Form 4: Amy Zientara Exercises Options in Marathon Bancorp

Chairwoman Amy Zientara exercised stock options to acquire 4,498 shares of Marathon Bancorp, Inc. common stock.

Summary

• Amy Zientara, Chairwoman of the Board, exercised stock options for a total of 4,498 shares of common stock on June 3, 2026.
• The transaction involved 3,599 shares exercised at $8.13 per share and 899 shares exercised at $6.48 per share.
• Following these transactions, Zientara's direct beneficial ownership increased to 23,724 shares.
• The remaining unexercised stock options held by the reporting person are 2,400 shares at $8.13 and 600 shares at $6.48.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as it represents a routine exercise of vested compensation rather than a discretionary open-market purchase or sale.

Positives

• Increased equity stake by a key insider and Chairwoman demonstrates confidence in the company's long-term prospects.

Negatives

• None identified; this is a standard exercise of vested employee stock options.

Risks

• Market price volatility of MBBC common stock could impact the value of the newly acquired shares.

Future Outlook

No specific forward-looking guidance provided in this filing.

Industry Context

StockSavvy.ai notes that insider option exercises are common in the regional banking sector as executives manage their compensation packages and equity exposure.

Comparison to Industry Standards

• The exercise of vested options is consistent with standard executive compensation practices in the U.S. regional banking industry.

Stakeholder Impact

• Increased alignment between the Chairwoman and shareholders through higher equity ownership.

Next Steps

• Reporting person will continue to hold the remaining 3,000 unexercised options until future exercise or expiration.

Key Dates

Keywords

Marathon Bancorp, MBBC, Insider Trading, Stock Options, Form 4, Banking