Trustmark officer reports equity award vesting

Trustmark Corp principal accounting officer George T. Chambers Jr. reported equity compensation activity in company common stock.

Rhea-AI Filing Summary

Trustmark Corp principal accounting officer George T. Chambers Jr. reported equity compensation activity in company common stock. He acquired 4,105 shares on February 17, 2026 at a stated price of $0.0000 per share from a grant/award, raising his direct holdings to 23,741 shares before related tax actions. On the same date, 1,205 shares at $44.82 per share were disposed of to cover tax withholding obligations tied to this vesting, leaving him with 22,536 directly owned shares afterward. Footnotes state the grant reflects 165% vesting of a performance-based restricted stock award originally granted on February 15, 2023, with the performance period ending on December 31, 2025 and vesting certified on February 17, 2026.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Chambers George T. Jr.

Role Principal Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,105	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	1,205	$44.82	$54K

Holdings After Transaction: Common Stock — 22,536 shares (Direct)

Footnotes (2)

1. F1. Reflects 165% vesting of performance-based restricted stock award 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. F2. Shares withheld to satisfy tax withholding obligations in connection with vesting of performance-based restricted stock granted February 15, 2023.

FAQ

What insider transactions did Trustmark Corp (TRMK) report for George T. Chambers Jr.?

Trustmark’s principal accounting officer George T. Chambers Jr. acquired 4,105 common shares through a grant on February 17, 2026. On the same day, 1,205 shares were withheld and disposed at $44.82 per share to satisfy tax obligations linked to this vesting.

Was the Trustmark (TRMK) Form 4 transaction an open-market buy or sell?

The Form 4 shows no open-market buying or selling by George T. Chambers Jr. Shares were acquired via a grant and some were disposed solely to cover tax withholding linked to vesting of a prior performance-based restricted stock award.

How many Trustmark (TRMK) shares does George T. Chambers Jr. own after this Form 4?

After the reported grant and related tax-withholding disposition, George T. Chambers Jr. directly owns 22,536 Trustmark common shares. This reflects the vesting of performance-based restricted stock and the automatic share withholding to meet associated tax liabilities.

What performance award drove the Trustmark (TRMK) share grant to George T. Chambers Jr.?

The grant reflects 165% vesting of a performance-based restricted stock award granted February 15, 2023. The performance period ended December 31, 2025, and vesting was certified by the Human Resources Committee on February 17, 2026, under Trustmark’s stock and incentive plan.

Why were some Trustmark (TRMK) shares disposed in George T. Chambers Jr.’s Form 4?

The 1,205 shares reported as disposed were withheld to satisfy tax withholding obligations. These obligations arose in connection with the vesting of performance-based restricted stock originally granted on February 15, 2023, rather than from a discretionary market sale.

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Accepted by SEC EDGAR 02/18/2026 - 03:22 PM Learn about SEC filing dates

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^*

Chambers George T. Jr.

(Last) (First) (Middle)

P.O. BOX 291

(Street)

JACKSON MS 39205-0291

(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)

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

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		4,105(1)	A	$0	23,741	D
Common Stock	02/17/2026		F		1,205(2)	D	$44.82	22,536	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

Explanation of Responses:

1. Reflects 165% vesting of performance-based restricted stock award 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 granted February 15, 2023.

	George T. Chambers, Jr., 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).
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