Howard L. Kasanoff - 25 Oct 2025 Form 4 Insider Report for CULLEN/FROST BANKERS, INC. (CFR)

Signature
s/ Howard L. Kasanoff, by Kirsten Irwin under POA
Issuer symbol
CFR
Transactions as of
25 Oct 2025
Net transactions value
-$52,691
Form type
4
Filing time
27 Oct 2025, 12:39:43 UTC
Previous filing
12 Nov 2024
Next filing
30 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kasanoff Howard L. GEVP Chief Credit Officer 111 WEST HOUSTON STREET, SUITE 100, SAN ANTONIO s/ Howard L. Kasanoff, by Kirsten Irwin under POA 27 Oct 2025 0001960954

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CFR Common Stock, $0.01 par value Options Exercise $0 +1,073 +36% $0.000000 4,043 25 Oct 2025 Direct F1
transaction CFR Common Stock, $0.01 par value Tax liability $52,691 -422 -10% $124.86 3,621 25 Oct 2025 Direct
holding CFR Common Stock, $0.01 par value 3,562 25 Oct 2025 Through 401(k) Plan

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CFR Restricted Stock Units Options Exercise $0 -1,073 -100% $0.000000 0 25 Oct 2025 Common Stock 1,073 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 82 shares acquired from the Thrift Stock Plan.
F2 Each restricted stock unit represents the right to receive one share of Cullen/Frost common stock.
F3 RSU cliff vests three years from the grant date of 10-25-2022.