ICFI

SEC source: 0001225208-26-007533 · doc4.xml · nonDerivative · entry 2

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: Plan reported

Ownership: Indirect · John M. Wasson Remainder Trust 2022

Disclosed balance after: 6,339

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 7, 2026. The spouse of the reporting person serves as trustee of the trust.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.44 to $89.42, inclusive. The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001225208-26-007533 · doc4.xml · nonDerivative · entry 1

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: Plan reported

Ownership: Indirect · John M. Wasson Remainder Trust 2022

Disclosed balance after: 12,154

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on March 7, 2026. The spouse of the reporting person serves as trustee of the trust.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.49 to $89.85, inclusive. The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001225208-26-007331 · doc4.xml · nonDerivative · entry 1

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,467

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.42 to $88.73, inclusive. The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001225208-26-006600 · doc4.xml · nonDerivative · entry 1

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: Plan reported

Ownership: Indirect · John M. Wasson Rev. Trust

Disclosed balance after: 27,511

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 7, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.00 to $80.28, inclusive. The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001225208-26-006395 · doc4.xml · nonDerivative · entry 1

Williams Michelle A · CIK 0001894152 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,498

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006390 · doc4.xml · nonDerivative · entry 1

Crouther Marilyn C · CIK 0001822789 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,859

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006392 · doc4.xml · nonDerivative · entry 1

Mehl Randall · CIK 0001694310 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,851

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006393 · doc4.xml · nonDerivative · entry 1

SALMIRS SCOTT B · CIK 0001618972 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,650

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006394 · doc4.xml · nonDerivative · entry 1

VAN HANDEL MICHAEL J · CIK 0001226090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,531

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006389 · doc4.xml · nonDerivative · entry 1

Angoorly Caroline · CIK 0001348162 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,441

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006391 · doc4.xml · nonDerivative · entry 1

Datar Srikant M. · CIK 0001376436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,998

F1 · price: This award of restricted stock units was granted pursuant to the ICF International, Inc. 2026 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award. These restricted stock units will vest on the one year anniversary of the Date of Grant (July 1).

SEC source: 0001225208-26-006396 · doc4.xml · nonDerivative · entry 1

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,582

F1 · security: The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the ICF International, Inc. 2006 Employee Stock Purchase Plan (the ESPP), for the ESPP purchase period of January 2, 2026 through June 30, 2026. This transaction is also exempt pursuant to Rule 16b-3(c).

F2 · date: The Offering Period (as defined in the ESPP) ended on June 30, 2026, and the shares were acquired on the last business day of the Offering Period.

F3 · price: In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of June 30, 2026, the last trading day prior to the end of the Offering Period.

SEC source: 0001225208-26-005466 · doc4.xml · nonDerivative · entry 2

VAN HANDEL MICHAEL J · CIK 0001226090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,254

F1 · kind: Open market purchase of shares in accordance with Issuer's trading policies

SEC source: 0001225208-26-005466 · doc4.xml · nonDerivative · entry 1

VAN HANDEL MICHAEL J · CIK 0001226090 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,254

F1 · kind: Open market purchase of shares in accordance with Issuer's trading policies

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.45 to $61.65, inclusive. The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001225208-26-003997 · doc4.xml · derivative · entry 10

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,609

Underlying: Common · 240 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · derivative.exercise_price: The exmarket value for the cash-settled restricted stock unit exercise was $66.62.

F13 · price: The market value for the cash-settled restricted stock unit exercise was $66.62.

F12 · derivative.exercise_date: Represents the first vesting anniversary (25%) of acquired cash-settled restricted stock units granted pursuant to the 2010 Omnibus Plan, as amended.

F12 · derivative.expiration_date: Represents the first vesting anniversary (25%) of acquired cash-settled restricted stock units granted pursuant to the 2010 Omnibus Plan, as amended.

SEC source: 0001225208-26-003997 · doc4.xml · derivative · entry 9

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,849

Underlying: Common · 234 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F9 · derivative.exercise_price: The market value for the cash-settled restricted stock unit exercise was $80.08.

F9 · price: The market value for the cash-settled restricted stock unit exercise was $80.08.

F10 · derivative.exercise_date: Represents the third vesting anniversary (50%) of acquired cash-settled restricted stock units granted pursuant to the 2010 Omnibus Plan, as amended.

