Cullen/Frost director granted 630 deferred units

HAEMISEGGER DAVID J reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 05/27/2026 - 02:11 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

HAEMISEGGER DAVID J reported acquisition or exercise transactions in this Form 4 filing.

CULLEN/FROST BANKERS, INC. director David J. Haemisegger received a grant of 630 deferred stock units, each representing one share of common stock. These deferred stock units vested on April 29, 2026, and shares will be delivered after he experiences a separation from service with the company. Following this award, he holds 10,924 deferred stock units directly.

Insider Trade Summary

Grant/Award: 630 shares

Grant/Award 1 txn

Insider HAEMISEGGER DAVID J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Stock Units	630	$0.00	$0.00

Holdings After Transaction: Deferred Stock Units — 10,924 contracts (Direct)

Footnotes (2)

1. F1. Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock.
2. F2. The deferred stock units vested on April 29, 2026. Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc.

Key Figures

Deferred stock units granted: 630 units Units after transaction: 10,924 units Unit-to-share ratio: 1 unit : 1 share +1 more

4 metrics

Deferred stock units granted 630 units Grant/award acquisition on April 29, 2026

Units after transaction 10,924 units Total deferred stock units following grant

Unit-to-share ratio 1 unit : 1 share Each deferred stock unit equals one common share

Vest date April 29, 2026 Deferred stock units fully vested on this date

Key Terms

Deferred Stock Units, separation from service, underlying security

3 terms

Deferred Stock Units financial

"Each deferred stock unit represents the right to receive one share"

Deferred stock units are promises from a company to give an employee shares of stock at a future date, often after certain conditions are met or after leaving the company. They function like a form of delayed compensation, allowing employees to earn shares over time. For investors, they represent potential future ownership in the company, but do not provide immediate voting rights or dividends until the shares are actually received.

separation from service financial

"Shares will be delivered on the date when the reporting person experiences a separation from service"

underlying security financial

"underlying_security_title": "Common Stock""

FAQ

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

What did CFR director David Haemisegger report on this Form 4?

David J. Haemisegger reported receiving 630 deferred stock units tied to Cullen/Frost common stock. The award increased his direct deferred stock unit holdings to 10,924, reflecting routine compensation rather than an open-market purchase or sale of shares.

How many deferred stock units were granted to CFR director Haemisegger?

He was granted 630 deferred stock units, each representing one share of Cullen/Frost common stock. This grant is recorded at a price of $0.0000 per unit, indicating a compensation-related award rather than a market transaction involving cash consideration.

When do David Haemisegger’s CFR deferred stock units vest and settle?

The deferred stock units vested on April 29, 2026. Actual Cullen/Frost common shares corresponding to these units will be delivered to David Haemisegger only when he experiences a separation from service with the company, deferring receipt until his board service ends.

What does each deferred stock unit represent for Cullen/Frost (CFR)?

Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock. This means 630 new units entitle David Haemisegger to 630 common shares upon settlement after his separation from service with the company.

How many deferred stock units does Haemisegger hold after this CFR award?

After the reported grant, David Haemisegger holds 10,924 deferred stock units directly. Each unit is linked to one share of common stock, so this balance indicates his total outstanding deferred equity awards awaiting future settlement in Cullen/Frost shares.

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

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HAEMISEGGER DAVID J

(Last) (First) (Middle)

111 WEST HOUSTON STREET

(Street)

SAN ANTONIO TEXAS 78205

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CULLEN/FROST BANKERS, INC. [ CFR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Deferred Stock Units	(1)	04/29/2026		A		630		(2)	(2)	Common Stock	630	$0	10,924	D

Explanation of Responses:

1. Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock.

2. The deferred stock units vested on April 29, 2026. Shares will be delivered to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc.

Remarks:

	/s/ David J. Haemisegger, by Kirsten Irwin under POA	05/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)