# EDGAR Filing Document

**Accession Number:** 0001362004
**File Stem:** 0001140361-26-016109
**Filing Date:** 2026-4
**Character Count:** 2257
**Document Hash:** a7ab1c428d72b4365e1efaea9af0a444
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-016109.hdr.sgml**: 20260422

**ACCESSION NUMBER**: 0001140361-26-016109

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260422

**DATE AS OF CHANGE**: 20260422

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ICF International, Inc.
- **CENTRAL INDEX KEY:** 0001362004
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 223661438
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-33045
- **FILM NUMBER:** 26883825

**BUSINESS ADDRESS:**
- **STREET 1:** 1902 RESTON METRO PLAZA
- **CITY:** RESTON
- **STATE:** VA
- **ZIP:** 20190
- **BUSINESS PHONE:** (703) 934-3000

**MAIL ADDRESS:**
- **STREET 1:** 1902 RESTON METRO PLAZA
- **CITY:** RESTON
- **STATE:** VA
- **ZIP:** 20190

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### <br>

### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of

#### the Securities Exchange Act of 1934

#### (Amendment No.)

#### <br>
Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

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| | |
|:---|:---|
| ☐ | Preliminary Proxy Statement |
| ☐ | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |
| ☐ | Definitive Proxy Statement |
| ☒ | Definitive Additional Materials |
| ☐ | Soliciting Material under §240.14a-12 |
| **ICF INTERNATIONAL, INC.**<br> **(Name of Registrant as Specified In Its Charter)** | **ICF INTERNATIONAL, INC.**<br> **(Name of Registrant as Specified In Its Charter)** |
| **(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** | **(Name of Person(s) Filing Proxy Statement, if other than the Registrant)** |

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Payment of Filing Fee (Check all boxes that apply):

☒ No fee required <br> ☐ Fee paid previously with preliminary materials <br> ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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