ICFI

SEC source: 0001225208-25-006333 · doc4.xml · nonDerivative · entry 1

Wasson John · CIK 0001376437 · Director · CEO & President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,544

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, 2025 through June 30, 2025. 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, 2025, 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, 2025, the last trading day prior to the end of the Offering Period.

SEC source: 0001225208-25-005827 · doc4.xml · nonDerivative · entry 2

Mehl Randall · CIK 0001694310 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,754

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

SEC source: 0001225208-25-005827 · doc4.xml · nonDerivative · entry 1

Mehl Randall · CIK 0001694310 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,754

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

SEC source: 0001225208-25-005823 · doc4.xml · nonDerivative · entry 1

SALMIRS SCOTT B · CIK 0001618972 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,653

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

SEC source: 0001225208-25-005030 · doc4.xml · nonDerivative · entry 2

Morgan James C M · CIK 0001554231 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,204

SEC source: 0001225208-25-005030 · doc4.xml · nonDerivative · entry 1

Morgan James C M · CIK 0001554231 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,704

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.82 to $87.23, 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: 0001225208-25-003963 · doc4.xml · nonDerivative · entry 1

Angoorly Caroline · CIK 0001348162 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 444

F1 · shares: This award of restricted stock units was granted pursuant to ICF International, Inc.'s Amended and Restated 2018 Omnibus Incentive Plan, and represents the Reporting Person's annual equity award, pro-rated to Reporting Person's date of appointment. These restricted stock units normally vest in equal quarterly increments (Sept. 1, Dec. 1, Mar. 1 and June 1), but this pro-rated amount will only have one vesting on June 1.

SEC source: 0001225208-25-003613 · 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: 6

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.

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

F8 · 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.

F8 · 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: 0001225208-25-003613 · 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: 131

Underlying: Common · 117 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 exercise price for the cash-settled restricted stock unit exercise was $84.83.

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: 0001225208-25-003613 · doc4.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 248

Underlying: Common · 103 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.

F3 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $84.83.

F3 · price: The exercise price for the restricted stock unit exercise was $84.83.

F4 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · 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: 0001225208-25-003613 · doc4.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,694

Underlying: Common · 785 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock.

F2 · 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.

F2 · 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: 0001225208-25-003613 · 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: 66

SEC source: 0001225208-25-003613 · 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: 103

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.

SEC source: 0001225208-25-003612 · doc4.xml · derivative · entry 13

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,057

Underlying: Common · 1,028 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.

F3 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $84.83.

F3 · price: The exercise price for the restricted stock unit exercise was $84.83.

F6 · derivative.exercise_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · 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: 0001225208-25-003612 · doc4.xml · derivative · entry 12

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,085

Underlying: Common · 444 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.

F3 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $84.83.

F3 · price: The exercise price for the restricted stock unit exercise was $84.83.

F5 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F5 · 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: 0001225208-25-003612 · doc4.xml · derivative · entry 11

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,529

Underlying: Common · 407 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.

F3 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $84.83.

F3 · price: The exercise price for the restricted stock unit exercise was $84.83.

F4 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · 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: 0001225208-25-003612 · doc4.xml · derivative · entry 10

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,936

Underlying: Common · 318 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.

F3 · derivative.exercise_price: The exercise price for the restricted stock unit exercise was $84.83.

F3 · price: The exercise price for the restricted stock unit exercise was $84.83.

F4 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · 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: 0001225208-25-003612 · doc4.xml · derivative · entry 9

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,947

Underlying: Common · 4,947 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit is the economic equivalent of one share of ICF International, Inc.'s Common Stock.

F2 · 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.

F2 · 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: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 8

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,325

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 7

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,668

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 6

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,816

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 5

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,952

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 4

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,058

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.

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 3

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,740

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.

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 2

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,333

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.

SEC source: 0001225208-25-003612 · doc4.xml · nonDerivative · entry 1

Ostria Sergio J · CIK 0001652933 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,889

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.

SEC source: 0001225208-25-003611 · doc4.xml · derivative · entry 10

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,080

Underlying: Common · 670 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F6 · derivative.exercise_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · 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: 0001225208-25-003611 · doc4.xml · derivative · entry 9

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,750

Underlying: Common · 527 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F5 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F5 · 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: 0001225208-25-003611 · doc4.xml · derivative · entry 8

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,277

Underlying: Common · 435 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F4 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · 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: 0001225208-25-003611 · doc4.xml · derivative · entry 7

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,712

Underlying: Common · 6,926 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: 0001225208-25-003611 · doc4.xml · nonDerivative · entry 6

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,043

SEC source: 0001225208-25-003611 · doc4.xml · nonDerivative · entry 5

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,252

SEC source: 0001225208-25-003611 · doc4.xml · nonDerivative · entry 4

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,417

SEC source: 0001225208-25-003611 · doc4.xml · nonDerivative · entry 3

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,553

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 $84.83.

SEC source: 0001225208-25-003611 · doc4.xml · nonDerivative · entry 2

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,118

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 $84.83.

SEC source: 0001225208-25-003611 · doc4.xml · nonDerivative · entry 1

Choate Anne F · CIK 0001932534 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,591

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 $84.83.

SEC source: 0001225208-25-003610 · doc4.xml · derivative · entry 13

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,888

Underlying: Common · 1,586 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F6 · derivative.exercise_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · 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: 0001225208-25-003610 · doc4.xml · derivative · entry 12

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,474

Underlying: Common · 1,128 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F6 · derivative.exercise_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · 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: 0001225208-25-003610 · doc4.xml · derivative · entry 11

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,602

Underlying: Common · 685 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F5 · derivative.exercise_date: Represents the 2nd vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F5 · 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: 0001225208-25-003610 · doc4.xml · derivative · entry 10

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,287

Underlying: Common · 628 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F4 · derivative.exercise_date: Represents the 1st vesting anniversary (25%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F4 · 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: 0001225208-25-003610 · doc4.xml · derivative · entry 9

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,915

Underlying: Common · 4,636 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.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

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: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 8

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,539

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 7

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,017

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 6

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,357

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 5

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,564

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 4

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,754

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 $84.83.

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 3

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,126

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 $84.83.

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 2

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,441

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 $84.83.

SEC source: 0001225208-25-003610 · doc4.xml · nonDerivative · entry 1

Broadus Barry M · CIK 0001912459 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,313

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 $84.83.

SEC source: 0001225208-25-003609 · 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: 20,343

Underlying: Common · 2,692 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 $84.83.

F1 · price: The exercise price for the restricted stock unit exercise was $84.83.

F6 · derivative.exercise_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.

F6 · derivative.expiration_date: Represents the 3rd vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended.