EFSC (EFSC) CFO Keene Turner exercises RSUs and withholds shares for taxes

Rhea-AI Filing Summary

ENTERPRISE FINANCIAL SERVICES CORP executive Keene S. Turner reported equity award activity and related tax withholding. On February 24, 2026, he acquired 4,989 shares of common stock through the exercise of 4,989 restricted share units at a stated price of $0 per share.

To cover taxes on this issuance, 2,169 common shares were withheld at $57.57 per share, as noted in the filing. After these transactions, Turner directly owned 64,319 shares of common stock, with additional indirect holdings through a 401(k) plan and separate depository shares.

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

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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^*

KEENE S TURNER

(Last) (First) (Middle)

150 N. MERAMEC

(Street)

CLAYTON MO 63105

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ENTERPRISE FINANCIAL SERVICES CORP [ EFSC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SEVP, Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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	02/24/2026		M		4,989	A	$0	66,488	D
Common Stock	02/24/2026		F		2,169(1)	D	$57.57	64,319	D
Common Stock								1,683	I	401(k) Plan(2)
Depository Shares(3)								2,000	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
Non Qualified Stock Option (Right to Buy)	$43.81							02/06/2024	02/25/2031	Common Stock	9,042		9,042	D
Non Qualified Stock Option (Right to Buy)	$48.34							02/03/2025	02/24/2032	Common Stock	9,934		9,934	D
Non Qualified Stock Option (Right to Buy)	$54.46							02/10/2026	02/28/2033	Common Stock	9,610		9,610	D
Non Qualified Stock Option (Right to Buy)	$39.5							(4)	02/28/2034	Common Stock	15,163		15,163	D
Non Qualified Stock Option (Right to Buy)	$57.17							(5)	03/04/2035	Common Stock	7,984		7,984	D
Restricted Share Units	(6)							(7)	(7)	Common Stock	2,897		2,897	D
Restricted Share Units	(6)							(8)	(8)	Common Stock	2,670		2,670	D
Restricted Share Units	(6)	02/24/2026		M			4,989	(9)	(9)	Common Stock	4,989	$0	4,989	D

Explanation of Responses:

1. Withholding of stock to satisfy tax withholding obligation on issuance of common stock.

2. These securities are represented by units held in a unitized stock fund through the Company's 401(k) Plan. The unitized stock fund consists of cash and common stock in amounts that vary from time to time.

3. Each Depositary Share represents a 1/40th interest in a share of the Issuer's 5.00% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock. Depositary Shares were purchased in an underwritten public offering.

4. This option becomes exercisable in the first quarter of 2027, subject to continued employment by the reporting person.

5. The option becomes exercisable in the first quarter of 2028, subject to continued employment by the reporting person.

6. The RSU's were granted pursuant to the Company's 2018 Stock Incentive Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Grant Agreement.

7. The RSU's vest 100% in the first quarter of 2027, subject to continued employment by the reporting person.

8. The RSU's vest 100% in the first quarter of 2028, subject to continued employment by the reporting person.

9. The RSUs vest over six years in one-third installments on each of February 24, 2024, February 24, 2026, and February 24, 2028. Vesting is subject to continued employment of the reporting person. On each vesting date, for each RSU vesting on such date, the reporting person will receive one share of Common Stock.

	/s/ Keene S. Turner	02/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did EFSC executive Keene S. Turner report on February 24, 2026?

Keene S. Turner reported exercising 4,989 restricted share units into 4,989 shares of common stock at a stated price of $0. The filing also shows a related tax-withholding disposition of 2,169 common shares at $57.57 per share to satisfy tax obligations on the equity award.

Did Keene S. Turner sell Enterprise Financial Services (EFSC) shares in the open market?

The filing shows no open-market sale. Instead, 2,169 common shares were disposed of under code F at $57.57 per share, representing stock withheld to pay tax obligations on the vesting and issuance of equity awards, rather than a discretionary market sale by the executive.

How many EFSC common shares does Keene S. Turner own after these Form 4 transactions?

After the reported activity, Turner directly owns 64,319 shares of Enterprise Financial Services common stock. The filing also shows 1,683 additional common shares held indirectly through a 401(k) plan, plus separate holdings of 2,000 depository shares tied to the issuer’s preferred stock.

What are the key details of the tax-withholding transaction reported by EFSC’s CFO?

The filing lists a disposition of 2,169 common shares under transaction code F at $57.57 per share. A footnote explains this reflects withholding of stock to satisfy the tax withholding obligation upon issuance of common shares from vested restricted share units granted to the executive.

What types of EFSC equity awards and holdings does Keene S. Turner report owning?

Turner reports common stock, restricted share units and multiple non-qualified stock options with various post-transaction balances. He also holds depository shares, each representing a 1/40th interest in 5.00% Series A preferred stock, and common shares through a unitized stock fund in the company’s 401(k) plan.