[Form 4] COMERICA INC Insider Trading Activity

Rhea-AI Filing Summary

Comerica Inc. senior executive Melinda A. Chausse reported multiple stock option exercises and related share withholding transactions. On November 17, 2025, she exercised employee stock options to acquire 1,295 shares at $67.66, 2,425 shares at $63.15, 3,140 shares at $60.12, 1,525 shares at $71.16, and 917 shares at $53.96 of Comerica common stock. The filing also shows a transaction coded "F" for 8,368 shares at $75.75, described as shares withheld to cover the exercise price and tax obligations. After these transactions, she directly owned 62,070 shares of Comerica common stock as of November 17, 2025.

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

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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^*

CHAUSSE MELINDA A.

(Last) (First) (Middle)

1717 MAIN STREET

(Street)

DALLAS TX 75201

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COMERICA INC [ CMA ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr EVP & Chief Credit Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/17/2025

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

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

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

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
Common Stock	11/17/2025		M		1,295	A	$67.66	62,431(1)	D
Common Stock	11/17/2025		M		2,425	A	$63.15	64,856(1)	D
Common Stock	11/17/2025		M		3,140	A	$60.12	67,996(1)	D
Common Stock	11/17/2025		M		1,525	A	$71.16	69,521(1)	D
Common Stock	11/17/2025		M		917	A	$53.96	70,438(1)	D
Common Stock	11/17/2025		F		8,368(2)	D	$75.75	62,070(1)	D

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
Employee Stock Option (right to buy)	$67.66	11/17/2025		M			1,295	01/24/2018(3)	01/24/2027	Common Stock	1,295	$0	0	D
Employee Stock Option (right to buy)	$63.15	11/17/2025		M			2,425	01/28/2021(3)	01/28/2030	Common Stock	2,425	$0	0	D
Employee Stock Option (right to buy)	$60.12	11/17/2025		M			3,140	01/26/2022(3)	01/26/2031	Common Stock	3,140	$0	0	D
Employee Stock Option (right to buy)	$71.16	11/17/2025		M			1,525	01/24/2024(3)	01/24/2033	Common Stock	1,525	$0	1,525	D
Employee Stock Option (right to buy)	$53.96	11/17/2025		M			917	01/23/2025(3)	01/23/2034	Common Stock	917	$0	2,753	D
Employee Stock Option (right to buy)	$95.25							01/23/2019(3)	01/23/2028	Common Stock	1,035		1,035	D
Employee Stock Option (right to buy)	$80.17							01/22/2020(3)	01/22/2029	Common Stock	1,365		1,365	D
Employee Stock Option (right to buy)	$92.58							01/25/2023(3)	01/25/2032	Common Stock	2,110		2,110	D

Explanation of Responses:

1. Includes shares acquired through employee stock plans, shares purchased with reinvested dividends and restricted stock units as of November 17, 2025.

2. Reflects aggregate shares withheld for payment of exercise price and to satisfy tax withholding obligations.

3. The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column.

Remarks:

	/s/ Steven Franklin on behalf of Melinda A. Chausse through Power of Attorney	11/18/2025
	** 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.

FAQ

What did Comerica (CMA) executive Melinda A. Chausse report on this Form 4?

Melinda A. Chausse, Sr EVP & Chief Credit Officer of Comerica Inc. (CMA), reported exercising several employee stock options for Comerica common stock and a related share withholding transaction to cover the exercise price and tax obligations.

How many Comerica (CMA) shares does Melinda A. Chausse own after the reported transactions?

Following the reported option exercises and share withholding on November 17, 2025, Melinda A. Chausse directly owned 62,070 shares of Comerica common stock.

What stock option exercises did the Comerica (CMA) executive complete on November 17, 2025?

On November 17, 2025, the executive exercised employee stock options to acquire 1,295 shares at $67.66, 2,425 shares at $63.15, 3,140 shares at $60.12, 1,525 shares at $71.16, and 917 shares at $53.96 of Comerica common stock.

What does the 8,368-share transaction coded "F" mean in the Comerica (CMA) Form 4?

The transaction coded "F" for 8,368 shares at $75.75 reflects shares withheld to pay the option exercise price and satisfy tax withholding obligations, rather than an open-market sale.

What is Melinda A. Chausse’s role at Comerica (CMA)?

Melinda A. Chausse is reported as an officer of Comerica Inc. with the title Sr EVP & Chief Credit Officer on this Form 4.

What types of securities are reported in this Comerica (CMA) Form 4?

The filing reports transactions in Comerica common stock and related employee stock options (rights to buy), including both exercised options and remaining option grants with future expiration dates.