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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

For the quarterly period ended September 30, 2025

OR

For the transition period from to

Huntington Bancshares Incorporated

(Exact name of registrant as specified in its charter)

Registrant’s address: 41 South High Street, Columbus, Ohio 43287

Registrant’s telephone number, including area code: (614) 480-2265

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

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months and (2) has been subject to such filing requirements for the past 90 days. x Yes ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). x Yes ☐ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). ☐ Yes x No

There were 1,459,390,757 shares of the registrant’s common stock ($0.01 par value) outstanding on September 30, 2025.

HUNTINGTON BANCSHARES INCORPORATED

INDEX

2 Huntington Bancshares Incorporated

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Glossary of Acronyms and Terms

The following listing provides a comprehensive reference of common acronyms and terms used throughout the document:

2025 3Q Form 10-Q 3

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PART I. FINANCIAL INFORMATION

When we refer to “we,” “our,” “us,” “Huntington,” and “the Company” in this Quarterly Report on Form 10-Q (this “report”), we mean Huntington Bancshares Incorporated and our consolidated subsidiaries, unless the context indicates that we refer only to the parent company, Huntington Bancshares Incorporated. When we refer to the “Bank” in this report, we mean our only bank subsidiary, The Huntington National Bank, and its subsidiaries.