Form of Certificate representing the 7.125% Series A Fixed-Rated Non-Cumulative Perpetual Preferred Stock

Exhibit 4.1

FULLY PAID AND NON-ASSESSABLE SHARES OF 7.125% FIXED-RATE NON-CUMULATIVE PERPETUAL PREFERRED STOCK, SERIES A, NO PAR VALUE PER SHARE, OF

CNB FINANCIAL CORPORATION

(the “Corporation”) transferable on the books of the Corporation by the holder hereof in person or by its duly authorized attorney, upon surrender of this Certificate properly endorsed. This Certificate and the shares represented hereby are issued and shall be held subject to all of the provisions of the Second Amended and Restated Articles of Incorporation of the Corporation (the “Charter”), the Statement with Respect to Shares of the 7.125% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock effective August 25, 2020 (the “Statement with Respect to Shares”) and the Second Amended and Restated Bylaws of the Corporation (the “Bylaws”) and any amendments thereto. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar.

[SEAL]

IMPORTANT NOTICE

THE CORPORATION WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER WHO SO REQUESTS, THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE CORPORATION AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE CHARTER OF THE CORPORATION, THE STATEMENT WITH RESPECT TO SHARES AND THE RESOLUTIONS OF THE BOARD OF DIRECTORS OF THE CORPORATION AND THE AUTHORITY OF THE BOARD OF DIRECTORS TO DETERMINE VARIATIONS FOR FUTURE SERIES. SUCH REQUEST MAY BE MADE TO THE OFFICE OF THE SECRETARY OF THE CORPORATION OR TO THE TRANSFER AGENT. THE BOARD OF DIRECTORS MAY REQUIRE THE OWNER OF A LOST OR DESTROYED STOCK CERTIFICATE, OR HIS LEGAL REPRESENTATIVES, TO GIVE THE CORPORATION A BOND TO INDEMNIFY IT AND ITS TRANSFER AGENTS AND REGISTRARS AGAINST ANY CLAIM THAT MAY BE MADE AGAINST THEM ON ACCOUNT OF THE ALLEGED LOSS OR DESTRUCTION OF ANY SUCH CERTIFICATE.

KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST. STOLEN OR DESTROYED, THE CORPORATION MAY REQUIRE A BOND OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A REPLACEMENT CERTIFICATE.

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The following abbreviations, when used in the inscription on the face of this Certificate, shall be construed as though they were written out in full according to applicable laws or regulations:

Additional abbreviations may also be used though not in the above list.

For Value Received,                                                   hereby sell, assign and transfer unto

PLEASE INSERT SOCIAL SECURITY OR OTHER

IDENTIFYING NUMBER OF ASSIGNEE

(Please Print or Typewrite Name and Address, Including Zip Code, of Assignee)

Shares of the 7.125% Fixed-Rate Non-Cumulative Perpetual Preferred Shares, Series A, no par value per share, of the Corporation represented by the within Certificate, and do hereby irrevocably constitute and appoint                                                                                        attorney to transfer the said shares on the books of the within named Corporation with full power of substitution in the premises.

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