Trustmark (TRMK) furnishes Q4 2025 investor presentation (8-K)

Trustmark Corporation (TRMK) furnished an investor slide presentation as Exhibit 99.1, dated November 12, 2025.

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Form Type

8-K

Rhea-AI Filing Summary

Trustmark Corporation (TRMK) furnished an investor slide presentation as Exhibit 99.1, dated November 12, 2025. Management plans to use these materials during meetings with investors, analysts, and other parties throughout the fourth quarter of 2025. The materials were provided under Item 7.01 (Regulation FD Disclosure) and, consistent with General Instruction B.2, are deemed furnished—not filed—are not subject to Section 18 liability, and are not incorporated by reference unless specifically referenced.

8-K Event Classification

Item 7.01 — Regulation FD Disclosure

1 item

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Trustmark (TRMK) announce in this 8-K?

The company furnished an investor slide presentation (Exhibit 99.1) dated November 12, 2025.

How will the Exhibit 99.1 materials be used by TRMK?

Management will use them in meetings with investors, analysts, and other parties during Q4 2025.

Is the investor presentation considered filed with the SEC?

No. It is furnished under Item 7.01 and, per General Instruction B.2, not deemed filed.

Does the furnished presentation carry Section 18 liability?

No. The disclosure states it is not subject to Section 18 of the Exchange Act.

Can Exhibit 99.1 be incorporated by reference into other filings?

Only if expressly set forth by specific reference in a future filing.

What is Trustmark’s trading symbol and exchange?

TRMK on the Nasdaq Global Select Market.

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Accepted by SEC EDGAR 11/12/2025 - 09:08 PM EST

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

November 12, 2025

Date of Report (Date of earliest event reported)

LOGO

TRUSTMARK CORPORATION

(Exact name of registrant as specified in its charter)

Mississippi

000-03683

64-0471500

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)


248 East Capitol Street, Jackson, Mississippi		39201
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (601) 208-5111

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered Pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, no par value	TRMK	Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01.

Regulation FD Disclosure.

The attached presentation materials contain updated information that the members of Trustmark Corporation (the “Company”) management will use during visits with investors, analysts, and other interested parties to assist their understanding of the Company from time to time throughout the fourth quarter of 2025.

As provided in General Instruction B.2 to Form 8-K, the information furnished in Item 7.01 and Exhibit 99.1 of this Current Report on Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and such information shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits


Exhibit Number		Description of Exhibits

99.1		Investor slide presentation, dated November 12, 2025

104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.