Nicole M. Iannacone - 30 Jun 2026 Form 4 Insider Report for ENTERPRISE FINANCIAL SERVICES CORP (EFSC)

Reporting relationship: SEVP, Chief Legal Officer
Issuer ticker: EFSC
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Jul 2026, 15:56:07 UTC
Prior SEC filing: 06 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Nicole M. Iannacone

Key filing fact

Nicole M. Iannacone filed Form 4 for ENTERPRISE FINANCIAL SERVICES CORP (EFSC) on 08 Jul 2026.

Key facts

This page summarizes Nicole M. Iannacone's Form 4 filing for ENTERPRISE FINANCIAL SERVICES CORP (EFSC).
1 reported transaction and 9 derivative rows are listed below.
Accepted by SEC: 08 Jul 2026, 15:56.

Change

Previous filing in this sequence was filed on 06 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001731826 Primary reporting owner

IANNACONE NICOLE M

Relationship: SEVP, Chief Legal Officer
Address: 150 N. MERAMEC, CLAYTON
Signature: /s/ Nicole M. Iannacone
Signature date: 08 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

EFSC transaction

Common Stock

Other

Transaction value
Shares: +462
Change %: +2%
Price: $45.94^*
Shares after: 23,317
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

EFSC holding Derivative

Non Qualified Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,521
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,521
Exercise price: $43.81

EFSC holding Derivative

Non Qualified Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,946
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,946
Exercise price: $48.34

EFSC holding Derivative

Non Qualified Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,985
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,985
Exercise price: $54.46

EFSC holding Derivative

Non Qualified Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,551
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,551
Exercise price: $39.50
Footnotes: F3

EFSC holding Derivative

Non Qualified Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,976
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,976
Exercise price: $57.17
Footnotes: F4

EFSC holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,443
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,443
Exercise price
Footnotes: F5, F6

EFSC holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,330
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,330
Exercise price
Footnotes: F5, F7

EFSC holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,471
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,471
Exercise price
Footnotes: F5, F8

EFSC holding Derivative

Restricted Share Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,326
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,326
Exercise price
Footnotes: F5, F9

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote 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, 2026, through June 30, 2026. This transaction is exempt under Section 16b-3(c).

Footnote 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 January 2, 2026.

Footnote F3

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

Footnote F4

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

Footnote F5

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.

Footnote F6

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

Footnote F7

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

Footnote F8

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

Footnote F9

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.

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