Form 8-K

8-K — PARK NATIONAL CORP /OH/

Accession: 0000805676-26-000062

Filed: 2026-08-07

Period: 2026-08-07

CIK: 0000805676

SIC: 6021 (NATIONAL COMMERCIAL BANKS)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — prk-20260807.htm (Primary)

EX-99.1 (q22026investorslides-fin.htm)

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8-K

8-K (Primary)

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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) August 7, 2026

PARK NATIONAL CORPORATION

(Exact name of registrant as specified in its charter)

Ohio 1-13006 31-1179518

(State or other jurisdiction (Commission (IRS Employer

of incorporation) File Number) Identification No.)

50 North Third Street, P.O. Box 3500, Newark, Ohio 43058-3500

(Address of principal executive offices) (Zip Code)

(740) 349-8451

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report.)

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:

☐ 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 shares, without par value PRK NYSE American

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

Park National Corporation ("Park"), hereby furnishes the Investor Presentation that Park may present to analysts and investors on or after August 7, 2026. The slides are furnished in this Current Report on Form 8-K, pursuant to this Item 7.01, as Exhibit 99.1, and are incorporated herein by reference. The slides are also available in the "SEC Filings" section of Park's web site at www.parknationalcorp.com.

Without limiting the generality of the foregoing, the text of the slide entitled "Safe Harbor Statement" is incorporated by reference into this Item 7.01.

No part of this Current Report on Form 8-K shall be deemed incorporated by reference into any registration statement filed by Park under the Securities Act of 1933.

Item 9.01 - Financial Statements and Exhibits.

(a)Not applicable

(b)Not applicable

(c)Not applicable

(d)Exhibits. The following exhibits are included with this Current Report on Form 8-K:

Exhibit No. Description

99.1 Park National Corporation Investor Presentation (furnished pursuant to Item 7.01 hereof).

104 Cover Page Interactive Data File (the cover page XBRL tags are 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 hereunto duly authorized.

PARK NATIONAL CORPORATION

Dated: August 7, 2026 By: /s/ Brady T. Burt

Brady T. Burt

Chief Financial Officer, Secretary and Treasurer

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