Cullen/Frost Bankers files 8-K on Q3 2025 results; Exhibit 99.1

Cullen/Frost Bankers, Inc. furnished an 8-K announcing it issued a press release covering financial results for the quarter ended September 30, 2025.

Rhea-AI Filing Summary

Cullen/Frost Bankers, Inc. furnished an 8-K announcing it issued a press release covering financial results for the quarter ended September 30, 2025. The press release is attached as Exhibit 99.1 and incorporated by reference into Item 2.02.

The company notes the information provided under Item 2.02 is furnished and not deemed filed under the Exchange Act. Additional exhibits include the cover page Inline XBRL data (Exhibit 104).

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Cullen/Frost Bankers (CFR) disclose in this 8-K?

The company furnished a press release as Exhibit 99.1 detailing financial results for the quarter ended September 30, 2025.

Which 8-K item does the disclosure relate to for CFR?

It relates to Item 2.02 (Results of Operations and Financial Condition).

Is the information in CFR’s 8-K considered filed or furnished?

The Item 2.02 information is furnished and not deemed filed under the Exchange Act.

What exhibits are included with CFR’s 8-K?

Exhibits include 99.1 (Press Release) and 104 (Cover Page Inline XBRL tags).

What period do the disclosed results cover for CFR?

The results cover the quarter ended September 30, 2025.

On which exchange does CFR trade and under what symbols?

Common stock trades on the NYSE under CFR; depositary shares for Series B preferred trade under CFR.PrB.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/30/2025 - 09:35 AM Learn about SEC filing dates

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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 30, 2025

Cullen/Frost Bankers, Inc.

(Exact name of registrant as specified in its charter)

Texas

001-13221

74-1751768

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification No.)

111 W. Houston Street,

San Antonio,

Texas

78205

(Address of principal executive offices)

(Zip code)

			(210)			220-4011
(Registrant's telephone number, including area code)

N/A

(Former name, former address and former fiscal year, 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 Stock, $.01 Par Value

CFR

New York Stock Exchange

Depositary Shares, each representing a 1/40th interest in a share of 4.450% Non-Cumulative Perpetual Preferred Stock, Series B

CFR.PrB

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in 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

Attached as Exhibit 99.1 and incorporated into this item by reference is a press release issued by the Registrant on October 30, 2025 regarding its financial results for the quarter ended September 30, 2025. The information furnished by the Registrant pursuant to this item shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934.

Item 9.01    Financial Statements and Exhibits

(d)   Exhibits:

99.1    Press Release.

104    Cover Page Interactive Data File - The cover page XBRL tags are 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.

    CULLEN/FROST BANKERS, INC.

    By:    /s/ Daniel J. Geddes    

        Daniel J. Geddes

        Group Executive Vice President

        and Chief Financial Officer

    Dated:    October 30, 2025

EXHIBIT INDEX

Exhibit Number						Description
99.1						Press Release.
104						Cover Page Interactive Data File - The cover page XBRL tags are embedded within the inline XBRL document.