ccne-20261021

CNB FINANCIAL CORP/PAFALSE000073677200007367722026-10-212026-10-210000736772us-gaap:CommonStockMember2026-10-212026-10-210000736772us-gaap:SeriesAPreferredStockMember2026-10-212026-10-21

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): October 21, 2026

CNB FINANCIAL CORPORATION

(Exact name of Registrant as specified in its Charter)

Pennsylvania001-3947225-1450605

(State or other jurisdiction of incorporation)(Commission File No.)(IRS Employer Identification Number)

1 South Second Street16830

PO Box 42(Zip Code)

Clearfield,Pennsylvania

(Address of principal executive offices)

(814) 765-9621

(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 ClassTrading Symbol(s)Name of each exchange on which registered

Common Stock, no par valueCCNEThe NASDAQ Stock Market LLC

Depositary Shares (each representing a 1/40th interest in a share of 7.125% Series A Non-Cumulative, perpetual preferred stock)CCNEPThe 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 2.02. Results of Operations and Financial Condition

On October 21, 2026, CNB Financial Corporation (NASDAQ: CCNE), the parent company of CNB Bank, issued a press release describing its results of operations for the three and nine months ended September 30, 2026. The Corporation is also making available certain supplemental information for the three and nine months ended September 30, 2026 on the Corporation’s website at https://cnbbank.q4ir.com/events-and-presentations. Copies of the earnings release and supplemental information are attached hereto as Exhibits 99.1 and 99.2, respectively.

The information included in this Current Report on Form 8-K (including Exhibits 99.1 and 99.2 hereto) shall not be deemed “filed” 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, nor shall it be deemed incorporated by reference into any filing made by the Company under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits

d. Exhibits.

Number Description

99.1 Press release of CNB Financial Corporation dated October 21, 2026

99.2 Q3 2026 Earnings Supplement

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

CNB Financial Corporation

Date: October 21, 2026By:/s/ Tito L. Lima

Tito L. Lima

Treasurer