Duane A. Dewey - 17 Feb 2026 Form 4 Insider Report for TRUSTMARK CORP (TRMK)

Role: President & CEO, Director
Signature: Duane Dewey by Granville Tate, Jr., POA
Issuer symbol: TRMK
Transactions as of: 17 Feb 2026
Net transactions value: -$396,523
Form type: 4
Filing time: 18 Feb 2026, 15:25:45 UTC
Previous filing: 17 Feb 2026
Next filing: 20 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
DEWEY DUANE A	President & CEO, Director	P. O. BOX 291, JACKSON	Duane Dewey by Granville Tate, Jr., POA	18 Feb 2026	0001263552

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TRMK	Common Stock	Award	$0	+23,260	+17%	$0.000000	157,141	17 Feb 2026	Direct	F1
transaction	TRMK	Common Stock	Tax liability	$396,523	-8,847	-5.6%	$44.82	148,294	17 Feb 2026	Direct	F2
holding	TRMK	Common Stock						5,757	17 Feb 2026	By Company-Sponsored 401(k)

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	Shares withheld to satisfy tax withholding obligations in connection with vesting of performance-based restricted stock units granted February 15, 2023.