Trustmark Corp (TRMK) CEO reports stock award vesting and tax-share withholding

Rhea-AI Filing Summary

Trustmark Corp President & CEO Duane A. Dewey reported a mix of equity award vesting and tax-related share withholding in common stock. He acquired 23,260 shares on February 17, 2026 at $0.00 per share from a performance-based restricted stock unit award granted on February 15, 2023, which vested at 165% after the performance period ended on December 31, 2025. To cover tax withholding obligations tied to this vesting, 8,847 shares were disposed of at $44.82 per share. Following these transactions, Dewey directly owned 148,294 shares of common stock and indirectly held 5,757 shares through a company-sponsored 401(k) plan.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider DEWEY DUANE A

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	23,260	$0.00	--
Tax Withholding	Common Stock	8,847	$44.82	$397K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 157,141 shares (Direct); Common Stock — 5,757 shares (Indirect, By Company-Sponsored 401(k))

Footnotes (1)

1. Reflects 165% vesting of performance-based restricted stock units granted February 15, 2023, under the Trustmark Corporation Amended and Restated Stock and Incentive Compensation Plan. The performance period for the award ended on December 31, 2025, and vesting of the award was certified by the Human Resources Committee on February 17, 2026. Shares withheld to satisfy tax withholding obligations in connection with vesting of performance-based restricted stock units granted February 15, 2023.

Form 4 Insider Transactions: What Each Field Means →

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
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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^*

DEWEY DUANE A

(Last) (First) (Middle)

P. O. BOX 291

(Street)

JACKSON MS 39205

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TRUSTMARK CORP [ TRMK ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

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	02/17/2026		A		23,260(1)	A	$0	157,141	D
Common Stock	02/17/2026		F		8,847(2)	D	$44.82	148,294	D
Common Stock								5,757	I	By Company-Sponsored 401(k)

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

Explanation of Responses:

1. Reflects 165% vesting of performance-based restricted stock units granted February 15, 2023, under the Trustmark Corporation Amended and Restated Stock and Incentive Compensation Plan. The performance period for the award ended on December 31, 2025, and vesting of the award was certified by the Human Resources Committee on February 17, 2026.

2. Shares withheld to satisfy tax withholding obligations in connection with vesting of performance-based restricted stock units granted February 15, 2023.

	Duane Dewey by Granville Tate, Jr., POA	02/18/2026
	** 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.
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FAQ

What insider transactions did Trustmark Corp (TRMK) CEO Duane Dewey report?

Duane Dewey reported a stock award vesting and related tax-share withholding. He acquired 23,260 common shares at $0.00 per share from performance-based restricted stock units and had 8,847 shares withheld at $44.82 per share to satisfy tax obligations tied to the vesting.

How many Trustmark Corp (TRMK) shares did the CEO acquire in this Form 4?

The CEO acquired 23,260 Trustmark common shares via a performance-based restricted stock unit grant. These units, granted February 15, 2023, vested at 165% after the performance period ended December 31, 2025, with vesting certified by the Human Resources Committee on February 17, 2026.

Why were 8,847 Trustmark Corp (TRMK) shares disposed of in this filing?

The 8,847 shares were withheld to cover tax withholding obligations from the vesting of performance-based restricted stock units granted February 15, 2023. This disposition, priced at $44.82 per share, reflects a tax-withholding transaction rather than an open-market sale by the CEO.

What is Duane Dewey’s share ownership in Trustmark Corp (TRMK) after the transactions?

After the reported transactions, Duane Dewey directly owned 148,294 Trustmark common shares. He also indirectly held 5,757 additional shares through a company-sponsored 401(k) plan, reflecting his total reported equity stake following the award vesting and tax-share withholding.

What is the nature of the equity award reported by Trustmark Corp (TRMK) CEO?

The equity award is a performance-based restricted stock unit grant made on February 15, 2023. It vested at 165% after a performance period ending December 31, 2025, with vesting officially certified by the Human Resources Committee on February 17, 2026 for the reported share amount.