EX-32.1 4 ex321-2026q2.htm EX-32.1
Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of First Internet Bancorp (the “Company") on Form 10-Q for the period ended June 30, 2026 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:
(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ David B. Becker |
David B. Becker |
Chief Executive Officer |
August 5, 2026 |
/s/ Kenneth J. Lovik |
Kenneth J. Lovik |
Chief Financial Officer |
August 5, 2026 |