• Marathon Bancorp President and CEO Nicholas W. Zillges disclosed purchases of 1,076 common shares through a 401(k) at prices from USD 13.75 to USD 14.75.
• 401(k) common stock holdings rose to 51,160 shares.
• Zillges also reported direct ownership of 39,301 common shares.
• Additional indirect holdings totaled 5,033 common shares through an IRA and ESOP.
• He reported stock options for 32,994 shares, with exercise prices of USD 8.13 and USD 6.48.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Marathon Bancorp Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001437749-26-020346), on June 11, 2026, and is solely responsible for the information contained therein.