Nicole M. Iannacone - 04 Mar 2026 Form 4 Insider Report for ENTERPRISE FINANCIAL SERVICES CORP (EFSC)

Signature
/s/ Nicole M. Iannacone
Issuer symbol
EFSC
Transactions as of
04 Mar 2026
Net transactions value
$0
Form type
4
Filing time
06 Mar 2026, 10:10:08 UTC
Previous filing
26 Feb 2026

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 06 Mar 2026 0001731826

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding EFSC Common Stock 22,855 04 Mar 2026 Direct

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
transaction EFSC Restricted Share Units Award +1,471 $0.000000* 1,471 04 Mar 2026 Common Stock 1,471 Direct F3, F7
holding EFSC Non Qualified Stock Option (Right to Buy) 4,521 04 Mar 2026 Common Stock 4,521 $43.81 Direct
holding EFSC Non Qualified Stock Option (Right to Buy) 4,946 04 Mar 2026 Common Stock 4,946 $48.34 Direct
holding EFSC Non Qualified Stock Option (Right to Buy) 4,985 04 Mar 2026 Common Stock 4,985 $54.46 Direct
holding EFSC Non Qualified Stock Option (Right to Buy) 7,551 04 Mar 2026 Common Stock 7,551 $39.50 Direct F1
holding EFSC Non Qualified Stock Option (Right to Buy) 3,976 04 Mar 2026 Common Stock 3,976 $57.17 Direct F2
holding EFSC Restricted Share Units 1,443 04 Mar 2026 Common Stock 1,443 Direct F3, F4
holding EFSC Restricted Share Units 1,330 04 Mar 2026 Common Stock 1,330 Direct F3, F5
holding EFSC Restricted Share Units 3,326 04 Mar 2026 Common Stock 3,326 Direct F3, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option becomes exercisable in the first quarter of 2027, subject to continued employment by the reporting person.
F2 The option becomes exercisable in the first quarter of 2028, subject to continued employment by the reporting person.
F3 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.
F4 The RSU's vest 100% in the first quarter of 2027, subject to continued employment by the reporting person.
F5 The RSU's vest 100% in the first quarter of 2028, subject to continued employment by the reporting person.
F6 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.
F7 The RSU's vest 100% in the first quarter of 2029, subject to continued employment by the reporting person.