ICF International Insider Sergio Ostria Reports Ownership Change

TL;DR

**An ICF International insider reported a change in their stock ownership.**

AI Summary

This Form 4 filing indicates that Sergio J. Ostria, a reporting person for ICF International, Inc., had a change in beneficial ownership of securities as of March 20, 2026. While the filing itself doesn't detail the specific transaction (buy or sell), it signals an insider activity that investors should monitor. This matters because insider transactions can sometimes provide clues about the company's future prospects, as insiders often have a deeper understanding of the company's health and outlook.

Why It Matters

Insider transactions can signal confidence or concern about a company's future, influencing investor sentiment and stock price.

Risk Assessment

Risk Level: low — This filing is purely administrative and does not inherently indicate a high risk, but rather a change in insider holdings.

Analyst Insight

A smart investor would monitor subsequent Form 4 filings for Sergio J. Ostria to determine if the change was a buy or sell, and the magnitude of the transaction, as this could provide insight into insider confidence in ICF International, Inc.'s future.

Key Players & Entities

• Ostria Sergio J (person) — Reporting Person
• ICF International, Inc. (company) — Issuer
• 0001652933 (person) — CIK of Ostria Sergio J
• 0001362004 (company) — CIK of ICF International, Inc.

FAQ

Key Financial Figures

• $65.89 — the restricted stock unit exercise was $65.89. 2. Each restricted stock unit is the

Filing Documents

• doc4.html (4)
• doc4.xml (4) — 24KB
• 0001225208-26-004000.txt ( ) — 25KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * Ostria Sergio J (Last) (First) (Middle) 1902 RESTON METRO PLAZA (Street) RESTON VIRGINIA 20190 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol ICF International, Inc. [ ICFI ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Executive Vice President 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common 03/20/2026 M 1,237 A $ 0.0000 (1) 25,807 D Common 03/20/2026 M 887 A $ 0.0000 (1) 26,694 D Common 03/20/2026 M 406 A $ 0.0000 (1) 27,100 D Common 03/20/2026 M 317 A $ 0.0000 (1) 27,417 D Common 03/20/2026 F 106 D $ 65.89 27,311 D Common 03/20/2026 F 136 D $ 65.89 27,175 D Common 03/20/2026 F 296 D $ 65.89 26,879 D Common 03/20/2026 F 412 D $ 65.89 26,467 D Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units (2) 03/20/2026 A 3,766 (3) (3) Common 3,766 $ 0.0000 8,713 D Restricted Stock Units $ 0.0000 (1) 03/20/2026 M 317 (4) (4) Common 317 (1) 2,740 D Restricted Stock Units $ 0.0000 (1) 03/20/2026 M 406 (4) (4) Common 406 (1) 2,334 D Restricted Stock Units $ 0.0000 (1) 03/20/2026 M 887 (5) (5) Common 887 (1) 1,447 D Restricted Stock Units $ 0.0000 (1) 03/20/2026 M 1,237 (6) (6) Common 1,237 (1) 210 D Explanation of Responses: 1. The exercise price for the restricted stock unit exercise was $65.89. 2. Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock. 3. These acquired restricted stock units were granted pursuant to ICF International, Inc.'s 2018 Omnibus Incentive Plan, as amended. These restricted stock units vest over a period of three (3) years, at 25% on each of the first two anniversaries of the grant and 50% on the third anniversary from the day of grant. 4. Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended. 5. Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended. 6. Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended. /s/ James E. Daniel, Attorney-in-fact 03/24/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Inst

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