Form 8-K

8-K — INDEPENDENT BANK CORP /MI/

Accession: 0000039311-26-000059

Filed: 2026-07-27

Period: 2026-07-21

CIK: 0000039311

SIC: 6022 (STATE COMMERCIAL BANKS)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Financial Statements and Exhibits

Documents

8-K — ibcp-20260721.htm (Primary)

EX-99.1 (ibcp-2026x0721exhibit991.htm)

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8-K

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Filename: ibcp-20260721.htm · Sequence: 1

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FALSE00000393117/21/20264200 East BeltlineGrand RapidsMichigan00000393112026-07-212026-07-21

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): July 21, 2026

INDEPENDENT BANK CORPORATION

(Exact name of registrant as specified in its charter)

Michigan 0-7818 38-2032782

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

4200 East Beltline

Grand Rapids, Michigan

49525

(Address of principal executive office) (Zip Code)

Registrant’s telephone number,

including area code:

(616) 527-5820

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):

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

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

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

o 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, no par value IBCP NASDAQ Global Select Market

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

Emerging growth company o

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. o

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Independent Bank Corporation, the holding company for Independent Bank and Highpoint Community Bank, announced on July 22, 2026, that, pursuant to the terms of the Agreement and Plan of Merger relating to the Company’s acquisition of HCB Financial Corp., the Board of Directors of Independent Bank Corporation increased its size from 10 to 11 members and appointed Nathan E. Tagg to fill the resulting vacancy. The appointment was made and was effective July 21, 2026.

Mr. Tagg was also appointed to the Boards of Directors of Independent Bank and Highpoint Community Bank and to the Audit Committee of the Independent Bank Corporation Board of Directors. Mr. Tagg will be compensated for his service on the Board of Directors consistent with our other non-employee Directors, as described in the proxy statement filed by the Corporation with the SEC on March 6, 2026. Mr. Tagg previously served on the Boards of Directors of HCB Financial Corp. and Highpoint Community Bank until the Company’s acquisition of HCB Financial Corp. on July 1, 2026.

Mr. Tagg is an attorney and partner with Tripp, Tagg & Storrs, Attorneys, where he has practiced since 2009. Throughout his legal career, he has developed extensive experience advising businesses, organizations, and individuals while building a distinguished record of leadership in governance, healthcare, and community service. He previously served as Chair of the Spectrum Health Pennock Board of Directors and Co-Chair of the Spectrum Health Pennock Hospital Merger Committee. His additional leadership experience includes service on the Barry Community Foundation Investment and Governance Committees, Treasurer of the Barry County Bar Association, and appointment by former Michigan Governor Rick Snyder to the State of Michigan Board of Auctioneers. Mr. Tagg is also actively involved in numerous youth development and community organizations throughout Barry County.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits.

99.1

Press release dated July 22, 2026, announcing the appointment of Nathan E. Tagg.

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

SIGNATURE

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 thereunto duly authorized.

INDEPENDENT BANK CORPORATION

(Registrant)

Date

July 27, 2026

By s/Gavin A. Mohr

Gavin A. Mohr, Principal Financial Officer

EX-99.1

Filename: ibcp-2026x0721exhibit991.htm · Sequence: 2

Document

NEWS RELEASE

Independent Bank Corporation

4200 East Beltline

Grand Rapids, MI 49525

616.527.5820

For Release: Immediately

Contact: William B. Kessel, President and CEO, 616.447.3933 Gavin A. Mohr, Chief Financial Officer, 616.447.3929

Independent Bank Corporation Appoints Nathan E. Tagg to Its Board of Directors

GRAND RAPIDS, Mich., July 22, 2026 – Independent Bank Corporation (NASDAQ: IBCP), the holding company for Independent Bank and Highpoint Community Bank, today announced the appointment of Nathan E. Tagg to the Boards of Directors of Independent Bank Corporation, Independent Bank, and Highpoint Community Bank, effective July 21, 2026. Mr. Tagg previously served on the Boards of Directors of HCB Financial Corp. and Highpoint Community Bank until their acquisition by the company on July 1, 2026. Mr. Tagg has also been appointed to the Audit Committee of the Independent Bank Corporation Board of Directors.

William B. ("Brad") Kessel, President and Chief Executive Officer of Independent Bank Corporation, commented:

"We are pleased to welcome Nathan to the Boards of Independent Bank Corporation, Independent Bank, and Highpoint Community Bank. His experience, legal expertise, and strong governance background will strengthen our Board as we continue integrating our organizations. We look forward to his leadership on our Audit Committee and his contributions to creating long-term value for our shareholders."

Nathan Tagg commented: "I am honored to join the Boards of Directors of Independent Bank Corporation and Independent Bank. Having served on the Highpoint Community Bank Board, I have seen firsthand the shared values, customer focus, and commitment to community banking that brought these two organizations together. I appreciate the opportunity to continue serving our customers, employees, communities, and shareholders as part of the combined organization and look forward to working with the Board and management team to build on the Company's strong foundation and long-term success."

Mr. Tagg earned his Juris Doctor from Howard University School of Law and is licensed to practice law in the State of Michigan.

About Independent Bank Corporation

Independent Bank Corporation (NASDAQ: IBCP) is a Grand Rapids, Michigan-based bank holding company and the parent company of Independent Bank and, as of July 1, 2026, Highpoint Community Bank. Independent Bank Corporation has total assets of approximately $6.3 billion and operates from 66 locations across Michigan’s Lower Peninsula. Founded in 1864 as First National Bank of Ionia, Independent Bank provides a full range of financial services, including commercial banking, consumer banking, mortgage lending, and investment services. Independent Bank expects to complete the full system integration of Highpoint Community Bank’s operations on November 9, 2026. Until conversion, customers of Highpoint Community Bank should continue using their existing Highpoint Community Bank branches, checks, bank cards, online and mobile banking, and other banking services as usual.

For more information, please visit our Web site at: IndependentBank.com.

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