X0202 SCHEDULE 13D/A 0002037911 XXXXXXXX LIVE 1 Common Stock 06/29/2026 0002013792 26929P107 EWSB Bancorp, Inc.

109 West Second Street Kaukauna WI 54130

Kory J. Schneider 920-766-4646 109 West Second Street Kaukauna WI 54130 0002037911 N Kory J. Schneider PF X1 72131 25040 72131 25040 97171 9.58 IN HC Y Carrie A. Schneider PF X1 25040 72131 25040 72131 97171 9.58 IN Common Stock EWSB Bancorp, Inc. 109 West Second Street Kaukauna WI 54130 Kory J. Schneider and Carrie A. Schneider. The address for both Kory J. Schneider and Carrie A. Schneider is: W10097 Allcan Road, New London, Wisconsin 54961. Mr. Schneider is the Vice President of Member Experience for East Wisconsin Savings Bank, 109 West Second Street, Kaukauna, Wisconsin 54310. Mrs. Schneider is a judge for Outagamie County. Neither Mr. Schneider nor Mrs. Schneider has, during the last five years, been convicted in any criminal proceeding (excluding traffic violations or similar misdemeanors). Neither Mr. Schneider nor Mrs. Schneider has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and has not, as a result of such proceeding, been subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Mr. Schneider and Mrs. Schneider are both U.S. citizens. The shares of the Issuer's Common Stock were purchased with personal funds. The shares covered by this Schedule 13D are being held for investment purposes. Mr. Schneider and Mrs. Schneider may, from time to time, acquire additional securities of the Issuer using personal funds through a broker and/or privately negotiated transactions or dispose of securities. Except as described above, neither Mr. Schneider (except in his capacity as an officer of the Issuer and of East Wisconsin Savings Bank, the wholly-owned subsidiary of the Issuer) nor Mrs. Schneider have any present plans or proposals that relate to or would result in any of the matters listed in Items 4(a)-(j) of Schedule 13D, although, depending on the factors discussed herein, the Reporting Person may change his purpose or formulate different plans or proposals with respect thereto at any time. As of the date hereof, Mr. Schneider and Mrs. Schneider beneficially own, in the aggregate, 97,171 shares of the Issuer's Common Stock, representing 9.58% of the 1,014,220 shares of the Common Stock deemed outstanding for such purpose. Mr. Schneider has sole voting and dispositive power with respect to 72,131 shares of the Issuer's Common Stock and has shared voting and dispositive power with respect to 25,040 shares of the Issuer's Common stock with his spouse, Carrie Schneider. Ms. Schneider has sole voting and dispositive power with respect to 25,040 shares of the Issuer's Common Stock and has shared voting and dispositive power with respect to 72,131 shares of the Issuer's Common stock with her spouse, Kory Schneider. On June 29, 2026, Kory Schneider purchased 32,860 shares for a purchase price of $10 per share in a subscription offering. On June 29, 2026, Carrie Schneider purchased 15,040 shares for a purchase price of $10 per share in a subscription offering. None Not applicable See response to Item 4 above. See Exhibit 1. Kory J. Schneider /s/ Kory J. Schneider 07/27/2026 Carrie A. Schneider /s/ Carrie A. Schneider 07/27/2026