CSB Bancorp, Inc.

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. )

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☒ Definitive Proxy Statement

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CSB Bancorp, Inc.

(Name of Registrant as Specified In Its Charter)

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

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▬ 2025 ▬ Proxy Statement &Notice of Annual Meeting

91 North Clay Street Millersburg, Ohio 44654

March 12, 2025

Dear Fellow Shareholders:

The 2025 Annual Meeting of Shareholders (the “Annual Meeting”) of CSB Bancorp, Inc. (“CSB”) will be held on Wednesday, April 23, 2025, at 7:00 P.M. EDT at the Carlisle Inn, located at 4949 Walnut Street, Walnut Creek, Ohio 44687.

The Meeting is being conducted for the following purposes:

To elect the following directors for terms of three years each:

To ratify the appointment of S.R. Snodgrass, P.C. as the independent registered public accounting firm for CSB for the fiscal year ending December 31, 2025;

To approve, in a non-binding advisory vote, the compensation of CSB’s named executive officers;

To conduct an advisory vote on the frequency of future advisory votes on the compensation of CSB’s named executive officers; and

To transact any other business that may properly come before the Annual Meeting or any adjournments thereof.

At the conclusion of the Annual Meeting, we will review highlights from the past year, The Commercial and Savings Bank’s 146 th year of existence doing business chartered by the State of Ohio. Several of the performance highlights and matters upon which we will report are outlined on page 3 of this proxy statement.

Whether or not you plan to attend the Annual Meeting, it is important that your shares be represented. Please vote your shares promptly by telephone or online, or by completing, executing, and returning the enclosed proxy card by mail in the envelope provided. To vote by phone or online, please refer to the instructions on the enclosed proxy card.

Thank you for your support of CSB.

Sincerely,

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