Annette M. Alonzo - Oct 25, 2025 Form 4 Insider Report for CULLEN/FROST BANKERS, INC. (CFR)

Role
GEVP Chief HR Officer
Signature
/s/ Annette M. Alonzo, by Kirsten Irwin under POA
Stock symbol
CFR
Transactions as of
Oct 25, 2025
Transactions value $
-$97,765
Form type
4
Date filed
10/27/2025, 12:31 PM
Previous filing
Feb 7, 2025
Next filing
Oct 30, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Alonzo Annette M GEVP Chief HR Officer 111 WEST HOUSTON STREET, SAN ANTONIO /s/ Annette M. Alonzo, by Kirsten Irwin under POA 2025-10-27 0001649840

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 +1.99K +11.17% $0.00 19.8K Oct 25, 2025 Direct
transaction CFR Common Stock, $0.01 par value Tax liability -$97.8K -783 -3.95% $124.86 19K Oct 25, 2025 Direct
holding CFR Common Stock, $0.01 par value 15.6K Oct 25, 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 -1.99K -100% $0.00 0 Oct 25, 2025 Common Stock 1.99K Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents the right to receive one share of Cullen/Frost common stock.
F2 Cliff vested three years from grant date of 10/25/2022.