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FILED BY EQUITY BANCSHARES, INC.

PURSUANT TO RULE 425 UNDER THE SECURITIES ACT OF 1933

SUBJECT COMPANY: LINCOLN BANCORP

EQUITY BANCSHARES, INC. COMMISSION FILE NO. 001-37624

The following is an email that Lincoln Savings Bank sent to its customers on September 18, 2026, which discusses, among other things, Lincoln Bancorp’s (“Lincoln”) proposed merger with Equity Bancshares, Inc. (“Equity” or the “Company”):

LOGO

Forward-Looking Statements

This communication may contain forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended and are intended to be covered by the safe harbor provisions provided by the Private Securities Litigation Reform Act of 1995, as amended. These forward-looking statements reflect the current views of Equity’s management with respect to, among other things, future events and Equity’s financial performance. These statements are often, but not always, made through the use of words or phrases such as “may,” “should,” “could,” “predict,” “potential,” “believe,” “will likely result,” “expect,” “continue,” “will,” “anticipate,” “seek,” “estimate,” “intend,” “plan,” “project,” “forecast,” “goal,” “target,” “would” and “outlook,” or the negative variations of those words or other comparable words of a future or forward-looking nature. These forward-looking statements are not historical facts, and are based on current expectations, estimates and projections about the Company’s industry, management’s beliefs and certain assumptions made by management, many of which, by their nature, are inherently uncertain and beyond the Company’s control. Accordingly, the Company cautions you that any such forward-looking statements are not guarantees of future performance and are subject to risks, assumptions and uncertainties that are difficult to predict. Although the Company believes that the expectations reflected in these forward-looking statements are reasonable as of the date made, actual results may prove to be materially different from the results expressed or implied by the forward-looking statements. Factors that could cause actual results to differ materially from the Company’s expectations include competition from other financial institutions and bank holding companies; the effects of and changes in trade, monetary and fiscal policies and laws, including interest rate policies of the Federal Reserve Board; changes in the demand for loans; fluctuations in value of collateral and loan reserves; inflation, interest rate, market and monetary fluctuations; changes in consumer spending, borrowing and savings habits; and acquisitions and integration of acquired businesses; and similar variables. The foregoing list of factors is not exhaustive. In addition, the following factors, among others, related to the transaction between the Company and Lincoln could cause actual outcomes and results to differ materially from forward-looking statements or historical performance: the possibility that the anticipated benefits of the transaction will not be realized when expected or at all, including as a result of the impact of, or problems arising from, the integration of the two companies or as a result of the strength of the economy and competitive factors in the areas where companies do business; the possibility that the transaction may be more expensive to complete than anticipated, including as a result of unexpected factors or events; Lincoln and the Company’s ability to obtain required governmental approvals of the proposed transaction on the timeline expected, or at all, and the risk that such approvals may result in the imposition of conditions that could adversely affect the combined company after the closing of the proposed transaction or adversely affect the expected benefits of the proposed transaction; the failure to obtain the necessary approvals by the shareholders of Lincoln; the failure to satisfy other conditions to completion of the proposed merger, or any unexpected delay in closing the proposed transaction or the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement; diversion of management’s attention from ongoing business operations and opportunities; potential adverse reactions or changes to business or employee relationships, including those resulting from the completion of the transaction; the business, economic and political conditions in the markets in which the parties operate; the risk that the proposed combination could have an adverse effect the parties’ ability to retain customers and retain or hire key personnel and maintain relationships with customers; the risk that the combination may be more difficult, time-consuming or expensive than anticipated; and other factors that may affect future results of the Company.

For discussion of these and other risks that may cause actual results to differ from expectations, please refer to “Cautionary Note Regarding Forward-Looking Statements” and “Risk Factors” in the Company’s Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 6, 2026, as amended, and any updates to those risk factors set forth in the Company’s subsequent Quarterly Reports on Form 10-Q or Current Reports on Form 8-K. If one or more events related to these or other risks or uncertainties materialize, or if the Company’s underlying assumptions prove to be incorrect, actual results may differ materially from what the Company anticipates. Accordingly, you should not place undue reliance on any such forward-looking statements. Any forward-looking statement speaks only as of the date on which it is made, and the Company does not undertake any obligation to publicly update or review any forward-looking statement, whether as a result of new information, future developments or otherwise. New risks and uncertainties arise from time to time, and it is not possible for us to predict those events or how they may affect us. In addition, the Company cannot assess the impact of each factor on the Company’s business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements. All forward-looking statements, expressed or implied, included in this communication are expressly qualified in their entirety by this cautionary statement. This cautionary statement should also be considered in connection with any subsequent written or oral forward-looking statements that the Company or persons acting on the Company’s behalf may issue.

Additional Information about the Transaction and Where to Find It

In connection with the proposed transaction, the Company intends to file with the SEC a registration statement on Form S-4 to register the shares of the Company’s Class A common stock to be issued to the shareholders of Lincoln. The registration statement will include a proxy statement/prospectus, which will be sent to the shareholders of Lincoln seeking their approval of the proposed transaction. WE URGE INVESTORS AND SECURITY HOLDERS TO READ THE REGISTRATION STATEMENT ON FORM S-4, THE PROXY STATEMENT/PROSPECTUS INCLUDED WITHIN THE REGISTRATION STATEMENT ON FORM S-4 AND ANY OTHER RELEVANT DOCUMENTS TO BE FILED WITH THE SEC IN CONNECTION WITH THE PROPOSED TRANSACTION WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE COMPANY, LINCOLN AND THE PROPOSED TRANSACTION. The documents filed by the Company with the SEC may be obtained free of charge at the Company’s investor relations website at investor.equitybank.com or at the SEC’s website at www.sec.gov. Alternatively, these documents, when available, can be obtained free of charge from the Company upon written request to Equity Bancshares, Inc., Attn: Investor Relations, 7701 East Kellogg Drive, Suite 300, Wichita, Kansas 67207 or by calling (316) 612-6000.

No Offer or Solicitation

This communication is for informational purposes only and is not intended to and does not constitute an offer to subscribe for, buy or sell, or the solicitation of an offer to subscribe for, buy or sell, or an invitation to subscribe for, buy or sell any securities or a solicitation of any vote or approval in any jurisdiction, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in which such offer, invitation, sale or solicitation would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act, and otherwise in accordance with applicable law.