Company: CVBF
Filing Date: 2025-08-04
Form Type: 8-K/A
Source: 0001193125-25-172715
Chunk: 2

Company: CVB FINANCIAL CORP
Filing Date: 2025-08-04
Form: 8-K/A
Chunk 2
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 the updated slide presentation is furnished as Exhibit 99.2 of this report to the original slide presentation furnished on Form8-Kon July 24, 2025 and supersedes the original in its entirety.Item 9.01Financial Statements and Exhibits.*(d)Exhibits.Exhibit No.Description99.1Press Release, dated July 23, 2025 (as corrected)99.2Copy of the Updated CVB Financial Corp. July 2025 slide presentation.104Cover Page Interactive Data File (embedded within the Inline XBRL document)*The information in this report (including Exhibit 99.1 and Exhibit 99.2) shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as set forth by specific reference in such filing. A copy of the updated slide presentation furnished as Exhibit 99.2 will be also available on the Company’s website at www.cbbank.com under the “Investors” tab.2
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.

| Date: August 4, 2025 |     | CVB FINANCIAL CORP. 
 (Registrant)        
 By:                 |     | /s/ E. Allen Nicholson                               |
|:---------------------|:----|:--------------------|:----|:-----------------------------------------------------|
|                      |     |                     |     | E. Allen Nicholson                                   |
|                      |     |                     |     | Executive Vice President and Chief Financial Officer |

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