /s/ Benjamin M. Azoff, pursuant to Power of Attorney
- Signature date
- 30 Jun 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
MBBC
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -522
- Change %
- -9.9%
- Price
- $15.49*
- Shares after
- 4,760
- Date
- 28 Jun 2026
- Ownership
- Direct
- Footnotes
- F1, F2
MBBC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 21,788
- Date
- 28 Jun 2026
- Ownership
- By 401(k)
MBBC
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,177
- Date
- 28 Jun 2026
- Ownership
- By ESOP
- Footnotes
- F3
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
MBBC
holding
Derivative
Stock Options
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 5,999
- Date
- 28 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 5,999
- Exercise price
- $8.13
- Footnotes
- F4
MBBC
holding
Derivative
Stock Options
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 4,804
- Date
- 28 Jun 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,804
- Exercise price
- $6.48
- Footnotes
- F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
Includes shares of restricted stock which vest at a rate of 20% per year commencing on June 28, 2023.
Footnote F2
Includes shares of restricted stock which vest at a rate of 20% per year commencing on May 16, 2024.
Footnote F3
Reflects transactions not required to be reported pursuant to Section 16 of the Securities Exchange Act of 1934, as amended.
Footnote F4
Stock options vest at a rate of 20% per year commencing on June 28, 2023.
Footnote F5
Stock options vest at a rate of 20% per year commencing on May 16, 2024.