0000318300FALSE00003183002026-09-282026-09-28
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): September 28, 2026

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| PEOPLES BANCORP INC. | |
| (Exact name of Registrant as specified in its charter) | |
| | | | | | | | | | | | | | |
| Ohio | | 000-16772 | | 31-0987416 |
| (State or other jurisdiction | | (Commission File | | (I.R.S. Employer |
| of incorporation) | | Number) | | Identification Number) |
| | | | | | | | | | | | | | | | | |
| 138 Putnam Street, PO Box 738 | | | |
| Marietta, | Ohio | | 45750-0738 | |
| (Address of principal executive offices) | | (Zip Code) | |
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| Registrant's telephone number, including area code: | | (740) | | 373-3155 | |
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| 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 | PEBO | The Nasdaq Stock 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 ☐
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 8.01 Other Events
On September 28, 2026, Peoples Bancorp Inc. (“Peoples”), parent company of Peoples Bank, issued a press release announcing that it has received all necessary regulatory approvals for the merger between Peoples and Citizens National Corporation (“Citizens”), with Peoples as the surviving corporation (the “Merger”), and for the merger between Peoples Bank and Citizens’ wholly owned subsidiary, Citizens Bank of Kentucky, Inc., with Peoples Bank as the surviving bank.
The Agreement and Plan of Merger dated as of April 20, 2026, by and between Peoples and Citizens, was approved by Citizens’ shareholders on August 6, 2026.
A copy of the press release is attached hereto as Exhibit 99 and is incorporated herein by reference.
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.
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| | | PEOPLES BANCORP INC. | |
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| Date: | September 28, 2026 | By:/s/ | KATIE BAILEY | |
| | | Katie Bailey | |
| | | | |
| | | Executive Vice President, Chief Financial Officer and Treasurer | |
INDEX TO EXHIBITS
| | | | | | | | |
| Exhibit Number | | Description |
99 | | Press Release Issued by Peoples Bancorp Inc. on September 28, 2026 |
| 104 | | Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document) |
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| P.O. BOX 738 - MARIETTA, OHIO - 45750 | NEWS RELEASE |
| www.peoplesbancorp.com | |
| | | |
| FOR IMMEDIATE RELEASE | | Contact: | Tyler J. Wilcox |
| September 28, 2026 | | | President and CEO |
| | | (740) 373-7737 |
PEOPLES BANCORP INC. RECEIVES REGULATORY APPROVALS OF ITS MERGER WITH CITIZENS NATIONAL CORPORATION
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MARIETTA, Ohio - Peoples Bancorp Inc. (“Peoples”) (Nasdaq: PEBO), parent company of Peoples Bank, announced today that it has received all necessary regulatory approvals for the merger between Peoples and Citizens National Corporation (“Citizens”) (OTCPK: CZNL), with Peoples as the surviving corporation (the “Merger”), and for the merger between Peoples Bank and Citizens’ wholly owned subsidiary, Citizens Bank of Kentucky, Inc.
The Agreement and Plan of Merger dated as of April 20, 2026, between Peoples and Citizens (the “Merger Agreement”), was approved by Citizens’ shareholders on August 6, 2026.
About Peoples:
Peoples is a diversified financial services holding company that makes available a complete line of banking, trust and investment, insurance, premium financing and equipment leasing solutions through its subsidiaries. Peoples has been headquartered in Marietta, Ohio, since 1902 and has an established heritage of financial stability, growth and community impact. As of June 30, 2026, Peoples had $9.5 billion in total assets, 144 locations, including 127 full-service bank branches in Ohio, Kentucky, West Virginia, Virginia, Washington D.C., and Maryland.
Peoples is a member of the Russell 3000 index of U.S. publicly-traded companies. Peoples offers services through Peoples Bank (which includes the divisions of Peoples Investment Services, Peoples Premium Finance, Peoples Life Premium Finance, and North Star Leasing), Peoples Insurance Agency, LLC, and Vantage Financial, LLC.
END OF RELEASE