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Form 8-K

sec.gov

8-K — First Internet Bancorp

Accession: 0001562463-26-000077

Filed: 2026-06-16

Period: 2026-06-16

CIK: 0001562463

SIC: 6022 (STATE COMMERCIAL BANKS)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — inbk-20260616.htm (Primary)

EX-99.1 (inbk2q2026dividendpressrel.htm)

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8-K

8-K (Primary)

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inbk-20260616

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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): June 16, 2026

First Internet Bancorp

(Exact Name of Registrant as Specified in Its Charter)

Indiana

(State or Other Jurisdiction of Incorporation)

001-35750 20-3489991

(Commission File Number) (IRS Employer Identification No.)

8701 E. 116th Street 46038

Fishers, Indiana

(Address of Principal Executive Offices) (Zip Code)

(317) 532-7900

(Registrant's Telephone Number, Including Area Code)

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 Symbols Name of each exchange on which registered

Common Stock, without par value INBK The Nasdaq Stock Market LLC

6.0% Fixed to Floating Subordinated Notes due 2029 INBKZ 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 (§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 ☐

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 7.01    Regulation FD Disclosure

On June 16, 2026, First Internet Bancorp issued a press release announcing a quarterly cash dividend of $0.06 per common share. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein.

The information contained in this Item 7.01 and Exhibit 99.1 hereto is being furnished and shall not be deemed to be “filed” with the Securities and Exchange Commission for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that section and is not incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits

Number Description Method of filing

99.1

Press release dated June 16, 2026

Furnished electronically

104 Cover Page Interactive Data File (embedded in the cover page formatted in inline XBRL)

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.

Dated: June 16, 2026

FIRST INTERNET BANCORP

By: /s/ Kenneth J. Lovik

Kenneth J. Lovik, Executive Vice President & Chief Financial Officer

EX-99.1

EX-99.1

Filename: inbk2q2026dividendpressrel.htm · Sequence: 2

Document

First Internet Bancorp to Pay Cash Dividend

Fishers, Indiana, June 16, 2026 – The Board of Directors of First Internet Bancorp (the “Company”) (Nasdaq: INBK) has declared a quarterly cash dividend of $0.06 per common share. The dividend will be payable on July 15, 2026 to shareholders of record at the close of business on June 30, 2026.

The declaration and amount of any future cash dividends will be subject to the sole discretion of the Board of Directors and will depend upon many factors, including the Company’s results of operations, financial condition, capital requirements, regulatory and contractual restrictions, business strategy and other factors deemed relevant by the Board of Directors.

About First Internet Bancorp

First Internet Bancorp is a bank holding company with assets of $5.7 billion as of March 31, 2026. The Company’s subsidiary, First Internet Bank, opened for business in 1999 as an industry pioneer in the branchless delivery of banking services. First Internet Bank provides consumer and small business deposit, commercial real estate and construction financing, SBA financing, public finance, consumer loans, and specialty finance services nationally, as well as commercial and industrial loans and treasury management services on a regional basis. First Internet Bancorp’s common stock trades on the Nasdaq Global Select Market under the symbol “INBK” and is a component of the Russell 2000® Index. Additional information about the Company is available at www.firstinternetbancorp.com and additional information about First Internet Bank, including its products and services, is available at www.firstib.com.

Contact Information:

Investors/Analysts Media

Paula Deemer PANBlast

Director of Corporate Administration Zach Weismiller

(317) 428-4628 firstib@panblastpr.com

investors@firstib.com

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