Douglas Bauche of Enterprise Financial (EFSC) exercises RSUs and withholds shares

Rhea-AI Filing Summary

Enterprise Financial Services Corp executive Douglas Bauche, SEVP and Chief Banking Officer, reported equity award activity. On February 24, 2026, he exercised 3,326 Restricted Share Units, receiving the same number of common shares at a stated price of $0.00 per share.

To cover tax obligations on this issuance, 1,466 common shares were disposed of at $57.57 per share through withholding rather than an open-market sale, as described in the footnote. Following these transactions, he directly held 28,421 shares of common stock, along with multiple non-qualified stock options and additional Restricted Share Units that vest in future years.

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^*

BAUCHE DOUGLAS

(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 Banking 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		3,326	A	$0	29,887	D
Common Stock	02/24/2026		F		1,466(1)	D	$57.57	28,421	D
Common Stock								3,282	I	401(K) Plan(2)

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	4,730		4,730	D
Non Qualified Stock Option (Right to Buy)	$48.34							02/03/2025	02/24/2032	Common Stock	5,081		5,081	D
Non Qualified Stock Option (Right to Buy)	$54.46							02/10/2026	02/28/2033	Common Stock	5,105		5,105	D
Non Qualified Stock Option (Right to Buy)	$39.5							(3)	02/28/2034	Common Stock	7,786		7,786	D
Non Qualified Stock Option (Right to Buy)	$57.17							(4)	03/04/2035	Common Stock	4,100		4,100	D
Restricted Share Units	(5)							(6)	(6)	Common Stock	1,487		1,487	D
Restricted Share Units	(5)							(7)	(7)	Common Stock	1,371		1,371	D
Restricted Share Units	(5)	02/24/2026		M			3,326	(8)	(8)	Common Stock	3,326	$0	3,326	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. This option becomes exercisable in the first quarter of 2027, subject to continued employment by the reporting person.

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

5. 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.

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

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

8. 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/ Douglas Bauche	02/26/2026
	** 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).
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FAQ

What did EFSC executive Douglas Bauche report in this Form 4?

Douglas Bauche reported equity award activity, including exercising 3,326 Restricted Share Units into common stock and a related tax-withholding share disposition. The filing also updates his remaining option and Restricted Share Unit holdings and his post-transaction common stock ownership balance.

How many EFSC shares did Douglas Bauche acquire through award vesting?

Douglas Bauche acquired 3,326 shares of Enterprise Financial common stock when an equal number of Restricted Share Units vested and converted into shares at a stated price of $0.00 per share, reflecting equity compensation rather than an open-market stock purchase.

Why were 1,466 EFSC shares disposed of in Douglas Bauche’s Form 4?

The 1,466 shares were withheld to satisfy tax withholding obligations on the issuance of common stock. This disposition, at $57.57 per share, represents a tax-withholding mechanism, not a discretionary open-market sale of Enterprise Financial Services Corp shares.

What is Douglas Bauche’s EFSC common stock ownership after these transactions?

After the reported activity, Douglas Bauche directly held 28,421 shares of Enterprise Financial common stock. He also has indirect exposure through a 401(k) unitized stock fund and holds additional non-qualified stock options and Restricted Share Units scheduled to vest in future periods.

How are EFSC shares held in the 401(k) Plan reported for Douglas Bauche?

Shares are represented by units in a unitized stock fund within the company’s 401(k) Plan, consisting of cash and common stock. Bauche’s Form 4 shows 3,282 common stock units held indirectly through this plan, with amounts varying over time as fund composition changes.