MBWM furnishes Q3 2025 results; call set for 10:00 a.m. ET

Rhea-AI Filing Summary

Mercantile Bank Corporation announced it issued a press release with earnings and other financial results for the quarter ended September 30, 2025. The materials were furnished as Exhibit 99.1 (press release) and Exhibit 99.2 (Conference Call & Webcast Presentation).

Management planned to discuss results during its Third Quarter 2025 conference call on October 21, 2025 at 10:00 a.m. Eastern Time. The presentation is also available on the company’s investor relations website. Consistent with General Instruction B.2, the information in this report, including Exhibits 99.1 and 99.2, is furnished and not deemed filed.

8-K Event Classification

3 items: 2.02, 7.01, 9.01

3 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (date of earliest event reported): October 21, 2025

Mercantile Bank Corporation

(Exact name of registrant as specified in its charter)

Michigan	000-26719	38-3360865
(State or other jurisdiction  of incorporation)	(Commission File  Number)	(IRS Employer  Identification Number)

310 Leonard Street NW, Grand Rapids, Michigan	49504
(Address of principal executive offices)	(Zip Code)
Registrant's telephone number, including area code	616-406-3000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	MBWM	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.          ☐

Item 2.02 Results of Operations and Financial Condition.

Earnings Release

On October 21, 2025, Mercantile Bank Corporation (the “Company”) issued a press release announcing earnings and other financial results for the quarter ended September 30, 2025.  A copy of the press release is furnished as Exhibit 99.1 to this report and incorporated here by reference.

Item 7.01 Regulation FD Disclosure.

The Company has prepared presentation materials (the “Conference Call & Webcast Presentation”) that management intends to use during its previously announced Third Quarter 2025 conference call on Tuesday, October 21, 2025 at 10:00 am Eastern Time, and from time to time thereafter in presentations about the Company’s operations and performance. The Company may use the Conference Call & Webcast Presentation, possibly with modifications, in presentations to current and potential investors, analysts, lenders, business partners, acquisition candidates, customers, employees and others with an interest in the Company and its business.

A copy of the Conference Call & Webcast Presentation is furnished as Exhibit 99.2 to this report and incorporated here by reference. The Conference Call & Webcast Presentation is also available on the Company's website at http://ir.mercbank.com. Materials on the Company’s website are not part of or incorporated by reference into this report.

In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibits 99.1 and 99.2, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number                    Description

99.1 Press release of Mercantile Bank Corporation dated October 21, 2025, reporting financial results and earnings for the quarter ended September 30, 2025.

99.2 Mercantile Bank Corporation Conference Call & Webcast Presentation dated October 21, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

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Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Mercantile Bank Corporation
	By:	/s/ Charles E. Christmas
		Charles E. Christmas
		Executive Vice President, Chief
		Financial Officer and Treasurer

Date: October 21, 2025

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FAQ

What did MBWM announce in this 8-K?

The company issued a press release with earnings and other financial results for the quarter ended September 30, 2025, furnished as Exhibit 99.1.

Which period do the results cover for MBWM?

They cover the quarter ended September 30, 2025.

When is MBWM’s Q3 2025 conference call?

The call was scheduled for October 21, 2025 at 10:00 a.m. Eastern Time.

Where can I find MBWM’s presentation materials?

The Conference Call & Webcast Presentation is furnished as Exhibit 99.2 and is available at http://ir.mercbank.com.

Are the exhibits considered filed or furnished?

Per General Instruction B.2, the information in this report, including Exhibits 99.1 and 99.2, is furnished and not deemed filed.

What is Mercantile Bank’s trading symbol and exchange?

Common Stock trades under MBWM on The Nasdaq Stock Market LLC.