Enterprise Financial director Sandra Van Trease resigns

Q: What board change did ENTERPRISE FINANCIAL SERVICES CORP (EFSC) disclose?

EFSC disclosed that Sandra A. Van Trease resigned from the Boards of Directors of the company and its wholly owned subsidiary, Enterprise Bank & Trust, including all board committees on which she served, effective August 19, 2026.

Q: Did Sandra A. Van Trease resign from Enterprise Financial Services Corp (EFSC) because of a disagreement?

No. The company states that Ms. Van Trease indicated her decision to resign is not the result of any disagreement with management or the Boards of Directors.

Q: What roles did Sandra A. Van Trease hold on EFSC’s board before her resignation?

Before resigning, Ms. Van Trease was chairperson of the Nominating and Governance Committee and a member of the Audit, Human Capital and Compensation, and Executive Committees of Enterprise Financial Services Corp’s Board of Directors.

Q: Which securities of EFSC are listed and where are they traded?

EFSC lists Common Stock, par value $0.01 per share (symbol EFSC) and Depositary Shares, each representing a 1/40th interest in a share of 5.00% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A (symbol EFSCP) on the Nasdaq Global Select Market.

ENTERPRISE FINANCIAL SERVICES CORP (EFSC) reported the resignation of Sandra A. Van Trease from the Boards of Directors of the company and its wholly owned banking subsidiary, Enterprise Bank & Trust, effective August 19, 2026.

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Form Type

8-K

Rhea-AI Filing Summary

ENTERPRISE FINANCIAL SERVICES CORP (EFSC) reported the resignation of Sandra A. Van Trease from the Boards of Directors of the company and its wholly owned banking subsidiary, Enterprise Bank & Trust, effective August 19, 2026. Her resignation also covers all board committees on which she served.

Ms. Van Trease had been chairperson of the Nominating and Governance Committee and a member of the Audit, Human Capital and Compensation, and Executive Committees. She indicated that her decision to resign is not the result of any disagreement with management or the boards.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

Key Figures

Effective resignation date: August 19, 2026 Preferred Stock dividend rate, Series A: 5.00% Depositary share interest in preferred share: 1/40th interest per depositary share

3 metrics

Effective resignation date August 19, 2026 Date on which Sandra A. Van Trease’s resignation from the boards became effective

Preferred Stock dividend rate, Series A 5.00% Fixed rate on Non-Cumulative Perpetual Preferred Stock, Series A represented by depositary shares

Depositary share interest in preferred share 1/40th interest per depositary share Each depositary share represents a 1/40th interest in a share of Series A Preferred Stock

Key Terms

Depositary Shares, Non-Cumulative Perpetual Preferred Stock, Inline XBRL

3 terms

Depositary Shares financial

"Depositary Shares, Each Representing a 1/40th Interest in a Share"

Depositary shares are tradable certificates that represent a fractional piece of a larger security held by a third-party bank, like owning a slice of a single big pie instead of the whole pie. They let companies issue and investors buy smaller, more affordable portions of preferred stock or other instruments; holders usually receive proportional dividends and market pricing similar to ordinary shares, but may have limited voting rights and different liquidity or tax implications, which can affect income and resale value.

Non-Cumulative Perpetual Preferred Stock financial

"5.00% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A"

Non-cumulative perpetual preferred stock is a type of investment that pays a fixed dividend forever, without a set end date. If the company skips some dividends in a year, you don’t get that money later, and it’s gone forever. It matters because investors get regular income but may miss out if the company faces financial trouble.

Inline XBRL technical

"The cover page of this on , formatted in Inline XBRL"

Inline XBRL is a file format for financial filings that embeds machine-readable data tags directly inside the human-readable report, so the same document can be read by people and parsed by software. For investors it makes extracting, comparing and verifying financial numbers faster and more reliable—like a grocery list where each item also has a barcode—reducing manual errors and speeding up analysis.

FAQ

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

What board change did ENTERPRISE FINANCIAL SERVICES CORP (EFSC) disclose?

EFSC disclosed that Sandra A. Van Trease resigned from the Boards of Directors of the company and its wholly owned subsidiary, Enterprise Bank & Trust, including all board committees on which she served, effective August 19, 2026.

Did Sandra A. Van Trease resign from Enterprise Financial Services Corp (EFSC) because of a disagreement?

No. The company states that Ms. Van Trease indicated her decision to resign is not the result of any disagreement with management or the Boards of Directors.

What roles did Sandra A. Van Trease hold on EFSC’s board before her resignation?

Before resigning, Ms. Van Trease was chairperson of the Nominating and Governance Committee and a member of the Audit, Human Capital and Compensation, and Executive Committees of Enterprise Financial Services Corp’s Board of Directors.

When did the resignation of Sandra A. Van Trease from EFSC become effective?

Her resignation from the Boards of Enterprise Financial Services Corp and Enterprise Bank & Trust became effective on August 19, 2026.

Which securities of EFSC are listed and where are they traded?

EFSC lists Common Stock, par value $0.01 per share (symbol EFSC) and Depositary Shares, each representing a 1/40th interest in a share of 5.00% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A (symbol EFSCP) on the Nasdaq Global Select Market.

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Available on EDGAR 08/20/2026 - 04:28 PM Accepted by SEC EDGAR 08/20/2026 - 04:28 PM

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

Date of Report (Date of earliest event reported)

August 20, 2026

ENTERPRISE FINANCIAL SERVICES CORP

(Exact name of registrant as specified in its charter)


Delaware	001-15373	43-1706259
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)


150 N. Meramec Avenue, St. Louis, Missouri (Address of principal executive offices)			63105 (Zip Code)

Registrant's telephone number, including area code

(314) 725-5500


Not applicable
(Former name or former address, if changed since last report)

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, par value $0.01 per share

EFSC

Nasdaq Global Select Market

Depositary Shares, Each Representing a 1/40th Interest in a Share of 5.00% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A

EFSCP

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 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Sandra A. Van Trease notified the Company of her resignation from the Boards of Directors of the Company and its wholly-owned subsidiary, Enterprise Bank & Trust, as well as from any board committees on which she served, effective as of August 19, 2026. Prior to her resignation, Ms. Van Trease served as the chairperson of the Nominating and Governance Committee and was a member of the Audit, Human Capital and Compensation, and Executive Committees of the Company’s Board of Directors. Ms. Van Trease has indicated that her decision to resign is not the result of any disagreement with management or the Boards.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit

Number Description

104 The cover page of this Current Report on Form 8-K, formatted in Inline XBRL.

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 thereunto duly authorized.

ENTERPRISE FINANCIAL SERVICES CORP

Date:

August 20, 2026

By:

/s/ Troy R. Dumlao

Troy R. Dumlao

Executive Vice President and Chief Accounting Officer

Source: View Original Filing on SEC EDGAR

Filing Exhibits & Attachments

4 documents