Company: CCNE
Filing Date: 2025-03-03
Form Type: S-4/A
Source: 0001193125-25-044149
Chunk: 246

Company: CNB FINANCIAL CORP/PA
Filing Date: 2025-03-03
Form: S-4/A
Chunk 246
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 | Filed February 1, 2024, February 13, 2024, April 18, 2024, May 2, 2024, May 14, 2024, June 13, 2024, July 11, 2024, August 1, 2024, August 13, 2024, October 31, 2024, November 12, 2024, November 14, 2024, January 10, 2025, January 30, 2025 and February 11, 2025 (other than the portions of those documents not deemed to be filed) |
| Description of CNB common stock contained in CNB’s registration statement on Form 8-A and any amendment or report filed for the purpose of updating such description. |     | Filed April 17, 1985                                                                                                                                                                                                                                                                                                                      |

This joint proxy statement/prospectus incorporates by reference the ESSA documents set forth below that have been previously filed with the SEC. These documents contain important information about ESSA and its financial condition.

| ESSA SEC Filings (SEC File Number 001-33384) 
 Annual Report on Form 10-K                   
 Quarterly Reports on Form 10-Q               |     | Period or Date Filed                                                                                             
 Year ended September 30, 2024, filed December 13, 2024 and amended on January 28, 2025                           
 Quarter ended December 31, 2024, filed February 10, 2025                                                         |
|:---------------------------------------------|:----|:-----------------------------------------------------------------------------------------------------------------|
| Current Reports on Form 8-K                  |     | Filed December 11, 2024 and January 10, 2025 (other than the portions of those documents not deemed to be filed) |

In addition, CNB and ESSA each also incorporates by reference additional documents that it may file with the SEC under Section 13(a), 13(c), 14 or 15(d) of the Exchange Act, between the date of this joint proxy statement/prospectus and the dates of the CNB annual meeting and the ESSA special meeting. These documents include Annual Reports on Form 10-K,Quarterly Reports on Form 10-Q,Current Reports on Form 8-Kand 187

proxy statements. To the extent that any information contained in any Current Report on Form 8-K,or any exhibit to such report, was furnished to, rather than filed with