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Marathon Bancorp, Inc. /MD/

For the period ended May 28, 2026. Filed Apr 24, 2026.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 28, 2026 · Filed Apr 24, 2026

MBBC$14.78+2.6%Stored close · as of Nov 6, 2026
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DEF 14A 1 tm2612200d1_def14a.htm DEF 14A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. __)

Filed by the Registrant x
Filed by a Party other than the Registrant ¨
Check the appropriate box:
¨Preliminary Proxy Statement
¨Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
xDefinitive Proxy Statement
¨Definitive Additional Materials
¨Soliciting Material Under Rule 14a-12

Marathon Bancorp, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

xNo fee required.
¨Fee paid previously with preliminary materials
¨Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

Dear Fellow Stockholder:

We cordially invite you to attend a Special Meeting of Stockholders of Marathon Bancorp, Inc. The Special Meeting will be held at Marathon Bank, located at 500 Scott Street, Wausau, Wisconsin on May 28, 2026, at 9:00 a.m., local time.

The enclosed Notice of Special Meeting and Proxy Statement describe the formal business to be transacted. The business to be conducted at the Special Meeting consists of the approval of our 2026 Equity Incentive Plan.

Our Board of Directors has determined that the matter to be considered at the Special Meeting is in the best interests of Marathon Bancorp, Inc. and its stockholders. For the reasons set forth in the Proxy Statement, the Board of Directors unanimously recommends a vote “FOR” the 2026 Equity Incentive Plan.

On behalf of the Board of Directors, please take a moment now to cast your vote via the Internet, a mobile device or by telephone as described on the enclosed proxy card, or alternatively, complete, sign, date and return the proxy card in the postage-paid envelope provided. Voting in advance of the Special Meeting will not prevent you from voting in person, but will assure that your vote is counted if you are unable to attend the Special Meeting.

Sincerely,

Nicholas W. Zillges

President and Chief Executive Officer

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.