Nicole M. Iannacone - Jun 30, 2025 Form 4 Insider Report for ENTERPRISE FINANCIAL SERVICES CORP (EFSC)

Role: SEVP, Chief Legal Officer
Signature: /s/ Nicole M. Iannacone
Stock symbol: EFSC
Transactions as of: Jun 30, 2025
Transactions value $: $21,078
Form type: 4
Date filed: 7/9/2025, 09:47 AM
Previous filing: Mar 6, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
IANNACONE NICOLE M	SEVP, Chief Legal Officer	150 N. MERAMEC, CLAYTON	/s/ Nicole M. Iannacone	2025-07-09	0001731826

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	EFSC	Common Stock	Other	$21.1K	+450	+2.45%	$46.84	18.8K	Jun 30, 2025	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	EFSC	Non Qualified Stock Option (Right to Buy)						4.52K	Jun 30, 2025	Common Stock	4.52K	$43.81	Direct
holding	EFSC	Non Qualified Stock Option (Right to Buy)						4.95K	Jun 30, 2025	Common Stock	4.95K	$48.34	Direct	F3
holding	EFSC	Non Qualified Stock Option (Right to Buy)						4.99K	Jun 30, 2025	Common Stock	4.99K	$54.46	Direct	F4
holding	EFSC	Non Qualified Stock Option (Right to Buy)						7.55K	Jun 30, 2025	Common Stock	7.55K	$39.50	Direct	F5
holding	EFSC	Non Qualified Stock Option (Right to Buy)						3.98K	Jun 30, 2025	Common Stock	3.98K	$57.17	Direct	F6
holding	EFSC	Restricted Share Units						1.02K	Jun 30, 2025	Common Stock	1.02K		Direct	F7, F8
holding	EFSC	Restricted Share Units						1.44K	Jun 30, 2025	Common Stock	1.44K		Direct	F7, F9
holding	EFSC	Restricted Share Units						1.33K	Jun 30, 2025	Common Stock	1.33K		Direct	F7, F10
holding	EFSC	Restricted Share Units						6.65K	Jun 30, 2025	Common Stock	6.65K		Direct	F7, F11

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person is voluntarily reporting the acquisition of shares of the Issuer's common stock pursuant to the Issuer's 2018 Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of January 1, 2025, through June 30, 2025. This transaction is exempt under Section 16b-3(c).
F2	In accordance with the terms of the ESPP, the reported shares were acquired based on 85% of the closing price of the Issuer's common stock on June 30, 2025.
F3	This option becomes exercisable in the first quarter of 2025, subject to continued employment by the reporting person.
F4	This option becomes exercisable in the first quarter of 2026, subject to continued employment by the reporting person.
F5	This option becomes exercisable in the first quarter of 2027, subject to continued employment by the reporting person.
F6	The option becomes exercisable in the first quarter of 2028, subject to continued employment by the reporting person.
F7	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.
F8	The RSU vest 100% in the first quarter of 2026, subject to continued employment by the reporting person.
F9	The RSU's vest 100% in the first quarter of 2027, subject to continued employment by the reporting person.
F10	The RSU's vest 100% in the first quarter of 2028, subject to continued employment by the reporting person.
F11	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.