Cullen/Frost (CFR) director awarded 630 deferred stock units, now holds 5,584

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Form Type

Rhea-AI Filing Summary

Comparin Cynthia Jane reported acquisition or exercise transactions in this Form 4 filing.

CULLEN/FROST BANKERS, INC. director Cynthia Jane Comparin received an award of 630 deferred stock units linked to the company’s common stock. Each deferred stock unit represents the right to receive one share of common stock.

The deferred stock units vested on April 29, 2026, and the shares will be delivered to her when she experiences a separation from service with the company. Following this grant, she holds a total of 5,584 deferred stock units directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Comparin Cynthia Jane

Role Director

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

Holdings After Transaction: Deferred Stock Units — 5,584 shares (Direct)

Footnotes (2)

F1. Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock.
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 awarded: 630 units Total deferred stock units after award: 5,584 units Grant price per unit: $0.00 +2 more

5 metrics

Deferred stock units awarded 630 units Grant on April 29, 2026 to director Cynthia Jane Comparin

Total deferred stock units after award 5,584 units Held directly by Cynthia Jane Comparin following the transaction

Grant price per unit $0.00 Compensation-related award of deferred stock units

Underlying common shares 630 shares Each deferred stock unit represents one share of common stock

Vesting date April 29, 2026 Deferred stock units vested on this date

Key Terms

Deferred Stock Units, separation from service, grant/award acquisition, Form 4

4 terms

Deferred Stock Units financial

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

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 to the reporting person on the date when the reporting person experiences a separation from service with Cullen/Frost Bankers, Inc."

grant/award acquisition financial

"transaction_action: grant/award acquisition"

Form 4 regulatory

"What insider transaction did CFR director Cynthia Jane Comparin report on this Form 4?"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 05/27/2026 - 02:02 PM

FAQ

What insider transaction did CFR director Cynthia Jane Comparin report on this Form 4?

Cynthia Jane Comparin reported receiving 630 deferred stock units tied to Cullen/Frost Bankers, Inc. common stock. This is a compensation-related award, not an open-market purchase or sale, and increases her directly held deferred stock unit balance.

How many Cullen/Frost (CFR) deferred stock units does Cynthia Jane Comparin hold after this award?

After the April 29, 2026 award, Cynthia Jane Comparin holds 5,584 deferred stock units. These units each represent the right to receive one share of Cullen/Frost Bankers, Inc. common stock in the future under the company’s deferral arrangements.

When do Cynthia Jane Comparin’s new Cullen/Frost (CFR) deferred stock units vest and settle?

The 630 deferred stock units vested on April 29, 2026. Actual delivery of the underlying Cullen/Frost Bankers, Inc. common shares will occur when she experiences a separation from service with the company, according to the award terms.

Does the Form 4 for Cullen/Frost (CFR) show Cynthia Jane Comparin buying or selling shares on the market?

The Form 4 does not show any open-market buying or selling. It reports a grant of 630 deferred stock units as a compensation-related acquisition, with no cash price per unit and no corresponding market sale or purchase.

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

Each deferred stock unit represents the right to receive one share of Cullen/Frost Bankers, Inc. common stock. The units are bookkeeping entries for deferred compensation, delivering actual shares to her after separation from service under the plan’s rules.

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^*

Comparin Cynthia Jane

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Deferred Stock Units	⁽¹⁾	04/29/2026		A		630		⁽²⁾	⁽²⁾	Common Stock	630	$0	5,584	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/ Cynthia Comparin by POA under Kirsten Irwin	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)

Source: View Original Filing on SEC EDGAR