F10 · derivative.expiration_date: Represents the third vesting anniversary (50%) of acquired cash-settled restricted stock units granted pursuant to the 2010 Omnibus Plan, as amended.

SEC source: 0001225208-26-003997 · doc4.xml · derivative · entry 8

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,083

Underlying: Common · 197 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F8 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F8 · derivative.expiration_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-003997 · doc4.xml · derivative · entry 7

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,280

Underlying: Common · 125 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: The market value for the cash-settled restricted stock unit exercise was $115.32.

F7 · price: The emarket value for the cash-settled restricted stock unit exercise was $115.32.

F6 · derivative.exercise_date: Represents the second vesting anniversary (25%) of acquired cash-settled restricted stock units granted pursuant to the 2010 Omnibus Plan, as amended.

F6 · derivative.expiration_date: Represents the second vesting anniversary (25%) of acquired cash-settled restricted stock units granted pursuant to the 2010 Omnibus Plan, as amended.

SEC source: 0001225208-26-003997 · doc4.xml · derivative · entry 6

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,405

Underlying: Common · 102 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F4 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · derivative.expiration_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-003997 · doc4.xml · derivative · entry 5

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,507

Underlying: Common · 813 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001225208-26-003997 · doc4.xml · nonDerivative · entry 4

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 258

SEC source: 0001225208-26-003997 · doc4.xml · nonDerivative · entry 3

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328

SEC source: 0001225208-26-003997 · doc4.xml · nonDerivative · entry 2

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 365

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-003997 · doc4.xml · nonDerivative · entry 1

Chadha Ranjit S · CIK 0001672529 · VP & Principal Accounting Off.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004000 · doc4.xml · derivative · entry 13

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 210

Underlying: Common · 1,237 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F6 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · derivative.expiration_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004000 · doc4.xml · derivative · entry 12

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,447

Underlying: Common · 887 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F5 · derivative.exercise_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F5 · derivative.expiration_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004000 · doc4.xml · derivative · entry 11

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,334

Underlying: Common · 406 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F4 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · derivative.expiration_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004000 · doc4.xml · derivative · entry 10

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,740

Underlying: Common · 317 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F4 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · derivative.expiration_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004000 · doc4.xml · derivative · entry 9

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,713

Underlying: Common · 3,766 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 8

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,467

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 7

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,879

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 6

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,175

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 5

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,311

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 4

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,417

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 3

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,100

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 2

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,694

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004000 · doc4.xml · nonDerivative · entry 1

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,807

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004001 · doc4.xml · derivative · entry 14

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,134

Underlying: Common · 7,676 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F6 · derivative.exercise_date: Represents the third vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · derivative.expiration_date: Represents the third vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004001 · doc4.xml · derivative · entry 13

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,810

Underlying: Common · 7,312 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F5 · derivative.exercise_date: Represents the first vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F5 · derivative.expiration_date: Represents the first vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004001 · doc4.xml · derivative · entry 12

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,122

Underlying: Common · 3,379 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F4 · derivative.exercise_date: Represents the second vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · derivative.expiration_date: Represents the second vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-004001 · doc4.xml · derivative · entry 11

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,501

Underlying: Common · 36,443 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001225208-26-004001 · doc4.xml · nonDerivative · entry 6

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,303

SEC source: 0001225208-26-004001 · doc4.xml · nonDerivative · entry 5

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,765

SEC source: 0001225208-26-004001 · doc4.xml · nonDerivative · entry 4

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,063

SEC source: 0001225208-26-004001 · doc4.xml · nonDerivative · entry 3

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,587

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004001 · doc4.xml · nonDerivative · entry 2

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,208

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-004001 · doc4.xml · nonDerivative · entry 1

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,896

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

SEC source: 0001225208-26-003999 · doc4.xml · derivative · entry 13

Morgan James C M · CIK 0001554231 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,888

Underlying: Common · 2,833 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F6 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · derivative.expiration_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-003999 · doc4.xml · derivative · entry 12

Morgan James C M · CIK 0001554231 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,721

Underlying: Common · 2,625 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F5 · derivative.exercise_date: Represents the third vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F5 · derivative.expiration_date: Represents the third vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

SEC source: 0001225208-26-003999 · doc4.xml · derivative · entry 11

Morgan James C M · CIK 0001554231 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,346

Underlying: Common · 1,073 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $65.89.

F1 · price: The exercise price for the restricted stock unit exercise was $65.89.

F4 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · derivative.expiration_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.