Joy Selting-Buchberger - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Joy Selting-Buchberger has filed 2 SEC Form 4 filings across 1 company in the last 90 days.
Profile
Joy Selting-Buchberger holds the role of SVP and CFO at Marathon Bancorp, Inc. (MBBC). Selting-Buchberger has reported 3 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | SVP and CFO |
|---|---|
| Notability | 34/100 |
Board memberships
- Marathon Bancorp, Inc. /MD/
Reported roles
- SVP and CFO
Trading Pattern
InsiderAlpha's records for Joy Selting-Buchberger go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Joy Selting-Buchberger has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- SVP and CFO at Marathon Bancorp, Inc. /MD/ (MBBC) - 3 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-30 | MBBC | Marathon Bancorp, Inc. /MD/ | F - Tax withholding / forfeiture | 522 | $15.49 | $8K |
| 2026-05-19 | MBBC | Marathon Bancorp, Inc. /MD/ | F - Tax withholding / forfeiture | 56 | $14.50 | $812 |
| 2025-06-28 | MBBC | Marathon Bancorp, Inc. /MD/ | F - Tax withholding / forfeiture | 517 | $9.99 | $5K |
Companies - Last 90 Days
- Marathon Bancorp, Inc. /MD/ (MBBC) - 2 filings, last 2026-06-30
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Joy Selting-Buchberger has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Nicholas W. Zillges - $57K of MBBC open-market activity in the last 12 months
- Nora Spatz - $55K of MBBC open-market activity in the last 12 months
- Terry Cornish - $20K of MBBC open-market activity in the last 12 months
- Michelle Knopf - $15K of MBBC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
- Richard D. Kinder
- Steven B. Klinsky
Frequently Asked Questions
Who is Joy Selting-Buchberger?
Joy Selting-Buchberger holds the role of SVP and CFO at Marathon Bancorp, Inc. (MBBC). Selting-Buchberger has reported 3 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Joy Selting-Buchberger submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Joy Selting-Buchberger's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Joy Selting-Buchberger profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.