June 15, 2026 · Form 4 insider transaction
Grimm Thomas L bought 8,467 shares of Marathon Bancorp, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
Stock options vest at a rate of 20% per year commencing on June 15, 2027.