Phillip D. Green - 24 Oct 2026 Form 4 Insider Report for CULLEN/FROST BANKERS, INC. (CFR)

Reporting relationship: Chairman and CEO, Director
Issuer ticker: CFR
Reported as of: 24 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 Oct 2026, 17:22:26 UTC
Prior SEC filing: 11 Feb 2026
Next SEC filing: 29 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Phillip D. Green, by Kirsten Irwin under POA

Filing notes and source

Key filing fact

Phillip D. Green filed Form 4 for CULLEN/FROST BANKERS, INC. (CFR) on 26 Oct 2026.

Key facts

This page summarizes Phillip D. Green's Form 4 filing for CULLEN/FROST BANKERS, INC. (CFR).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 Oct 2026, 17:22.

Change

Previous filing in this sequence was filed on 11 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001128404 Primary reporting owner

GREEN PHILLIP D

Relationship: Chairman and CEO, Director
Address: 111 WEST HOUSTON STREET, SAN ANTONIO
Signature: /s/ Phillip D. Green, by Kirsten Irwin under POA
Signature date: 26 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CFR transaction

Common Stock, $0.01 par value

Options Exercise

Transaction value
Shares: +20,045
Change %: +18%
Price: $0.000000^*
Shares after: 130,924
Date: 24 Oct 2026
Ownership: Direct

CFR transaction

Common Stock, $0.01 par value

Tax liability

Transaction value
Shares: -7,888
Change %: -6%
Price: $157.05^*
Shares after: 123,036
Date: 24 Oct 2026
Ownership: Direct

CFR holding

Common Stock, $0.01 par value

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 38,865
Date: 24 Oct 2026
Ownership: Trusts for children
Footnotes: F1

CFR holding

Common Stock, $0.01 par value

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,100
Date: 24 Oct 2026
Ownership: By Spouse

CFR holding

Common Stock, $0.01 par value

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 381
Date: 24 Oct 2026
Ownership: Through 401(k) Plan

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CFR transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: +20,045
Change %
Price: $0.000000^*
Shares after: 0
Date: 24 Oct 2026
Ownership: Direct
Underlying class: Common Stock, $0.01 par value
Underlying amount: 20,045
Exercise price: $0.000000
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Some of Mr. Green's children are beneficiaries of trusts of which Mr. Green is a trustee.

Footnote F2

Each restricted stock unit represents the right to receive one share of Cullen/Frost common stock.

Footnote F3

Cliff vested three years from the date of grant.