0001025835-26-000130.txt : 20260708 0001025835-26-000130.hdr.sgml : 20260708 20260708155607 ACCESSION NUMBER: 0001025835-26-000130 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260630 FILED AS OF DATE: 20260708 DATE AS OF CHANGE: 20260708 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: IANNACONE NICOLE M CENTRAL INDEX KEY: 0001731826 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-15373 FILM NUMBER: 261162362 MAIL ADDRESS: STREET 1: 150 N. MERAMEC CITY: ST. LOUIS STATE: MO ZIP: 63105 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ENTERPRISE FINANCIAL SERVICES CORP CENTRAL INDEX KEY: 0001025835 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] ORGANIZATION NAME: 02 Finance EIN: 431706259 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 150 NORTH MERAMEC STREET 2: 150 NORTH MERAMEC CITY: CLAYTON STATE: MO ZIP: 63105 BUSINESS PHONE: 3147255500 MAIL ADDRESS: STREET 1: 150 NORTH MERAMEC STREET 2: 150 NORTH MERAMEC CITY: CLAYTON STATE: MO ZIP: 63105 FORMER COMPANY: FORMER CONFORMED NAME: ENTERBANK HOLDINGS INC DATE OF NAME CHANGE: 19961024 4 1 form4.xml PRIMARY DOCUMENT X0609 4 2026-06-30 0001025835 ENTERPRISE FINANCIAL SERVICES CORP EFSC 0001731826 IANNACONE NICOLE M false 150 N. MERAMEC CLAYTON MO 63105 1 SEVP, Chief Legal Officer 0 Common Stock 2026-06-30 5 J 0 E 462 45.94 A 23317 D Non Qualified Stock Option (Right to Buy) 43.81 2024-02-06 2031-02-25 Common Stock 4521 4521 D Non Qualified Stock Option (Right to Buy) 48.34 2025-02-03 2032-02-24 Common Stock 4946 4946 D Non Qualified Stock Option (Right to Buy) 54.46 2026-02-10 2033-02-28 Common Stock 4985 4985 D Non Qualified Stock Option (Right to Buy) 39.50 2034-02-28 Common Stock 7551 7551 D Non Qualified Stock Option (Right to Buy) 57.17 2035-03-04 Common Stock 3976 3976 D Restricted Share Units Common Stock 1443 1443 D Restricted Share Units Common Stock 1330 1330 D Restricted Share Units Common Stock 1471 1471 D Restricted Share Units Common Stock 3326 3326 D 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). 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. This option becomes exercisable in the first quarter of 2027, subject to continued employment by the reporting person. The option becomes exercisable in the first quarter of 2028, subject to continued employment by the reporting person. 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. The RSU's vest 100% in the first quarter of 2027, subject to continued employment by the reporting person. The RSU's vest 100% in the first quarter of 2028, subject to continued employment by the reporting person. The RSU's vest 100% in the first quarter of 2029, subject to continued employment by the reporting person. 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/ Nicole M. Iannacone 2026-07-08