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Offerings - Offering: 1
Jun. 08, 2026
USD ($)
shares
Offering:  
Fee Previously Paid false
Other Rule true
Security Type Equity
Security Class Title Common stock, $0.01 par value per share
Amount Registered | shares 342,532
Proposed Maximum Offering Price per Unit 14.29
Maximum Aggregate Offering Price $ 4,894,782.28
Fee Rate 0.01381%
Amount of Registration Fee $ 675.97
Offering Note (1) Together with an indeterminate number of additional shares that may be necessary to adjust the number of shares reserved for issuance pursuant to the Marathon Bancorp, Inc. 2026 Equity Incentive Plan (the "Equity Plan") as a result of a stock split, stock dividend or similar adjustment of the outstanding common stock of Marathon Bancorp, Inc. (the "Company") pursuant to 17 C.F.R. Section 230.416(a), this represents (a) 237,077 shares of common stock of the Company issuable pursuant to the Equity Plan, plus (b) up to 105,455 shares of common stock underlying outstanding awards under the Marathon Bancorp, Inc. 2022 Equity Incentive Plan that could become issuable under the Equity Plan if they expire, are terminated, are canceled or are forfeited for any reason after May 28, 2026. The proposed maximum offering price per share of $14.29 is estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h) under the Securities Act of 1933, as amended (the "Securities Act") and is based upon the average of the high and low prices per share of the Company's common stock as reported on the Nasdaq Capital Market on June 5, 2026.