Trustmark (TRMK) executive equity award vests with tax-share disposition

Rhea-AI Filing Summary

Trustmark Corporation executive Monica A. Day reported equity award activity. On February 17, 2026, she acquired 6,841 shares of common stock at no cost from a 165% vesting of performance-based restricted stock units granted on February 15, 2023. On the same date, 1,940 shares at $44.82 were disposed of to cover tax withholding, leaving her with 44,651 directly owned shares.

Insights

Equity Compensation Analyst

Routine award vesting with tax-share withholding; no open-market trading.

Monica A. Day, an executive officer of Trustmark Corporation, reported a 165% vesting of performance-based restricted stock units granted on February 15, 2023. This resulted in an acquisition of 6,841 common shares at $0.0000 per share.

Separately, 1,940 shares at $44.82 were disposed of to satisfy tax withholding obligations linked to the vesting, a common non-cash mechanism. After these transactions, her directly owned stake stands at 44,651 shares, reflecting compensation-related adjustments rather than discretionary market purchases or sales.

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

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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^*

Day Monica 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)

	Director		10% Owner
X	Officer (give title below)	X	Other (specify below)
	Executive Officer		Wholly-Owned Subsidiary

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		6,841(1)	A	$0	46,591	D
Common Stock	02/17/2026		F		1,940(2)	D	$44.82	44,651	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 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.

	Monica A. Day 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.
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 insider transactions did Trustmark (TRMK) executive Monica A. Day report?

Monica A. Day reported two transactions on February 17, 2026: an acquisition of 6,841 Trustmark common shares from vested performance-based restricted stock units and a disposition of 1,940 shares to cover tax withholding, ending with 44,651 directly owned shares.

Were Monica A. Day’s Trustmark (TRMK) share transactions open-market buys or sells?

The reported transactions were not open-market trades. Shares were acquired through vesting of performance-based restricted stock units and some shares were disposed of solely to satisfy tax withholding obligations tied to that vesting event.

What performance award vested for Monica A. Day at Trustmark (TRMK)?

The filing shows 165% vesting of performance-based restricted stock units granted on February 15, 2023, under Trustmark’s Stock and Incentive Compensation Plan, following a performance period that ended December 31, 2025 and certification on February 17, 2026.

How many Trustmark (TRMK) shares does Monica A. Day own after these transactions?

After the February 17, 2026 transactions, Monica A. Day directly owns 44,651 Trustmark common shares. This figure reflects both the vested award shares she received and the shares withheld to satisfy related tax obligations.

Why were 1,940 Trustmark (TRMK) shares disposed of at $44.82 for Monica A. Day?

The 1,940 shares at $44.82 were withheld and disposed of to pay tax withholding obligations arising from the vesting of performance-based restricted stock units granted February 15, 2023, according to the footnote disclosure in the Form 4.

What does transaction code A and F mean in Monica A. Day’s Trustmark (TRMK) Form 4?

Transaction code A indicates a grant, award, or other acquisition of shares, here from vested performance-based units. Transaction code F represents a disposition of shares used to pay exercise price or tax liabilities, in this case to satisfy tax withholding obligations.