Enterprise Financial (EFSC) risk chief awarded 1,323 RSUs

Rhea-AI Filing Summary

Enterprise Financial Services Corp executive Bridget Huffman, SEVP and Chief Risk Officer, reported an equity compensation update. On March 4, 2026, she acquired 1,323 Restricted Share Units at a price of $0.00 per unit as a grant or award.

The footnotes state these RSUs were granted under the company’s 2018 Stock Incentive Plan, with each unit representing the right to receive one share of common stock, subject to vesting terms and continued employment. The filing also lists her existing direct holdings of non-qualified stock options, additional RSUs, and common stock.

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^*

Huffman Bridget

(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 Risk Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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								6,849	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)	$39.5							(1)	02/28/2034	Common Stock	3,791		3,791	D
Non Qualified Stock Option (Right to Buy)	$57.17							(2)	03/04/2035	Common Stock	3,322		3,322	D
Non Qualified Stock Option (Right to Buy)	$43.81							02/06/2024	02/25/2031	Common Stock	816		816	D
Non Qualified Stock Option (Right to Buy)	$48.34							02/03/2025	02/24/2032	Common Stock	737		737	D
Non Qualified Stock Option (Right to Buy)	$54.46							02/10/2026	02/28/2033	Common Stock	1,668		1,668	D
Restricted Share Units	(3)							(4)	(4)	Common Stock	724		724	D
Restricted Share Units	(3)							(5)	(5)	Common Stock	1,111		1,111	D
Restricted Share Units	(3)							(6)	(6)	Common Stock	380		380	D
Restricted Share Units	(3)	03/04/2026		A		1,323		(7)	(7)	Common Stock	1,323	$0	1,323	D

Explanation of Responses:

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

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

3. 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.

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

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

6. The RSUs vest at a rate of 33% annually over three years, subject to continued employment of the reporting person. Vesting occurs on the anniversary date of the grant each year, with final vest occurring on April 14, 2026. On each vesting date, for each RSU vesting on such date, the reporting person will receive one share of Common Stock.

7. The RSU's vest 100% in the first quarter of 2029, subject to continued employment by the reporting person.

	/s/ Bridget Huffman	03/06/2026
	** 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 did EFSC executive Bridget Huffman report in this Form 4 filing?

Bridget Huffman reported receiving a grant of 1,323 Restricted Share Units from Enterprise Financial Services Corp. The award is equity compensation, recorded at $0.00 per unit, and adds to her existing holdings of company stock options, RSUs, and common shares.

How many Restricted Share Units did Bridget Huffman receive from EFSC?

She received 1,323 Restricted Share Units from Enterprise Financial Services Corp. Each RSU represents the right to receive one share of common stock, subject to adjustment and vesting conditions described in the grant agreement and accompanying footnotes.

Under what plan were Bridget Huffman’s new EFSC RSUs granted?

The RSUs were granted under Enterprise Financial Services Corp’s 2018 Stock Incentive Plan. The footnotes explain that each unit converts into one share of common stock upon vesting, in accordance with the terms set out in the applicable grant agreement.

What are the vesting and exercisability conditions noted in the EFSC Form 4 footnotes?

Footnotes state certain stock options become exercisable in the first quarter of 2027 and 2028, subject to continued employment. Other RSU awards vest either 100% in specified first-quarter years or 33% annually through April 14, 2026, also contingent on continued employment.

Does this EFSC Form 4 indicate any stock sales by Bridget Huffman?

The summary data show one acquisition of 1,323 RSUs and no reported stock sales. Additional lines list updated holdings of options, RSUs, and common stock, but the transaction summary indicates zero sell transactions and a single acquisition event in this filing.

What types of EFSC securities does Bridget Huffman hold after this Form 4 filing?

After the reported grant, her direct holdings include Restricted Share Units, non-qualified stock options with various exercisability dates, and common stock. The filing provides updated post-transaction balances for each security type as of March 4, 2026, reflecting her current equity interests.