[Form 4] Trustmark Corp Insider Trading Activity

Rhea-AI Filing Summary

Gerard R. Host, a director of Trustmark Corporation (TRMK), reported multiple transactions on 08/18/2025. The filing shows a sale of 20,970 shares of Trustmark common stock at $38.49 per share, reported with transaction code S, resulting in beneficial ownership of 158,360 shares immediately after that sale as shown in the table. The filing also records a series of transfers coded G of 389 shares each to named trusts on the same date, with the table showing successive reductions in direct ownership down to 156,804 shares. The Form 4 states the reporting person transferred 389 shares to a trust for no consideration, serves as trustee or co-trustee, and that immediate family members are sole beneficiaries while the reporting person remains the beneficial owner of securities held by the trusts. The form is signed by Gerard R. Host by POA on 08/19/2025.

Positive

• Disclosure is specific and timely: Transactions are itemized with dates, quantities, and prices.
• Reporting person retains beneficial ownership: Form states the filer remains beneficial owner of shares held by the trusts.

Negative

• Large sale reported: Disposition of 20,970 shares at $38.49 reduced direct holdings.
• Direct ownership decreased: Table shows direct holdings declining to 156,804 shares after transactions.

Insights

Securities Analyst

TL;DR: Insider sold 20,970 shares and moved small blocks into trusts while retaining beneficial ownership; the disclosure is routine and lacks material operational impact.

The sale of 20,970 shares at $38.49 is a tangible, reportable disposition reducing direct holdings. Multiple 389-share transfers to trusts for no consideration are documented as coded G and the filer remains listed as beneficial owner through trustee roles. These entries are precise and comply with Section 16 reporting requirements. There is no financial performance or forward-looking company information in the filing to suggest a material change to Trustmark's business or prospects.

Corporate Governance Expert

TL;DR: Transaction pattern reflects estate/trust transfers and a standard sale by an insider; disclosure appears complete and timely.

The Form 4 documents both a sale and transfers to trusts with explicit statements that the reporting person is trustee or co-trustee and retains beneficial ownership. From a governance perspective, the filing clarifies beneficial ownership and trustee relationships, which supports transparency. The form does not disclose additional corporate governance actions or changes in control.

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^*

HOST GERARD R

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2025

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	08/18/2025		S		20,970	D	$38.49	158,360	D
Common Stock	08/18/2025		G		389	D	$0	157,971	D
Common Stock	08/18/2025		G		389	D	$0	157,582	D
Common Stock	08/18/2025		G		389	D	$0	157,193	D
Common Stock	08/18/2025		G		389	D	$0	156,804	D
Common Stock								389	I(1)	By EHS Trust
Common Stock								389	I(1)	By RGS Trust
Common Stock								389	I(1)	By NKH Trust
Common Stock								389	I(1)	By MRH Trust

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. On August 18, 2025, the reporting person transferred 389 shares of Trustmark Corporation common stock to the named trust for no consideration. The reporting person is the trustee or a co-trustee of the trust and members of his immediate family are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust.

	Gerard R. Host by Granville Tate, Jr., POA	08/19/2025
	** 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 transactions did Gerard R. Host report on Form 4 for TRMK?

The filer reported a sale of 20,970 shares at $38.49 on 08/18/2025 and multiple transfers of 389-share blocks to named trusts on the same date.

Did Gerard R. Host retain beneficial ownership after the transfers?

Yes. The Form 4 states the reporting person is trustee or co-trustee and remains the beneficial owner of the securities held by the trusts.

How many Trustmark shares did the filing show after the transactions?

The table shows a direct beneficial ownership amount of 156,804 shares following the reported transactions.

When was the Form 4 signed and filed?

The form is signed by Gerard R. Host by Granville Tate, Jr., POA on 08/19/2025 reflecting the reported transactions dated 08/18/2025.

What is the nature of the transfers coded 'G' on the Form 4?

The entries coded G indicate transfers to trusts of 389 shares each for no consideration, as explained in the filing.